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Cheap flights from Ottawa to Houston from C$ 313

YOW — HOU
13 Oct — 20 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

Mon 5/108:15 p.m. -
1 stop18h 40m
Sat 30/18:00 a.m. -
1 stop15h 01m
Deal found 10/9C$ 516
Thu 26/116:10 a.m. -
1 stop17h 05m
Mon 30/118:00 a.m. -
1 stop15h 01m
Deal found 9/9C$ 520
Fri 9/106:50 a.m. -
2 stops32h 58m
Fri 16/106:30 a.m. -
1 stop9h 45m
Deal found 12/9C$ 523
Wed 7/101:20 p.m. -
2 stops27h 03m
Wed 14/102:50 p.m. -
1 stop13h 45m
Deal found 9/9C$ 542
Wed 25/116:10 a.m. -
1 stop17h 05m
Sat 28/118:00 a.m. -
1 stop15h 01m
Deal found 9/9C$ 551
Fri 23/102:00 p.m. -
2 stops22h 57m
Tue 27/108:18 a.m. -
1 stop8h 02m
Deal found 12/9C$ 552
Thu 5/116:10 a.m. -
1 stop17h 05m
Mon 9/118:00 a.m. -
1 stop29h 30m
Deal found 11/9C$ 553
Mon 5/104:15 p.m. -
2 stops31h 15m
Sat 30/18:00 a.m. -
1 stop15h 01m
Deal found 10/9C$ 555
Tue 1/125:30 a.m. -
2 stops29h 06m
Mon 7/125:27 p.m. -
2 stops30h 17m
Deal found 8/9C$ 968
Tue 1/125:30 a.m. -
2 stops29h 06m
Sat 5/126:08 a.m. -
2 stops17h 36m
Deal found 7/9C$ 971
Tue 27/105:35 a.m. -
2 stops18h 28m
Tue 3/1111:12 a.m. -
2 stops36h 32m
Deal found 12/9C$ 972
Thu 5/115:30 a.m. -
2 stops18h 33m
Mon 9/115:24 p.m. -
2 stops30h 20m
Deal found 11/9C$ 974

Find flight deals from Ottawa to Houston

Round-trip from

C$ 501

One-way from

C$ 313

Popular in

September

Cheapest in

October

Average price

C$ 1,212
WestJet
  • WestJet
  • 5/11-9/11
  • 2 total stops
  • 32h 06m total
  • Ottawa to Houston
Search Deals
24/10-31/12
  • 24/10-31/12
  • 3 total stops
  • 22h 19m total
  • Ottawa to Houston
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 38 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 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

Sat 24/10

10:00 a.m.-7:19 a.m.

3 stops22h 19m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 313

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$ 327

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
Quickest round-trip

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 14/10

2:50 p.m.-7:52 p.m.

1 stop6h 02m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 470

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Thu 17/9

2:45 p.m.-7:52 p.m.

1 stop6h 07m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 495

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Sun 1/11

8:00 a.m.-3:01 p.m.

2 stops32h 01m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 513

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Fri 30/10

5:35 a.m.-4:32 p.m.

2 stops35h 57m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 527

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Mon 5/10

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

1 stop18h 40m

Houston George Bush Intcntl

Sat 30/1

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

1 stop15h 01m

C$ 527

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 30/10

8:00 a.m.-9:21 a.m.

1 stop26h 21m

Houston George Bush Intcntl

Fri 6/11

8:18 a.m.-5:15 p.m.

2 stops31h 57m

C$ 527

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Sat 3/10

6:55 a.m.-10:39 p.m.

2 stops16h 44m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 533

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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$ 849). Flying from Ottawa to Houston in September is currently the most expensive (average of C$ 1,013). 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
10,211 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.7

Comfort

7.3

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
10,211 reviews
United Airlines
7.4
Good
10,211 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.7

Comfort

7.3

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
11,619 reviews
United Airlines
7.4
Good
10,211 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.7

Comfort

7.3

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$ 527. 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 66% 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$ 849). Flying from Ottawa to Houston in September is currently the most expensive (average of C$ 1,013). 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
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Hobby flights
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Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pearson Intl to Austin flights
Toronto Island to Dallas/Fort Worth flights
Toronto Island to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Hamilton to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to San Antonio flights
Ottawa to Austin flights
Ottawa to Hobby flights
Ottawa to George Bush Intcntl flights
Hamilton to Dallas/Fort Worth flights
Region of Waterloo Intl to Hobby flights
Ottawa to Love Field flights
Ottawa to San Antonio flights
London to Dallas/Fort Worth flights
Ottawa to El Paso flights
Pearson Intl to Corpus Christi flights
Pearson Intl to El Paso flights
Hamilton to Austin flights
Pierre Elliott Trudeau Intl to McAllen flights
Pearson Intl to Laredo flights
Pearson Intl to Brownsville flights
Pierre Elliott Trudeau Intl to Midland flights
Pearson Intl to Lubbock flights
Pearson Intl to Killeen flights
Pierre Elliott Trudeau Intl to El Paso flights
London to Love Field flights
Region of Waterloo Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Waco flights
Ottawa to Killeen flights

Top 2 airlines flying from Ottawa to Houston

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 307AverageC$ 888FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 490AverageC$ 867FlexibilityNo 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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