Ottawa to London flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Ottawa to London is €301 with WestJet (checked on 5 Nov 2026).
Your next trip, last seen at €301
WestJet · 1 stop · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €301, departing 25 Jan 2027 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 8Check live prices for this route
- Airlines seen
- Air Canada, Aer Lingus, Air Transat, Porter Airlines Canada, WestJet
- Non-stop
- Yes
About this route
Explore the fares we observed from Ottawa to London. Prices move often, so pick your dates to see the latest options.
- Route distance
- 5,362 km
- Airlines seen
- Air Canada, Aer Lingus, Air Transat, Porter Airlines Canada, WestJet
- Alternative airports
- YND, LCY, LGW, LTN, SEN, STN
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Ottawa Macdonald-Cartier International Airport (YOW) → Ottawa, city gazetteer reference point (45.4116, -75.6982): ≈ 10 km.
- Ottawa / Gatineau Airport (YND) → Ottawa, city gazetteer reference point (45.4116, -75.6982): ≈ 16 km.
- London City Airport (LCY) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 13 km.
- London Heathrow (LHR) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 23 km.
- London Gatwick (LGW) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 40 km.
- London Luton (LTN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 44 km.
- London Stansted (STN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 49 km.
- London Southend Airport (SEN) → London, city gazetteer reference point (51.5074, -0.1278): ≈ 57 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €415 | 5 Nov 2026 | |
| €419 | 5 Nov 2026 | |
| €377 | 6 Nov 2026 | |
| €382 | 6 Nov 2026 | |
| €379 | 6 Nov 2026 | |
| €411 | 5 Nov 2026 | |
| €422 | 5 Nov 2026 | |
| €406 | 6 Nov 2026 | |
| €320 | 6 Nov 2026 | |
| €308 | 5 Nov 2026 | |
| €305 | 6 Nov 2026 | |
| €409 | 5 Nov 2026 | |
| €329 | 6 Nov 2026 | |
| €308 | 6 Nov 2026 | |
| €308 | 6 Nov 2026 | |
| €308 | 6 Nov 2026 | |
| €308 | 6 Nov 2026 | |
| €313 | 6 Nov 2026 | |
| €422 | 6 Nov 2026 | |
| €301 | 5 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest one-way fare we saw per airline
Cheapest airline from Ottawa to London: WestJet, €301 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| WestJet | €301Jan 25, 2027 | 73 |
| Porter Airlines Canada | €313Jan 30, 2027 | 14 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Ottawa to London?
The lowest fare Routavio has observed is €301, found on 5 Nov 2026.
Are there direct flights from Ottawa to London?
Yes. Published schedules report non-stop flights on this route with Air Canada.
Which airlines fly from Ottawa to London?
Routavio has seen these carriers on the route: Air Canada, Aer Lingus, Air Transat, Porter Airlines Canada, WestJet.
How long does the flight from Ottawa to London take?
Across the 19 fares Routavio observed, the average journey time is 21h 16m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Ottawa to London fares were non-stop?
1 of the 119 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Ottawa to London?
Cheapest airline from Ottawa to London: WestJet, €301 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
Non-stop airlines on this route
More routes from Ottawa
Show all 36 routes →Show fewer ↑
More routes to London
Show all 36 routes →Show fewer ↑
Recently observed fares. Prices may change.