How long is the flight from Ottawa to Houston?

A quick flight from Ottawa to Houston can take about 14h 58m. WestJet provides one of the quickest options available for as low as C$ 1,098. Ottawa and Houston are separated by a distance of 2441 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

United Airlines, at C$ 494, was found to be the cheapest airline from Ottawa to Houston. An alternate airline flying to your destination would be Air Canada. United Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

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.

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.

C$ 211+ Flights from Ottawa to Houston

Q: How much does it cost to fly round-trip from Ottawa to Houston?

Airfare is below average for this route at the moment. Ottawa to Houston flights typically cost between C$ 974 and C$ 1,218 in December. The cheapest round-trip price found within the last 3 days was C$ 363 on Multiple Airlines (13 Dec-15 Dec).

Cheapflights Tip: The best prices from Ottawa to Houston are usually found in May or January, booked 67 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Find flight deals from Ottawa to Houston

Enter your travel dates to find the best prices.

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 29 October 2025.

Sat 13/124:20 p.m.YOW - IAH

3 stops26h 23mMultiple Airlines

Mon 15/126:14 a.m.IAH - YOW

1 stop17h 11mMultiple Airlines

Deal found 29/10C$ 363

Wed 24/129:30 a.m.YOW - IAH

1 stop10h 34mMultiple Airlines

Sat 10/18:17 p.m.IAH - YOW

1 stop26h 41mMultiple Airlines

Deal found 28/10C$ 412

Mon 24/114:15 p.m.YOW - IAH

1 stop9h 26mMultiple Airlines

Mon 1/122:59 p.m.IAH - YOW

1 stop8h 26mMultiple Airlines

Deal found 27/10C$ 415

Mon 3/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Tue 11/118:47 p.m.IAH - YOW

2 stops19h 38mMultiple Airlines

Deal found 27/10C$ 479

Sat 13/125:40 a.m.YOW - HOU

2 stops32h 48mWestJet

Mon 15/1210:39 a.m.HOU - YOW

2 stops13h 03mWestJet

Deal found 29/10C$ 957

Fri 14/115:40 a.m.YOW - HOU

2 stops29h 05mWestJet

Sun 16/116:00 a.m.HOU - YOW

2 stops41h 42mWestJet

Deal found 26/10C$ 1,095

Thu 11/1210:00 a.m.YOW - HOU

2 stops14h 58mAmerican Airlines

Thu 18/125:40 a.m.HOU - YOW

2 stops10h 11mAmerican Airlines

Deal found 27/10C$ 1,098

Thu 27/116:45 a.m.YOW - HOU

3 stops34h 09mAmerican Airlines

Tue 2/126:42 p.m.HOU - YOW

2 stops21h 09mAmerican Airlines

Deal found 28/10C$ 1,101

Thu 6/115:40 a.m.YOW - HOU

2 stops18h 20mWestJet

Mon 10/1110:40 a.m.HOU - YOW

2 stops13h 02mWestJet

Deal found 27/10C$ 1,123

Mon 3/115:40 a.m.YOW - HOU

2 stops13h 08mWestJet

Sat 8/1110:13 a.m.HOU - YOW

2 stops13h 29mWestJet

Deal found 27/10C$ 1,130

Thu 27/115:40 a.m.YOW - HOU

2 stops28h 55mWestJet

Tue 2/122:32 p.m.HOU - YOW

2 stops9h 10mWestJet

Deal found 28/10C$ 1,135

Sat 8/115:40 a.m.YOW - HOU

2 stops13h 08mWestJet

Sun 16/112:32 p.m.HOU - YOW

2 stops9h 10mWestJet

Deal found 28/10C$ 1,216

Best flights from Ottawa to Houston
Discover carefully curated flight deals from Ottawa to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 October 2025.

