Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Houston from C$ 285

YOW — HOU
7 Oct — 14 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 7/104:15 p.m. -
1 stop31h 25m
Wed 14/102:50 p.m. -
1 stop13h 45m
Deal found 7/9C$ 511
Sat 10/104:15 p.m. -
1 stop31h 25m
Sat 17/102:50 p.m. -
1 stop25h 25m
Deal found 5/9C$ 515
Tue 20/108:15 p.m. -
1 stop18h 40m
Tue 27/108:21 p.m. -
2 stops19h 59m
Deal found 5/9C$ 523
Wed 25/116:10 a.m. -
1 stop17h 05m
Sat 28/118:00 a.m. -
1 stop15h 01m
Deal found 5/9C$ 537
Fri 30/106:10 a.m. -
1 stop18h 05m
Mon 2/118:00 a.m. -
1 stop15h 01m
Deal found 5/9C$ 540
Wed 30/91:20 p.m. -
2 stops17h 42m
Wed 7/102:50 p.m. -
1 stop13h 45m
Deal found 2/9C$ 552
Sat 3/102:00 p.m. -
2 stops24h 55m
Sun 11/102:50 p.m. -
1 stop13h 45m
Deal found 2/9C$ 555
Wed 30/96:55 a.m. -
2 stops10h 35m
Wed 7/103:09 p.m. -
2 stops8h 11m
Deal found 2/9C$ 890
Fri 6/115:30 a.m. -
2 stops36h 02m
Mon 9/113:12 p.m. -
2 stops8h 32m
Deal found 3/9C$ 930
Tue 6/106:55 a.m. -
2 stops10h 38m
Sat 30/16:00 a.m. -
2 stops17h 44m
Deal found 3/9C$ 934
Wed 7/106:55 a.m. -
2 stops17h 08m
Wed 14/106:09 a.m. -
2 stops17h 11m
Deal found 7/9C$ 989
Sat 24/106:55 a.m. -
2 stops17h 08m
Sat 31/106:09 a.m. -
2 stops42h 35m
Deal found 4/9C$ 991

Find flight deals from Ottawa to Houston

Round-trip from

C$ 511

One-way from

C$ 285

Popular in

September

Cheapest in

October

Average price

C$ 1,209
WestJet
  • WestJet
  • 7/10-14/10
  • 2 total stops
  • 45h 10m total
  • Ottawa to Houston
Search Deals
23/10-31/12
  • 23/10-31/12
  • 1 total stop
  • 15h 38m 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$ 39 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

Sun 18/10

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$ 322

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 23/10

6:50 a.m.-6:00 a.m.

3 stops24h 10m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 324

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Fri 30/10

5:35 a.m.-10:31 p.m.

3 stops17h 56m

Houston George Bush Intcntl

Wed 31/12

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

Nonstop0h 00m

C$ 361

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Sun 18/10

6:25 p.m.-10:08 a.m.

2 stops40h 43m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 497

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Sat 31/10

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

2 stops11h 57m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 509

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Wed 7/10

4:15 p.m.-10:40 p.m.

1 stop31h 25m

Houston George Bush Intcntl

Wed 14/10

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

1 stop13h 45m

C$ 511

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Fri 30/10

5:35 a.m.-11:03 p.m.

2 stops18h 28m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 520

OttawaHouston

YOW Ottawa - HOU Houston Hobby

YOWHOU

Ottawa

Sat 31/10

7:05 a.m.-7:54 p.m.

3 stops37h 49m

Houston Hobby

Wed 31/12

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

Nonstop0h 00m

C$ 595

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

Sun 8/11

1:50 p.m.-12:01 a.m.

1 stop33h 11m

C$ 634

OttawaHouston

YOW Ottawa - IAH Houston George Bush Intcntl

YOWIAH

Ottawa

Tue 6/10

8:15 p.m.-10:30 p.m.

2 stops27h 15m

Houston George Bush Intcntl

Sat 30/1

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

1 stop15h 01m

C$ 660

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

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 September is currently the most expensive (average of C$ 1,010). 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
10,173 reviews
Check prices

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

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
10,173 reviews
United Airlines
7.4
Good
10,173 reviews
Check prices

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

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
11,595 reviews
United Airlines
7.4
Good
10,173 reviews
Check prices

Food

6.6

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

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 31h 25m. WestJet provides one of the quickest options available for as low as C$ 511. 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$ 306, 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$ 710). Flying from Ottawa to Houston in September is currently the most expensive (average of C$ 1,010). 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
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Austin flights
Pierre Elliott Trudeau Intl to Hobby flights
Toronto Island to Dallas/Fort Worth flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Austin flights
Toronto Island to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Ottawa to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Ottawa to Hobby flights
Ottawa to George Bush Intcntl flights
Region of Waterloo Intl to Hobby flights
Ottawa to Austin flights
Pierre Elliott Trudeau Intl to San Antonio flights
Hamilton to Austin flights
Ottawa to Love Field flights
Hamilton to Dallas/Fort Worth flights
Ottawa to San Antonio flights
London to Dallas/Fort Worth flights
Ottawa to El Paso flights
Pearson Intl to Corpus Christi flights
Pierre Elliott Trudeau Intl to McAllen flights
Pearson Intl to Laredo flights
Pearson Intl to Brownsville flights
Pierre Elliott Trudeau Intl to El Paso flights
Pearson Intl to Lubbock flights
Pearson Intl to El Paso flights
Pierre Elliott Trudeau Intl to Midland flights
Pearson Intl to Killeen flights
London to Love Field flights
Ottawa to Killeen flights
Region of Waterloo Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Waco flights

Top 2 airlines flying from Ottawa to Houston

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 306AverageC$ 885FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 489AverageC$ 870FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.