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Cheap flights from Houston to Ottawa from $170

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 to Ottawa departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:52 am - 5:03 pm
IAH
-
YOW
29h 11m
2 stops
Multiple Airlines Logo
7:00 am - 3:05 pm
YOW
-
IAH
9h 05m
1 stop
$449Multiple Airlines
Sat, Jul 4 - Mon, Aug 17
Multiple Airlines Logo
8:02 pm - 5:23 pm
IAH
-
YOW
20h 21m
2 stops
Multiple Airlines Logo
7:00 am - 2:51 pm
YOW
-
IAH
8h 51m
1 stop
$456Multiple Airlines
Mon, Aug 10 - Mon, Aug 31
Multiple Airlines Logo
8:36 am - 3:15 pm
IAH
-
YOW
29h 39m
1 stop
Multiple Airlines Logo
7:00 am - 3:06 pm
YOW
-
IAH
9h 06m
1 stop
$459Multiple Airlines
Fri, Sep 18 - Mon, Sep 21
Multiple Airlines Logo
8:16 am - 3:15 pm
IAH
-
YOW
29h 59m
1 stop
Multiple Airlines Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
$465Multiple Airlines
Sun, Aug 16 - Sun, Aug 30
Multiple Airlines Logo
8:29 am - 3:15 pm
IAH
-
YOW
29h 46m
1 stop
Multiple Airlines Logo
12:25 pm - 10:40 pm
YOW
-
IAH
11h 15m
2 stops
$469Multiple Airlines
Sun, Aug 23 - Thu, Sep 3
Delta Logo
11:00 am - 12:20 am
HOU
-
YOW
12h 20m
2 stops
Delta Logo
6:55 am - 10:35 pm
YOW
-
HOU
16h 40m
2 stops
$854Delta
Fri, Sep 18 - Mon, Sep 21
American Airlines Logo
6:14 pm - 9:20 pm
HOU
-
YOW
26h 06m
2 stops
American Airlines Logo
8:40 am - 7:51 pm
YOW
-
HOU
12h 11m
3 stops
$973American Airlines
Sat, Aug 22 - Tue, Sep 1
WestJet Logo
5:17 pm - 5:35 pm
HOU
-
YOW
23h 18m
2 stops
WestJet Logo
6:25 pm - 4:25 pm
YOW
-
HOU
23h 00m
2 stops
$1,004WestJet
Wed, Jul 15 - Wed, Aug 5
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
WestJet Logo
6:55 am - 4:25 pm
YOW
-
HOU
10h 30m
2 stops
$1,036WestJet
Sun, Aug 23 - Thu, Sep 3
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 9:51 pm
YOW
-
HOU
15h 56m
2 stops
$1,080Delta
Tue, Jul 14 - Tue, Jul 28

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American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Aug 22
HOU6:14 pmHouston Hobby
26h 06m
2 stops
YOW9:20 pmOttawa
Sep 1
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$973
American Airlines
Jul 14
HOU9:36 amHouston Hobby
10h 59m
2 stops
YOW9:35 pmOttawa
Aug 11
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$1,122
American Airlines
Jul 15
HOU6:03 amHouston Hobby
14h 17m
3 stops
YOW9:20 pmOttawa
Aug 12
YOW8:40 amOttawa
12h 11m
3 stops
HOU7:51 pmHouston Hobby
$1,138

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Aug 28
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Aug 30
YOW6:00 amOttawa
17h 40m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$554
WestJet
Aug 24
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Sep 3
YOW7:20 amOttawa
16h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$581
WestJet
Aug 24
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Sep 3
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$587

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 832,500 searches. Data last updated June 9, 2026.
Use the filters below to find and compare flights from Houston to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 7/4

10:52 am-5:03 pm

2 stops29h 11m

Ottawa

Mon 8/17

7:00 am-3:05 pm

1 stop9h 05m

$449

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 8/10

8:02 pm-5:23 pm

2 stops20h 21m

Ottawa

Mon 8/31

7:00 am-2:51 pm

1 stop8h 51m

$456

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 9/18

8:36 am-3:15 pm

1 stop29h 39m

Ottawa

Mon 9/21

7:00 am-3:06 pm

1 stop9h 06m

$459

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/16

8:16 am-3:15 pm

1 stop29h 59m

Ottawa

Sun 8/30

12:25 pm-10:40 pm

2 stops11h 15m

$465

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/23

8:29 am-3:15 pm

1 stop29h 46m

Ottawa

Thu 9/3

12:25 pm-10:40 pm

2 stops11h 15m

$469

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 9/18

11:00 am-12:20 am

2 stops12h 20m

Ottawa

Mon 9/21

6:55 am-10:35 pm

2 stops16h 40m

$854

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 8/22

6:14 pm-9:20 pm

2 stops26h 06m

Ottawa

Tue 9/1

8:40 am-7:51 pm

3 stops12h 11m

$973

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 7/15

5:17 pm-5:35 pm

2 stops23h 18m

Ottawa

Wed 8/5

6:25 pm-4:25 pm

2 stops23h 00m

$1,004
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 8/23

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Thu 9/3

6:55 am-4:25 pm

2 stops10h 30m

$1,036

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 7/14

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 7/28

6:55 am-9:51 pm

2 stops15h 56m

$1,080

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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

What is the cheapest month to fly to Ottawa?

In general, November is the cheapest month to fly from Houston to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $156. The month of June is another great option to travel to Ottawa, with average flight prices from Houston averaging around $274.

Cheap Houston to Ottawa flight deals and tips

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

Fastest flight time

6h 10m

Direct flights

None
The fastest flight from Houston to Ottawa takes 6h 10m
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?

    The straight-line distance from Houston to Ottawa is 1517.5 mi. Flights usually cover this in 6h 10m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Houston to Ottawa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston to Ottawa Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Ottawa Airport 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 Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Ottawa

Compare and see reviews for airlines that fly from Houston to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $351Free CancellationRating
7.4
9,796 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,149 reviews
Search Air Canada flights

Traveling to a place near Ottawa?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Ottawa for you.

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

momondo does allow users to show only those flights to Ottawa from Houston which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Ottawa from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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