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£77+ 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 16/5. 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
30 Mar — 6 Apr1
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 25 March 2025.

Cheapest airline

Porter Airlines

Good round-trip deal

£293 or less

Good one-way deal

£144 or less
On average, Porter Airlines currently has the cheapest one-way flight from Ottawa (avg. price of £197).
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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 25 March 2025.

Thu 24/414:45YOW - LHR
1 stop14h 15mLufthansa
Wed 7/506:55LHR - YOW
2 stops15h 09mLufthansa
Deal found 24/3£502
Wed 7/516:05YOW - LHR
1 stop12h 55mAir Canada
Mon 12/514:05LHR - YOW
Nonstop7h 30mAir Canada
Deal found 24/3£503
Mon 12/519:00YOW - LHR
2 stops10h 00mMultiple Airlines
Sat 17/507:00LHR - YOW
2 stops18h 17mMultiple Airlines
Deal found 25/3£504
Thu 8/505:55YOW - LGW
2 stops22h 55mMultiple Airlines
Thu 15/512:40LGW - YOW
1 stop16h 42mMultiple Airlines
Deal found 24/3£507
Wed 7/515:55YOW - LHR
2 stops24h 50mSWISS
Wed 14/517:10LHR - YOW
2 stops32h 59mSWISS
Deal found 24/3£513
Fri 20/616:40YOW - LGW
1 stop13h 05mAir Transat
Tue 1/712:40LGW - YOW
1 stop13h 21mAir Transat
Deal found 24/3£530
Mon 7/416:00YOW - LCY
2 stops35h 50mSWISS
Tue 22/419:20LCY - YOW
2 stops51h 04mSWISS
Deal found 23/3£531
Sat 5/419:29YOW - LHR
1 stop10h 11mUnited Airlines
Mon 14/410:50LHR - YOW
2 stops28h 08mUnited Airlines
Deal found 24/3£531
Sat 31/516:40YOW - LGW
1 stop10h 15mPorter Airlines
Fri 6/612:40LGW - YOW
1 stop13h 21mPorter Airlines
Deal found 24/3£534
Mon 2/605:55YOW - LGW
2 stops22h 30mWestJet
Sat 14/610:45LGW - YOW
2 stops18h 37mWestJet
Deal found 24/3£557
Tue 6/513:55YOW - MAN
3 stops27h 45mMultiple Airlines
Fri 23/523:15MAN - YOW
2 stops23h 31mMultiple Airlines
Deal found 24/3£562
Sun 11/517:15YOW - LHR
2 stops12h 30mKLM
Mon 9/606:30LHR - YOW
2 stops13h 35mKLM
Deal found 24/3£567

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

Fly to

Heathrow

Route

Depart

Return

Price

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 24/4

14:45-10:00

1 stop14h 15m

London Heathrow

Wed 7/5

06:55-17:04

2 stops15h 09m

£502

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 7/5

16:05-10:00

1 stop12h 55m

London Heathrow

Mon 12/5

14:05-16:35

Nonstop7h 30m

£503

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 12/5

19:00-10:00

2 stops10h 00m

London Heathrow

Sat 17/5

07:00-20:17

2 stops18h 17m

£504

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 8/5

05:55-09:50

2 stops22h 55m

London Gatwick

Thu 15/5

12:40-00:22

1 stop16h 42m

£507

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 7/5

15:55-21:45

2 stops24h 50m

London Heathrow

Wed 14/5

17:10-21:09

2 stops32h 59m

£513

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 20/6

16:40-10:45

1 stop13h 05m

London Gatwick

Tue 1/7

12:40-21:01

1 stop13h 21m

£530

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 5/4

19:29-10:40

1 stop10h 11m

London Heathrow

Mon 14/4

10:50-09:58

2 stops28h 08m

£531

OttawaLondon

YOW - LCY

YOWLCY

Ottawa

Mon 7/4

16:00-08:50

2 stops35h 50m

London City

Tue 22/4

19:20-17:24

2 stops51h 04m

£531

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 31/5

16:40-07:55

1 stop10h 15m

London Gatwick

Fri 6/6

12:40-21:01

1 stop13h 21m

£534

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 2/6

05:55-09:25

2 stops22h 30m

London Gatwick

Sat 14/6

10:45-00:22

2 stops18h 37m

£557

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 21 March 2025.

Booking 9 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 £377). Flying from Ottawa in July will prove the most costly (average of £560). 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 £644

Porter Airlines

Porter Airlines

From £107

Air France

Air France

From £534

Air Transat

Air Transat

From £670

What are popular destinations to fly to from Ottawa?

If you’re flying from Ottawa, these routes are more frequently taken by airlines Toronto (848 flights per day), Chicago (168 flights per day) and Montreal (144 flights per day).

Toronto

Toronto

From £238

Montreal

Montreal

From £184

Chicago

Chicago

From £186

Halifax Intl

Halifax Intl

From £347

What is the cheapest place to fly to from Ottawa?

The cheapest city to fly to from Ottawa is Montreal, with prices starting at £142. Explore other affordable destinations below.

Montreal

Montreal

From £184

Chicago

Chicago

From £186

Toronto

Toronto

From £238

Vancouver Intl

Vancouver Intl

From £339

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.
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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Book a direct flight from one of these other cities located in Canada.
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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 25 March 2025.

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

    This month, the top selected destinations from Ottawa are Fort Lauderdale, Cancún, Newark Airport. 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 £142 to Montreal Pierre Elliott Trudeau Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £558 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 France have the cheapest prices from Ottawa. WestJet flights from Ottawa to Calgary (£70), Porter Airlines flights from Ottawa to Glasgow Intl (£83), and Air France flights from Ottawa to Johannesburg OR Tambo (£413).

  • 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 £1,140
    Ottawa to Newark Airport from £1,401
    Ottawa to Montreal Pierre Elliott Trudeau Intl Airport from £1,546
    Ottawa to Paris Charles de Gaulle Airport from £1,994

  • 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 £6,143 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 £455 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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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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