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Cheap flights from Houston to Ottawa from $202

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 6/23. 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

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Find the cheapest flights from Houston to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 12:25 pm
IAH
-
YOW
28h 55m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$466Multiple Airlines
Tue, Jun 30 - Mon, Jul 20
Multiple Airlines Logo
6:30 am - 5:37 pm
IAH
-
YOW
34h 07m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$471Multiple Airlines
Tue, Jun 23 - Sat, Jul 11
Multiple Airlines Logo
10:52 am - 12:25 pm
IAH
-
YOW
24h 33m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$493Multiple Airlines
Sat, Jul 4 - Mon, Jul 20
Multiple Airlines Logo
8:55 pm - 2:57 pm
IAH
-
YOW
17h 02m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$497Multiple Airlines
Fri, Jul 3 - Mon, Jul 20
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
$823Delta
Wed, Jul 8 - Tue, Jul 14
Delta Logo
6:03 am - 12:20 am
HOU
-
YOW
17h 17m
2 stops
Delta Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
$876Delta
Tue, Jun 23 - Thu, Jun 25
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
34h 35m
2 stops
WestJet Logo
6:25 pm - 4:22 pm
YOW
-
HOU
22h 57m
2 stops
$921WestJet
Sat, Jul 11 - Mon, Jul 13
Delta Logo
6:03 am - 12:20 am
HOU
-
YOW
17h 17m
2 stops
Delta Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
$961Delta
Tue, Jun 23 - Tue, Jun 30
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
41h 20m
2 stops
WestJet Logo
6:25 pm - 10:05 pm
YOW
-
HOU
28h 40m
2 stops
$1,047WestJet
Sat, Aug 15 - Mon, Aug 17
WestJet Logo
6:03 am - 5:35 pm
HOU
-
YOW
34h 32m
2 stops
WestJet Logo
6:55 am - 9:43 pm
YOW
-
HOU
15h 48m
2 stops
$1,085WestJet
Sat, Jun 27 - Sat, Jul 4

Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
Jul 8
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Jul 14
YOW6:55 amOttawa
15h 56m
2 stops
HOU9:51 pmHouston Hobby
$823
Delta
Jun 23
HOU6:03 amHouston Hobby
17h 17m
2 stops
YOW12:20 amOttawa
Jun 25
YOW6:55 amOttawa
15h 48m
2 stops
HOU9:43 pmHouston Hobby
$876
Delta
Jun 23
HOU6:03 amHouston Hobby
17h 17m
2 stops
YOW12:20 amOttawa
Jun 30
YOW6:55 amOttawa
15h 48m
2 stops
HOU9:43 pmHouston Hobby
$961

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Jul 8
HOU9:36 amHouston Hobby
10h 44m
2 stops
YOW9:20 pmOttawa
Jul 14
YOW7:00 amOttawa
12h 19m
3 stops
HOU6:19 pmHouston Hobby
$1,379
American Airlines
Jun 29
HOU6:48 pmHouston Hobby
25h 47m
2 stops
YOW9:35 pmOttawa
Jul 7
YOW7:00 amOttawa
12h 19m
3 stops
HOU6:19 pmHouston Hobby
$1,391
American Airlines
Jun 24
HOU6:48 pmHouston Hobby
19h 07m
3 stops
YOW2:55 pmOttawa
Jun 27
YOW7:00 amOttawa
13h 51m
3 stops
HOU7:51 pmHouston Hobby
$1,419

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 4, 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

Tue 6/30

6:30 am-12:25 pm

2 stops28h 55m

Ottawa

Mon 7/20

7:00 am-2:50 pm

1 stop8h 50m

$466

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 6/23

6:30 am-5:37 pm

2 stops34h 07m

Ottawa

Sat 7/11

7:00 am-2:50 pm

1 stop8h 50m

$471

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 7/4

10:52 am-12:25 pm

2 stops24h 33m

Ottawa

Mon 7/20

7:00 am-2:50 pm

1 stop8h 50m

$493
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 7/3

8:55 pm-2:57 pm

2 stops17h 02m

Ottawa

Mon 7/20

7:00 am-2:50 pm

1 stop8h 50m

$497

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 7/8

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 7/14

6:55 am-9:51 pm

2 stops15h 56m

$823

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 6/23

6:03 am-12:20 am

2 stops17h 17m

Ottawa

Thu 6/25

6:55 am-9:43 pm

2 stops15h 48m

$876

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 7/11

6:00 am-5:35 pm

2 stops34h 35m

Ottawa

Mon 7/13

6:25 pm-4:22 pm

2 stops22h 57m

$921

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 6/23

6:03 am-12:20 am

2 stops17h 17m

Ottawa

Tue 6/30

6:55 am-9:43 pm

2 stops15h 48m

$961

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 8/15

6:00 am-12:20 am

2 stops41h 20m

Ottawa

Mon 8/17

6:25 pm-10:05 pm

2 stops28h 40m

$1,047

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 6/27

6:03 am-5:35 pm

2 stops34h 32m

Ottawa

Sat 7/4

6:55 am-9:43 pm

2 stops15h 48m

$1,085

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

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

8h 18m

Direct flights

None
The fastest flight from Houston to Ottawa takes 8h 18m
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 8h 18m, 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
9,774 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
11,126 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
Calabogie
Perth
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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