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

WestJet, United Airlines, and Delta are the most popular carriers operating from Houston to Ottawa

When did momondo last update prices for flights from Houston to Ottawa Airport?

Prices for flights from Houston to Ottawa Airport refresh daily.

How old do you have to be to fly from Houston to Ottawa Airport?

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 Houston to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 352 Cheap Flights from Houston to Ottawa in 2026

Find the cheapest flights from Houston to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:27 a.m. - 12:20 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

14h 53m2 stops Fort Lauderdale Toronto Pearson Intl

7:15 a.m. - 2:48 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 33m1 stop Fort Lauderdale

C$ 512Multiple Airlines

Thu, 22 Oct - Sat, 24 Oct

6:30 a.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

9h 45m1 stop Calgary

7:00 a.m. - 10:09 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

40h 09m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 515Multiple Airlines

Fri, 16 Oct - Fri, 23 Oct

6:30 a.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

9h 45m1 stop Calgary

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

C$ 583WestJet

Mon, 28 Sep - Tue, 29 Sep

6:30 a.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

9h 45m1 stop Calgary

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

C$ 600WestJet

Fri, 16 Oct - Fri, 23 Oct

12:44 p.m. - 7:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 36m2 stops Phoenix Sky Harbor Intl Calgary

7:05 a.m. - 2:44 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

8h 39m1 stop Fort Lauderdale

C$ 619Multiple Airlines

Tue, 13 Oct - Tue, 27 Oct

9:04 p.m. - 11:48 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

25h 44m2 stops Atlanta Hartsfield-Jackson Orlando

7:15 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 02m1 stop Fort Lauderdale

C$ 622Multiple Airlines

Sun, 27 Sep - Mon, 5 Oct

1:50 p.m. - 2:30 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 40m1 stop Calgary

6:10 a.m. - 10:15 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

17h 05m1 stop Calgary

C$ 633WestJet

Thu, 26 Nov - Thu, 10 Dec

8:00 a.m. - 12:01 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

15h 01m1 stop Calgary

6:10 a.m. - 10:15 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

17h 05m1 stop Calgary

C$ 637WestJet

Sat, 21 Nov - Tue, 24 Nov

8:25 a.m. - 12:20 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

14h 55m2 stops Fort Lauderdale Toronto Pearson Intl

7:15 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 02m1 stop Fort Lauderdale

C$ 638Multiple Airlines

Thu, 1 Oct - Mon, 5 Oct

2:50 p.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

7:00 a.m. - 10:30 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 30m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 641Multiple Airlines

Tue, 29 Sep - Sat, 3 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

8:40 p.m. - 12:50 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

27h 10m2 stops Santiago de Querétaro Cancun

7:00 a.m. - 3:24 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 24m1 stop Fort Lauderdale

C$ 1,325Multiple Airlines

Thu, 3 Sep - Mon, 7 Sep

8:55 p.m. - 12:50 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 55m2 stops Mexico City Benito Juarez Cancun

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

C$ 1,348Multiple Airlines

Fri, 4 Sep - Wed, 9 Sep

10:00 a.m. - 7:45 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

8h 45m1 stop Montreal Pierre Elliott Trudeau Intl

5:10 a.m. - 11:07 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 57m1 stop Toronto Pearson Intl

C$ 1,385Air Canada

Sat, 5 Sep - Sun, 13 Sep

8:55 p.m. - 12:50 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 55m2 stops Mexico City Benito Juarez Cancun

2:00 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

24h 55m2 stops Hamilton Calgary

C$ 1,465Multiple Airlines

Fri, 4 Sep - Wed, 9 Sep

8:55 p.m. - 12:50 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 55m2 stops Mexico City Benito Juarez Cancun

8:00 a.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

30h 55m3 stops Halifax Intl Hamilton Calgary

C$ 1,493Multiple Airlines

Fri, 4 Sep - Wed, 9 Sep

2:50 p.m. - 3:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 30m1 stop Calgary

1:20 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

10h 20m1 stop Calgary

C$ 1,553WestJet

Sat, 5 Sep - Sun, 13 Sep

5:20 a.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 15m2 stops Detroit Metropolitan Wayne County Calgary

1:20 p.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

10h 20m1 stop Calgary

C$ 1,611WestJet

Sat, 5 Sep - Sun, 13 Sep

5:20 a.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 15m2 stops Detroit Metropolitan Wayne County Calgary

7:20 a.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 20m1 stop Calgary

C$ 1,626WestJet

Sat, 5 Sep - Sun, 13 Sep

2:50 p.m. - 11:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

19h 45m2 stops Calgary Winnipeg

6:55 a.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 45m2 stops Toronto Pearson Intl Calgary

C$ 1,650WestJet

Sat, 5 Sep - Sun, 13 Sep

8:35 a.m. - 3:07 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 32m1 stop Fort Lauderdale

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

C$ 1,651Multiple Airlines

Fri, 4 Sep - Wed, 9 Sep

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WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

