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

WestJet is the most popular carrier 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$ 228 Cheap Flights from Houston to Ottawa in 2026/27

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.

5:01 p.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 14m2 stops Fort Lauderdale Hamilton

7:05 a.m. - 4:06 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

10h 01m1 stop Fort Lauderdale

C$ 519Multiple Airlines

Wed, 9 Dec - Tue, 15 Dec

5:01 p.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 19m1 stop Fort Lauderdale

7:05 a.m. - 4:06 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

10h 01m1 stop Fort Lauderdale

C$ 523Multiple Airlines

Wed, 9 Dec - Tue, 15 Dec

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

15h 01m1 stop Calgary

7:05 a.m. - 4:06 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

10h 01m1 stop Fort Lauderdale

C$ 547Multiple Airlines

Thu, 10 Dec - Tue, 15 Dec

8:18 a.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

8h 02m1 stop Fort Lauderdale

8:00 a.m. - 12:09 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

29h 09m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 554Multiple Airlines

Fri, 30 Oct - Fri, 6 Nov

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

16h 00m1 stop Calgary

4:20 p.m. - 10:15 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

30h 55m1 stop Calgary

C$ 555WestJet

Sat, 31 Oct - Sat, 7 Nov

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

15h 01m1 stop Calgary

4:35 p.m. - 1:20 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

45h 45m2 stops Tampa Atlanta Hartsfield-Jackson

C$ 560Multiple Airlines

Thu, 10 Dec - Tue, 15 Dec

8:18 a.m. - 5:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

8h 02m1 stop Fort Lauderdale

8:00 a.m. - 9:21 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

26h 21m1 stop Orlando

C$ 576Multiple Airlines

Fri, 30 Oct - Fri, 6 Nov

8:18 a.m. - 5:58 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

32h 40m2 stops Fort Lauderdale Toronto Pearson Intl

4:20 p.m. - 10:15 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

30h 55m1 stop Calgary

C$ 578Multiple Airlines

Mon, 2 Nov - Sat, 7 Nov

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

16h 00m1 stop Calgary

8:00 a.m. - 9:53 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

38h 53m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 590Multiple Airlines

Sat, 31 Oct - Fri, 6 Nov

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

15h 01m1 stop Calgary

8:00 a.m. - 9:53 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

38h 53m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 623Multiple Airlines

Mon, 2 Nov - Fri, 6 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

17h 08m1 stop Orlando

2:10 p.m. - 7:17 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 07m2 stops Newark Atlanta Hartsfield-Jackson

C$ 1,093Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

12:08 p.m. - 2:33 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

25h 25m3 stops Atlanta Hartsfield-Jackson Cleveland Hopkins Intl Orlando

2:10 p.m. - 7:17 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 07m2 stops Newark Atlanta Hartsfield-Jackson

C$ 1,097Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

10:11 a.m. - 11:48 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

12h 37m2 stops Raleigh-Durham Orlando

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

25h 17m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 1,109Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

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

21h 21m2 stops Baltimore/Washington Orlando

2:10 p.m. - 7:17 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 07m2 stops Newark Atlanta Hartsfield-Jackson

C$ 1,116Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

6:25 a.m. - 11:48 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

16h 23m2 stops Denver Intl Orlando

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

9h 17m1 stop Fort Lauderdale

C$ 1,186Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

8:55 p.m. - 12:20 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

26h 25m3 stops Mexico City Benito Juarez Cancun Toronto Pearson Intl

10:40 a.m. - 7:17 a.m.YOW Ottawa-IAH Houston George Bush Intcntl

21h 37m3 stops Toronto Island Washington, D.C. Dulles Intl Atlanta Hartsfield-Jackson

C$ 1,218Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

10:11 a.m. - 11:48 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

12h 37m2 stops Raleigh-Durham Orlando

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

25h 17m3 stops Toronto Pearson Intl Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 1,241Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

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

17h 08m1 stop Orlando

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

10h 20m1 stop Calgary

C$ 1,248Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

12:21 p.m. - 11:48 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

10h 27m1 stop Orlando

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

9h 17m1 stop Fort Lauderdale

C$ 1,277Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

10:38 p.m. - 12:25 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

24h 47m3 stops Denver Intl Las Vegas Harry Reid Intl Toronto Pearson Intl

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

25h 17m3 stops Toronto Pearson Intl Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 1,547Multiple Airlines

Mon, 21 Sep - Mon, 28 Sep

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WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets

WestJet

31 Oct

IAH8:00 a.m.Houston George Bush Intcntl

16h 00m

1 stop

YOW1:00 a.m.Ottawa

7 Nov

YOW4:20 p.m.Ottawa

30h 55m

1 stop

IAH10:15 p.m.Houston George Bush Intcntl

C$ 555

WestJet

2 Nov

IAH8:00 a.m.Houston George Bush Intcntl

15h 01m

1 stop

YOW12:01 a.m.Ottawa

7 Nov

YOW4:20 p.m.Ottawa

30h 55m

1 stop

IAH10:15 p.m.Houston George Bush Intcntl

C$ 639

WestJet

10 Dec

IAH8:00 a.m.Houston George Bush Intcntl

15h 01m

1 stop

YOW12:01 a.m.Ottawa

15 Dec

YOW6:10 a.m.Ottawa

17h 05m

1 stop

IAH10:15 p.m.Houston George Bush Intcntl

C$ 645

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets

American Airlines

2 Oct

IAH5:17 p.m.Houston George Bush Intcntl

25h 43m

2 stops

YOW8:00 p.m.Ottawa

14 Nov

YOW7:00 a.m.Ottawa

10h 47m

2 stops

IAH4:47 p.m.Houston George Bush Intcntl

C$ 1,308

American Airlines

29 Oct

HOU6:00 a.m.Houston Hobby

10h 58m

2 stops

YOW5:58 p.m.Ottawa

5 Nov

YOW7:00 a.m.Ottawa

13h 39m

3 stops

HOU7:39 p.m.Houston Hobby

C$ 1,314

American Airlines

31 Oct

HOU6:00 a.m.Houston Hobby

10h 58m

2 stops

YOW5:58 p.m.Ottawa

6 Nov

YOW7:00 a.m.Ottawa

13h 39m

3 stops

HOU7:39 p.m.Houston Hobby

C$ 1,435

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Wed 9/12

5:01 p.m.-5:15 p.m.

2 stops23h 14m

Ottawa

Tue 15/12

7:05 a.m.-4:06 p.m.

1 stop10h 01m

C$ 519

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Wed 9/12

5:01 p.m.-5:20 p.m.

1 stop23h 19m

Ottawa

Tue 15/12

7:05 a.m.-4:06 p.m.

1 stop10h 01m

C$ 523

Quickest round-trip

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 10/12

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

1 stop15h 01m

Ottawa

Tue 15/12

7:05 a.m.-4:06 p.m.

1 stop10h 01m

C$ 547

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 30/10

8:18 a.m.-5:20 p.m.

1 stop8h 02m

Ottawa

Fri 6/11

8:00 a.m.-12:09 p.m.

2 stops29h 09m

C$ 554

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sat 31/10

8:00 a.m.-1:00 a.m.

1 stop16h 00m

Ottawa

Sat 7/11

4:20 p.m.-10:15 p.m.

1 stop30h 55m

C$ 555

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Thu 10/12

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

1 stop15h 01m

Ottawa

Tue 15/12

4:35 p.m.-1:20 p.m.

2 stops45h 45m

C$ 560

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 30/10

8:18 a.m.-5:20 p.m.

1 stop8h 02m

Ottawa

Fri 6/11

8:00 a.m.-9:21 a.m.

1 stop26h 21m

C$ 576

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 2/11

8:18 a.m.-5:58 p.m.

2 stops32h 40m

Ottawa

Sat 7/11

4:20 p.m.-10:15 p.m.

1 stop30h 55m

C$ 578

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sat 31/10

8:00 a.m.-1:00 a.m.

1 stop16h 00m

Ottawa

Fri 6/11

8:00 a.m.-9:53 p.m.

2 stops38h 53m

C$ 590

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 2/11

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

1 stop15h 01m

Ottawa

Fri 6/11

8:00 a.m.-9:53 p.m.

2 stops38h 53m

C$ 623

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$ 228
Fastest flight time	5h 49m
Direct flights	None

The best one-way flight to Ottawa from Houston in the past 72 hours is C$ 228. The best round-trip flight deal from Houston to Ottawa found on momondo in the last 72 hours is C$ 519.

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.