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

Air Canada, United Airlines, and American Airlines 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 October 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$ 244 Cheap Flights from Ottawa to Houston in 2025/26

Q: What is the typical price of a round-trip flight between Ottawa and Houston?

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,050 to C$ 1,136. The lowest price recently found on this route was C$ 415.

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Find the cheapest flights from Ottawa to Houston

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 a.m. - 8:54 a.m.YOW-IAH

24h 24m1 stop

7:08 p.m. - 11:58 p.m.IAH-YOW

27h 50m1 stop

C$ 415Multiple Airlines

Find Deal

Mon, 8 Dec - Thu, 11 Dec

6:00 a.m. - 5:29 p.m.YOW-IAH

12h 29m1 stop

1:35 p.m. - 12:40 a.m.IAH-YOW

10h 05m1 stop

C$ 418WestJet

Find Deal

Mon, 8 Dec - Wed, 10 Dec

11:10 a.m. - 7:45 p.m.YOW-IAH

9h 35m1 stop

6:30 a.m. - 9:18 p.m.IAH-YOW

13h 48m1 stop

C$ 420United Airlines

Find Deal

Wed, 17 Dec - Wed, 24 Dec

9:30 a.m. - 8:33 a.m.YOW-IAH

24h 03m1 stop

7:30 p.m. - 5:13 p.m.IAH-YOW

20h 43m1 stop

C$ 425Multiple Airlines

Find Deal

Mon, 27 Oct - Tue, 28 Oct

2:05 p.m. - 9:44 p.m.YOW-IAH

8h 39m1 stop

11:55 a.m. - 7:18 p.m.IAH-YOW

6h 23m1 stop

C$ 437Air Canada

Find Deal

Wed, 12 Nov - Thu, 4 Dec

2:50 p.m. - 9:39 p.m.YOW-IAH

7h 49m1 stop

11:55 a.m. - 7:18 p.m.IAH-YOW

6h 23m1 stop

C$ 443Air Canada

Find Deal

Fri, 16 Jan - Mon, 19 Jan

11:10 a.m. - 11:59 p.m.YOW-IAH

13h 49m1 stop

5:00 a.m. - 2:30 p.m.IAH-YOW

8h 30m2 stops

C$ 495United Airlines

Find Deal

Wed, 17 Dec - Tue, 23 Dec

6:45 a.m. - 11:27 p.m.YOW-IAH

17h 42m2 stops

6:08 a.m. - 12:41 a.m.IAH-YOW

17h 33m2 stops

C$ 659American Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

6:45 a.m. - 11:27 p.m.YOW-IAH

17h 42m2 stops

6:08 a.m. - 12:41 a.m.IAH-YOW

17h 33m2 stops

C$ 660American Airlines

Find Deal

Tue, 25 Nov - Tue, 2 Dec

5:40 a.m. - 11:02 p.m.YOW-HOU

18h 22m2 stops

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

17h 42m2 stops

C$ 918Delta

Find Deal

Mon, 8 Dec - Wed, 10 Dec

American Airlines flights from Ottawa to Houston

Our best American Airlines deals on Ottawa to Houston flight tickets

American Airlines

25 Nov

YOW6:45 a.m.Ottawa

17h 42m

2 stops

IAH11:27 p.m.Houston George Bush Intcntl

2 Dec

IAH6:08 a.m.Houston George Bush Intcntl

17h 33m

2 stops

YOW12:41 a.m.Ottawa

C$ 659

Find similar

American Airlines

25 Nov

YOW6:45 a.m.Ottawa

17h 42m

2 stops

IAH11:27 p.m.Houston George Bush Intcntl

2 Dec

IAH6:08 a.m.Houston George Bush Intcntl

17h 33m

2 stops

YOW12:41 a.m.Ottawa

C$ 660

Find similar

American Airlines

12 Nov

YOW6:45 a.m.Ottawa

14h 06m

2 stops

IAH7:51 p.m.Houston George Bush Intcntl

4 Dec

IAH6:16 a.m.Houston George Bush Intcntl

17h 25m

2 stops

YOW12:41 a.m.Ottawa

C$ 673

Find similar

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

8 Dec

YOW6:00 a.m.Ottawa

12h 29m

1 stop

IAH5:29 p.m.Houston George Bush Intcntl

10 Dec

IAH1:35 p.m.Houston George Bush Intcntl

10h 05m

1 stop

YOW12:40 a.m.Ottawa

C$ 418

Find similar

WestJet

8 Dec

YOW7:15 p.m.Ottawa

23h 14m

2 stops

IAH5:29 p.m.Houston George Bush Intcntl

11 Dec

IAH1:35 p.m.Houston George Bush Intcntl

10h 05m

1 stop

YOW12:40 a.m.Ottawa

C$ 465

Find similar

WestJet

8 Dec

YOW7:15 p.m.Ottawa

23h 14m