Sat 13/124:20 p.m.YOW - IAH

3 stops26h 23mMultiple Airlines

Mon 15/126:14 a.m.IAH - YOW

1 stop17h 11mMultiple Airlines

Deal found 29/10C$ 363

Tue 17/27:00 a.m.YOW - IAH

3 stops26h 42mMultiple Airlines

Sun 22/25:45 a.m.IAH - YOW

1 stop17h 40mMultiple Airlines

Deal found 26/10C$ 397

Wed 24/129:30 a.m.YOW - IAH

1 stop10h 34mMultiple Airlines

Sat 10/18:17 p.m.IAH - YOW

1 stop26h 41mMultiple Airlines

Deal found 27/10C$ 412

Sat 13/125:40 a.m.YOW - HOU

2 stops32h 48mWestJet

Mon 15/1210:39 a.m.HOU - YOW

2 stops13h 03mWestJet

Deal found 29/10C$ 957

Mon 24/114:15 p.m.YOW - IAH

1 stop9h 26mMultiple Airlines

Mon 1/122:59 p.m.IAH - YOW

1 stop8h 26mMultiple Airlines

Deal found 27/10C$ 415

Thu 11/1210:00 a.m.YOW - HOU

2 stops14h 58mAmerican Airlines

Thu 18/125:40 a.m.HOU - YOW

2 stops10h 11mAmerican Airlines

Deal found 27/10C$ 1,098

Fri 13/24:20 p.m.YOW - IAH

3 stops32h 10mMultiple Airlines

Fri 20/25:45 a.m.IAH - YOW

1 stop17h 40mMultiple Airlines

Deal found 26/10C$ 443

Wed 25/27:00 a.m.YOW - IAH

3 stops26h 42mMultiple Airlines

Mon 2/38:21 p.m.IAH - YOW

2 stops20h 04mMultiple Airlines

Deal found 29/10C$ 464

Sun 18/15:40 a.m.YOW - HOU

2 stops35h 32mWestJet

Thu 22/111:09 a.m.HOU - YOW

2 stops12h 33mWestJet

Deal found 28/10C$ 1,010

Thu 27/116:45 a.m.YOW - HOU

3 stops34h 09mAmerican Airlines

Tue 2/126:42 p.m.HOU - YOW

2 stops21h 09mAmerican Airlines

Deal found 28/10C$ 1,101

Fri 14/115:40 a.m.YOW - HOU

2 stops29h 05mWestJet

Sun 16/116:00 a.m.HOU - YOW

2 stops41h 42mWestJet

Deal found 26/10C$ 1,095

Thu 27/115:40 a.m.YOW - HOU

2 stops28h 55mWestJet

Tue 2/122:32 p.m.HOU - YOW

2 stops9h 10mWestJet

Deal found 28/10C$ 1,135

Tue 23/126:45 a.m.YOW - HOU

3 stops14h 05mAmerican Airlines

Tue 30/128:16 p.m.HOU - YOW

2 stops19h 35mAmerican Airlines

Deal found 27/10C$ 1,301

Tue 17/26:45 a.m.YOW - HOU

3 stops14h 09mAmerican Airlines

Sun 22/28:24 p.m.HOU - YOW

2 stops19h 27mAmerican Airlines

Deal found 26/10C$ 1,325

Sat 8/115:40 a.m.YOW - HOU

2 stops13h 08mWestJet

Sun 16/112:32 p.m.HOU - YOW

2 stops9h 10mWestJet

Deal found 28/10C$ 1,216

Tue 23/125:40 a.m.YOW - HOU

2 stops38h 34mWestJet

Tue 30/1210:46 a.m.HOU - YOW

2 stops36h 56mWestJet

Deal found 27/10C$ 1,238

Tue 17/25:40 a.m.YOW - HOU

2 stops17h 06mWestJet

Sun 22/26:00 a.m.HOU - YOW

2 stops17h 39mWestJet

Deal found 26/10C$ 1,251

Last-minute flights from Ottawa to Houston
Discover last-minute flight deals from Ottawa to Houston. Data last updated 29 October 2025 and is based on user searches.

