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

WestJet and American Airlines 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$ 194 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.

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

9h 45m1 stop Calgary

7:00 a.m. - 9:38 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

15h 38m1 stop Orlando

C$ 487Multiple Airlines

Mon, 19 Oct - Fri, 23 Oct

8:35 p.m. - 5:35 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

20h 00m2 stops Orlando Toronto Pearson Intl

7:00 a.m. - 9:38 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

15h 38m1 stop Orlando

C$ 503Multiple Airlines

Mon, 19 Oct - Fri, 23 Oct

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

14h 53m2 stops Fort Lauderdale Toronto Pearson Intl

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

8h 39m1 stop Fort Lauderdale

C$ 509Multiple Airlines

Thu, 22 Oct - Tue, 27 Oct

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

14h 53m2 stops Fort Lauderdale Toronto Pearson Intl

3:25 p.m. - 2:48 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

24h 23m1 stop Fort Lauderdale

C$ 554Multiple Airlines

Thu, 22 Oct - Sun, 25 Oct

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

14h 55m2 stops Fort Lauderdale Toronto Pearson Intl

7:00 a.m. - 9:27 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

27h 27m1 stop Orlando

C$ 563Multiple Airlines

Fri, 2 Oct - Fri, 9 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$ 611WestJet

Thu, 12 Nov - Thu, 26 Nov

1:50 p.m. - 3:14 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

24h 24m2 stops Calgary Winnipeg

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

17h 05m1 stop Calgary

C$ 622Multiple Airlines

Fri, 20 Nov - Thu, 26 Nov

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

15h 01m1 stop Calgary

6:10 a.m. - 1:00 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

31h 50m1 stop Calgary

C$ 626WestJet

Fri, 20 Nov - Wed, 25 Nov

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

15h 01m1 stop Calgary

7:00 a.m. - 10:15 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 15m2 stops Toronto Pearson Intl Calgary

C$ 626Multiple Airlines

Thu, 12 Nov - Thu, 26 Nov

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

15h 01m1 stop Calgary

7:05 a.m. - 10:31 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 26m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 627Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

5:49 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

19h 44m2 stops Las Vegas Harry Reid Intl Orlando

7:00 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 17m1 stop Fort Lauderdale

C$ 804Multiple Airlines

Thu, 10 Sep - Sat, 12 Sep

8:25 a.m. - 5:35 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

32h 10m2 stops Fort Lauderdale Toronto Pearson Intl

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

10h 20m1 stop Calgary

C$ 832Multiple Airlines

Sat, 12 Sep - Thu, 17 Sep

8:25 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

17h 08m1 stop Orlando

7:00 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 17m1 stop Fort Lauderdale

C$ 987Multiple Airlines

Thu, 10 Sep - Sat, 12 Sep

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

13h 45m1 stop Calgary

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

16h 20m1 stop Calgary

C$ 1,085WestJet

Sat, 12 Sep - Thu, 17 Sep

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

25h 45m3 stops Calgary Edmonton Montreal Pierre Elliott Trudeau Intl

8:35 a.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

15h 05m1 stop Calgary

C$ 1,090Multiple Airlines

Sat, 12 Sep - Thu, 17 Sep

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

25h 45m3 stops Calgary Edmonton Montreal Pierre Elliott Trudeau Intl

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

16h 45m2 stops Toronto Pearson Intl Calgary

C$ 1,153Multiple Airlines

Sat, 12 Sep - Thu, 17 Sep

9:04 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

16h 29m2 stops Atlanta Hartsfield-Jackson Orlando

7:00 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 17m1 stop Fort Lauderdale

C$ 1,158Multiple Airlines

Thu, 10 Sep - Sat, 12 Sep

9:04 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

16h 29m2 stops Atlanta Hartsfield-Jackson Orlando

7:00 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 17m1 stop Fort Lauderdale

C$ 1,160Multiple Airlines

Thu, 10 Sep - Sat, 12 Sep

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

25h 45m3 stops Calgary Edmonton Montreal Pierre Elliott Trudeau Intl

7:00 a.m. - 10:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

16h 40m3 stops Toronto Pearson Intl Edmonton Calgary

C$ 1,173Multiple Airlines

Sat, 12 Sep - Thu, 17 Sep

4:12 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

45h 21m2 stops Baltimore/Washington Orlando

7:00 a.m. - 3:17 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 17m1 stop Fort Lauderdale

