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Cheap flights from Houston to Ottawa from $160

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
7:23 pm - 9:20 pm
IAH
-
YOW
24h 57m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$434Multiple Airlines
Tue, Jul 14 - Sat, Jul 18
Multiple Airlines Logo
8:02 pm - 12:25 pm
IAH
-
YOW
39h 23m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$458Multiple Airlines
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
7:23 pm - 9:20 pm
IAH
-
YOW
24h 57m
2 stops
Multiple Airlines Logo
7:00 am - 6:25 pm
YOW
-
IAH
12h 25m
1 stop
$480Multiple Airlines
Tue, Jul 14 - Fri, Jul 17
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
$488Multiple Airlines
Fri, Jul 10 - Sat, Jul 18
Multiple Airlines Logo
8:20 am - 2:57 pm
IAH
-
YOW
29h 37m
1 stop
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
32h 50m
2 stops
$492Multiple Airlines
Sun, Jul 19 - Sun, Jul 26
Multiple Airlines Logo
8:20 am - 2:57 pm
IAH
-
YOW
29h 37m
1 stop
Multiple Airlines Logo
7:00 am - 10:03 am
YOW
-
IAH
28h 03m
2 stops
$493Multiple Airlines
Fri, Jul 17 - Fri, Jul 24
Multiple Airlines Logo
6:14 pm - 2:35 pm
IAH
-
YOW
19h 21m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$506Multiple Airlines
Thu, Jul 9 - Sat, Jul 11
Multiple Airlines Logo
7:23 pm - 5:03 pm
IAH
-
YOW
20h 40m
2 stops
Multiple Airlines Logo
7:00 am - 2:50 pm
YOW
-
IAH
8h 50m
1 stop
$507Multiple Airlines
Mon, Jul 13 - Sat, Jul 18
WestJet Logo
10:05 am - 12:20 am
HOU
-
YOW
13h 15m
2 stops
WestJet Logo
6:55 am - 4:30 pm
YOW
-
HOU
10h 35m
2 stops
$826WestJet
Tue, Oct 6 - Tue, Oct 20
WestJet Logo
5:26 pm - 5:35 pm
HOU
-
YOW
23h 09m
2 stops
WestJet Logo
6:55 am - 10:40 pm
YOW
-
HOU
16h 45m
2 stops
$850WestJet
Tue, Sep 8 - Sat, Sep 19

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Delta flights from Houston to Ottawa

Our best Delta deals on Houston to Ottawa flight tickets
Delta
Jul 9
HOU6:00 amHouston Hobby
17h 20m
2 stops
YOW12:20 amOttawa
Jul 11
YOW6:55 amOttawa
15h 56m
2 stops
HOU9:51 pmHouston Hobby
$1,290
Delta
Jul 11
HOU6:00 amHouston Hobby
10h 35m
2 stops
YOW5:35 pmOttawa
Jul 13
YOW6:55 amOttawa
15h 56m
2 stops
HOU9:51 pmHouston Hobby
$1,503

WestJet flights from Houston to Ottawa

Our best WestJet deals on Houston to Ottawa flight tickets
WestJet
Aug 23
IAH6:30 amHouston George Bush Intcntl
22h 05m
1 stop
YOW5:35 amOttawa
Sep 3
YOW12:25 pmOttawa
11h 15m
2 stops
IAH10:40 pmHouston George Bush Intcntl
$544
WestJet
Aug 23
IAH6:30 amHouston George Bush Intcntl
22h 05m
1 stop
YOW5:35 amOttawa
Sep 3
YOW1:20 pmOttawa
10h 20m
1 stop
IAH10:40 pmHouston George Bush Intcntl
$558
WestJet
Jul 14
IAH2:50 pmHouston George Bush Intcntl
13h 45m
1 stop
YOW5:35 amOttawa
Jul 16
YOW8:15 pmOttawa
18h 40m
1 stop
IAH1:55 pmHouston George Bush Intcntl
$640

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 23, 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 7/14

7:23 pm-9:20 pm

2 stops24h 57m

Ottawa

Sat 7/18

7:00 am-2:50 pm

1 stop8h 50m

$434

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 7/20

8:02 pm-12:25 pm

2 stops39h 23m

Ottawa

Mon 7/27

7:00 am-2:50 pm

1 stop8h 50m

$458

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 7/14

7:23 pm-9:20 pm

2 stops24h 57m

Ottawa

Fri 7/17

7:00 am-6:25 pm

1 stop12h 25m

$480

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 7/10

8:02 pm-5:03 pm

2 stops20h 01m

Ottawa

Sat 7/18

7:00 am-2:50 pm

1 stop8h 50m

$488

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 7/19

8:20 am-2:57 pm

1 stop29h 37m

Ottawa

Sun 7/26

7:00 am-2:50 pm

2 stops32h 50m

$492

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 7/17

8:20 am-2:57 pm

1 stop29h 37m

Ottawa

Fri 7/24

7:00 am-10:03 am

2 stops28h 03m

$493

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 7/9

6:14 pm-2:35 pm

2 stops19h 21m

Ottawa

Sat 7/11

7:00 am-2:50 pm

1 stop8h 50m

$506

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 7/13

7:23 pm-5:03 pm

2 stops20h 40m

Ottawa

Sat 7/18

7:00 am-2:50 pm

1 stop8h 50m

$507
Quickest round-trip

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 10/6

10:05 am-12:20 am

2 stops13h 15m

Ottawa

Tue 10/20

6:55 am-4:30 pm

2 stops10h 35m

$826

HoustonOttawa

HOU - YOW

HOUYOW

Houston Hobby

Tue 9/8

5:26 pm-5:35 pm

2 stops23h 09m

Ottawa

Sat 9/19

6:55 am-10:40 pm

2 stops16h 45m

$850

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 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.
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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
9,876 reviews
Search United Airlines flights
Air CanadaPriceFrom $375Free CancellationRating
7.1
11,244 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

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