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Cheap flights from Houston George Bush Intcntl Airport to Ottawa from C$ 168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Ottawa departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Ottawa (IAH-YOW)

Cheap round-trip flights

WestJet Logo
1:35 p.m. - 12:45 a.m.IAH-YOW
10h 10m1 stop
WestJet Logo
6:00 a.m. - 5:29 p.m.YOW-IAH
12h 29m1 stop
C$ 436WestJet
Find Deal
Thu, 27 Nov - Sat, 29 Nov
Logo
5:48 p.m. - 4:57 p.m.IAH-YOW
22h 09m1 stop
Logo
3:50 p.m. - 11:56 p.m.YOW-IAH
9h 06m1 stop
C$ 441
Find Deal
Mon, 8 Sep - Sat, 13 Sep
Logo
5:45 a.m. - 5:06 p.m.IAH-YOW
10h 21m1 stop
Logo
3:50 p.m. - 11:08 p.m.YOW-IAH
8h 18m1 stop
C$ 445
Find Deal
Wed, 20 Aug - Wed, 27 Aug
Logo
5:45 a.m. - 5:06 p.m.IAH-YOW
10h 21m1 stop
Logo
7:00 a.m. - 6:11 p.m.YOW-IAH
12h 11m2 stops
C$ 460
Find Deal
Wed, 20 Aug - Wed, 27 Aug
Logo
5:30 a.m. - 8:35 p.m.IAH-YOW
14h 05m2 stops
Logo
4:25 p.m. - 11:52 a.m.YOW-IAH
20h 27m1 stop
C$ 466
Find Deal
Wed, 17 Sep - Tue, 23 Sep
Logo
5:30 a.m. - 8:35 p.m.IAH-YOW
14h 05m2 stops
Logo
4:25 p.m. - 8:24 a.m.YOW-IAH
16h 59m1 stop
C$ 467
Find Deal
Mon, 8 Sep - Sat, 13 Sep
Logo
5:34 a.m. - 12:22 a.m.IAH-YOW
17h 48m2 stops
Logo
9:20 a.m. - 12:17 a.m.YOW-IAH
15h 57m1 stop
C$ 469
Find Deal
Thu, 23 Oct - Thu, 30 Oct
Logo
8:30 a.m. - 3:56 p.m.IAH-YOW
6h 26m1 stop
Logo
4:25 p.m. - 8:24 a.m.YOW-IAH
16h 59m1 stop
C$ 470
Find Deal
Sat, 6 Sep - Sun, 7 Sep
WestJet Logo
1:35 p.m. - 12:45 a.m.IAH-YOW
10h 10m1 stop
WestJet Logo
6:00 a.m. - 5:29 p.m.YOW-IAH
12h 29m1 stop
C$ 481WestJet
Find Deal
Thu, 27 Nov - Sat, 29 Nov
Logo
5:37 a.m. - 5:20 p.m.IAH-YOW
10h 43m1 stop
Logo
4:25 p.m. - 8:24 a.m.YOW-IAH
16h 59m1 stop
C$ 485
Find Deal
Fri, 12 Sep - Sun, 14 Sep

WestJet flights from Houston George Bush Intcntl Airport to Ottawa

Our best WestJet deals on Houston George Bush Intcntl Airport to Ottawa flight tickets
WestJet
27 Nov
IAH1:35 p.m.Houston George Bush Intcntl
10h 10m
1 stop
YOW12:45 a.m.Ottawa
29 Nov
YOW6:00 a.m.Ottawa
12h 29m
1 stop
IAH5:29 p.m.Houston George Bush Intcntl
C$ 436
Find similar
WestJet
27 Nov
IAH1:35 p.m.Houston George Bush Intcntl
10h 10m
1 stop
YOW12:45 a.m.Ottawa
29 Nov
YOW6:00 a.m.Ottawa
12h 29m
1 stop
IAH5:29 p.m.Houston George Bush Intcntl
C$ 481
Find similar
WestJet
12 Sep
IAH3:00 p.m.Houston George Bush Intcntl
22h 56m
1 stop
YOW2:56 p.m.Ottawa
15 Sep
YOW7:15 p.m.Ottawa
19h 55m
1 stop
IAH2:10 p.m.Houston George Bush Intcntl
C$ 502
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momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 6 August 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 27/11

1:35 p.m.-12:45 a.m.

1 stop10h 10m

Ottawa

Sat 29/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

C$ 436

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 8/9

5:48 p.m.-4:57 p.m.

1 stop22h 09m

Ottawa

Sat 13/9

3:50 p.m.-11:56 p.m.

1 stop9h 06m

C$ 441

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 20/8

5:45 a.m.-5:06 p.m.

1 stop10h 21m

Ottawa

Wed 27/8

3:50 p.m.-11:08 p.m.

1 stop8h 18m

C$ 445

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 20/8

5:45 a.m.-5:06 p.m.

1 stop10h 21m

Ottawa

Wed 27/8

7:00 a.m.-6:11 p.m.

2 stops12h 11m

C$ 460

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 17/9

5:30 a.m.-8:35 p.m.

2 stops14h 05m

Ottawa

Tue 23/9

4:25 p.m.-11:52 a.m.

1 stop20h 27m

C$ 466

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 8/9

5:30 a.m.-8:35 p.m.

2 stops14h 05m

Ottawa

Sat 13/9

4:25 p.m.-8:24 a.m.

1 stop16h 59m

C$ 467

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 23/10

5:34 a.m.-12:22 a.m.

2 stops17h 48m

Ottawa

Thu 30/10

9:20 a.m.-12:17 a.m.

1 stop15h 57m

C$ 469

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 6/9

8:30 a.m.-3:56 p.m.

1 stop6h 26m

Ottawa

Sun 7/9

4:25 p.m.-8:24 a.m.

1 stop16h 59m

C$ 470

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 27/11

1:35 p.m.-12:45 a.m.

1 stop10h 10m

Ottawa

Sat 29/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

C$ 481

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/9

5:37 a.m.-5:20 p.m.

1 stop10h 43m

Ottawa

Sun 14/9

4:25 p.m.-8:24 a.m.

1 stop16h 59m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport 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

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Ottawa?

What is the cheapest day to depart on your flight to Ottawa?

Our data shows that Saturday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 565. Flights from Houston George Bush Intcntl Airport to Ottawa on a Wednesday will generally be more expensive and average around C$ 1,060. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ottawa?

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from Houston George Bush Intcntl Airport to Ottawa during this time can be as low as C$ 936. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,060 per ticket.

When to book flights from Houston George Bush Intcntl Airport to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Ottawa (IAH to YOW) flight deals and tips

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

Best price found

C$ 168

Fastest flight time

6h 26m

Direct flights

None

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Houston George Bush Intcntl Airport in the past 72 hours is C$ 168. The best round-trip flight deal from Houston George Bush Intcntl Airport to Ottawa found on momondo in the last 72 hours is C$ 436.
The fastest flight from Houston George Bush Intcntl Airport to Ottawa takes 6h 26m
There are no direct flights from Houston George Bush Intcntl Airport to Ottawa. Popular non-direct route for this connection is Houston George Bush Intcntl Airport - Ottawa Airport.
There is 1 airport near Ottawa: Ottawa (YOW)
Search flight deals

  • How far is Houston George Bush Intcntl to Ottawa by plane?

    Ottawa is 2420.9 km away from Houston George Bush Intcntl. 6h 26m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Ottawa Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Ottawa Airport refresh daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Ottawa Airport.

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

    The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Brockville
Smiths Falls
Wakefield
Perth
Calabogie
Prescott
Petawawa
Winchester

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Ottawa. momondo saves you time and could save you money on your trip.

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

Flights from Houston to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from Houston.

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

If you are simply researching potential flights to Ottawa, momondo offers a useful price alert feature which will track prices for flights to Ottawa from Houston and alert you when they change.

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