When did momondo last update prices for flights from Houston to Ottawa Airport?

Prices for flights from Houston to Ottawa Airport refresh daily.

How old do you have to be to fly from Houston to Ottawa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 246 Cheap Flights from Houston to Ottawa in 2026

Find the cheapest flights from Houston to Ottawa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 a.m. - 7:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

11h 50m1 stop Calgary

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

C$ 498WestJet

Fri, 11 Sep - Fri, 18 Sep

6:30 a.m. - 7:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

11h 50m1 stop Calgary

6:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

20h 40m2 stops Edmonton Calgary

C$ 499WestJet

Fri, 11 Sep - Fri, 18 Sep

2:50 p.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

6:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

20h 40m2 stops Edmonton Calgary

C$ 563WestJet

Sat, 12 Sep - Sat, 19 Sep

2:50 p.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

13h 45m1 stop Calgary

4:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

22h 40m1 stop Calgary

C$ 585WestJet

Sat, 12 Sep - Sat, 19 Sep

12:21 p.m. - 4:44 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

27h 23m1 stop Orlando

7:05 a.m. - 3:06 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 01m1 stop Fort Lauderdale

C$ 594Multiple Airlines

Sun, 1 Nov - Fri, 6 Nov

2:50 p.m. - 12:55 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

21h 05m2 stops Calgary Edmonton

2:00 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

24h 55m2 stops Hamilton Calgary

C$ 623Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

8:10 p.m. - 4:44 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

19h 34m1 stop Orlando

3:25 p.m. - 3:27 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

25h 02m1 stop Fort Lauderdale

C$ 624Multiple Airlines

Mon, 7 Dec - Sun, 13 Dec

11:35 a.m. - 12:40 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

36h 05m2 stops Denver Intl Calgary

7:05 a.m. - 3:27 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

9h 22m1 stop Fort Lauderdale

C$ 626Multiple Airlines

Mon, 31 Aug - Tue, 15 Dec

6:30 a.m. - 7:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

11h 50m1 stop Calgary

8:15 p.m. - 9:52 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

26h 37m3 stops Calgary Winnipeg Toronto Pearson Intl

C$ 633Multiple Airlines

Fri, 2 Oct - Fri, 9 Oct

2:50 p.m. - 12:30 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

20h 40m2 stops Calgary Edmonton

2:00 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

24h 55m2 stops Hamilton Calgary

C$ 637Multiple Airlines

Sat, 12 Sep - Sat, 19 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

8:16 a.m. - 2:55 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 39m1 stop Fort Lauderdale

2:30 p.m. - 10:14 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

32h 44m2 stops Boston Logan Intl Atlanta Hartsfield-Jackson

C$ 1,268Multiple Airlines

Sun, 16 Aug - Tue, 18 Aug

10:00 a.m. - 5:29 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

6h 29m1 stop Montreal Pierre Elliott Trudeau Intl

2:35 p.m. - 7:38 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

6h 03m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,269Air Canada

Thu, 20 Aug - Wed, 26 Aug

8:16 a.m. - 2:55 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

29h 39m1 stop Fort Lauderdale

8:15 p.m. - 1:55 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

18h 40m1 stop Calgary

C$ 1,402Multiple Airlines

Sun, 16 Aug - Tue, 18 Aug

5:20 a.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 15m2 stops Detroit Metropolitan Wayne County Calgary

6:55 a.m. - 9:21 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

15h 26m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson

C$ 1,494WestJet

Thu, 20 Aug - Wed, 26 Aug

6:30 a.m. - 12:40 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

17h 10m1 stop Calgary

6:55 a.m. - 5:40 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

11h 45m2 stops Toronto Pearson Intl Atlanta Hartsfield-Jackson

C$ 1,537WestJet

Thu, 20 Aug - Wed, 26 Aug

5:18 a.m. - 9:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

15h 02m2 stops Miami Toronto Pearson Intl

7:00 a.m. - 7:23 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

13h 23m3 stops Toronto Pearson Intl Washington, D.C. Reagan-National Charlotte Douglas

C$ 1,598American Airlines

Thu, 20 Aug - Wed, 26 Aug

6:00 a.m. - 9:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

14h 20m3 stops Dallas/Fort Worth Philadelphia Toronto Pearson Intl

7:00 a.m. - 6:44 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

12h 44m3 stops Toronto Pearson Intl Washington, D.C. Reagan-National Dallas/Fort Worth

