Which airport is the most popular layover for flights between Ottawa and Houston George Bush Intcntl Airport?

Chicago (ORD) was the most common stop: 57% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest travel time from Ottawa to Houston George Bush Intcntl Airport?

Flights connecting via Washington, D.C. (DCA) have the shortest average one-way travel time: 5h 53m.

What is the cheapest airline that flies from Ottawa to Houston George Bush Intcntl?

WestJet and Air Canada are the most popular carriers operating from Ottawa to Houston George Bush Intcntl

Which airlines fly to Houston George Bush Intcntl Airport?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from Ottawa according to our data. Air Canada is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Houston George Bush Intcntl Airport. Keep in mind that there are 3 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Ottawa to Houston George Bush Intcntl Airport?

Washington, D.C. (DCA) has the shortest average layover time for this route: 0h 55m.

Which layover airport offers the lowest fares from Ottawa to Houston George Bush Intcntl Airport?

Flights via Chicago (ORD) offer the lowest average round-trip price of C$ 642.

When did momondo last update prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport?

Prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport refresh daily.

How many operators does momondo search for flights from Ottawa Airport to Houston George Bush Intcntl Airport?

As of September 2026, there are 2 operators available to choose from for flights from Ottawa Airport to Houston George Bush Intcntl Airport.

How old do you have to be to fly from Ottawa Airport to Houston George Bush Intcntl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston George Bush Intcntl Airport.

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 321 Cheap Flights from Ottawa to Houston George Bush Intcntl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:15 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

31h 25m1 stop Calgary

2:50 p.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

C$ 509WestJet

Wed, 7 Oct - Wed, 14 Oct

4:15 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

31h 25m1 stop Calgary

2:50 p.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

25h 25m1 stop Calgary

C$ 513WestJet

Sat, 10 Oct - Sat, 17 Oct

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

8:21 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

19h 59m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

C$ 521Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

6:25 p.m. - 2:00 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

20h 35m2 stops Toronto Pearson Intl Calgary

8:00 a.m. - 1:00 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

16h 00m1 stop Calgary

C$ 521WestJet

Sat, 24 Oct - Sat, 31 Oct

9:10 a.m. - 5:08 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 58m1 stop Toronto Pearson Intl

12:00 p.m. - 6:45 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

5h 45m1 stop Toronto Pearson Intl

C$ 712Air Canada

Fri, 12 Feb - Sat, 20 Feb

10:05 a.m. - 5:08 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 03m1 stop Toronto Pearson Intl

11:55 a.m. - 7:45 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

6h 50m1 stop Toronto Pearson Intl

C$ 741Air Canada

Thu, 19 Nov - Sun, 22 Nov

2:00 p.m. - 7:33 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 33m1 stop Washington, D.C. Dulles Intl

7:20 a.m. - 9:56 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

13h 36m2 stops Chicago O'Hare Intl Newark

C$ 826United Airlines

Fri, 12 Feb - Sat, 20 Feb

2:52 p.m. - 10:45 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 53m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

6:25 p.m. - 1:11 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

17h 46m2 stops Fort Lauderdale Newark

C$ 851United Airlines

Sat, 24 Oct - Mon, 26 Oct

3:10 p.m. - 8:53 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 43m1 stop Newark

7:21 a.m. - 5:16 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

8h 55m1 stop Chicago O'Hare Intl

C$ 863United Airlines

Tue, 6 Oct - Sat, 10 Oct

9:10 a.m. - 5:08 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 58m1 stop Toronto Pearson Intl

3:30 p.m. - 8:15 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

15h 45m1 stop Toronto Pearson Intl

C$ 1,005Air Canada

Sat, 27 Feb - Sun, 7 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

2:50 p.m. - 11:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

19h 45m2 stops Calgary Winnipeg

C$ 778WestJet

Tue, 15 Sep - Sat, 19 Sep

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

2:50 p.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

C$ 788WestJet

Tue, 15 Sep - Sat, 19 Sep

6:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

20h 40m2 stops Edmonton Calgary

2:50 p.m. - 11:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

19h 45m2 stops Calgary Winnipeg

C$ 948WestJet

Tue, 15 Sep - Sat, 19 Sep

10:00 a.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

28h 55m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Calgary

2:50 p.m. - 3:12 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 22m2 stops Calgary Winnipeg

C$ 994Multiple Airlines

Tue, 15 Sep - Sat, 19 Sep

10:00 a.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

28h 55m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Calgary

2:50 p.m. - 3:12 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 22m3 stops Calgary Edmonton Winnipeg

C$ 1,012Multiple Airlines

Tue, 15 Sep - Sat, 19 Sep

7:00 a.m. - 7:26 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

13h 26m2 stops Orlando Raleigh-Durham

8:25 a.m. - 3:07 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 42m1 stop Fort Lauderdale

