Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Ottawa from $194

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 8/11. 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
8:29 am - 3:15 pm
IAH
-
YOW
29h 46m
1 stop
Multiple Airlines Logo
2:10 pm - 3:05 pm
YOW
-
IAH
25h 55m
2 stops
$436Multiple Airlines
Sun, Aug 30 - Tue, Sep 8
Multiple Airlines Logo
8:20 am - 2:57 pm
IAH
-
YOW
29h 37m
1 stop
Multiple Airlines Logo
9:05 am - 7:20 am
YOW
-
IAH
47h 15m
2 stops
$490Multiple Airlines
Sun, Jul 12 - Sun, Jul 19
Multiple Airlines Logo
8:02 pm - 5:03 pm
IAH
-
YOW
20h 01m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$500Multiple Airlines
Fri, Jul 17 - Mon, Jul 20
Multiple Airlines Logo
8:02 pm - 5:03 pm
IAH
-
YOW
20h 01m
2 stops
Multiple Airlines Logo
7:00 am - 6:25 pm
YOW
-
IAH
12h 25m
1 stop
$503Multiple Airlines
Tue, Jul 7 - Fri, Jul 10
Multiple Airlines Logo
8:29 am - 3:15 pm
IAH
-
YOW
29h 46m
1 stop
Multiple Airlines Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
$505Multiple Airlines
Sun, Aug 30 - Tue, Sep 8
WestJet Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
WestJet Logo
6:55 am - 9:26 am
YOW
-
HOU
27h 31m
2 stops
$896WestJet
Fri, Oct 2 - Mon, Oct 5
WestJet Logo
6:00 am - 5:35 pm
HOU
-
YOW
34h 35m
2 stops
WestJet Logo
6:55 am - 9:45 am
YOW
-
HOU
27h 50m
2 stops
$967WestJet
Fri, Jul 10 - Sun, Jul 12
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
$1,036Delta
Wed, Jul 8 - Wed, Jul 15
Delta Logo
6:00 am - 12:20 am
HOU
-
YOW
17h 20m
2 stops
Delta Logo
6:55 am - 10:40 pm
YOW
-
HOU
16h 45m
2 stops
$1,051Delta
Sun, Aug 30 - Tue, Sep 8
American Airlines Logo
9:32 am - 9:20 pm
HOU
-
YOW
10h 48m
2 stops
American Airlines Logo
8:40 am - 7:51 pm
YOW
-
HOU
12h 11m
2 stops
$1,098American Airlines
Thu, Aug 6 - Wed, Aug 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Aug 4
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
Aug 11
YOW8:15 pmOttawa
27h 25m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$641
WestJet
Aug 4
IAH6:30 amHouston George Bush Intcntl
28h 05m
3 stops
YOW11:35 amOttawa
Aug 11
YOW12:25 pmOttawa
35h 15m
3 stops
IAH10:40 pmHouston George Bush Intcntl
$671
WestJet
Aug 4
IAH6:30 amHouston George Bush Intcntl
28h 05m
3 stops
YOW11:35 amOttawa
Aug 11
YOW12:25 pmOttawa
35h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$672

United Airlines flights from Houston to Ottawa

Our best United Airlines deals on Houston to Ottawa flight tickets
United Airlines
Jul 15
IAH6:01 amHouston George Bush Intcntl
15h 04m
1 stop
YOW10:05 pmOttawa
Aug 5
YOW6:05 amOttawa
17h 33m
1 stop
IAH10:38 pmHouston George Bush Intcntl
$742
United Airlines
Jul 15
IAH6:01 amHouston George Bush Intcntl
15h 04m
1 stop
YOW10:05 pmOttawa
Aug 5
YOW6:05 amOttawa
17h 33m
1 stop
IAH10:38 pmHouston George Bush Intcntl
$743
United Airlines
Jul 15
IAH6:18 pmHouston George Bush Intcntl
13h 53m
1 stop
YOW9:11 amOttawa
Aug 5
YOW5:50 pmOttawa
17h 00m
1 stop
IAH9:50 amHouston George Bush Intcntl
$753

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 15, 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

Sun 8/30

8:29 am-3:15 pm

1 stop29h 46m

Ottawa

Tue 9/8

2:10 pm-3:05 pm

2 stops25h 55m

$436

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 7/12

8:20 am-2:57 pm

1 stop29h 37m

Ottawa

Sun 7/19

9:05 am-7:20 am

2 stops47h 15m

$490

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 7/17

8:02 pm-5:03 pm

2 stops20h 01m

Ottawa

Mon 7/20

7:00 am-2:50 pm

1 stop8h 50m

$500

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 7/7

8:02 pm-5:03 pm

2 stops20h 01m

Ottawa

Fri 7/10

7:00 am-6:25 pm

1 stop12h 25m

$503

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/30

8:29 am-3:15 pm

1 stop29h 46m

Ottawa

Tue 9/8

8:15 pm-1:55 pm

1 stop18h 40m

$505

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 10/2

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Mon 10/5

6:55 am-9:26 am

2 stops27h 31m

$896

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 7/10

6:00 am-5:35 pm

2 stops34h 35m

Ottawa

Sun 7/12

6:55 am-9:45 am

2 stops27h 50m

$967

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Wed 7/8

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Wed 7/15

6:55 am-9:51 pm

2 stops15h 56m

$1,036

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Sun 8/30

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Tue 9/8

6:55 am-10:40 pm

2 stops16h 45m

$1,051
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Thu 8/6

9:32 am-9:20 pm

2 stops10h 48m

Ottawa

Wed 8/12

8:40 am-7:51 pm

2 stops12h 11m

$1,098

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

9h 29m

Direct flights

None
The fastest flight from Houston to Ottawa takes 9h 29m
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 9h 29m, 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
9,831 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,194 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.

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/15
Wed 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada