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Cheap flights from Ottawa to Houston from C$ 373

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — HOU
26 Jan — 2 Feb1
1 adult

The best prices from Ottawa to Houston are usually found in October or July, booked 32 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Ottawa to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

C$ 474

One-way from

C$ 373

Popular in

April

Cheapest in

October

Average price

C$ 870
25/2-11/3
  • 25/2-11/3
  • 3 total stops
  • 37h 50m total
  • Ottawa to Houston
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20/4
  • 20/4
  • 3 total stops
  • 23h 05m total
  • Ottawa to Houston
Search Deals
High demand for flights, 9% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Ottawa to Houston

Cheapest flights from Ottawa to Houston
Explore the most affordable flight options available from Ottawa to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Tue 25/28:45 a.m.YOW - IAH
2 stops13h 46mMultiple Airlines
Tue 11/34:06 p.m.IAH - YOW
1 stop24h 04mMultiple Airlines
Deal found 20/1C$ 474
Thu 12/66:00 a.m.YOW - IAH
1 stop17h 42mWestJet
Sat 14/63:00 p.m.IAH - YOW
1 stop14h 45mWestJet
Deal found 20/1C$ 754
Tue 25/25:55 a.m.YOW - HOU
2 stops17h 34mWestJet
Tue 11/310:41 a.m.HOU - YOW
2 stops12h 28mWestJet
Deal found 20/1C$ 907
Mon 19/55:25 p.m.YOW - IAH
1 stop8h 26mUnited Airlines
Sun 25/55:05 a.m.IAH - YOW
2 stops8h 22mUnited Airlines
Deal found 20/1C$ 911
Thu 6/311:35 a.m.YOW - IAH
1 stop10h 39mAir Canada
Sat 15/37:20 a.m.IAH - YOW
1 stop6h 52mAir Canada
Deal found 20/1C$ 921
Mon 10/25:55 a.m.YOW - HOU
2 stops12h 47mDelta
Wed 19/26:00 a.m.HOU - YOW
2 stops17h 09mDelta
Deal found 20/1C$ 2,088
Sat 8/35:55 a.m.YOW - IAH
2 stops13h 47mDelta
Sat 15/36:00 a.m.IAH - YOW
2 stops17h 09mDelta
Deal found 20/1C$ 3,494

Find flights from Ottawa to Houston within your budget

Customize your flight search to find flights from Ottawa to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/2

8:45 a.m.-9:31 p.m.

2 stops13h 46m

Houston George Bush Intcntl

Tue 11/3

4:06 p.m.-5:10 p.m.

1 stop24h 04m

C$ 474

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 12/6

6:00 a.m.-10:42 p.m.

1 stop17h 42m

Houston George Bush Intcntl

Sat 14/6

3:00 p.m.-6:45 a.m.

1 stop14h 45m

C$ 754

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 25/2

5:55 a.m.-10:29 p.m.

2 stops17h 34m

Houston Hobby

Tue 11/3

10:41 a.m.-12:09 a.m.

2 stops12h 28m

C$ 907

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 19/5

5:25 p.m.-12:51 a.m.

1 stop8h 26m

Houston George Bush Intcntl

Sun 25/5

5:05 a.m.-2:27 p.m.

2 stops8h 22m

C$ 911

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 6/3

11:35 a.m.-9:14 p.m.

1 stop10h 39m

Houston George Bush Intcntl

Sat 15/3

7:20 a.m.-3:12 p.m.

1 stop6h 52m

C$ 921

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Mon 10/2

5:55 a.m.-5:42 p.m.

2 stops12h 47m

Houston Hobby

Wed 19/2

6:00 a.m.-12:09 a.m.

2 stops17h 09m

C$ 2,088

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 8/3

5:55 a.m.-6:42 p.m.

2 stops13h 47m

Houston George Bush Intcntl

Sat 15/3

6:00 a.m.-12:09 a.m.

2 stops17h 09m

C$ 3,494

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 20/4

6:15 a.m.-4:20 a.m.

3 stops23h 05m

C$ 373

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 4/3

5:55 a.m.-2:12 p.m.

2 stops33h 17m

C$ 510

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Tue 4/3

4:05 p.m.-5:42 p.m.

3 stops50h 37m

C$ 1,716

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/1

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ottawa to Houston

Get recent, data-driven insights about flights from Ottawa to Houston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Ottawa to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Houston. Price data was last updated on 17 January 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Ottawa to Houston (average of C$ 364). Flying from Ottawa to Houston in May is currently the most expensive (average of C$ 523). 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.

What is the cheapest time of day to fly from YOW to HOU?

Find hourly flight availability from Ottawa to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

A simple way to save on the total cost of your ticket is to fly from Ottawa to Houston in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight at noon.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 mm per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated 21 January 2025.
Read reviews from past customers who have flown WestJet and Delta from Ottawa to Houston. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,828 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,627 reviews
Delta
8.0
Very good
8,521 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

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

    WestJet, at C$ 754, was found to be the cheapest airline from Ottawa to Houston.Alternate airlines to your destination round-trip include United Airlines and Air Canada. WestJet is 16% 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, September is the cheapest month in which you can book a flight from Ottawa to Houston (average of C$ 364). Flying from Ottawa to Houston in May is currently the most expensive (average of C$ 523). 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

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Alternative routes for Ottawa to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ottawa to Houston

Discover the top 2 airlines that operate flights from Ottawa to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 548AverageC$ 986FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 666AverageC$ 906FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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