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£91+ Cheap flights from Ottawa

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. 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
20 Jul — 27 Jul1
1 adult

What to know about flights from Ottawa

Discover essential information about flights departing from Ottawa, including flight schedules, destinations, airlines operating at the Ottawa airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 15 July 2025.

Cheapest airline

Porter Airlines

Good round-trip deal

£137 or less

Good one-way deal

£128 or less
On average, Porter Airlines currently has the cheapest one-way flight from Ottawa (avg. price of £186).
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Price to beat on a round-trip flight from Ottawa.
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Price to beat on a one-way flight from Ottawa.
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Find flights from Ottawa

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 15 July 2025.

Thu 28/815:45YOW - YYC
Nonstop4h 25mWestJet
Thu 4/911:30YYC - YOW
2 stops10h 52mWestJet
Deal found 13/7£157
Sat 16/805:45YOW - YVR
Nonstop5h 23mWestJet
Tue 26/817:05YVR - YOW
Nonstop4h 43mWestJet
Deal found 14/7£162
Thu 28/807:50YOW - YYC
Nonstop4h 27mMultiple Airlines
Wed 3/901:10YYC - YOW
1 stop5h 50mMultiple Airlines
Deal found 13/7£163
Thu 28/805:45YOW - YVR
Nonstop5h 23mMultiple Airlines
Wed 3/900:40YVR - YOW
Nonstop4h 43mMultiple Airlines
Deal found 14/7£168
Wed 6/811:00YOW - YYC
2 stops13h 30mPorter Airlines
Fri 8/823:55YYC - YOW
Nonstop4h 03mPorter Airlines
Deal found 14/7£182
Sat 30/809:00YOW - YVR
Nonstop5h 25mPorter Airlines
Wed 3/907:00YVR - YOW
Nonstop4h 44mPorter Airlines
Deal found 14/7£196
Sat 13/905:55YOW - EDI
1 stop23h 10mMultiple Airlines
Tue 23/910:00EDI - YOW
2 stops35h 58mMultiple Airlines
Deal found 13/7£483
Wed 3/920:55YOW - EDI
1 stop31h 10mAir Canada
Thu 11/909:00EDI - YOW
1 stop17h 09mAir Canada
Deal found 14/7£525
Sat 13/907:00YOW - LGW
2 stops18h 20mMultiple Airlines
Sat 20/909:40LGW - YOW
1 stop12h 41mMultiple Airlines
Deal found 14/7£525
Fri 10/1013:55YOW - EDI
1 stop12h 25mLufthansa
Mon 20/1009:00EDI - YOW
1 stop13h 04mLufthansa
Deal found 13/7£527
Sun 28/913:55YOW - LHR
2 stops14h 10mAer Lingus
Tue 7/1009:50LHR - YOW
2 stops16h 19mAer Lingus
Deal found 13/7£533
Mon 13/1013:25YOW - LHR
3 stops23h 20mMultiple Airlines
Mon 20/1013:45LHR - YOW
3 stops29h 06mMultiple Airlines
Deal found 14/7£538

Find flights from Ottawa within your budget

Find flights departing from Ottawa that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 15 July 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Thu 28/8

15:45-18:10

Nonstop4h 25m

Calgary

Thu 4/9

11:30-00:22

2 stops10h 52m

£157

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Sat 16/8

05:45-08:08

Nonstop5h 23m

Vancouver Intl

Tue 26/8

17:05-00:48

Nonstop4h 43m

£162

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Thu 28/8

07:50-10:17

Nonstop4h 27m

Calgary

Wed 3/9

01:10-09:00

1 stop5h 50m

£163

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Thu 28/8

05:45-08:08

Nonstop5h 23m

Vancouver Intl

Wed 3/9

00:40-08:23

Nonstop4h 43m

£168

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Wed 6/8

11:00-22:30

2 stops13h 30m

Calgary

Fri 8/8

23:55-05:58

Nonstop4h 03m

£182

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Sat 30/8

09:00-11:25

Nonstop5h 25m

Vancouver Intl

Wed 3/9

07:00-14:44

Nonstop4h 44m

£196

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Sat 13/9

05:55-10:05

1 stop23h 10m

Edinburgh Turnhouse

Tue 23/9

10:00-16:58

2 stops35h 58m

£483

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Wed 3/9

20:55-09:05

1 stop31h 10m

Edinburgh Turnhouse

Thu 11/9

09:00-21:09

1 stop17h 09m

£525

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 13/9

07:00-06:20

2 stops18h 20m

London Gatwick

Sat 20/9

09:40-17:21

1 stop12h 41m

£525

OttawaEdinburgh

YOW - EDI

YOWEDI

Ottawa

Fri 10/10

13:55-07:20

1 stop12h 25m

Edinburgh Turnhouse

Mon 20/10

09:00-17:04

1 stop13h 04m

£527

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 60 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.