Mon 3/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Tue 11/118:47 p.m.IAH - YOW

2 stops19h 38mMultiple Airlines

Deal found 27/10C$ 479

Mon 3/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Tue 4/118:03 p.m.IAH - YOW

1 stop20h 10mMultiple Airlines

Deal found 27/10C$ 481

Mon 3/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Wed 5/1110:28 a.m.IAH - YOW

1 stop29h 45mMultiple Airlines

Deal found 27/10C$ 482

Mon 3/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Wed 12/115:34 a.m.IAH - YOW

1 stop10h 51mMultiple Airlines

Deal found 27/10C$ 488

Mon 3/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Thu 13/115:34 a.m.IAH - YOW

1 stop10h 51mMultiple Airlines

Deal found 27/10C$ 509

Mon 3/115:40 a.m.YOW - HOU

2 stops13h 08mWestJet

Sat 8/1110:13 a.m.HOU - YOW

2 stops13h 29mWestJet

Deal found 27/10C$ 1,130

Tue 4/116:45 a.m.YOW - IAH

2 stops11h 41mMultiple Airlines

Tue 4/118:03 p.m.IAH - YOW

1 stop20h 10mMultiple Airlines

Deal found 27/10C$ 518

Thu 6/115:40 a.m.YOW - HOU

2 stops18h 20mWestJet

Mon 10/1110:40 a.m.HOU - YOW

2 stops13h 02mWestJet

Deal found 27/10C$ 1,123

Fri 14/115:40 a.m.YOW - HOU

2 stops29h 05mWestJet

Sun 16/116:00 a.m.HOU - YOW

2 stops41h 42mWestJet

Deal found 26/10C$ 1,095

Mon 24/114:15 p.m.YOW - IAH

1 stop9h 26mMultiple Airlines

Mon 1/122:59 p.m.IAH - YOW

1 stop8h 26mMultiple Airlines

Deal found 27/10C$ 415

Thu 27/116:45 a.m.YOW - HOU

3 stops34h 09mAmerican Airlines

Tue 2/126:42 p.m.HOU - YOW

2 stops21h 09mAmerican Airlines

Deal found 28/10C$ 1,101

Thu 27/115:40 a.m.YOW - HOU

2 stops28h 55mWestJet

Tue 2/122:32 p.m.HOU - YOW

2 stops9h 10mWestJet

Deal found 28/10C$ 1,135

One-way flights from Ottawa to Houston
Search for one-way flight options from Ottawa to Houston. Find affordable one-way fares based on user searches. Data last updated 29 October 2025.

Thu 11/124:15 p.m.YOW - IAH

1 stop9h 42mMultiple Airlines

Deal found 26/10C$ 211

Wed 10/124:15 p.m.YOW - IAH

1 stop18h 13mMultiple Airlines

Deal found 27/10C$ 214

Thu 20/114:15 p.m.YOW - IAH

1 stop9h 26mMultiple Airlines

Deal found 27/10C$ 224

Wed 19/114:15 p.m.YOW - IAH

1 stop9h 03mMultiple Airlines

Deal found 27/10C$ 242

Thu 11/124:15 p.m.YOW - HOU

2 stops28h 05mMultiple Airlines

Deal found 28/10C$ 320

Sat 31/12:15 p.m.YOW - IAH

1 stop7h 18mUnited Airlines

Deal found 27/10C$ 388

Thu 20/1112:10 p.m.YOW - HOU

3 stops32h 32mMultiple Airlines

Deal found 27/10C$ 442

Wed 19/115:40 a.m.YOW - HOU

2 stops18h 27mWestJet

Deal found 27/10C$ 552

Wed 19/116:45 a.m.YOW - HOU

3 stops30h 21mMultiple Airlines

Deal found 27/10C$ 594

Cheap flight deals from Ottawa to Houston

Round-trip from	C$ 363
One-way from	C$ 211
Popular in	August
Cheapest in	May
Average price	C$ 1,047

13/12-15/12
4 total stops
43h 34m total
Ottawa to Houston

Search Deals

11/12
1 total stop
9h 42m total
Ottawa to Houston

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sat 13/12

4:20 p.m.-5:43 p.m.

3 stops26h 23m

Houston George Bush Intcntl

Mon 15/12

6:14 a.m.-12:25 a.m.

1 stop17h 11m

C$ 363

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 17/2

7:00 a.m.-8:42 a.m.