C$ 1,014Multiple Airlines

Fri, 11 Sep - Sun, 13 Sep

7:00 a.m. - 9:25 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

27h 25m1 stop Orlando

8:25 a.m. - 3:07 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 42m1 stop Fort Lauderdale

C$ 1,170Multiple Airlines

Fri, 11 Sep - Sun, 13 Sep

7:00 a.m. - 10:26 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

28h 26m3 stops Toronto Pearson Intl Cancun Guadalajara Miguel Hidal

8:55 p.m. - 12:25 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 30m3 stops Mexico City Benito Juarez Cancun Toronto Pearson Intl

C$ 1,426Multiple Airlines

Fri, 11 Sep - Sun, 13 Sep

6:55 a.m. - 10:05 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 10m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

11:26 a.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

17h 09m2 stops Detroit Metropolitan Wayne County Calgary

C$ 1,472WestJet

Fri, 11 Sep - Sun, 13 Sep

6:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

20h 40m2 stops Edmonton Calgary

8:55 p.m. - 12:25 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 30m3 stops Mexico City Benito Juarez Cancun Toronto Pearson Intl

C$ 1,680Multiple Airlines

Fri, 11 Sep - Sun, 13 Sep

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WestJet flights from Ottawa to Houston George Bush Intcntl Airport

Our best WestJet deals on Ottawa to Houston George Bush Intcntl Airport flight tickets

WestJet

7 Oct

YOW4:15 p.m.Ottawa

31h 25m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

14 Oct

IAH2:50 p.m.Houston George Bush Intcntl

13h 45m

1 stop

YOW5:35 a.m.Ottawa

C$ 509

WestJet

10 Oct

YOW4:15 p.m.Ottawa

31h 25m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

17 Oct

IAH2:50 p.m.Houston George Bush Intcntl

25h 25m

1 stop

YOW5:15 p.m.Ottawa

C$ 513

WestJet

5 Oct

YOW8:15 p.m.Ottawa

18h 40m

1 stop

IAH1:55 p.m.Houston George Bush Intcntl

30 Jan

IAH8:00 a.m.Houston George Bush Intcntl

15h 01m

1 stop

YOW12:01 a.m.Ottawa

C$ 524

Air Canada flights from Ottawa to Houston George Bush Intcntl Airport

Our best Air Canada deals on Ottawa to Houston George Bush Intcntl Airport flight tickets

Air Canada

12 Feb

YOW9:10 a.m.Ottawa

8h 58m

1 stop

IAH5:08 p.m.Houston George Bush Intcntl

20 Feb

IAH12:00 p.m.Houston George Bush Intcntl

5h 45m

1 stop

YOW6:45 p.m.Ottawa

C$ 712

Air Canada

19 Nov

YOW10:05 a.m.Ottawa

8h 03m

1 stop

IAH5:08 p.m.Houston George Bush Intcntl

22 Nov

IAH11:55 a.m.Houston George Bush Intcntl

6h 50m

1 stop

YOW7:45 p.m.Ottawa

C$ 741

momondo Fare Finder

Use the filters below to find and compare flights from Ottawa to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 7/10

4:15 p.m.-10:40 p.m.

1 stop31h 25m

Houston George Bush Intcntl

Wed 14/10

2:50 p.m.-5:35 a.m.

1 stop13h 45m

C$ 509

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 10/10

4:15 p.m.-10:40 p.m.

1 stop31h 25m

Houston George Bush Intcntl

Sat 17/10

2:50 p.m.-5:15 p.m.

1 stop25h 25m

C$ 513

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 20/10

8:15 p.m.-1:55 p.m.

1 stop18h 40m

Houston George Bush Intcntl

Tue 27/10

8:21 p.m.-5:20 p.m.

2 stops19h 59m

C$ 521

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 24/10

6:25 p.m.-2:00 p.m.

2 stops20h 35m

Houston George Bush Intcntl

Sat 31/10

8:00 a.m.-1:00 a.m.

1 stop16h 00m

C$ 521

Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 12/2

9:10 a.m.-5:08 p.m.

1 stop8h 58m

Houston George Bush Intcntl

Sat 20/2

12:00 p.m.-6:45 p.m.

1 stop5h 45m

C$ 712

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 19/11

10:05 a.m.-5:08 p.m.

1 stop8h 03m

Houston George Bush Intcntl

Sun 22/11

11:55 a.m.-7:45 p.m.

1 stop6h 50m

C$ 741

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 12/2

2:00 p.m.-7:33 p.m.

1 stop6h 33m

Houston George Bush Intcntl

Sat 20/2

7:20 a.m.-9:56 p.m.

2 stops13h 36m

C$ 826

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 24/10

2:52 p.m.-10:45 p.m.

2 stops8h 53m

Houston George Bush Intcntl

Mon 26/10

6:25 p.m.-1:11 p.m.

