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

United Airlines, WestJet, and Air Canada are the most popular carriers operating from Ottawa to Houston

Which airlines fly to Houston?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Houston from Ottawa according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 3 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ottawa Airport to Houston are refreshed on a daily basis.

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

As of August 2026, there are 2 operators available to choose from for flights from Ottawa Airport to Houston.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston.

What documentation or ID do you need to fly to Houston?

The travel and health documents you'll need for your trip to Houston 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 277 Cheap Flights from Ottawa to Houston in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Houston

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 a.m. - 3:30 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 30m1 stop Orlando

6:00 a.m. - 1:00 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

18h 00m2 stops Las Vegas Harry Reid Intl Calgary

C$ 538Multiple Airlines

Wed, 28 Oct - Sat, 31 Oct

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

18h 40m1 stop Calgary

6:30 a.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

9h 45m1 stop Calgary

C$ 552WestJet

Wed, 23 Sep - Fri, 2 Oct

6:15 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

29h 25m2 stops Edmonton Calgary

6:30 a.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

9h 45m1 stop Calgary

C$ 580WestJet

Wed, 23 Sep - Fri, 2 Oct

7:00 a.m. - 10:30 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 30m2 stops Orlando Atlanta Hartsfield-Jackson

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

29h 42m1 stop Fort Lauderdale

C$ 589Multiple Airlines

Sat, 12 Sep - Fri, 18 Sep

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$ 855Air Canada

Fri, 12 Feb - Sat, 20 Feb

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$ 894Air Canada

Sat, 27 Feb - Sun, 7 Mar

2:50 p.m. - 7:52 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 02m1 stop Montreal Pierre Elliott Trudeau Intl

7:20 a.m. - 3:10 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

6h 50m1 stop Toronto Pearson Intl

C$ 905Air Canada

Thu, 1 Oct - Wed, 7 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$ 941United Airlines

Tue, 6 Oct - Sat, 10 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$ 944United Airlines

Tue, 6 Oct - Sat, 10 Oct

6:15 a.m. - 7:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

14h 25m1 stop Chicago O'Hare Intl

5:00 a.m. - 2:18 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

8h 18m1 stop Chicago O'Hare Intl

C$ 975United Airlines

Fri, 12 Feb - Sat, 20 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

13h 26m2 stops Orlando Charlotte Douglas

2:50 p.m. - 5:58 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 08m1 stop Calgary

C$ 969Multiple Airlines

Fri, 4 Sep - Thu, 10 Sep

1:20 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

10h 20m1 stop Calgary

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

25h 25m1 stop Calgary

C$ 998WestJet

Fri, 4 Sep - Thu, 10 Sep

6:25 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

29h 15m2 stops Toronto Pearson Intl Calgary

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

19h 45m2 stops Calgary Winnipeg

C$ 1,030WestJet

Fri, 4 Sep - Thu, 10 Sep

7:00 a.m. - 3:24 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

33h 24m2 stops Toronto Pearson Intl Fort Lauderdale

8:25 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

17h 08m1 stop Orlando

C$ 1,047Multiple Airlines

Thu, 3 Sep - Thu, 10 Sep

12:25 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

11h 15m2 stops Winnipeg Calgary

2:50 p.m. - 2:55 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 05m3 stops Calgary Winnipeg Toronto Pearson Intl

C$ 1,215Multiple Airlines

Fri, 4 Sep - Thu, 10 Sep

7:00 a.m. - 3:24 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

33h 24m2 stops Toronto Pearson Intl Fort Lauderdale

6:30 a.m. - 12:55 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 25m1 stop Calgary

C$ 1,223Multiple Airlines

Tue, 1 Sep - Mon, 7 Sep

12:25 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

26h 30m3 stops Winnipeg Saskatoon Calgary

2:50 p.m. - 2:55 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 05m3 stops Calgary Winnipeg Toronto Pearson Intl

C$ 1,261Multiple Airlines

Fri, 4 Sep - Thu, 10 Sep

3:10 p.m. - 8:45 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 35m1 stop Newark

5:00 a.m. - 1:59 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

7h 59m1 stop Chicago O'Hare Intl

C$ 1,378United Airlines

Thu, 3 Sep - Thu, 10 Sep

5:57 p.m. - 11:33 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 36m1 stop Newark

9:30 a.m. - 5:16 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

6h 46m1 stop Chicago O'Hare Intl

C$ 1,381United Airlines

Tue, 1 Sep - Mon, 7 Sep

6:00 a.m. - 7:10 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

14h 10m3 stops Washington, D.C. Dulles Intl Indianapolis Chicago O'Hare Intl

10:00 a.m. - 7:45 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

8h 45m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,385Multiple Airlines

Tue, 1 Sep - Mon, 7 Sep

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Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets

