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 64% 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.

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

United 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 July 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$ 357 Cheap Flights from Ottawa to Houston in 2026

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$ 994 to C$ 1,118. The lowest price recently found on this route was C$ 525.

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.

7:00 a.m. - 3:05 p.m.

YOW

IAH

9h 05m

1 stop

4:32 p.m. - 2:55 p.m.

IAH

YOW

21h 23m

2 stops

C$ 525Multiple Airlines

Mon, 17 Aug - Sun, 23 Aug

7:00 a.m. - 3:05 p.m.

YOW

IAH

9h 05m

1 stop

8:35 a.m. - 2:55 p.m.

IAH

YOW

29h 20m

1 stop

C$ 534Multiple Airlines

Mon, 17 Aug - Sun, 23 Aug

9:05 a.m. - 10:14 p.m.

YOW

IAH

38h 09m

2 stops

8:35 a.m. - 2:55 p.m.

IAH

YOW

29h 20m

1 stop

C$ 577Multiple Airlines

Sun, 23 Aug - Sun, 30 Aug

2:10 p.m. - 7:20 a.m.

YOW

IAH

18h 10m

2 stops

7:23 p.m. - 2:33 p.m.

IAH

YOW

18h 10m

1 stop

C$ 621Multiple Airlines

Wed, 5 Aug - Thu, 6 Aug

12:25 p.m. - 10:40 p.m.

YOW

IAH

11h 15m

2 stops

6:30 a.m. - 11:35 a.m.

IAH

YOW

28h 05m

2 stops

C$ 685WestJet

Sat, 22 Aug - Fri, 28 Aug

12:25 p.m. - 10:40 p.m.

YOW

IAH

11h 15m

2 stops

6:30 a.m. - 11:35 a.m.

IAH

YOW

28h 05m

2 stops

C$ 686WestJet

Sat, 22 Aug - Fri, 28 Aug

6:55 a.m. - 10:40 p.m.

YOW

HOU

16h 45m

2 stops

5:26 p.m. - 12:20 a.m.

HOU

YOW

29h 54m

2 stops

C$ 938Delta

Fri, 11 Sep - Tue, 15 Sep

6:55 a.m. - 10:05 p.m.

YOW

HOU

16h 10m

2 stops

6:00 a.m. - 12:20 a.m.

HOU

YOW

17h 20m

2 stops

C$ 979Delta

Wed, 5 Aug - Fri, 7 Aug

7:00 a.m. - 7:51 p.m.

YOW

HOU

13h 51m

3 stops

6:14 p.m. - 2:55 p.m.

HOU

YOW

19h 41m

3 stops

C$ 1,081American Airlines

Wed, 5 Aug - Sat, 8 Aug

7:00 a.m. - 7:44 p.m.

YOW

HOU

13h 44m

3 stops

6:14 p.m. - 2:55 p.m.

HOU

YOW

19h 41m

3 stops

C$ 1,139American Airlines

Thu, 6 Aug - Sat, 8 Aug

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WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

22 Aug

YOW12:25 p.m.Ottawa

11h 15m

2 stops

IAH10:40 p.m.Houston George Bush Intcntl

28 Aug

IAH6:30 a.m.Houston George Bush Intcntl

28h 05m

2 stops

YOW11:35 a.m.Ottawa

C$ 685

WestJet

22 Aug

YOW12:25 p.m.Ottawa

11h 15m

2 stops

IAH10:40 p.m.Houston George Bush Intcntl

28 Aug

IAH6:30 a.m.Houston George Bush Intcntl

28h 05m

2 stops

YOW11:35 a.m.Ottawa

C$ 686

WestJet

4 Sep

YOW1:20 p.m.Ottawa

10h 20m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

8 Sep

IAH6:30 a.m.Houston George Bush Intcntl

11h 50m

1 stop

YOW7:20 p.m.Ottawa

C$ 711

Delta flights from Ottawa to Houston

Our best Delta deals on Ottawa to Houston flight tickets

Delta

11 Sep

YOW6:55 a.m.Ottawa

16h 45m

2 stops

HOU10:40 p.m.Houston Hobby

15 Sep

HOU5:26 p.m.Houston Hobby

29h 54m

2 stops

YOW12:20 a.m.Ottawa

C$ 938

Delta

5 Aug

YOW6:55 a.m.Ottawa

16h 10m

2 stops

HOU10:05 p.m.Houston Hobby

7 Aug

HOU6:00 a.m.Houston Hobby

17h 20m

2 stops

YOW12:20 a.m.Ottawa

C$ 979

Delta

5 Aug

YOW6:55 a.m.Ottawa

16h 10m

2 stops

HOU10:05 p.m.Houston Hobby

12 Aug

HOU10:50 a.m.Houston Hobby

12h 30m

2 stops

YOW12:20 a.m.Ottawa

C$ 981

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 17/8

7:00 a.m.-3:05 p.m.

1 stop9h 05m

Houston George Bush Intcntl

Sun 23/8

4:32 p.m.-2:55 p.m.

2 stops21h 23m

C$ 525

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 17/8

7:00 a.m.-3:05 p.m.

1 stop9h 05m

Houston George Bush Intcntl

Sun 23/8

8:35 a.m.-2:55 p.m.

1 stop29h 20m

C$ 534

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 23/8

9:05 a.m.-10:14 p.m.

2 stops38h 09m

Houston George Bush Intcntl

Sun 30/8

8:35 a.m.-2:55 p.m.

1 stop29h 20m

C$ 577

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 5/8

2:10 p.m.-7:20 a.m.

2 stops18h 10m

Houston George Bush Intcntl

Thu 6/8

7:23 p.m.-2:33 p.m.

1 stop18h 10m

C$ 621

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

12:25 p.m.-10:40 p.m.

2 stops11h 15m

Houston George Bush Intcntl

Fri 28/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 685

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 22/8

12:25 p.m.-10:40 p.m.

2 stops11h 15m

Houston George Bush Intcntl

Fri 28/8

6:30 a.m.-11:35 a.m.

2 stops28h 05m

C$ 686

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 11/9

6:55 a.m.-10:40 p.m.

2 stops16h 45m

Houston Hobby

Tue 15/9

5:26 p.m.-12:20 a.m.

2 stops29h 54m

C$ 938

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 5/8

6:55 a.m.-10:05 p.m.

2 stops16h 10m

Houston Hobby

Fri 7/8

6:00 a.m.-12:20 a.m.

2 stops17h 20m

C$ 979

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Wed 5/8

7:00 a.m.-7:51 p.m.

3 stops13h 51m

Houston Hobby

Sat 8/8

6:14 p.m.-2:55 p.m.

3 stops19h 41m

C$ 1,081

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 6/8

7:00 a.m.-7:44 p.m.

3 stops13h 44m

Houston Hobby

Sat 8/8

6:14 p.m.-2:55 p.m.

3 stops19h 41m

C$ 1,139

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 December is, on average, the cheapest month to fly to Houston from Ottawa, with most prices found around C$ 313. The month of September is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 388.

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 15m
Direct flights	None

The fastest flight from Ottawa to Houston takes 6h 15m

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 6h 15m.
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 July 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$ 313	Free Cancellation	Rating 7.1 11,331 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 500	Free Cancellation	Rating 7.4 9,979 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.