Travel insights for flights from Ottawa

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

When is the best time to book a flight from Ottawa?

Use this chart to determine the optimal time to book a return flight from Ottawa to Heathrow. Price data was last updated on 11 July 2025.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa. 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?

Currently, January is the cheapest month in which you can book a flight from Ottawa (average of £362). Flying from Ottawa in July will prove the most costly (average of £499). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Ottawa?

Only one airline operates round-trip flights from Ottawa: Air Canada. This airline flies to the following popular destinations: London.

Air Canada
Air Canada
From £568
Porter Airlines
Porter Airlines
From £182
Air France
Air France
From £599
WestJet
WestJet
From £91

What are popular destinations to fly to from Ottawa?

If you’re flying from Ottawa, these routes are more frequently taken by airlines Toronto (980 flights per day), Montreal (284 flights per day) and Chicago (168 flights per day).

Toronto
Toronto
From £117
New York
New York
From £196
Montreal
Montreal
From £135
Vancouver Intl
Vancouver Intl
From £136

What is the cheapest place to fly to from Ottawa?

The cheapest city to fly to from Ottawa is Toronto, with prices starting at £87. Explore other affordable destinations below.

Toronto
Toronto
From £117
Calgary
Calgary
From £119
Montreal
Montreal
From £135
Vancouver Intl
Vancouver Intl
From £136

Airline reviews for flights from Ottawa

Get insights into the airlines that provide service 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 airline for your flight from Ottawa. In the last 7 days, Cheapflights users made a total of 858,174 searches.
See what other customers who have flown with Austrian Airlines, SWISS, andUnited Airlines from Ottawa have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
814 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
814 reviews
Austrian Airlines
7.6
Good
814 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.5
Good
1,658 reviews
Austrian Airlines
7.6
Good
814 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
United Airlines
7.4
Good
8,861 reviews
Austrian Airlines
7.6
Good
814 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Virgin Atlantic
7.4
Good
655 reviews
Austrian Airlines
7.6
Good
814 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
WestJet
7.2
Good
2,942 reviews
Austrian Airlines
7.6
Good
814 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Entertainment

6.8

Comfort

7.3

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Access useful and relevant information related to your journey from Ottawa. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 15 July 2025.

  • What are the most popular destinations to fly to from Ottawa?

    This month, the top selected destinations from Ottawa are Beirut, Fort Lauderdale, Cancún. Throughout the year, Fort Lauderdale, Cancún, New Delhi are some of the top choices made by users flying from Ottawa.

  • What is the cheapest flight from Ottawa to anywhere?

    Users have flown out of Ottawa for as low as £87 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £379 to fly from Ottawa.

  • What are the cheapest airlines flying from Ottawa to anywhere?

    Over the past few days, we've found that WestJet, Porter Airlines, and Air Canada have the cheapest prices from Ottawa. WestJet flights from Ottawa to Calgary (£68), Porter Airlines flights from Ottawa to Newark (£136), and Air Canada flights from Ottawa to Brussels Bruxelles-National (£422).

  • What is the cheapest premium economy flight from Ottawa?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Ottawa.
    Ottawa to Toronto Pearson Intl Airport from £1,095
    Ottawa to Montreal Pierre Elliott Trudeau Intl Airport from £1,107
    Ottawa to Newark Airport from £1,346

  • What is the cheapest first class flight from Ottawa?

    If you’re looking for a cheap first-class flight from Ottawa, consider Toronto. Prices start at £5,900 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Ottawa?

    At the present moment the cheapest month to fly from Ottawa is currently January; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Ottawa?

    Check out the cheapest flights from Ottawa to embark to:
    Travel from Ottawa to London from £473 round trip

  • How does Cheapflights help users find flights from Ottawa?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Ottawa.

  • Can Cheapflights find flights from Ottawa with no change fees?

    Yes, we can. To see specific flights from Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

    Yes, Cheapflights offers price alerts on flights from Ottawa so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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Fly with Cheapflights

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How does Cheapflights help users find flights from Ottawa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Ottawa.

Can Cheapflights find flights from Ottawa with no change fees?

Yes, we can. To see specific flights from Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on flights from Ottawa so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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