Delta

16 Sep

YOW6:55 a.m.Ottawa

28h 05m

2 stops

HOU10:00 a.m.Houston Hobby

18 Sep

HOU2:25 p.m.Houston Hobby

26h 10m

2 stops

YOW5:35 p.m.Ottawa

C$ 1,280

Delta

17 Sep

YOW6:55 a.m.Ottawa

16h 44m

2 stops

HOU10:39 p.m.Houston Hobby

23 Sep

HOU11:00 a.m.Houston Hobby

12h 20m

2 stops

YOW12:20 a.m.Ottawa

C$ 1,449

Delta

16 Sep

YOW6:55 a.m.Ottawa

16h 44m

2 stops

HOU10:39 p.m.Houston Hobby

26 Sep

HOU6:00 a.m.Houston Hobby

10h 35m

2 stops

YOW5:35 p.m.Ottawa

C$ 1,934

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

24 Nov

YOW7:00 a.m.Ottawa

13h 40m

3 stops

HOU7:40 p.m.Houston Hobby

27 Nov

HOU6:00 a.m.Houston Hobby

10h 58m

2 stops

YOW5:58 p.m.Ottawa

C$ 1,361

American Airlines

1 Dec

YOW7:00 a.m.Ottawa

13h 40m

3 stops

HOU7:40 p.m.Houston Hobby

14 Dec

HOU6:00 a.m.Houston Hobby

10h 58m

2 stops

YOW5:58 p.m.Ottawa

C$ 1,400

American Airlines

16 Sep

YOW7:00 a.m.Ottawa

13h 48m

3 stops

HOU7:48 p.m.Houston Hobby

26 Sep

HOU6:04 a.m.Houston Hobby

12h 56m

3 stops

YOW8:00 p.m.Ottawa

C$ 1,421

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 28/10

8:00 a.m.-3:30 p.m.

1 stop8h 30m

Houston George Bush Intcntl

Sat 31/10

6:00 a.m.-1:00 a.m.

2 stops18h 00m

C$ 538

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 23/9

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

1 stop18h 40m

Houston George Bush Intcntl

Fri 2/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

C$ 552

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 23/9

6:15 p.m.-10:40 p.m.

2 stops29h 25m

Houston George Bush Intcntl

Fri 2/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

C$ 580

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 12/9

7:00 a.m.-10:30 p.m.

2 stops16h 30m

Houston George Bush Intcntl

Fri 18/9

8:25 a.m.-3:07 p.m.

1 stop29h 42m

C$ 589

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$ 855

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$ 894

Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 1/10

2:50 p.m.-7:52 p.m.

1 stop6h 02m

Houston George Bush Intcntl

Wed 7/10

7:20 a.m.-3:10 p.m.

1 stop6h 50m

C$ 905

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$ 941

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$ 944

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 12/2

6:15 a.m.-7:40 p.m.

1 stop14h 25m

Houston George Bush Intcntl

Sat 20/2

5:00 a.m.-2:18 p.m.

1 stop8h 18m

C$ 975

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

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

What is the cheapest month to fly to Houston?

The month of October is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around C$ 710. The month of May is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 870.

Cheap Ottawa to Houston flight deals and tips

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

Best price found	C$ 277
Fastest flight time	8h 10m
Direct flights	None

The best one-way flight to Houston from Ottawa in the past 72 hours is C$ 277. The best round-trip flight deal from Ottawa to Houston found on momondo in the last 72 hours is C$ 538.

The fastest flight from Ottawa to Houston takes 8h 10m

There are no direct flights from Ottawa to Houston. There are no popular flight routes from Ottawa to Houston.

Search flight deals

Frequently asked questions about flying from Ottawa to Houston

How far is Ottawa to Houston by plane?
Houston is 2442.2 km away from Ottawa. By plane, this route typically takes 8h 10m.
When did momondo last update prices for flights from Ottawa Airport to Houston?
Prices for flights from Ottawa Airport to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to Houston?
As of August 2026, there are 2 operators available to choose from for flights from Ottawa Airport to Houston.
How old do you have to be to fly from Ottawa Airport to Houston?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Houston.
What documentation or ID do you need to fly to Houston?
The travel and health documents you'll need for your trip to Houston 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ottawa to Houston

Compare and see reviews for airlines that fly from Ottawa to Houston with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 308	Free Cancellation	Rating 7.1 11,558 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 491	Free Cancellation	Rating 7.4 10,148 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Houston from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

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

Yes. All flights to Houston from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Ottawa to Houston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ottawa to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.