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

Air Canada, United Airlines, and WestJet 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 November 2025, 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$ 342 Cheap Flights from Ottawa to Houston in 2025/26

1 adult

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Find the cheapest flights from Ottawa to Houston

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One-way

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Cheap round-trip flights

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4:20 p.m. - 8:23 p.m.YOW-IAH

29h 03m3 stops

12:16 p.m. - 11:58 p.m.IAH-YOW

10h 42m1 stop

C$ 342Multiple Airlines

Find Deal

Sun, 25 Jan - Sun, 1 Feb

4:20 p.m. - 8:23 p.m.YOW-IAH

29h 03m3 stops

8:19 p.m. - 12:39 a.m.IAH-YOW

27h 20m2 stops

C$ 360Multiple Airlines

Find Deal

Sun, 25 Jan - Sun, 1 Feb

4:15 p.m. - 9:18 a.m.YOW-IAH

18h 03m1 stop

9:34 p.m. - 5:13 p.m.IAH-YOW

18h 39m1 stop

C$ 367Multiple Airlines

Find Deal

Sun, 14 Dec - Wed, 24 Dec

7:00 a.m. - 9:15 a.m.YOW-IAH

27h 15m3 stops

3:09 p.m. - 5:25 p.m.IAH-YOW

25h 16m2 stops

C$ 381Multiple Airlines

Find Deal

Sun, 14 Dec - Wed, 24 Dec

4:20 p.m. - 8:23 p.m.YOW-IAH

29h 03m3 stops

9:33 p.m. - 12:39 a.m.IAH-YOW

26h 06m3 stops

C$ 383Multiple Airlines

Find Deal

Sun, 25 Jan - Sun, 1 Feb

7:00 a.m. - 12:04 a.m.YOW-IAH

18h 04m1 stop

8:17 p.m. - 5:13 p.m.IAH-YOW

19h 56m1 stop

C$ 407Multiple Airlines

Find Deal

Thu, 19 Feb - Sun, 22 Feb

5:40 a.m. - 9:28 p.m.YOW-HOU

40h 48m2 stops

10:35 a.m. - 12:39 a.m.HOU-YOW

13h 04m2 stops

C$ 958WestJet

Find Deal

Sat, 7 Mar - Sun, 15 Mar

5:40 a.m. - 9:40 a.m.YOW-HOU

29h 00m2 stops

5:27 p.m. - 12:39 a.m.HOU-YOW

30h 12m2 stops

C$ 1,032WestJet

Find Deal

Sat, 4 Apr - Sat, 11 Apr

7:15 p.m. - 5:33 p.m.YOW-HOU

23h 18m2 stops

6:00 a.m. - 12:42 a.m.HOU-YOW

17h 42m2 stops

C$ 1,049WestJet

Find Deal

Fri, 12 Dec - Fri, 19 Dec

6:45 a.m. - 6:06 p.m.YOW-HOU

12h 21m3 stops

6:36 p.m. - 4:53 p.m.HOU-YOW

21h 17m2 stops

C$ 1,186American Airlines

Find Deal

Mon, 12 Jan - Mon, 19 Jan

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

12 Jan

YOW6:45 a.m.Ottawa

12h 21m

3 stops

HOU6:06 p.m.Houston Hobby

19 Jan

HOU6:36 p.m.Houston Hobby

21h 17m

2 stops

YOW4:53 p.m.Ottawa

C$ 1,186

Find similar

American Airlines

3 Dec

YOW6:45 a.m.Ottawa

16h 38m

3 stops

IAH10:23 p.m.Houston George Bush Intcntl

11 Dec

IAH5:00 a.m.Houston George Bush Intcntl

10h 51m

2 stops

YOW4:51 p.m.Ottawa

C$ 1,510

Find similar

American Airlines

4 Dec

YOW6:45 a.m.Ottawa

14h 02m

3 stops

HOU7:47 p.m.Houston Hobby

7 Dec

HOU5:44 a.m.Houston Hobby

10h 07m

2 stops

YOW4:51 p.m.Ottawa

C$ 1,514

Find similar

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

21 Jan

YOW5:45 p.m.Ottawa

19h 59m

1 stop

IAH12:44 p.m.Houston George Bush Intcntl

22 Jan

IAH6:20 p.m.Houston George Bush Intcntl

23h 01m

2 stops

YOW6:21 p.m.Ottawa

C$ 708

Find similar

WestJet

21 Jan

YOW5:45 p.m.Ottawa

19h 59m

1 stop

IAH12:44 p.m.Houston George Bush Intcntl

22 Jan

IAH6:20 p.m.Houston George Bush Intcntl

23h 01m

2 stops

YOW6:21 p.m.Ottawa

C$ 710

Find similar

WestJet

21 Jan

YOW5:45 p.m.Ottawa

