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£145+ Direct flights from Ottawa

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — LHR
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Direct flights from Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa
Explore the most affordable flight options available from Ottawa. Find the lowest fares based on data from user searches, with prices last updated on 5 December 2025.

Sat 10/118:55YOW - YYC
Nonstop4h 40mPorter Airlines
Mon 12/108:15YYC - YOW
Nonstop4h 07mPorter Airlines
Deal found 3/12£199
Wed 7/118:55YOW - YYC
Nonstop4h 40mPorter Airlines
Sun 25/108:15YYC - YOW
Nonstop4h 07mPorter Airlines
Deal found 3/12£214
Sat 17/118:50YOW - YVR
Nonstop5h 35mPorter Airlines
Sat 24/107:00YVR - YOW
Nonstop4h 45mPorter Airlines
Deal found 3/12£256
Sat 17/118:50YOW - YVR
Nonstop5h 35mPorter Airlines
Mon 19/107:00YVR - YOW
Nonstop4h 45mPorter Airlines
Deal found 3/12£256
Sat 10/118:50YOW - YVR
Nonstop5h 35mPorter Airlines
Fri 16/112:20YVR - YOW
Nonstop4h 45mPorter Airlines
Deal found 4/12£265
Sun 11/106:00YOW - YYC
Nonstop4h 49mWestJet
Sun 11/118:40YYC - YOW
Nonstop4h 00mWestJet
Deal found 2/12£280
Wed 27/506:00YOW - YYC
Nonstop4h 25mWestJet
Sun 31/509:00YYC - YOW
Nonstop3h 55mWestJet
Deal found 3/12£281
Wed 27/514:00YOW - YYC
Nonstop4h 30mPorter Airlines
Sun 31/523:55YYC - YOW
Nonstop4h 03mPorter Airlines
Deal found 4/12£283
Thu 9/418:00YOW - YVR
Nonstop4h 55mAir Canada
Mon 13/423:00YVR - YOW
Nonstop4h 45mAir Canada
Deal found 3/12£291
Mon 5/117:45YOW - YYC
Nonstop4h 41mWestJet
Sun 11/118:40YYC - YOW
Nonstop4h 00mWestJet
Deal found 2/12£315
Mon 5/118:55YOW - YYC
Nonstop4h 40mPorter Airlines
Sat 10/108:10YYC - YOW
Nonstop4h 07mPorter Airlines
Deal found 2/12£323
Tue 28/418:45YOW - YVR
Nonstop5h 35mAir Transat
Sun 31/507:00YVR - YOW
Nonstop4h 44mAir Transat
Deal found 2/12£326

Find direct flights from Ottawa within your budget

 
Use the slider to find direct flights from Ottawa within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches. This data was last updated on 5 December 2025.

Fly to

Heathrow

Route

Depart

Return

Price

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Sat 10/1

18:55-21:35

Nonstop4h 40m

Calgary

Mon 12/1

08:15-14:22

Nonstop4h 07m

£199

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Sat 17/1

18:50-21:25

Nonstop5h 35m

Vancouver Intl

Sat 24/1

07:00-14:45

Nonstop4h 45m

£256

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Sat 17/1

18:50-21:25

Nonstop5h 35m

Vancouver Intl

Mon 19/1

07:00-14:45

Nonstop4h 45m

£256

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Sat 10/1

18:50-21:25

Nonstop5h 35m

Vancouver Intl

Fri 16/1

12:20-20:05

Nonstop4h 45m

£265

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Sun 11/1

06:00-08:49

Nonstop4h 49m

Calgary

Sun 11/1

18:40-00:40

Nonstop4h 00m

£280

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Wed 27/5

19:15-21:40

Nonstop4h 25m

Calgary

Sun 31/5

18:45-00:40

Nonstop3h 55m

£283

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Wed 27/5

14:00-16:30

Nonstop4h 30m

Calgary

Sun 31/5

23:55-05:58

Nonstop4h 03m

£283

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Thu 9/4

07:45-10:00

Nonstop5h 15m

Vancouver Intl

Mon 13/4

23:00-06:45

Nonstop4h 45m

£292

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Mon 5/1

17:45-20:26

Nonstop4h 41m

Calgary

Sun 11/1

18:40-00:40

Nonstop4h 00m

£315

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Mon 4/5

08:45-11:10

Nonstop5h 25m

Vancouver Intl

Sun 31/5

07:00-14:44

Nonstop4h 44m

£326

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 46 results
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Best time to book a flight from Ottawa

Have a flexible travel schedule? Discover the best time to fly from Ottawa with our price prediction graph.
Estimated return 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.

Reviews of airlines flying non-stop to Ottawa

Get insights into the airlines that provide direct flights from Ottawa. 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 from Ottawa. Reviews last updated Cheapflights.
See what other customers who have flown with Air Canada from Ottawa have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,500 reviews
Check prices

Comfort

7.1

Food

6.3

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
10,500 reviews
Air Canada
7.1
Good
10,500 reviews
Check prices

Comfort

7.1

Food

6.3

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

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