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Cheap flights from Houston to Ottawa from $198

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 11/2. 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
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
8:20 am - 3:00 pm
IAH
-
YOW
29h 40m
1 stop
Multiple Airlines Logo
7:00 am - 8:47 am
YOW
-
IAH
26h 47m
2 stops
$474Multiple Airlines
Fri, Jun 12 - Tue, Jun 16
Multiple Airlines Logo
8:20 am - 3:00 pm
IAH
-
YOW
29h 40m
1 stop
Multiple Airlines Logo
7:00 am - 6:29 pm
YOW
-
IAH
12h 29m
2 stops
$484Multiple Airlines
Fri, Jun 12 - Wed, Jun 17
Multiple Airlines Logo
8:20 am - 3:00 pm
IAH
-
YOW
29h 40m
1 stop
Multiple Airlines Logo
7:00 am - 8:47 am
YOW
-
IAH
26h 47m
2 stops
$525Multiple Airlines
Fri, Jun 12 - Tue, Jun 16
Multiple Airlines Logo
7:24 pm - 2:33 pm
IAH
-
YOW
18h 09m
1 stop
Multiple Airlines Logo
6:00 am - 12:22 pm
YOW
-
IAH
31h 22m
2 stops
$550Multiple Airlines
Thu, Jun 25 - Tue, Jul 14
Delta Logo
5:35 pm - 12:20 am
HOU
-
YOW
29h 45m
2 stops
Delta Logo
6:55 am - 9:50 am
YOW
-
HOU
27h 55m
2 stops
$779Delta
Tue, Aug 25 - Tue, Sep 1
WestJet Logo
6:03 am - 5:35 pm
HOU
-
YOW
34h 32m
2 stops
WestJet Logo
6:55 am - 9:14 am
YOW
-
HOU
27h 19m
2 stops
$907WestJet
Sun, Jun 14 - Sat, Jun 20
WestJet Logo
6:03 am - 5:35 pm
HOU
-
YOW
10h 32m
2 stops
WestJet Logo
6:25 pm - 4:22 pm
YOW
-
HOU
22h 57m
2 stops
$921WestJet
Mon, Jun 29 - Tue, Jul 7
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
$942Delta
Sat, Jul 4 - Fri, Jul 10
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
WestJet Logo
6:55 am - 4:22 pm
YOW
-
HOU
10h 27m
2 stops
$943WestJet
Sat, Jul 4 - Sat, Jul 11
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
$944Delta
Wed, Jul 15 - Wed, Jul 22

United Airlines flights from Houston to Ottawa

Our best United Airlines deals on Houston to Ottawa flight tickets
United Airlines
Jun 11
IAH4:35 pmHouston George Bush Intcntl
6h 19m
1 stop
YOW11:54 pmOttawa
Jun 16
YOW10:25 amOttawa
22h 48m
1 stop
IAH8:13 amHouston George Bush Intcntl
$1,028
United Airlines
Jun 11
IAH8:05 amHouston George Bush Intcntl
12h 11m
2 stops
YOW9:16 pmOttawa
Jun 16
YOW6:05 amOttawa
13h 40m
2 stops
IAH6:45 pmHouston George Bush Intcntl
$1,046
United Airlines
Jun 11
IAH7:20 amHouston George Bush Intcntl
8h 18m
1 stop
YOW4:38 pmOttawa
Jun 11
YOW7:30 pmOttawa
6h 15m
1 stop
IAH12:45 amHouston George Bush Intcntl
$1,727

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Oct 12
IAH6:30 amHouston George Bush Intcntl
11h 50m
1 stop
YOW7:20 pmOttawa
Oct 17
YOW12:25 pmOttawa
26h 30m
2 stops
IAH1:55 pmHouston George Bush Intcntl
$596
WestJet
Jun 14
HOU6:03 amHouston Hobby
34h 32m
2 stops
YOW5:35 pmOttawa
Jun 20
YOW6:55 amOttawa
27h 19m
2 stops
HOU9:14 amHouston Hobby
$907
WestJet
Jun 29
HOU6:03 amHouston Hobby
10h 32m
2 stops
YOW5:35 pmOttawa
Jul 7
YOW6:25 pmOttawa
22h 57m
2 stops
HOU4:22 pmHouston Hobby
$921

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 May 28, 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

Fri 6/12

8:20 am-3:00 pm

1 stop29h 40m

Ottawa

Tue 6/16

7:00 am-8:47 am

2 stops26h 47m

$474

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 6/12

8:20 am-3:00 pm

1 stop29h 40m

Ottawa

Wed 6/17

7:00 am-6:29 pm

2 stops12h 29m

$484

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 6/12

8:20 am-3:00 pm

1 stop29h 40m

Ottawa

Tue 6/16

7:00 am-8:47 am

2 stops26h 47m

$525

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 6/25

7:24 pm-2:33 pm

1 stop18h 09m

Ottawa

Tue 7/14

6:00 am-12:22 pm

2 stops31h 22m

$550

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 8/25

5:35 pm-12:20 am

2 stops29h 45m

Ottawa

Tue 9/1

6:55 am-9:50 am

2 stops27h 55m

$779

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 6/14

6:03 am-5:35 pm

2 stops34h 32m

Ottawa

Sat 6/20

6:55 am-9:14 am

2 stops27h 19m

$907

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Mon 6/29

6:03 am-5:35 pm

2 stops10h 32m

Ottawa

Tue 7/7

6:25 pm-4:22 pm

2 stops22h 57m

$921

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 7/4

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Fri 7/10

6:55 am-9:51 pm

2 stops15h 56m

$942
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sat 7/4

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Sat 7/11

6:55 am-4:22 pm

2 stops10h 27m

$943

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 7/15

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Wed 7/22

6:55 am-9:51 pm

2 stops15h 56m

$944

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

7h 25m

Direct flights

None
The fastest flight from Houston to Ottawa takes 7h 25m
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 7h 25m, 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
9,751 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
11,095 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.

An easier way to manage your Ottawa trip

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