19h 59m

1 stop

IAH12:44 p.m.Houston George Bush Intcntl

22 Jan

IAH6:20 p.m.Houston George Bush Intcntl

23h 01m

2 stops

YOW6:21 p.m.Ottawa

C$ 753

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 25/1

4:20 p.m.-8:23 p.m.

3 stops29h 03m

Houston George Bush Intcntl

Sun 1/2

12:16 p.m.-11:58 p.m.

1 stop10h 42m

C$ 342

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 25/1

4:20 p.m.-8:23 p.m.

3 stops29h 03m

Houston George Bush Intcntl

Sun 1/2

8:19 p.m.-12:39 a.m.

2 stops27h 20m

C$ 360

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 14/12

4:15 p.m.-9:18 a.m.

1 stop18h 03m

Houston George Bush Intcntl

Wed 24/12

9:34 p.m.-5:13 p.m.

1 stop18h 39m

C$ 367

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 14/12

7:00 a.m.-9:15 a.m.

3 stops27h 15m

Houston George Bush Intcntl

Wed 24/12

3:09 p.m.-5:25 p.m.

2 stops25h 16m

C$ 381

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 25/1

4:20 p.m.-8:23 p.m.

3 stops29h 03m

Houston George Bush Intcntl

Sun 1/2

9:33 p.m.-12:39 a.m.

3 stops26h 06m

C$ 383

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 19/2

7:00 a.m.-12:04 a.m.

1 stop18h 04m

Houston George Bush Intcntl

Sun 22/2

8:17 p.m.-5:13 p.m.

1 stop19h 56m

C$ 406

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 7/3

5:40 a.m.-9:28 p.m.

2 stops40h 48m

Houston Hobby

Sun 15/3

10:35 a.m.-12:39 a.m.

2 stops13h 04m

C$ 958

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 4/4

5:40 a.m.-9:40 a.m.

2 stops29h 00m

Houston Hobby

Sat 11/4

5:27 p.m.-12:39 a.m.

2 stops30h 12m

C$ 1,032

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 12/12

7:15 p.m.-5:33 p.m.

2 stops23h 18m

Houston Hobby

Fri 19/12

6:00 a.m.-12:42 a.m.

2 stops17h 42m

C$ 1,049

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Mon 12/1

6:45 a.m.-6:06 p.m.

3 stops12h 21m

Houston Hobby

Mon 19/1

6:36 p.m.-4:53 p.m.

2 stops21h 17m

C$ 1,186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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$ 684. The month of May is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 788.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Ottawa is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 826. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ottawa to Houston on a Sunday will generally be more expensive and average around C$ 978. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Houston?

Our most recent data shows that the best time of day to fly to Houston is at noon. Flights from Ottawa to Houston during this time can be as low as C$ 872. In contrast, the most expensive time of day to depart to Houston is in the afternoon when prices are around C$ 964.

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	8h 20m
Direct flights	None

The fastest flight from Ottawa to Houston takes 8h 20m

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 7h 03m.
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 November 2025, 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$ 494	Free Cancellation	Rating 7.4 9,057 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 608	Free Cancellation	Rating 7.1 10,485 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.