2 stops

IAH5:29 p.m.Houston George Bush Intcntl

11 Dec

IAH6:20 p.m.Houston George Bush Intcntl

23h 01m

2 stops

YOW6:21 p.m.Ottawa

C$ 475

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 8/12

9:30 a.m.-8:54 a.m.

1 stop24h 24m

Houston George Bush Intcntl

Thu 11/12

7:08 p.m.-11:58 p.m.

1 stop27h 50m

C$ 415

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 8/12

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Wed 10/12

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 418

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 17/12

11:10 a.m.-7:45 p.m.

1 stop9h 35m

Houston George Bush Intcntl

Wed 24/12

6:30 a.m.-9:18 p.m.

1 stop13h 48m

C$ 420

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 27/10

9:30 a.m.-8:33 a.m.

1 stop24h 03m

Houston George Bush Intcntl

Tue 28/10

7:30 p.m.-5:13 p.m.

1 stop20h 43m

C$ 425

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 12/11

2:05 p.m.-9:44 p.m.

1 stop8h 39m

Houston George Bush Intcntl

Thu 4/12

11:55 a.m.-7:18 p.m.

1 stop6h 23m

C$ 437

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 16/1

2:50 p.m.-9:39 p.m.

1 stop7h 49m

Houston George Bush Intcntl

Mon 19/1

11:55 a.m.-7:18 p.m.

1 stop6h 23m

C$ 443

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 17/12

11:10 a.m.-11:59 p.m.

1 stop13h 49m

Houston George Bush Intcntl

Tue 23/12

5:00 a.m.-2:30 p.m.

2 stops8h 30m

C$ 495

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/11

6:45 a.m.-11:27 p.m.

2 stops17h 42m

Houston George Bush Intcntl

Tue 2/12

6:08 a.m.-12:41 a.m.

2 stops17h 33m

C$ 659

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/11

6:45 a.m.-11:27 p.m.

2 stops17h 42m

Houston George Bush Intcntl

Tue 2/12

6:08 a.m.-12:41 a.m.

2 stops17h 33m

C$ 660

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Mon 8/12

5:40 a.m.-11:02 p.m.

2 stops18h 22m

Houston Hobby

Wed 10/12

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

2 stops17h 42m

C$ 918

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 typical price of a round-trip flight between Ottawa and Houston?

What is the cheapest month to fly to Houston?

The month of May is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around C$ 790. The month of January is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 846.

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$ 829. 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$ 982. 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$ 875. In contrast, the most expensive time of day to depart to Houston is in the afternoon when prices are around C$ 967.

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around C$ 953 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Ottawa for as low as C$ 406 on momondo.

Cheap Ottawa to Houston flight deals and tips

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

Direct flights	None

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

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How far is Ottawa to Houston by plane?
Houston is 2442.2 km away from Ottawa. By plane, this route typically takes 6h 30m.
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 October 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$ 501	Free Cancellation	Rating 7.4 8,973 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 676	Free Cancellation	Rating 7.1 10,288 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.