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Cheap flights from Ottawa to Houston from C$ 276

YOW — HOU
26 Sep — 3 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Houston

Wed 16/98:15 p.m. -
1 stop18h 40m
Fri 18/96:30 a.m. -
1 stop9h 45m
Deal found 24/8C$ 424
Wed 16/98:15 p.m. -
1 stop18h 40m
Mon 28/96:30 a.m. -
1 stop9h 45m
Deal found 24/8C$ 459
Mon 21/98:15 p.m. -
2 stops27h 15m
Mon 28/96:30 a.m. -
1 stop9h 45m
Deal found 24/8C$ 476
Mon 14/94:15 p.m. -
1 stop23h 58m
Mon 21/98:25 a.m. -
2 stops14h 55m
Deal found 24/8C$ 483
Wed 16/98:15 p.m. -
2 stops16h 08m
Mon 28/96:30 a.m. -
1 stop9h 45m
Deal found 24/8C$ 487
Mon 14/94:15 p.m. -
1 stop23h 58m
Fri 18/98:25 a.m. -
1 stop29h 42m
Deal found 24/8C$ 488
Mon 21/98:15 p.m. -
1 stop18h 40m
Mon 5/108:25 a.m. -
2 stops14h 55m
Deal found 22/8C$ 491
Wed 23/98:15 p.m. -
1 stop18h 40m
Fri 2/106:30 a.m. -
1 stop9h 45m
Deal found 22/8C$ 498
Sat 24/107:00 a.m. -
1 stop8h 45m
Mon 26/108:15 a.m. -
1 stop8h 05m
Deal found 23/8C$ 505
Mon 21/98:15 p.m. -
1 stop18h 40m
Mon 5/106:30 a.m. -
1 stop9h 45m
Deal found 23/8C$ 508
Sat 10/106:55 a.m. -
2 stops17h 08m
Tue 13/106:09 a.m. -
2 stops17h 11m
Deal found 25/8C$ 1,086
Wed 23/96:55 a.m. -
2 stops10h 35m
Mon 28/96:00 a.m. -
2 stops17h 20m
Deal found 25/8C$ 1,102

Find flight deals from Ottawa to Houston

Round-trip from

C$ 424

One-way from

C$ 276

Popular in

September

Cheapest in

October

Average price

C$ 1,072
WestJet
  • WestJet
  • 16/9-18/9
  • 2 total stops
  • 28h 25m total
  • Ottawa to Houston
Search Deals
4/11
  • 4/11
  • 3 total stops
  • 24h 40m total
  • Ottawa to Houston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ottawa to Houston 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

Mon 21/9

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

1 stop18h 40m

Houston George Bush Intcntl

Mon 5/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

C$ 508

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 24/10

7:00 a.m.-10:09 p.m.

2 stops16h 09m

Houston George Bush Intcntl

Mon 26/10

8:15 a.m.-5:20 p.m.

1 stop8h 05m

C$ 541

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 23/9

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

1 stop18h 40m

Houston George Bush Intcntl

Fri 2/10

6:30 a.m.-5:15 p.m.

1 stop9h 45m

C$ 564

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 18/11

5:30 a.m.-1:00 p.m.

2 stops32h 30m

Houston George Bush Intcntl

Wed 25/11

8:00 a.m.-12:44 a.m.

2 stops15h 44m

C$ 688

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 24/10

7:00 a.m.-4:43 p.m.

2 stops10h 43m

Houston George Bush Intcntl

Mon 26/10

5:00 a.m.-5:58 p.m.

2 stops11h 58m

C$ 867

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Sat 12/9

4:10 p.m.-10:40 p.m.

2 stops31h 30m

Houston George Bush Intcntl

Mon 14/9

6:30 a.m.-8:05 a.m.

3 stops24h 35m

C$ 885

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 6/10

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

1 stop18h 40m

Houston George Bush Intcntl

Sat 10/10

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

1 stop13h 45m

C$ 901

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 27/11

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

1 stop17h 05m

Houston George Bush Intcntl

Sun 29/11

1:50 p.m.-5:58 p.m.

3 stops27h 08m

C$ 911

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 1/1

9:45 a.m.-9:31 p.m.

2 stops12h 46m

Houston George Bush Intcntl

Mon 11/1

9:35 a.m.-9:31 p.m.

1 stop10h 56m

C$ 943

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Wed 23/9

6:55 a.m.-4:30 p.m.

2 stops10h 35m

Houston Hobby

Mon 28/9

6:00 a.m.-12:20 a.m.

2 stops17h 20m

C$ 1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/8

Showing 1-10 of 39 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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

What is the cheapest month to book a flight from Ottawa to Houston?

Currently, October is the cheapest month in which you can book a flight from Ottawa to Houston (average of C$ 710). Flying from Ottawa to Houston in August is currently the most expensive (average of C$ 1,011). 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.

Reviews of airlines servicing Houston

Read reviews from past customers who have flown United Airlines and Air Canada from Ottawa to Houston. 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
10,123 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
10,123 reviews
United Airlines
7.4
Good
10,123 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Air Canada
7.1
Good
11,540 reviews
United Airlines
7.4
Good
10,123 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Comfort

7.3

Food

6.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

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

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to Houston. On average, Ottawa has 0 outbound flights to Houston 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?

    A quick flight from Ottawa to Houston can take about 18h 40m. WestJet provides one of the quickest options available for as low as C$ 508. Ottawa and Houston are separated by a distance of 2416 km.

  • What are the cheapest airlines flying from Ottawa to Houston round-trip?

    Air Canada, at C$ 307, was found to be the cheapest airline from Ottawa to Houston. An alternate airline flying to your destination would be United Airlines. Air Canada is 67% 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 Houston that include hotel bookings?

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

  • How can I find direct flights from Ottawa to Houston?

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

  • Can I find deals for business class flights from Ottawa to Houston?

    Yes. Cheapflights offers flight deals from Ottawa to Houston 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?

    Currently, October is the cheapest month in which you can book a flight from Ottawa to Houston (average of C$ 710). Flying from Ottawa to Houston in August is currently the most expensive (average of C$ 1,011). 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

Alternative routes for Ottawa to Houston

Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Love Field flights
Pearson Intl to San Antonio flights
Toronto Island to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to Dallas/Fort Worth flights
Hamilton to Hobby flights
Hamilton to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to San Antonio flights
Ottawa to Hobby flights
Ottawa to George Bush Intcntl flights
Pearson Intl to El Paso flights
Ottawa to Austin flights
Ottawa to San Antonio flights
Pearson Intl to Corpus Christi flights
London to Dallas/Fort Worth flights
Ottawa to Love Field flights
Pierre Elliott Trudeau Intl to McAllen flights
Ottawa to El Paso flights
Hamilton to Austin flights
Pierre Elliott Trudeau Intl to El Paso flights
Pearson Intl to Lubbock flights
Pearson Intl to Laredo flights
Pierre Elliott Trudeau Intl to Midland flights
Pearson Intl to Brownsville flights
Pearson Intl to Killeen flights
Ottawa to Killeen flights
Pierre Elliott Trudeau Intl to Waco flights
Region of Waterloo Intl to Dallas/Fort Worth flights
London to Love Field flights

Top 2 airlines flying from Ottawa to Houston

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 307AverageC$ 877FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 490AverageC$ 885FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to Houston?

When you search for this flight from Ottawa to Houston, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Houston?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Houston with no change fees?

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

Can Cheapflights notify me if prices for flights from Ottawa to Houston become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to Houston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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