KLM Seattle to London Flights

Cheapflightsplus.com will find cheap KLM flights from Seattle to London. Compare airline ticket prices and book air tickets starting from $684 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of KLM, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — London by KLM

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in may: one-way - $684, two-way – $1173.
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Below is a detailed 2024 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:43 pm — 8:00 pm
+1 day
10:43 pm — 6:51 am KL5259 KLM
Seattle — New York
1h 14m stop
8:05 am — 8:00 pm KL4825 KLM
New York — London
13h 17m
including layover
Find flight
from$828
10:43 pm — 8:10 pm
+1 day
10:43 pm — 6:51 am KL8497 KLM
Seattle — New York
1h 24m stop
8:15 am — 8:10 pm KL4825 KLM
New York — London
13h 27m
including layover
Find flight
from$828
11:09 pm — 7:50 am
+2 days
11:09 pm — 7:15 am KL5259 KLM
Seattle — New York
12h 15m stop
7:30 pm — 7:50 am KL6103 KLM
New York — London
24h 41m
including layover
Find flight
from$1623
11:40 am — 10:50 am
+1 day
11:40 am — 8:01 pm KL5355 KLM
Seattle — New York
2h 44m stop
10:45 pm — 10:50 am KL6101 KLM
New York — London
15h 10m
including layover
Find flight
from$684
1:50 pm — 7:20 am
+2 days
1:50 pm — 9:44 pm KL5609 KLM
Seattle — Atlanta
20h 24m stop
6:08 pm — 7:20 am KL6110 KLM
Atlanta — London
33h 30m
including layover
Find flight
from$1623
3:55 pm — 9:10 am
+1 day
3:55 pm — 9:10 am KL4842 KLM
Seattle — London
9h 15m
Find flight
from$828
6:00 am — 6:40 am
+1 day
6:00 am — 1:15 pm KL5235 KLM
Seattle — Detroit
4h 58m stop
6:13 pm — 6:40 am KL6077 KLM
Detroit — London
16h 40m
including layover
Find flight
from$1619
6:20 am — 11:05 am
+1 day
6:20 am — 1:59 pm KL6535 KLM
Seattle — Atlanta
7h 54m stop
9:53 pm — 11:05 am KL6069 KLM
Atlanta — London
20h 45m
including layover
Find flight
from$1619
6:20 am — 7:20 am
+1 day
6:20 am — 1:59 pm KL6535 KLM
Seattle — Atlanta
4h 9m stop
6:08 pm — 7:20 am KL6110 KLM
Atlanta — London
17h
including layover
Find flight
from$1619
7:40 am — 10:50 am
+1 day
7:40 am — 4:07 pm KL8393 KLM
Seattle — New York
6h 38m stop
10:45 pm — 10:50 am KL6101 KLM
New York — London
19h 10m
including layover
Find flight
from$1619
7:40 am — 7:50 am
+1 day
7:40 am — 4:07 pm KL8393 KLM
Seattle — New York
3h 23m stop
7:30 pm — 7:50 am KL6103 KLM
New York — London
16h 10m
including layover
Find flight
from$1619
7:45 am — 11:05 am
+1 day
7:45 am — 3:31 pm KL6727 KLM
Seattle — Atlanta
6h 22m stop
9:53 pm — 11:05 am KL6069 KLM
Atlanta — London
19h 20m
including layover
Find flight
from$1619
7:45 am — 7:20 am
+1 day
7:45 am — 3:31 pm KL6727 KLM
Seattle — Atlanta
2h 37m stop
6:08 pm — 7:20 am KL6110 KLM
Atlanta — London
15h 35m
including layover
Find flight
from$1619
8:15 am — 7:55 am
+1 day
8:15 am — 1:36 pm KL6801 KLM
Seattle — Minneapolis
4h 17m stop
5:53 pm — 7:55 am KL6112 KLM
Minneapolis — London
15h 40m
including layover
Find flight
from$1619
9:05 am — 7:20 am
+1 day
9:05 am — 4:52 pm KL6535 KLM
Seattle — Atlanta
1h 23m stop
6:15 pm — 7:20 am KL4801 KLM
Atlanta — London
14h 15m
including layover
Find flight
from$828
9:05 am — 11:05 am
+1 day
9:05 am — 4:42 pm KL5733 KLM
Seattle — Atlanta
5h 11m stop
9:53 pm — 11:05 am KL6069 KLM
Atlanta — London
18h
including layover
Find flight
from$1619
9:05 am — 7:20 am
+1 day
9:05 am — 4:42 pm KL5733 KLM
Seattle — Atlanta
1h 26m stop
6:08 pm — 7:20 am KL6110 KLM
Atlanta — London
14h 15m
including layover
Find flight
from$1619
9:35 am — 6:40 am
+1 day
9:35 am — 4:49 pm KL5415 KLM
Seattle — Detroit
1h 24m stop
6:13 pm — 6:40 am KL6077 KLM
Detroit — London
13h 5m
including layover
Find flight
from$1619
*Departure and arrival times are local. Last updated on 04/29/2024

Flight Information

There is 1 flight by KLM from Seattle to London every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal.

Departures start from 10:43 pm to 9:35 am. Nonstop flight is 9h 15m. The time difference between Seattle and London is 8h.

  • The fastest flight 9h 15m
  • Average flight time 9h 15m
  • The earliest flight 10:43 pm
  • The latest flight 9:35 am
  • Distance 4794 ml

The cheapest flight by KLM that our users were able to find is $684. This airfare is economy class on one-way KL5355 flight for October 19, 2018 leaving Seattle-Tacoma Intl in Seattle at 11:40 am, it includes all taxes and additional fees.

Find same flight?

Other Popular Airlines on the Route

Besides KLM there are other 22 airline carriers between Seattle and London. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to London.

Nonstop flights

There are 11 direct flights every day from Seattle. Airlines and fares are below:

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back