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

Air Canada, American Airlines, and WestJet 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 March 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$ 312 Cheap Flights from Ottawa to Houston in 2026

1 adult

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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.

7:00 a.m. - 10:50 p.m.

YOW

IAH

16h 50m

2 stops

9:46 a.m. - 12:25 a.m.

IAH

YOW

13h 39m

1 stop

C$ 396Multiple Airlines

Tue, 21 Apr - Thu, 30 Apr

7:00 a.m. - 4:06 p.m.

YOW

IAH

10h 06m

1 stop

11:32 a.m. - 12:25 a.m.

IAH

YOW

11h 53m

1 stop

C$ 415Multiple Airlines

Thu, 26 Mar - Thu, 2 Apr

3:55 p.m. - 10:04 p.m.

YOW

IAH

7h 09m

1 stop

9:46 a.m. - 12:25 a.m.

IAH

YOW

13h 39m

1 stop

C$ 423Multiple Airlines

Tue, 21 Apr - Thu, 30 Apr

4:15 p.m. - 4:22 p.m.

YOW

IAH

25h 07m

2 stops

7:05 a.m. - 5:25 p.m.

IAH

YOW

9h 20m

1 stop

C$ 457Multiple Airlines

Tue, 24 Mar - Tue, 31 Mar

3:55 p.m. - 10:36 a.m.

YOW

IAH

19h 41m

2 stops

9:36 a.m. - 12:25 a.m.

IAH

YOW

13h 49m

1 stop

C$ 460Multiple Airlines

Sun, 22 Mar - Thu, 26 Mar

9:30 a.m. - 8:20 p.m.

YOW

IAH

11h 50m

1 stop

7:05 a.m. - 5:25 p.m.

IAH

YOW

9h 20m

1 stop

C$ 469Multiple Airlines

Tue, 24 Mar - Tue, 31 Mar

6:55 a.m. - 4:28 p.m.

YOW

HOU

10h 33m

2 stops

1:06 p.m. - 12:20 a.m.

HOU

YOW

10h 14m

2 stops

C$ 806WestJet

Tue, 5 May - Fri, 8 May

6:55 a.m. - 4:28 p.m.

YOW

HOU

10h 33m

2 stops

1:06 p.m. - 12:20 a.m.

HOU

YOW

10h 14m

2 stops

C$ 807WestJet

Tue, 5 May - Fri, 8 May

6:55 a.m. - 10:26 p.m.

YOW

HOU

16h 31m

2 stops

5:02 p.m. - 12:20 a.m.

HOU

YOW

30h 18m

2 stops

C$ 851Delta

Thu, 14 May - Tue, 19 May

6:45 a.m. - 11:58 p.m.

YOW

HOU

18h 13m

2 stops

6:00 a.m. - 4:48 p.m.

HOU

YOW

9h 48m

2 stops

C$ 870American Airlines

Wed, 18 Mar - Tue, 24 Mar

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets

Delta

14 May

YOW6:55 a.m.Ottawa

16h 31m

2 stops

HOU10:26 p.m.Houston Hobby

19 May

HOU5:02 p.m.Houston Hobby

30h 18m

2 stops

YOW12:20 a.m.Ottawa

C$ 851

Delta

21 May

YOW6:55 a.m.Ottawa

16h 31m

2 stops

HOU10:26 p.m.Houston Hobby

26 May

HOU5:02 p.m.Houston Hobby

30h 18m

2 stops

YOW12:20 a.m.Ottawa

C$ 919

Delta

13 Apr

YOW5:40 a.m.Ottawa

11h 48m

2 stops

HOU4:28 p.m.Houston Hobby

20 Apr

HOU10:53 a.m.Houston Hobby

12h 46m

2 stops

YOW12:39 a.m.Ottawa

C$ 1,619

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

18 Mar

YOW6:45 a.m.Ottawa

18h 13m

2 stops

HOU11:58 p.m.Houston Hobby

24 Mar

HOU6:00 a.m.Houston Hobby

9h 48m

2 stops

YOW4:48 p.m.Ottawa

C$ 870

American Airlines

3 Apr

YOW10:00 a.m.Ottawa

14h 58m

2 stops

HOU11:58 p.m.Houston Hobby

5 Apr

HOU6:00 a.m.Houston Hobby

9h 51m

2 stops

YOW4:51 p.m.Ottawa

C$ 944

American Airlines

23 Aug

YOW8:40 a.m.Ottawa

10h 20m

2 stops

HOU6:00 p.m.Houston Hobby

27 Aug

HOU6:00 a.m.Houston Hobby

13h 00m

2 stops

YOW8:00 p.m.Ottawa

C$ 961

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 21/4

7:00 a.m.-10:50 p.m.

2 stops16h 50m

Houston George Bush Intcntl

Thu 30/4

9:46 a.m.-12:25 a.m.

1 stop13h 39m

C$ 396

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 26/3

7:00 a.m.-4:06 p.m.

1 stop10h 06m

Houston George Bush Intcntl

Thu 2/4

11:32 a.m.-12:25 a.m.

1 stop11h 53m

C$ 415

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 21/4

3:55 p.m.-10:04 p.m.

1 stop7h 09m

Houston George Bush Intcntl

Thu 30/4

9:46 a.m.-12:25 a.m.

1 stop13h 39m

C$ 423

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/3

4:15 p.m.-4:22 p.m.

2 stops25h 07m

Houston George Bush Intcntl

Tue 31/3

7:05 a.m.-5:25 p.m.

1 stop9h 20m

C$ 457

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 22/3

3:55 p.m.-10:36 a.m.

2 stops19h 41m

Houston George Bush Intcntl

Thu 26/3

9:36 a.m.-12:25 a.m.

1 stop13h 49m

C$ 460

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 24/3

9:30 a.m.-8:20 p.m.

1 stop11h 50m

Houston George Bush Intcntl

Tue 31/3

7:05 a.m.-5:25 p.m.

1 stop9h 20m

C$ 469

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 a.m.-4:28 p.m.

2 stops10h 33m

Houston Hobby

Fri 8/5

1:06 p.m.-12:20 a.m.

2 stops10h 14m

C$ 806

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

6:55 a.m.-4:28 p.m.

2 stops10h 33m

Houston Hobby

Fri 8/5

1:06 p.m.-12:20 a.m.

2 stops10h 14m

C$ 807

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 14/5

6:55 a.m.-10:26 p.m.

2 stops16h 31m

Houston Hobby

Tue 19/5

5:02 p.m.-12:20 a.m.

2 stops30h 18m

C$ 851

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 18/3

6:45 a.m.-11:58 p.m.

2 stops18h 13m

Houston Hobby

Tue 24/3

6:00 a.m.-4:48 p.m.

2 stops9h 48m

C$ 870

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 December is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around C$ 666. The month of October is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 668.

Cheap Ottawa to Houston flight deals and tips

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

Fastest flight time	6h 06m
Direct flights	None

The fastest flight from Ottawa to Houston takes 6h 06m

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

Search flight deals

How far is Ottawa to Houston by plane?
Houston is 2442.2 km away from Ottawa. By plane, this route typically takes 6h 06m.
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 March 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
United Airlines	PriceFrom C$ 482	Free Cancellation	Rating 7.4 9,375 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 565	Free Cancellation	Rating 7.1 10,764 reviews		Search Air Canada 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.