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Cheap flights from Ottawa to Houston George Bush Intcntl Airport from C$ 439

YOW — IAH
25 Oct — 1 Nov1
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

Sat 31/103:10 p.m. -
2 stops18h 13m
Sat 7/118:00 a.m. -
1 stop29h 30m
Deal found 25/9C$ 606
Tue 6/107:20 a.m. -
3 stops27h 15m
Sat 30/16:00 a.m. -
2 stops17h 07m
Deal found 22/9C$ 657
Sat 10/107:15 a.m. -
1 stop8h 33m
Sun 18/108:35 p.m. -
1 stop26h 10m
Deal found 21/9C$ 661
Sun 25/103:25 p.m. -
2 stops40h 58m
Sun 1/118:35 p.m. -
1 stop19h 09m
Deal found 24/9C$ 675
Thu 22/1012:25 p.m. -
2 stops11h 15m
Mon 26/108:35 p.m. -
1 stop19h 09m
Deal found 23/9C$ 703
Tue 17/117:05 a.m. -
1 stop8h 39m
Fri 20/119:14 p.m. -
2 stops25h 47m
Deal found 24/9C$ 705
Sun 8/117:05 a.m. -
1 stop8h 39m
Sun 15/112:32 p.m. -
1 stop25h 54m
Deal found 24/9C$ 707
Fri 30/107:00 a.m. -
2 stops23h 10m
Sat 7/118:00 a.m. -
1 stop15h 01m
Deal found 20/9C$ 709

Find flight deals from Ottawa to George Bush Intcntl

Round-trip from

C$ 613

One-way from

C$ 439

Popular in

October

Cheapest in

November

Average price

C$ 802
WestJet
  • WestJet
  • 31/10-7/11
  • 3 total stops
  • 33h 14m total
  • Ottawa to Houston
Search Deals
16/10-31/12
  • 16/10-31/12
  • 2 total stops
  • 18h 09m total
  • Ottawa to Houston
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 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

Fri 16/10

2:10 p.m.-7:19 a.m.

2 stops18h 09m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 439

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 16/10

10:37 a.m.-12:37 a.m.

1 stop15h 00m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 479

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 1/10

4:00 p.m.-9:52 p.m.

1 stop6h 52m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 576

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 1/10

6:00 a.m.-3:38 p.m.

2 stops10h 38m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 602

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Mon 5/10

4:15 p.m.-9:14 p.m.

1 stop29h 59m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 692

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Mon 5/10

6:00 a.m.-9:20 p.m.

3 stops16h 20m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 696

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 30/10

3:25 p.m.-2:44 p.m.

1 stop24h 19m

Houston George Bush Intcntl

Sat 7/11

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

1 stop15h 01m

C$ 717

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 22/10

6:50 a.m.-12:26 a.m.

3 stops18h 36m

Houston George Bush Intcntl

Mon 26/10

9:12 p.m.-5:20 p.m.

2 stops19h 08m

C$ 765
Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sun 1/11

5:10 a.m.-10:58 a.m.

1 stop6h 48m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 791

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 6/10

6:00 a.m.-3:38 p.m.

3 stops10h 38m

Houston George Bush Intcntl

Sat 30/1

6:00 a.m.-1:26 p.m.

1 stop6h 26m

C$ 852

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/9

Showing 1-10 of 13 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, November is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 717). Flying from Ottawa to Houston George Bush Intcntl Airport in October is currently the most expensive (average of C$ 1,053). 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$ 626 and C$ 1,042 in October.
The cheapest round-trip price found within the last 5 days was C$ 613 on Multiple Airlines (31 Oct-7 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
10,236 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

Crew

8.1

Boarding

7.7

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
10,236 reviews
United Airlines
7.4
Good
10,236 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

Crew

8.1

Boarding

7.7

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
11,683 reviews
United Airlines
7.4
Good
10,236 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

Crew

8.1

Boarding

7.7

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.

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

    According to our current data, United Airlines (C$ 577), and Air Canada (C$ 717) offers the cheapest pricing from Ottawa to Houston George Bush Intcntl Airport. United Airlines is 36% 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, November is the cheapest month in which you can book a flight from Ottawa to Houston George Bush Intcntl Airport (average of C$ 717). Flying from Ottawa to Houston George Bush Intcntl Airport in October is currently the most expensive (average of C$ 1,053). 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$ 577AverageC$ 874FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 717AverageC$ 905FlexibilityNo 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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