2 stops17h 46m

C$ 851

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 6/10

3:10 p.m.-8:53 p.m.

1 stop6h 43m

Houston George Bush Intcntl

Sat 10/10

7:21 a.m.-5:16 p.m.

1 stop8h 55m

C$ 863

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 27/2

9:10 a.m.-5:08 p.m.

1 stop8h 58m

Houston George Bush Intcntl

Sun 7/3

3:30 p.m.-8:15 a.m.

1 stop15h 45m

C$ 1,005

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Ottawa and Houston George Bush Intcntl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 563 to C$ 1,007.
The lowest price recently found on this route was C$ 509.

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

If you don’t want to visit Houston George Bush Intcntl Airport in October, then you should wait until May to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 808.

Can stopping save me money on Ottawa to Houston George Bush Intcntl Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a Ottawa to Houston George Bush Intcntl Airport flight.

When to book flights from Ottawa to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Houston George Bush Intcntl Airport (YOW to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Houston George Bush Intcntl Airport

Best price found	C$ 321
Fastest flight time	6h 49m
Direct flights	None

The best one-way flight to Houston George Bush Intcntl Airport from Ottawa in the past 72 hours is C$ 321. The best round-trip flight deal from Ottawa to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is C$ 509.

The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 6h 49m

There are no direct flights from Ottawa to Houston George Bush Intcntl Airport. There are no popular flight routes from Ottawa to Houston George Bush Intcntl Airport.

Search flight deals

Frequently asked questions about flying from Ottawa to Houston George Bush Intcntl Airport

How far is Ottawa to Houston George Bush Intcntl by plane?
The distance between Ottawa and Houston George Bush Intcntl is about 2420.9 km. Typically, this will take 6h 49m by plane in normal conditions.
When did momondo last update prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport?
Prices for flights from Ottawa Airport to Houston George Bush Intcntl Airport refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Houston George Bush Intcntl Airport?
As of September 2026, there are 2 operators available to choose from for flights from Ottawa Airport to Houston George Bush Intcntl Airport.
How old do you have to be to fly from Ottawa Airport to Houston George Bush Intcntl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston George Bush Intcntl Airport.
What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?
The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ottawa to Houston George Bush Intcntl Airport?
Based on momondo bookings for flights between Ottawa and Houston George Bush Intcntl Airport, the leading airline is United Airlines, making up 54% of the total bookings. Other popular airlines include Air Canada with 46%.

Best airlines flying from Ottawa to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Ottawa to Houston George Bush Intcntl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 563	Free Cancellation	Rating 7.4 10,191 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 700	Free Cancellation	Rating 7.1 11,603 reviews		Search Air Canada flights

Conroe

The Woodlands

Humble

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Why should I use momondo to find a flight deal from Ottawa to Houston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Ottawa.

Can I find flights from Ottawa to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Ottawa and alert you when they change.

An easier way to manage your Houston George Bush Intcntl Airport trip

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Cheap flights from Ottawa to Houston from C$ 321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Houston departing on 18/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Ottawa to Houston George Bush Intcntl Airport

Our best WestJet deals on Ottawa to Houston George Bush Intcntl Airport flight tickets

Air Canada flights from Ottawa to Houston George Bush Intcntl Airport

Our best Air Canada deals on Ottawa to Houston George Bush Intcntl Airport flight tickets

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Use the filters below to find and compare flights from Ottawa to Houston George Bush Intcntl Airport that are best for you.

See travel insights to Houston from

How to get the cheapest flight ticket from Ottawa to Houston George Bush Intcntl Airport

What is the typical price of a round-trip flight between Ottawa and Houston George Bush Intcntl Airport?

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

Can stopping save me money on Ottawa to Houston George Bush Intcntl Airport flights?

What is the cheapest airline that flies from Ottawa to Houston George Bush Intcntl?

Which airlines fly to Houston George Bush Intcntl Airport?

Which airport is the most popular layover for flights between Ottawa and Houston George Bush Intcntl Airport?

Which layover airport offers the lowest fares from Ottawa to Houston George Bush Intcntl Airport?

Which layover airport has the shortest travel time from Ottawa to Houston George Bush Intcntl Airport?

Which layover airport has the shortest connection time from Ottawa to Houston George Bush Intcntl Airport?

When to book flights from Ottawa to Houston George Bush Intcntl Airport

Cheap Ottawa to Houston George Bush Intcntl Airport (YOW to IAH) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Houston George Bush Intcntl Airport

Best airlines flying from Ottawa to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Ottawa to Houston George Bush Intcntl Airport with momondo

Travelling to a place near Houston?

Why use momondo?

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Houston

Popular Cities in the United States

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Houston George Bush Intcntl Airport flight routes

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List of cabin classes available on flights landing in Houston. Availability may vary depending on flight origin and airline.

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According to popular flight searches on momondo this year