3 stops26h 42m

Houston George Bush Intcntl

Sun 22/2

5:45 a.m.-12:25 a.m.

1 stop17h 40m

C$ 397

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 24/12

9:30 a.m.-7:04 p.m.

1 stop10h 34m

Houston George Bush Intcntl

Sat 10/1

8:17 p.m.-11:58 p.m.

1 stop26h 41m

C$ 412

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 24/11

4:15 p.m.-12:41 a.m.

1 stop9h 26m

Houston George Bush Intcntl

Mon 1/12

2:59 p.m.-12:25 a.m.

1 stop8h 26m

C$ 415

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Fri 13/2

4:20 p.m.-11:30 p.m.

3 stops32h 10m

Houston George Bush Intcntl

Fri 20/2

5:45 a.m.-12:25 a.m.

1 stop17h 40m

C$ 443

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 25/2

7:00 a.m.-8:42 a.m.

3 stops26h 42m

Houston George Bush Intcntl

Mon 2/3

8:21 p.m.-5:25 p.m.

2 stops20h 04m

C$ 464

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sat 13/12

5:40 a.m.-1:28 p.m.

2 stops32h 48m

Houston Hobby

Mon 15/12

10:39 a.m.-12:42 a.m.

2 stops13h 03m

C$ 957

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Sun 18/1

5:40 a.m.-4:12 p.m.

2 stops35h 32m

Houston Hobby

Thu 22/1

11:09 a.m.-12:42 a.m.

2 stops12h 33m

C$ 1,010

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Fri 14/11

5:40 a.m.-9:45 a.m.

2 stops29h 05m

Houston Hobby

Sun 16/11

6:00 a.m.-12:42 a.m.

2 stops41h 42m

C$ 1,095

OttawaHouston

YOW - HOU

YOWHOU

Ottawa

Thu 11/12

10:00 a.m.-11:58 p.m.

2 stops14h 58m

Houston Hobby

Thu 18/12

5:40 a.m.-4:51 p.m.

2 stops10h 11m

C$ 1,098

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 27 results

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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Houston

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

Booking 66 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, December is the cheapest month in which you can book a flight from Ottawa to Houston (average of C$ 404). Flying from Ottawa to Houston in August is currently the most expensive (average of C$ 687). 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?

A simple way to save on the total cost of your ticket is to fly from Ottawa to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Ottawa to Houston?

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

8,999 reviews

Check prices

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

8,999 reviews

United Airlines

7.4

Good

8,999 reviews

Check prices

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

10,372 reviews

United Airlines

7.4

Good

8,999 reviews

Check prices

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 14h 58m. WestJet provides one of the quickest options available for as low as C$ 1,098. Ottawa and Houston are separated by a distance of 2441 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Ottawa to Houston round-trip?
United Airlines, at C$ 494, was found to be the cheapest airline from Ottawa to Houston. An alternate airline flying to your destination would be Air Canada. United Airlines is 47% 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, December is the cheapest month in which you can book a flight from Ottawa to Houston (average of C$ 404). Flying from Ottawa to Houston in August is currently the most expensive (average of C$ 687). 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

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Complete your trip

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Top 2 airlines flying from Ottawa to Houston

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 494	AverageC$ 889	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 608	AverageC$ 868	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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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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Cheap flights from Ottawa to Houston from C$ 211

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Ottawa to Houston are usually found in May or January, booked 67 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Find flight deals from Ottawa to Houston

Cheapest flights from Ottawa to HoustonExplore 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 29 October 2025.

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 29 October 2025.

Cheap flight deals from Ottawa to Houston

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to Houston that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Houston

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 24 October 2025.

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

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 29 October 2025.

How much does it cost to fly round-trip from Ottawa to Houston?

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.

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?

How long is the flight from Ottawa to Houston?

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

Can I find deals for flights from Ottawa to Houston that include hotel bookings?

How can I find direct flights from Ottawa to Houston?

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

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 2 airlines flying from Ottawa to Houston

Fly with Cheapflights

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

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

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

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

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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 29 October 2025.