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£89+ 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 18/1. 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

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 5 December 2025.

Cheapest airline

Air Canada

Good round-trip deal

£363 or less

Good one-way deal

£155 or less
On average, Air Canada currently has the cheapest one-way flight from Ottawa (avg. price of £616).
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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

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.

Fri 16/105:40YOW - YVR
1 stop10h 24mWestJet
Fri 23/106:00YVR - YOW
1 stop15h 42mWestJet
Deal found 2/12£147
Fri 16/105:40YOW - YVR
1 stop10h 24mMultiple Airlines
Fri 23/107:00YVR - YOW
Nonstop4h 45mMultiple Airlines
Deal found 2/12£185
Mon 12/105:40YOW - YYC
1 stop8h 56mWestJet
Tue 27/115:15YYC - YOW
1 stop7h 27mWestJet
Deal found 3/12£198
Wed 21/105:40YOW - YYC
1 stop8h 56mWestJet
Wed 28/115:15YYC - YOW
1 stop7h 27mWestJet
Deal found 4/12£199
Sat 10/118:55YOW - YYC
Nonstop4h 40mPorter Airlines
Mon 12/108:15YYC - YOW
Nonstop4h 07mPorter Airlines
Deal found 3/12£199
Mon 12/105:40YOW - YYC
2 stops10h 20mWestJet
Fri 23/113:40YYC - YOW
1 stop9h 02mWestJet
Deal found 3/12£203
Sun 18/105:40YOW - YYC
2 stops11h 32mWestJet
Tue 27/113:40YYC - YOW
1 stop9h 02mWestJet
Deal found 4/12£204
Sat 24/105:40YOW - YYC
2 stops9h 10mWestJet
Fri 30/118:40YYC - YOW
Nonstop4h 00mWestJet
Deal found 4/12£205
Wed 7/118:55YOW - YYC
Nonstop4h 40mPorter Airlines
Fri 16/107:10YYC - YOW
2 stops9h 18mPorter Airlines
Deal found 2/12£206
Sat 17/118:55YOW - YYC
Nonstop4h 40mPorter Airlines
Sun 25/107:10YYC - YOW
2 stops9h 18mPorter Airlines
Deal found 4/12£207
Sat 17/112:10YOW - YYC
2 stops10h 50mPorter Airlines
Mon 26/108:15YYC - YOW
Nonstop4h 07mPorter Airlines
Deal found 4/12£208
Wed 7/106:45YOW - YYC
1 stop6h 57mPorter Airlines
Thu 15/107:00YYC - YOW
1 stop7h 53mPorter Airlines
Deal found 2/12£209

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 5 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Fri 16/1

05:40-13:04

1 stop10h 24m

Vancouver Intl

Fri 23/1

06:00-00:42

1 stop15h 42m

£147

OttawaVancouver

YOW - YVR

YOWYVR

Ottawa

Fri 16/1

05:40-13:04

1 stop10h 24m

Vancouver Intl

Fri 23/1

07:00-14:45

Nonstop4h 45m

£185

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Tue 13/1

05:40-12:36

1 stop8h 56m

Calgary

Tue 27/1

15:15-00:42

1 stop7h 27m

£198

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Mon 12/1

05:40-10:21

1 stop6h 41m

Calgary

Sun 18/1

15:15-00:42

1 stop7h 27m

£198

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Fri 23/1

05:40-10:21

1 stop6h 41m

Calgary

Tue 27/1

13:40-00:42

1 stop9h 02m

£199

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Mon 19/1

05:40-10:21

1 stop6h 41m

Calgary

Thu 29/1

13:40-00:42

1 stop9h 02m

£199

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Mon 19/1

05:40-10:21

1 stop6h 41m

Calgary

Wed 28/1

13:40-00:42

1 stop9h 02m

£199

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Wed 21/1

05:40-10:21

1 stop6h 41m

Calgary

Thu 29/1

13:40-00:42

1 stop9h 02m

£199

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Thu 22/1

05:40-10:21

1 stop6h 41m

Calgary

Wed 28/1

15:15-00:42

1 stop7h 27m

£199

OttawaCalgary

YOW - YYC

YOWYYC

Ottawa

Wed 21/1

05:40-12:36

1 stop8h 56m

Calgary

Tue 27/1

15:15-00:42

1 stop7h 27m

£199

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 28 November 2025.

Booking 68 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, November is the cheapest month in which you can book a flight from Ottawa (average of £353). Flying from Ottawa in July will prove the most costly (average of £504). 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 £382
Air France
Air France
From £449
Porter Airlines
Porter Airlines
From £148
WestJet
WestJet
From £68

What are popular destinations to fly to from Ottawa?

If you’re flying from Ottawa, these routes are more frequently taken by airlines Toronto (926 flights per day), Montreal (202 flights per day) and Chicago (150 flights per day).

Toronto
Toronto
From £453
London
London
From £484
Paris
Paris
From £402

What is the cheapest place to fly to from Ottawa?

The cheapest city to fly to from Ottawa is Las Vegas Harry Reid Intl, with prices starting at £363. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £363
Paris
Paris
From £402
Toronto
Toronto
From £453

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 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

Overall

7.1

Crew

7.8

Boarding

7.3

Food

6.3

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

Overall

7.1

Crew

7.8

Boarding

7.3

Food

6.3

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 👍

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
Direct flights from London
Direct flights from Thunder Bay
Direct flights from Sudbury
Direct flights from Timmins

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 5 December 2025.

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

    This month, the top selected destinations from Ottawa are Fort Lauderdale, Cancún, New Delhi. 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 £119 to Edmonton (prices may vary depending on the airline and departure time). On average, users have booked flights for £724 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 New York (£148), and Air Canada flights from Ottawa to Brussels Bruxelles-National (£382).

  • 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 Montreal Pierre Elliott Trudeau Intl Airport from £1,117
    Ottawa to Paris Charles de Gaulle Airport from £1,276
    Ottawa to Newark Airport from £1,358

  • What is the cheapest month to fly from Ottawa?

    At the present moment the cheapest month to fly from Ottawa is currently November; 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 £486 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.

See more FAQs

Fly with Cheapflights

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

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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