C$ 1,182Multiple Airlines

Wed, 9 Sep - Sat, 12 Sep

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American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets

American Airlines

4 Nov

HOU6:00 a.m.Houston Hobby

10h 58m

2 stops

YOW5:58 p.m.Ottawa

11 Nov

YOW7:00 a.m.Ottawa

13h 39m

3 stops

HOU7:39 p.m.Houston Hobby

C$ 1,219

American Airlines

4 Nov

HOU6:00 a.m.Houston Hobby

10h 58m

2 stops

YOW5:58 p.m.Ottawa

12 Nov

YOW7:00 a.m.Ottawa

13h 39m

3 stops

HOU7:39 p.m.Houston Hobby

C$ 1,396

American Airlines

4 Nov

HOU6:00 a.m.Houston Hobby

10h 58m

3 stops

YOW5:58 p.m.Ottawa

11 Nov

YOW7:00 a.m.Ottawa

13h 39m

3 stops

HOU7:39 p.m.Houston Hobby

C$ 1,413

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

28 Sep

IAH2:50 p.m.Houston George Bush Intcntl

25h 25m

1 stop

YOW5:15 p.m.Ottawa

30 Sep

YOW8:15 p.m.Ottawa

27h 25m

1 stop

IAH10:40 p.m.Houston George Bush Intcntl

C$ 589

WestJet

12 Nov

IAH1:50 p.m.Houston George Bush Intcntl

23h 40m

1 stop

YOW2:30 p.m.Ottawa

26 Nov

YOW6:10 a.m.Ottawa

17h 05m

1 stop

IAH10:15 p.m.Houston George Bush Intcntl

C$ 611

WestJet

4 Nov

IAH8:00 a.m.Houston George Bush Intcntl

15h 01m

1 stop

YOW12:01 a.m.Ottawa

11 Nov

YOW6:10 a.m.Ottawa

17h 05m

1 stop

IAH10:15 p.m.Houston George Bush Intcntl

C$ 630

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 19/10

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

1 stop9h 45m

Ottawa

Fri 23/10

7:00 a.m.-9:38 p.m.

1 stop15h 38m

C$ 487

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 19/10

8:35 p.m.-5:35 p.m.

2 stops20h 00m

Ottawa

Fri 23/10

7:00 a.m.-9:38 p.m.

1 stop15h 38m

C$ 503

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

Tue 27/10

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

1 stop8h 39m

C$ 509

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

Sun 25/10

3:25 p.m.-2:48 p.m.

1 stop24h 23m

C$ 554

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 2/10

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

2 stops14h 55m

Ottawa

Fri 9/10

7:00 a.m.-9:27 a.m.

1 stop27h 27m

C$ 563

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 12/11

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

1 stop23h 40m

Ottawa

Thu 26/11

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

1 stop17h 05m

C$ 611

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 20/11

1:50 p.m.-3:14 p.m.

2 stops24h 24m

Ottawa

Thu 26/11

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

1 stop17h 05m

C$ 622

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 20/11

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

1 stop15h 01m

Ottawa

Wed 25/11

6:10 a.m.-1:00 p.m.

1 stop31h 50m

C$ 626

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 12/11

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

1 stop15h 01m

Ottawa

Thu 26/11

7:00 a.m.-10:15 p.m.

2 stops16h 15m

C$ 626

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Wed 4/11

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

1 stop15h 01m

Ottawa

Wed 11/11

7:05 a.m.-10:31 p.m.

2 stops16h 26m

C$ 627

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$ 194
Fastest flight time	6h 16m
Direct flights	None

The best one-way flight to Ottawa from Houston in the past 72 hours is C$ 194. The best round-trip flight deal from Houston to Ottawa found on momondo in the last 72 hours is C$ 487.

The fastest flight from Houston to Ottawa takes 6h 16m

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 6h 16m 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.