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

WestJet and Delta 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 66% 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 April 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$ 315 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$ 958 to C$ 683. The lowest price recently found on this route was C$ 525.

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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. - 10:33 p.m.

YOW

IAH

16h 33m

1 stop

10:30 a.m. - 5:35 a.m.

IAH

YOW

18h 05m

2 stops

C$ 525Multiple Airlines

Mon, 27 Apr - Wed, 29 Apr

7:00 a.m. - 2:46 p.m.

YOW

IAH

8h 46m

1 stop

1:07 p.m. - 12:15 p.m.

IAH

YOW

22h 08m

1 stop

C$ 552Multiple Airlines

Fri, 24 Apr - Sat, 2 May

4:15 p.m. - 10:33 p.m.

YOW

IAH

31h 18m

1 stop

5:45 a.m. - 12:15 p.m.

IAH

YOW

29h 30m

2 stops

C$ 556Multiple Airlines

Sun, 26 Apr - Wed, 13 May

7:00 a.m. - 10:33 p.m.

YOW

IAH

16h 33m

1 stop

6:14 p.m. - 5:25 p.m.

IAH

YOW

22h 11m

2 stops

C$ 557Multiple Airlines

Mon, 27 Apr - Tue, 28 Apr

7:00 a.m. - 2:46 p.m.

YOW

IAH

8h 46m

1 stop

6:00 p.m. - 12:15 p.m.

IAH

YOW

17h 15m

2 stops

C$ 560Multiple Airlines

Fri, 24 Apr - Sat, 2 May

4:15 p.m. - 10:33 p.m.

YOW

IAH

31h 18m

1 stop

5:29 p.m. - 12:15 p.m.

IAH

YOW

17h 46m

1 stop

C$ 561Multiple Airlines

Sun, 26 Apr - Wed, 13 May

7:00 a.m. - 10:33 p.m.

YOW

IAH

16h 33m

1 stop

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

IAH

YOW

13h 39m

1 stop

C$ 563Multiple Airlines

Mon, 27 Apr - Thu, 30 Apr

7:00 a.m. - 10:33 p.m.

YOW

IAH

16h 33m

1 stop

6:00 p.m. - 12:15 p.m.

IAH

YOW

17h 15m

2 stops

C$ 566Multiple Airlines

Mon, 27 Apr - Sat, 2 May

6:55 a.m. - 4:09 p.m.

YOW

HOU

10h 14m

2 stops

6:00 a.m. - 5:35 p.m.

HOU

YOW

10h 35m

2 stops

C$ 942WestJet

Tue, 2 Jun - Sat, 6 Jun

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

YOW

HOU

10h 33m

2 stops

10:27 a.m. - 12:20 a.m.

HOU

YOW

12h 53m

2 stops

C$ 1,018WestJet

Tue, 5 May - Fri, 8 May

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

18 May

HOU6:00 a.m.Houston Hobby

17h 20m

2 stops

YOW12:20 a.m.Ottawa

C$ 1,322

Delta

10 Jul

YOW6:55 a.m.Ottawa

15h 56m

2 stops

HOU9:51 p.m.Houston Hobby

12 Jul

HOU6:00 a.m.Houston Hobby

17h 20m

2 stops

YOW12:20 a.m.Ottawa

C$ 1,340

Delta

10 Jul

YOW6:55 a.m.Ottawa

15h 56m

2 stops

HOU9:51 p.m.Houston Hobby

12 Jul

HOU6:00 a.m.Houston Hobby

17h 20m

2 stops

YOW12:20 a.m.Ottawa

C$ 1,341

WestJet flights from Ottawa to Houston

Our best WestJet deals on Ottawa to Houston flight tickets

WestJet

10 Jul

YOW1:20 p.m.Ottawa

10h 20m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

12 Jul

IAH2:50 p.m.Houston George Bush Intcntl

27h 30m

1 stop

YOW7:20 p.m.Ottawa

C$ 640

WestJet

10 Jul

YOW1:20 p.m.Ottawa

10h 20m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

12 Jul

IAH6:30 a.m.Houston George Bush Intcntl

22h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 651

WestJet

10 Jul

YOW1:20 p.m.Ottawa

10h 20m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

12 Jul

IAH2:50 p.m.Houston George Bush Intcntl

20h 40m

2 stops

YOW12:30 p.m.Ottawa

C$ 657

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 27/4

7:00 a.m.-10:33 p.m.

1 stop16h 33m

Houston George Bush Intcntl

Wed 29/4

10:30 a.m.-5:35 a.m.

2 stops18h 05m

C$ 525

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 24/4

7:00 a.m.-2:46 p.m.

1 stop8h 46m

Houston George Bush Intcntl

Sat 2/5

1:07 p.m.-12:15 p.m.

1 stop22h 08m

C$ 552

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/4

4:15 p.m.-10:33 p.m.

1 stop31h 18m

Houston George Bush Intcntl

Wed 13/5

5:45 a.m.-12:15 p.m.

2 stops29h 30m

C$ 556

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 27/4

7:00 a.m.-10:33 p.m.

1 stop16h 33m

Houston George Bush Intcntl

Tue 28/4

6:14 p.m.-5:25 p.m.

2 stops22h 11m

C$ 557

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 24/4

7:00 a.m.-2:46 p.m.

1 stop8h 46m

Houston George Bush Intcntl

Sat 2/5

6:00 p.m.-12:15 p.m.

2 stops17h 15m

C$ 560

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 26/4

4:15 p.m.-10:33 p.m.

1 stop31h 18m

Houston George Bush Intcntl

Wed 13/5

5:29 p.m.-12:15 p.m.

1 stop17h 46m

C$ 561

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 27/4

7:00 a.m.-10:33 p.m.

1 stop16h 33m

Houston George Bush Intcntl

Thu 30/4

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

1 stop13h 39m

C$ 563

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 27/4

7:00 a.m.-10:33 p.m.

1 stop16h 33m

Houston George Bush Intcntl

Sat 2/5

6:00 p.m.-12:15 p.m.

2 stops17h 15m

C$ 566

Quickest round-trip

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 2/6

6:55 a.m.-4:09 p.m.

2 stops10h 14m

Houston Hobby

Sat 6/6

6:00 a.m.-5:35 p.m.

2 stops10h 35m

C$ 942

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 5/5

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

2 stops10h 33m

Houston Hobby

Fri 8/5

10:27 a.m.-12:20 a.m.

2 stops12h 53m

C$ 1,018

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$ 675. The month of October is another great option to travel to Houston, with average flight prices from Ottawa averaging around C$ 678.

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 19m
Direct flights	None

The fastest flight from Ottawa to Houston takes 6h 19m

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 19m.
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 April 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$ 489	Free Cancellation	Rating 7.4 9,581 reviews		Search United Airlines flights
Air Canada	PriceFrom C$ 574	Free Cancellation	Rating 7.1 10,923 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.