28 Sep

IAH6:30 a.m.Houston George Bush Intcntl

9h 45m

1 stop

YOW5:15 p.m.Ottawa

29 Sep

YOW8:15 p.m.Ottawa

18h 40m

1 stop

IAH1:55 p.m.Houston George Bush Intcntl

C$ 583

WestJet

16 Oct

IAH6:30 a.m.Houston George Bush Intcntl

9h 45m

1 stop

YOW5:15 p.m.Ottawa

23 Oct

YOW8:15 p.m.Ottawa

18h 40m

1 stop

IAH1:55 p.m.Houston George Bush Intcntl

C$ 600

WestJet

26 Nov

IAH1:50 p.m.Houston George Bush Intcntl

23h 40m

1 stop

YOW2:30 p.m.Ottawa

10 Dec

YOW6:10 a.m.Ottawa

17h 05m

1 stop

IAH10:15 p.m.Houston George Bush Intcntl

C$ 633

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets

American Airlines

29 Sep

HOU6:04 a.m.Houston Hobby

12h 56m

3 stops

YOW8:00 p.m.Ottawa

3 Oct

YOW7:00 a.m.Ottawa

13h 48m

3 stops

HOU7:48 p.m.Houston Hobby

C$ 1,503

American Airlines

19 Oct

HOU5:06 p.m.Houston Hobby

20h 49m

3 stops

YOW2:55 p.m.Ottawa

23 Oct

YOW7:00 a.m.Ottawa

13h 49m

3 stops

HOU7:49 p.m.Houston Hobby

C$ 1,728

American Airlines

9 Sep

HOU6:04 a.m.Houston Hobby

12h 56m

3 stops

YOW8:00 p.m.Ottawa

12 Sep

YOW7:00 a.m.Ottawa

13h 48m

3 stops

HOU7:48 p.m.Houston Hobby

C$ 1,908

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 22/10

8:27 a.m.-12:20 a.m.

2 stops14h 53m

Ottawa

Sat 24/10

7:15 a.m.-2:48 p.m.

1 stop8h 33m

C$ 512

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 16/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

Ottawa

Fri 23/10

7:00 a.m.-10:09 p.m.

2 stops40h 09m

C$ 515

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 28/9

6:30 a.m.-5:15 p.m.

1 stop9h 45m

Ottawa

Tue 29/9

8:15 p.m.-1:55 p.m.

1 stop18h 40m

C$ 583

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 16/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

Ottawa

Fri 23/10

8:15 p.m.-1:55 p.m.

1 stop18h 40m

C$ 600

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Tue 13/10

12:44 p.m.-7:20 p.m.

2 stops29h 36m

Ottawa

Tue 27/10

7:05 a.m.-2:44 p.m.

1 stop8h 39m

C$ 619

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 27/9

9:04 p.m.-11:48 p.m.

2 stops25h 44m

Ottawa

Mon 5/10

7:15 a.m.-3:17 p.m.

1 stop9h 02m

C$ 622

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 26/11

1:50 p.m.-2:30 p.m.

1 stop23h 40m

Ottawa

Thu 10/12

6:10 a.m.-10:15 p.m.

1 stop17h 05m

C$ 633

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sat 21/11

8:00 a.m.-12:01 a.m.

1 stop15h 01m

Ottawa

Tue 24/11

6:10 a.m.-10:15 p.m.

1 stop17h 05m

C$ 637

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 1/10

8:25 a.m.-12:20 a.m.

2 stops14h 55m

Ottawa

Mon 5/10

7:15 a.m.-3:17 p.m.

1 stop9h 02m

C$ 638

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Tue 29/9

2:50 p.m.-5:35 a.m.

1 stop13h 45m

Ottawa

Sat 3/10

7:00 a.m.-10:30 p.m.

2 stops16h 30m

C$ 641

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 Houston to Ottawa

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 Ottawa?

The month of August is, on average, the cheapest month to fly to Ottawa from Houston, with most prices found around C$ 0. If you aren’t able to travel to Ottawa during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 0.

Cheap Houston to Ottawa flight deals and tips

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

Best price found	C$ 352
Fastest flight time	5h 49m
Direct flights	None

The best one-way flight to Ottawa from Houston in the past 72 hours is C$ 352. The best round-trip flight deal from Houston to Ottawa found on momondo in the last 72 hours is C$ 512.

The fastest flight from Houston to Ottawa takes 5h 49m

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

Search flight deals

Frequently asked questions about flying from Houston to Ottawa

How far is Houston to Ottawa by plane?
A flight from Houston to Ottawa will travel around 2442.2 km. Typically, this will take 5h 49m by plane in normal conditions.
When did momondo last update prices for flights from Houston to Ottawa Airport?
Prices for flights from Houston to Ottawa Airport refresh daily.
How old do you have to be to fly from Houston to Ottawa Airport?
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 Houston to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why should I use momondo to find a flight deal from Houston to Ottawa?

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Can I find flights from Houston to Ottawa with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Ottawa flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Ottawa?

momondo helps you find the best flight between Houston and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Ottawa right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Ottawa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.