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

Air Canada, American Airlines, and Delta are the most popular carriers operating from Ottawa to Houston

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 January 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$ 365 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.

4:15 p.m. - 8:40 a.m.

YOW

IAH

17h 25m

1 stop

8:45 a.m. - 5:13 p.m.

IAH

YOW

7h 28m

1 stop

C$ 365Multiple Airlines

Sun, 1 Feb - Wed, 4 Feb

7:00 a.m. - 8:40 a.m.

YOW

IAH

26h 40m

1 stop

6:27 p.m. - 5:15 p.m.

IAH

YOW

45h 48m

2 stops

C$ 371Multiple Airlines

Sun, 8 Feb - Sat, 14 Feb

7:00 a.m. - 8:40 a.m.

YOW

IAH

26h 40m

1 stop

7:38 p.m. - 12:40 p.m.

IAH

YOW

16h 02m

1 stop

C$ 379Multiple Airlines

Sun, 8 Feb - Sat, 14 Feb

4:15 p.m. - 8:40 a.m.

YOW

IAH

17h 25m

1 stop

6:30 a.m. - 12:25 a.m.

IAH

YOW

16h 55m

2 stops

C$ 382Multiple Airlines

Sun, 1 Feb - Wed, 4 Feb

7:00 a.m. - 8:23 p.m.

YOW

IAH

14h 23m

1 stop

11:19 a.m. - 12:25 a.m.

IAH

YOW

12h 06m

1 stop

C$ 387Multiple Airlines

Thu, 5 Feb - Wed, 18 Mar

4:20 p.m. - 11:11 a.m.

YOW

IAH

19h 51m

1 stop

4:22 p.m. - 5:25 p.m.

IAH

YOW

24h 03m

1 stop

C$ 391Multiple Airlines

Tue, 3 Mar - Tue, 10 Mar

10:00 a.m. - 10:46 p.m.

YOW

HOU

13h 46m

2 stops

6:00 a.m. - 4:58 p.m.

HOU

YOW

9h 58m

2 stops

C$ 904American Airlines

Sun, 8 Feb - Thu, 19 Feb

5:55 a.m. - 4:25 p.m.

YOW

HOU

11h 30m

2 stops

1:00 p.m. - 12:22 a.m.

HOU

YOW

10h 22m

2 stops

C$ 976WestJet

Tue, 5 May - Fri, 8 May

5:40 a.m. - 10:44 p.m.

YOW

HOU

18h 04m

2 stops

6:00 a.m. - 12:22 a.m.

HOU

YOW

17h 22m

2 stops

C$ 977WestJet

Tue, 21 Apr - Wed, 6 May

5:40 a.m. - 10:01 a.m.

YOW

HOU

29h 21m

2 stops

2:13 p.m. - 12:39 a.m.

HOU

YOW

9h 26m

2 stops

C$ 984WestJet

Thu, 5 Mar - Tue, 10 Mar

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

5 May

YOW5:15 p.m.Ottawa

21h 55m

2 stops

IAH2:10 p.m.Houston George Bush Intcntl

8 May

IAH8:00 a.m.Houston George Bush Intcntl

20h 28m

2 stops

YOW5:28 a.m.Ottawa

C$ 480

WestJet

5 May

YOW3:45 p.m.Ottawa

23h 25m

1 stop

IAH2:10 p.m.Houston George Bush Intcntl

8 May

IAH8:00 a.m.Houston George Bush Intcntl

20h 28m

2 stops

YOW5:28 a.m.Ottawa

C$ 501

WestJet

5 May

YOW5:15 p.m.Ottawa

21h 55m

2 stops

IAH2:10 p.m.Houston George Bush Intcntl

8 May

IAH8:00 a.m.Houston George Bush Intcntl

20h 28m

2 stops

YOW5:28 a.m.Ottawa

C$ 523

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

8 Feb

YOW10:00 a.m.Ottawa

13h 46m

2 stops

HOU10:46 p.m.Houston Hobby

19 Feb

HOU6:00 a.m.Houston Hobby

9h 58m

2 stops

YOW4:58 p.m.Ottawa

C$ 904

American Airlines

8 Feb

YOW10:00 a.m.Ottawa

13h 46m

3 stops

HOU10:46 p.m.Houston Hobby

19 Feb

HOU6:00 a.m.Houston Hobby

9h 58m

2 stops

YOW4:58 p.m.Ottawa

C$ 1,060

American Airlines

6 Feb

YOW10:00 a.m.Ottawa

25h 05m

2 stops

HOU10:05 a.m.Houston Hobby

13 Feb

HOU8:16 p.m.Houston Hobby

20h 42m

2 stops

YOW5:58 p.m.Ottawa

C$ 1,141

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/2

4:15 p.m.-8:40 a.m.

1 stop17h 25m

Houston George Bush Intcntl

Wed 4/2

8:45 a.m.-5:13 p.m.

1 stop7h 28m

C$ 365

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 8/2

7:00 a.m.-8:40 a.m.

1 stop26h 40m

Houston George Bush Intcntl

Sat 14/2

6:27 p.m.-5:15 p.m.

2 stops45h 48m

C$ 371

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 8/2

7:00 a.m.-8:40 a.m.

1 stop26h 40m

Houston George Bush Intcntl

Sat 14/2

7:38 p.m.-12:40 p.m.

1 stop16h 02m

C$ 379

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/2

4:15 p.m.-8:40 a.m.

1 stop17h 25m

Houston George Bush Intcntl

Wed 4/2

6:30 a.m.-12:25 a.m.

2 stops16h 55m

C$ 382

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 5/2

7:00 a.m.-8:23 p.m.

1 stop14h 23m

Houston George Bush Intcntl

Wed 18/3

11:19 a.m.-12:25 a.m.

1 stop12h 06m

C$ 387

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:20 p.m.-11:11 a.m.

1 stop19h 51m

Houston George Bush Intcntl

Tue 10/3

4:22 p.m.-5:25 p.m.

1 stop24h 03m

C$ 391

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sun 8/2

10:00 a.m.-10:46 p.m.

2 stops13h 46m

Houston Hobby

Thu 19/2

6:00 a.m.-4:58 p.m.

2 stops9h 58m

C$ 904

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

5:55 a.m.-4:25 p.m.

2 stops11h 30m

Houston Hobby

Fri 8/5

1:00 p.m.-12:22 a.m.

2 stops10h 22m

C$ 976

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 21/4

5:40 a.m.-10:44 p.m.

2 stops18h 04m

Houston Hobby

Wed 6/5

6:00 a.m.-12:22 a.m.

2 stops17h 22m

C$ 977

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 5/3

5:40 a.m.-10:01 a.m.

2 stops29h 21m

Houston Hobby

Tue 10/3

2:13 p.m.-12:39 a.m.

2 stops9h 26m

C$ 984

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$ 677. The month of October is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 680.

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 35m
Direct flights	None

The fastest flight from Ottawa to Houston takes 6h 35m

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 35m.
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 January 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$ 491	Free Cancellation	Rating 7.4 9,156 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 576	Free Cancellation	Rating 7.1 10,619 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.