Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Ottawa from $216

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 8/13. 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

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Houston to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
WestJet Logo
8:15 pm - 10:40 pm
YOW
-
IAH
27h 25m
1 stop
$493WestJet
Sat, Aug 22 - Tue, Sep 1
Multiple Airlines Logo
12:21 pm - 11:48 pm
IAH
-
YOW
10h 27m
1 stop
Multiple Airlines Logo
3:15 pm - 3:06 pm
YOW
-
IAH
24h 51m
1 stop
$498Multiple Airlines
Mon, Oct 19 - Sun, Oct 25
Multiple Airlines Logo
6:30 am - 12:40 am
IAH
-
YOW
17h 10m
1 stop
Multiple Airlines Logo
4:00 pm - 12:47 pm
YOW
-
IAH
21h 47m
2 stops
$524Multiple Airlines
Tue, Jul 28 - Tue, Aug 11
Multiple Airlines Logo
2:50 pm - 5:35 am
IAH
-
YOW
13h 45m
1 stop
Multiple Airlines Logo
7:00 am - 2:51 pm
YOW
-
IAH
32h 51m
2 stops
$525Multiple Airlines
Sat, Aug 22 - Tue, Sep 1
Multiple Airlines Logo
12:21 pm - 2:33 pm
IAH
-
YOW
25h 12m
1 stop
Multiple Airlines Logo
6:15 pm - 9:04 pm
YOW
-
IAH
51h 49m
2 stops
$533Multiple Airlines
Thu, Sep 10 - Sun, Sep 20
WestJet Logo
6:30 am - 12:40 am
IAH
-
YOW
17h 10m
1 stop
WestJet Logo
4:15 pm - 1:55 pm
YOW
-
IAH
22h 40m
1 stop
$544WestJet
Tue, Jul 28 - Tue, Aug 11
Multiple Airlines Logo
8:39 am - 3:00 pm
IAH
-
YOW
29h 21m
1 stop
Multiple Airlines Logo
7:00 am - 6:29 pm
YOW
-
IAH
12h 29m
2 stops
$550Multiple Airlines
Fri, Jun 5 - Thu, Jun 11
Multiple Airlines Logo
6:30 am - 12:58 pm
IAH
-
YOW
29h 28m
1 stop
Multiple Airlines Logo
7:00 am - 7:23 am
YOW
-
IAH
49h 23m
2 stops
$561Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
Multiple Airlines Logo
7:24 pm - 8:05 pm
IAH
-
YOW
23h 41m
2 stops
Multiple Airlines Logo
8:35 am - 1:55 pm
YOW
-
IAH
30h 20m
1 stop
$586Multiple Airlines
Tue, Jun 16 - Tue, Jun 23
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
$952Delta
Fri, Jul 10 - Thu, Jul 16

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Jul 28
IAH6:30 amHouston George Bush Intcntl
17h 10m
1 stop
YOW12:40 amOttawa
Aug 11
YOW4:15 pmOttawa
22h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$544
WestJet
Jul 10
IAH6:30 amHouston George Bush Intcntl
9h 45m
1 stop
YOW5:15 pmOttawa
Jul 16
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$595
WestJet
Jul 28
IAH6:30 amHouston George Bush Intcntl
28h 05m
3 stops
YOW11:35 amOttawa
Aug 11
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$616

American Airlines flights from Houston to Ottawa

Our best American Airlines deals on Houston to Ottawa flight tickets
American Airlines
Oct 1
IAH6:37 pmHouston George Bush Intcntl
19h 18m
2 stops
YOW2:55 pmOttawa
Oct 30
YOW6:45 amOttawa
17h 33m
2 stops
IAH11:18 pmHouston George Bush Intcntl
$864
American Airlines
Jul 17
HOU6:03 amHouston Hobby
13h 37m
2 stops
YOW8:40 pmOttawa
Jul 20
YOW7:00 amOttawa
12h 19m
3 stops
HOU6:19 pmHouston Hobby
$1,256
American Airlines
Jul 1
HOU6:48 pmHouston Hobby
19h 07m
3 stops
YOW2:55 pmOttawa
Jul 8
YOW7:00 amOttawa
12h 19m
3 stops
HOU6:19 pmHouston Hobby
$1,311

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 19, 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 8/22

2:50 pm-5:35 am

1 stop13h 45m

Ottawa

Tue 9/1

8:15 pm-10:40 pm

1 stop27h 25m

$493

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 10/19

12:21 pm-11:48 pm

1 stop10h 27m

Ottawa

Sun 10/25

3:15 pm-3:06 pm

1 stop24h 51m

$498

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 7/28

6:30 am-12:40 am

1 stop17h 10m

Ottawa

Tue 8/11

4:00 pm-12:47 pm

2 stops21h 47m

$524

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 8/22

2:50 pm-5:35 am

1 stop13h 45m

Ottawa

Tue 9/1

7:00 am-2:51 pm

2 stops32h 51m

$525

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 9/10

12:21 pm-2:33 pm

1 stop25h 12m

Ottawa

Sun 9/20

6:15 pm-9:04 pm

2 stops51h 49m

$533

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 7/28

6:30 am-12:40 am

1 stop17h 10m

Ottawa

Tue 8/11

4:15 pm-1:55 pm

1 stop22h 40m

$544

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 6/5

8:39 am-3:00 pm

1 stop29h 21m

Ottawa

Thu 6/11

7:00 am-6:29 pm

2 stops12h 29m

$550

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 6/15

6:30 am-12:58 pm

1 stop29h 28m

Ottawa

Mon 6/22

7:00 am-7:23 am

2 stops49h 23m

$561

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 6/16

7:24 pm-8:05 pm

2 stops23h 41m

Ottawa

Tue 6/23

8:35 am-1:55 pm

1 stop30h 20m

$586
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Fri 7/10

6:00 am-12:20 am

2 stops17h 20m

Ottawa

Thu 7/16

6:55 am-9:51 pm

2 stops15h 56m

$952

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 41m

Direct flights

None
The fastest flight from Houston to Ottawa takes 9h 41m
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 41m, 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
9,733 reviews
Search United Airlines flights
Air CanadaPriceFrom $387Free CancellationRating
7.1
11,062 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

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 6/18
Thu 6/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada