Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Ottawa from $201

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 9/7. 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
6:30 am - 5:15 pm
IAH
-
YOW
9h 45m
1 stop
Multiple Airlines Logo
12:25 pm - 6:25 pm
YOW
-
IAH
31h 00m
2 stops
$414Multiple Airlines
Fri, Sep 25 - Mon, Sep 28
Multiple Airlines Logo
8:25 pm - 8:00 pm
IAH
-
YOW
22h 35m
2 stops
Multiple Airlines Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
$416Multiple Airlines
Mon, Sep 28 - Fri, Oct 2
WestJet Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
WestJet Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
$418WestJet
Mon, Sep 28 - Fri, Oct 2
Multiple Airlines Logo
8:25 am - 12:20 am
IAH
-
YOW
14h 55m
2 stops
Multiple Airlines Logo
8:15 pm - 1:55 pm
YOW
-
IAH
18h 40m
1 stop
$422Multiple Airlines
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
11:55 am - 7:52 pm
IAH
-
YOW
6h 57m
1 stop
Air Canada Logo
2:55 pm - 9:34 pm
YOW
-
IAH
7h 39m
1 stop
$885Air Canada
Wed, Jan 6 - Sat, Jan 9
United Airlines Logo
8:20 pm - 9:56 am
IAH
-
YOW
12h 36m
1 stop
United Airlines Logo
6:05 am - 4:49 pm
YOW
-
IAH
11h 44m
1 stop
$888United Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
6:20 am - 9:31 pm
IAH
-
YOW
14h 11m
1 stop
United Airlines Logo
6:15 am - 9:30 pm
YOW
-
IAH
16h 15m
1 stop
$893United Airlines
Fri, Dec 18 - Sat, Jan 2
United Airlines Logo
12:00 pm - 9:56 pm
IAH
-
YOW
8h 56m
1 stop
United Airlines Logo
4:36 pm - 12:20 am
YOW
-
IAH
8h 44m
1 stop
$893United Airlines
Mon, Dec 14 - Fri, Dec 18
Air Canada Logo
10:00 am - 7:52 pm
IAH
-
YOW
8h 52m
2 stops
Air Canada Logo
9:55 am - 7:38 pm
YOW
-
IAH
10h 43m
2 stops
$946Air Canada
Mon, Aug 17 - Mon, Aug 24
Air Canada Logo
10:00 am - 9:52 pm
IAH
-
YOW
10h 52m
2 stops
Air Canada Logo
9:55 am - 7:38 pm
YOW
-
IAH
10h 43m
2 stops
$946Air Canada
Sun, Aug 16 - Tue, Aug 25

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

Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
Aug 19
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Aug 25
YOW6:55 amOttawa
16h 10m
2 stops
HOU10:05 pmHouston Hobby
$927
Delta
Aug 26
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Sep 2
YOW6:55 amOttawa
16h 10m
2 stops
HOU10:05 pmHouston Hobby
$951
Delta
Sep 21
HOU11:00 amHouston Hobby
12h 20m
2 stops
YOW12:20 amOttawa
Sep 26
YOW6:55 amOttawa
16h 44m
2 stops
HOU10:39 pmHouston Hobby
$1,089

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Sep 28
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Oct 2
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$418
WestJet
Sep 29
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Oct 2
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$439
WestJet
Sep 25
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
Sep 28
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$442

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 July 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 9/25

6:30 am-5:15 pm

1 stop9h 45m

Ottawa

Mon 9/28

12:25 pm-6:25 pm

2 stops31h 00m

$414

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 9/28

8:25 pm-8:00 pm

2 stops22h 35m

Ottawa

Fri 10/2

8:15 pm-1:55 pm

1 stop18h 40m

$416

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 9/28

2:50 pm-5:35 am

1 stop13h 45m

Ottawa

Fri 10/2

8:15 pm-1:55 pm

1 stop18h 40m

$418

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 9/21

8:25 am-12:20 am

2 stops14h 55m

Ottawa

Fri 9/25

8:15 pm-1:55 pm

1 stop18h 40m

$422
Quickest round-trip

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 1/6

11:55 am-7:52 pm

1 stop6h 57m

Ottawa

Sat 1/9

2:55 pm-9:34 pm

1 stop7h 39m

$885

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 9/29

8:20 pm-9:56 am

1 stop12h 36m

Ottawa

Sat 10/3

6:05 am-4:49 pm

1 stop11h 44m

$888

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/18

6:20 am-9:31 pm

1 stop14h 11m

Ottawa

Sat 1/2

6:15 am-9:30 pm

1 stop16h 15m

$893

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 12/14

12:00 pm-9:56 pm

1 stop8h 56m

Ottawa

Fri 12/18

4:36 pm-12:20 am

1 stop8h 44m

$893

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 8/17

10:00 am-7:52 pm

2 stops8h 52m

Ottawa

Mon 8/24

9:55 am-7:38 pm

2 stops10h 43m

$946

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 8/16

10:00 am-9:52 pm

2 stops10h 52m

Ottawa

Tue 8/25

9:55 am-7:38 pm

2 stops10h 43m

$946

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 cheapest month to fly to Ottawa?

In general, September 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 $387. The month of November is another great option to travel to Ottawa, with average flight prices from Houston averaging around $412.

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 30m

Direct flights

None
The fastest flight from Houston to Ottawa takes 6h 30m
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 30m, 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
10,048 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,399 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
Perth
Calabogie
Smiths Falls
Prescott
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
Thu 8/27
Thu 9/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada