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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 283

YOW — IAH
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to George Bush Intcntl

Thu 5/116:10 a.m. -
1 stop17h 05m
Mon 9/118:00 a.m. -
1 stop15h 01m
Deal found 12/9C$ 502
Fri 23/108:15 p.m. -
2 stops16h 42m
Fri 30/108:18 a.m. -
1 stop8h 02m
Deal found 13/9C$ 504
Mon 5/108:15 p.m. -
1 stop18h 40m
Sat 30/18:00 a.m. -
1 stop15h 01m
Deal found 10/9C$ 517
Fri 9/106:50 a.m. -
2 stops32h 58m
Fri 16/106:30 a.m. -
1 stop9h 45m
Deal found 12/9C$ 524
Fri 9/106:15 p.m. -
2 stops20h 40m
Fri 16/106:30 a.m. -
1 stop9h 45m
Deal found 11/9C$ 528
Sun 25/107:05 a.m. -
2 stops40h 18m
Thu 29/108:18 a.m. -
1 stop8h 02m
Deal found 13/9C$ 529
Mon 26/107:05 a.m. -
1 stop8h 43m
Mon 2/118:18 a.m. -
2 stops32h 40m
Deal found 15/9C$ 531
Tue 13/108:15 p.m. -
2 stops36h 04m
Tue 20/102:50 p.m. -
1 stop13h 45m
Deal found 14/9C$ 540
Fri 9/106:50 a.m. -
2 stops32h 58m
Mon 19/106:30 a.m. -
1 stop11h 50m
Deal found 11/9C$ 543

Find flight deals from Ottawa to George Bush Intcntl

Round-trip from

C$ 502

One-way from

C$ 283

Popular in

October

Cheapest in

September

Average price

C$ 789
WestJet
  • WestJet
  • 5/11-9/11
  • 2 total stops
  • 32h 06m total
  • Ottawa to Houston
Search Deals
21/10-31/12
  • 21/10-31/12
  • 2 total stops
  • 16h 07m total
  • Ottawa to Houston
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 21/10

8:15 p.m.-11:22 a.m.

2 stops16h 07m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 283

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sun 11/10

1:20 p.m.-10:40 p.m.

1 stop10h 20m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 328

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sun 11/10

12:25 p.m.-6:00 a.m.

3 stops18h 35m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 425

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 14/10

8:00 a.m.-7:19 a.m.

3 stops24h 19m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 458

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 23/12

6:35 a.m.-7:49 a.m.

1 stop26h 14m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 510

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 24/12

3:10 p.m.-12:45 a.m.

2 stops10h 35m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 522

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 13/10

8:15 p.m.-7:19 a.m.

2 stops36h 04m

Houston George Bush Intcntl

Tue 20/10

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

1 stop13h 45m

C$ 540

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 5/11

6:10 a.m.-10:15 p.m.

1 stop17h 05m

Houston George Bush Intcntl

Mon 9/11

8:00 a.m.-2:30 p.m.

1 stop29h 30m

C$ 554

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 8/1

6:10 a.m.-10:15 p.m.

1 stop17h 05m

Houston George Bush Intcntl

Wed 13/1

8:00 a.m.-12:01 a.m.

1 stop15h 01m

C$ 565

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Mon 5/10

7:15 a.m.-3:17 p.m.

1 stop9h 02m

Houston George Bush Intcntl

Sat 30/1

8:00 a.m.-12:01 a.m.

1 stop15h 01m

C$ 583

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Ottawa to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Ottawa with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Ottawa to Houston George Bush Intcntl Airport?

Currently, September is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 789). Flying from Ottawa to Houston George Bush Intcntl Airport in October is currently the most expensive (average of C$ 1,036). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ottawa to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Ottawa to Houston George Bush Intcntl Airport flights typically cost between C$ 567 and C$ 1,014 in November.
The cheapest round-trip price found within the last 5 days was C$ 502 on WestJet (5 Nov-9 Nov).

Reviews of airlines servicing George Bush Intcntl

Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,209 reviews
Check prices

Crew

8.1

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.4
Good
10,209 reviews
United Airlines
7.4
Good
10,209 reviews
Check prices

Crew

8.1

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
Air Canada
7.1
Good
11,630 reviews
United Airlines
7.4
Good
10,209 reviews
Check prices

Crew

8.1

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • What airport do you fly from for flights from Ottawa to Houston George Bush Intcntl?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Houston George Bush Intcntl. On average, Ottawa has 0 outbound flights to Houston George Bush Intcntl per day from 2 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

  • How long is the flight from Ottawa to Houston George Bush Intcntl Airport?

    Departing from Ottawa to Houston George Bush Intcntl Airport will take you 17h 05m. There are 2416 km between Ottawa and Houston George Bush Intcntl Airport.

  • What are the cheapest airlines flying from Ottawa to Houston George Bush Intcntl Airport round-trip?

    According to our current data, United Airlines (C$ 567), and Air Canada (C$ 706) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Ottawa to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Ottawa to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to George Bush Intcntl.

  • Can I find deals for business class flights from Ottawa to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Ottawa to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Houston George Bush Intcntl Airport?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 789). Flying from Ottawa to Houston George Bush Intcntl Airport in October is currently the most expensive (average of C$ 1,036). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ottawa to George Bush Intcntl

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 567AverageC$ 874FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 706AverageC$ 890FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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Certainly. Search results for flights to George Bush Intcntl from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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