MultiTripScanner / Start cities / Seattle / Seattle to London flights

Flights from Seattle to London

Icelandair, Alaska Airlines and WestJet fly from Seattle to London, with fares on 10 of the next 90 days. The cheapest is €211 on 6 Dec with Icelandair, 1 stop, seen yesterday. The cheapest by month: November €344 and December €211.

Make it a trip

Fly Seattle to London first, then on through Europe: MultiTripScanner strings the cheapest flights from there into a trip through more countries, on separate tickets.

Trips from Seattle that fly to London first · Trips from Seattle · Trips from London

The cheapest fare each day

The cheaper quarter of the days; the outlined day is the cheapest; a dash is a day with no fare seen. Any number of stops. Tap a day to check its price.

Stops

• One stop: the cheapest fare on 9 of the next 90 days, from €211. Journey time: check the travel time with the airline.
• Two or more stops: the cheapest fare on 1 of the next 90 days, from €540. Journey time: check the travel time with the airline.

Airlines and cabin bags

• Icelandair: the cheapest on 6 of the next 90 days, from €211. The cheapest long-haul fares often leave the cabin bag out: check with the airline, and count about €65 each way to add one.
• Alaska Airlines: the cheapest on 2 of the next 90 days, from €344. The cheapest long-haul fares often leave the cabin bag out: check with the airline, and count about €65 each way to add one.
• WestJet: the cheapest on 2 of the next 90 days, from €384. Its cheapest long-haul fares leave the cabin bag out: adding one costs about €175 each way.

Every airline's cabin bag rule

Airports

• From Seattle: Seattle-Tacoma International Airport (SEA), 19 km from Seattle.
• Into London: London Heathrow Airport (LHR), 23 km from London, London Gatwick Airport (LGW), 39 km from London and Stansted Airport (STN), 50 km from London, well out of town.

An airport well out of town adds a bus or train each way: check its price, and the last one if you land late.

The way back: London to Seattle

From €439 on 19 Jan with Icelandair, 1 stop, a price seen 4 days ago: it may be higher now or sold out, with fares on 8 of the next 90 days.

Fares are the cheapest travellers saw on each day, one way and per person, with any number of stops and their age; prices are seen, not held, and a long flight's price seen 3 days ago or more may be higher now.