C$ 1,789American Airlines

Thu, 20 Aug - Wed, 26 Aug

5:20 a.m. - 5:35 a.m.IAH Houston George Bush Intcntl-YOW Ottawa

23h 15m2 stops Detroit Metropolitan Wayne County Calgary

6:00 a.m. - 10:19 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

17h 19m2 stops Calgary Detroit Metropolitan Wayne County

C$ 1,817WestJet

Sun, 16 Aug - Tue, 18 Aug

5:18 a.m. - 9:20 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

15h 02m2 stops Miami Toronto Pearson Intl

7:00 a.m. - 7:23 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

13h 23m3 stops Toronto Pearson Intl New York LaGuardia Charlotte Douglas

C$ 1,925American Airlines

Sun, 16 Aug - Tue, 18 Aug

6:30 a.m. - 5:15 p.m.IAH Houston George Bush Intcntl-YOW Ottawa

9h 45m1 stop Calgary

8:15 p.m. - 10:19 p.m.YOW Ottawa-IAH Houston George Bush Intcntl

27h 04m2 stops Calgary Detroit Metropolitan Wayne County

C$ 1,946WestJet

Tue, 18 Aug - Tue, 18 Aug

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Houston to Ottawa

Our best Air Canada deals on Houston to Ottawa flight tickets

Air Canada

21 Nov

IAH12:00 p.m.Houston George Bush Intcntl

6h 45m

1 stop

YOW7:45 p.m.Ottawa

23 Nov

YOW2:55 p.m.Ottawa

7h 44m

1 stop

IAH9:39 p.m.Houston George Bush Intcntl

C$ 1,029

Air Canada

23 Aug

IAH10:00 a.m.Houston George Bush Intcntl

6h 29m

1 stop

YOW5:29 p.m.Ottawa

3 Sep

YOW5:10 a.m.Ottawa

6h 40m

1 stop

IAH10:50 a.m.Houston George Bush Intcntl

C$ 1,257

Air Canada

23 Aug

IAH10:00 a.m.Houston George Bush Intcntl

6h 29m

1 stop

YOW5:29 p.m.Ottawa

3 Sep

YOW5:10 a.m.Ottawa

6h 40m

1 stop

IAH10:50 a.m.Houston George Bush Intcntl

C$ 1,273

United Airlines flights from Houston to Ottawa

Our best United Airlines deals on Houston to Ottawa flight tickets

United Airlines

23 Aug

IAH7:20 a.m.Houston George Bush Intcntl

10h 35m

1 stop

YOW6:55 p.m.Ottawa

3 Sep

YOW10:00 a.m.Ottawa

11h 55m

2 stops

IAH8:55 p.m.Houston George Bush Intcntl

C$ 1,480

United Airlines

23 Aug

IAH11:55 a.m.Houston George Bush Intcntl

8h 20m

2 stops

YOW9:15 p.m.Ottawa

3 Sep

YOW6:05 a.m.Ottawa

11h 41m

1 stop

IAH4:46 p.m.Houston George Bush Intcntl

C$ 1,548

United Airlines

18 Aug

IAH5:00 a.m.Houston George Bush Intcntl

7h 59m

1 stop

YOW1:59 p.m.Ottawa

18 Aug

YOW4:00 p.m.Ottawa

7h 11m

1 stop

IAH10:11 p.m.Houston George Bush Intcntl

C$ 1,953

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 11/9

6:30 a.m.-7:20 p.m.

1 stop11h 50m

Ottawa

Fri 18/9

8:15 p.m.-1:55 p.m.

1 stop18h 40m

C$ 498

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 11/9

6:30 a.m.-7:20 p.m.

1 stop11h 50m

Ottawa

Fri 18/9

6:15 p.m.-1:55 p.m.

2 stops20h 40m

C$ 499

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sat 12/9

2:50 p.m.-5:35 a.m.

1 stop13h 45m

Ottawa

Sat 19/9

6:15 p.m.-1:55 p.m.

2 stops20h 40m

C$ 563

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sat 12/9

2:50 p.m.-5:35 a.m.

1 stop13h 45m

Ottawa

Sat 19/9

4:15 p.m.-1:55 p.m.

1 stop22h 40m

C$ 585

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sun 1/11

12:21 p.m.-4:44 p.m.

1 stop27h 23m

Ottawa

Fri 6/11

7:05 a.m.-3:06 p.m.

1 stop9h 01m

C$ 594

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 11/9

2:50 p.m.-12:55 p.m.

2 stops21h 05m

Ottawa

Fri 18/9

2:00 p.m.-1:55 p.m.

2 stops24h 55m

C$ 623

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 7/12

8:10 p.m.-4:44 p.m.

1 stop19h 34m

Ottawa

Sun 13/12

3:25 p.m.-3:27 p.m.

1 stop25h 02m

C$ 624

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Mon 31/8

11:35 a.m.-12:40 a.m.

2 stops36h 05m

Ottawa

Tue 15/12

7:05 a.m.-3:27 p.m.

1 stop9h 22m

C$ 626

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Fri 2/10

6:30 a.m.-7:20 p.m.

1 stop11h 50m

Ottawa

Fri 9/10

8:15 p.m.-9:52 p.m.

3 stops26h 37m

C$ 633

HoustonOttawa

IAH Houston George Bush Intcntl - YOW Ottawa

IAHYOW

Houston George Bush Intcntl

Sat 12/9

2:50 p.m.-12:30 p.m.

2 stops20h 40m

Ottawa

Sat 19/9

2:00 p.m.-1:55 p.m.

2 stops24h 55m

C$ 637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 airline that flies from Houston to Ottawa?

WestJet and Delta are the most popular carriers operating from Houston to Ottawa

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	10h 28m
Direct flights	None

The fastest flight from Houston to Ottawa takes 10h 28m

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?
A flight from Houston to Ottawa will travel around 2442.2 km. Typically, this will take 10h 28m by plane in normal conditions.
When did momondo last update prices for flights from Houston to Ottawa Airport?
Prices for flights from Houston to Ottawa Airport refresh daily.
How old do you have to be to fly from Houston to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Gatineau

Brockville

Perth

Pembroke

Smiths Falls

Prescott

Wakefield

Calabogie

Petawawa

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Ottawa?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Ottawa. momondo saves you time and could save you money on your trip.

Can I find flights from Houston to Ottawa with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Ottawa flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Ottawa?

momondo helps you find the best flight between Houston and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Ottawa right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Ottawa flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.