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Cheap flights from Ottawa to Houston from C$ 443

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 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ottawa to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 a.m. - 7:02 a.m.
YOW
-
IAH
22h 32m
1 stop
Multiple Airlines Logo
6:57 p.m. - 5:13 p.m.
IAH
-
YOW
21h 16m
1 stop
C$ 460Multiple Airlines
Thu, 9 Apr - Tue, 14 Apr
Multiple Airlines Logo
9:30 a.m. - 11:46 a.m.
YOW
-
IAH
27h 16m
1 stop
Multiple Airlines Logo
6:57 p.m. - 5:13 p.m.
IAH
-
YOW
21h 16m
1 stop
C$ 480Multiple Airlines
Tue, 7 Apr - Tue, 14 Apr
Multiple Airlines Logo
9:30 a.m. - 7:02 a.m.
YOW
-
IAH
22h 32m
1 stop
Multiple Airlines Logo
6:57 p.m. - 4:51 p.m.
IAH
-
YOW
20h 54m
2 stops
C$ 494Multiple Airlines
Thu, 9 Apr - Tue, 14 Apr
Multiple Airlines Logo
3:05 p.m. - 7:02 a.m.
YOW
-
IAH
16h 57m
2 stops
Multiple Airlines Logo
6:57 p.m. - 5:13 p.m.
IAH
-
YOW
21h 16m
1 stop
C$ 504Multiple Airlines
Fri, 10 Apr - Tue, 14 Apr
Multiple Airlines Logo
3:05 p.m. - 7:02 a.m.
YOW
-
IAH
16h 57m
2 stops
Multiple Airlines Logo
2:23 p.m. - 11:58 p.m.
IAH
-
YOW
8h 35m
1 stop
C$ 512Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr
Multiple Airlines Logo
11:00 a.m. - 3:27 p.m.
YOW
-
IAH
29h 27m
2 stops
Multiple Airlines Logo
6:57 p.m. - 5:13 p.m.
IAH
-
YOW
21h 16m
1 stop
C$ 514Multiple Airlines
Tue, 7 Apr - Tue, 14 Apr
Multiple Airlines Logo
7:00 a.m. - 5:32 p.m.
YOW
-
IAH
11h 32m
1 stop
Multiple Airlines Logo
6:57 p.m. - 11:58 p.m.
IAH
-
YOW
28h 01m
1 stop
C$ 517Multiple Airlines
Tue, 14 Apr - Sat, 25 Apr
Multiple Airlines Logo
3:55 p.m. - 3:02 p.m.
YOW
-
IAH
24h 07m
1 stop
Multiple Airlines Logo
6:57 p.m. - 5:13 p.m.
IAH
-
YOW
21h 16m
1 stop
C$ 523Multiple Airlines
Fri, 10 Apr - Tue, 14 Apr
Multiple Airlines Logo
3:05 p.m. - 7:02 a.m.
YOW
-
IAH
16h 57m
2 stops
Multiple Airlines Logo
2:23 p.m. - 11:58 p.m.
IAH
-
YOW
8h 35m
1 stop
C$ 527Multiple Airlines
Fri, 10 Apr - Fri, 17 Apr
Multiple Airlines Logo
7:00 a.m. - 10:47 p.m.
YOW
-
IAH
16h 47m
1 stop
Multiple Airlines Logo
3:31 p.m. - 5:25 p.m.
IAH
-
YOW
24h 54m
1 stop
C$ 532Multiple Airlines
Wed, 15 Apr - Mon, 20 Apr

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
5 May
YOW6:15 p.m.Ottawa
20h 40m
2 stops
IAH1:55 p.m.Houston George Bush Intcntl
8 May
IAH6:30 a.m.Houston George Bush Intcntl
29h 00m
2 stops
YOW12:30 p.m.Ottawa
C$ 649
WestJet
5 May
YOW6:15 p.m.Ottawa
20h 40m
2 stops
IAH1:55 p.m.Houston George Bush Intcntl
8 May
IAH6:30 a.m.Houston George Bush Intcntl
29h 00m
2 stops
YOW12:30 p.m.Ottawa
C$ 650
WestJet
5 May
YOW6:15 p.m.Ottawa
20h 40m
2 stops
IAH1:55 p.m.Houston George Bush Intcntl
8 May
IAH6:30 a.m.Houston George Bush Intcntl
9h 45m
1 stop
YOW5:15 p.m.Ottawa
C$ 651

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 14 March 2026.
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 - IAH

YOWIAH

Ottawa

Thu 9/4

9:30 a.m.-7:02 a.m.

1 stop22h 32m

Houston George Bush Intcntl

Tue 14/4

6:57 p.m.-5:13 p.m.

1 stop21h 16m

C$ 460

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 7/4

9:30 a.m.-11:46 a.m.

1 stop27h 16m

Houston George Bush Intcntl

Tue 14/4

6:57 p.m.-5:13 p.m.

1 stop21h 16m

C$ 480

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 9/4

9:30 a.m.-7:02 a.m.

1 stop22h 32m

Houston George Bush Intcntl

Tue 14/4

6:57 p.m.-4:51 p.m.

2 stops20h 54m

C$ 494

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/4

3:05 p.m.-7:02 a.m.

2 stops16h 57m

Houston George Bush Intcntl

Tue 14/4

6:57 p.m.-5:13 p.m.

1 stop21h 16m

C$ 504
Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/4

3:05 p.m.-7:02 a.m.

2 stops16h 57m

Houston George Bush Intcntl

Fri 17/4

2:23 p.m.-11:58 p.m.

1 stop8h 35m

C$ 512

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 7/4

11:00 a.m.-3:27 p.m.

2 stops29h 27m

Houston George Bush Intcntl

Tue 14/4

6:57 p.m.-5:13 p.m.

1 stop21h 16m

C$ 514

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 14/4

7:00 a.m.-5:32 p.m.

1 stop11h 32m

Houston George Bush Intcntl

Sat 25/4

6:57 p.m.-11:58 p.m.

1 stop28h 01m

C$ 517

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/4

3:55 p.m.-3:02 p.m.

1 stop24h 07m

Houston George Bush Intcntl

Tue 14/4

6:57 p.m.-5:13 p.m.

1 stop21h 16m

C$ 523

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 10/4

3:05 p.m.-7:02 a.m.

2 stops16h 57m

Houston George Bush Intcntl

Fri 17/4

2:23 p.m.-11:58 p.m.

1 stop8h 35m

C$ 527

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 15/4

7:00 a.m.-10:47 p.m.

1 stop16h 47m

Houston George Bush Intcntl

Mon 20/4

3:31 p.m.-5:25 p.m.

1 stop24h 54m

C$ 532

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

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

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 April to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 710.

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

Fastest flight time

6h 03m

Direct flights

None
The fastest flight from Ottawa to Houston George Bush Intcntl Airport takes 6h 03m
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

  • 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 03m 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?

  • 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?

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 AirlinesPriceFrom C$ 637Free CancellationRating
7.4
9,423 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 695Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Conroe
Humble
The Woodlands
Spring

Why use momondo?

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.

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