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SEA

Find cheap KLM flights to Seattle from £443

1 adult
0 bags
Sun 23/6
Sun 30/6

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Good to know

Low season

January

High season

July

Cheapest flight

£443

Average price round-trip

£648
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (38% more expensive on average)
Flight from London Heathrow Airport to Seattle
(price for this month)

When to book flights with KLM to Seattle

Average price per month
Flight prices as travel date approaches

FAQs for flying to Seattle with KLM

  • Which airport do KLM flights to Seattle fly into?

    You’ll fly into Seattle/Tacoma Airport when flying to Seattle with KLM.

  • Are there any other airlines in SkyTeam that fly to Seattle?

    Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

KLM customer reviews

7.8
GoodBased on 1,549 verified guest reviews
7.2Entertainment
7.8Boarding
7.7Comfort
8.4Crew
7.3Food

Traveller rating:
Sort by:
R
4.3 Mediocre
Pros:staff was fine
Cons:old old plane, very uncomfortable. Tiny bad screen made movies pointless
C
8.8 Very Good
Cons:The flight was a bit delayed, but the airline handled it incredibly well. I was put up in a great hotel with good free food and caught another flight the next morning.
R
7.0 Good
Pros:newer plane, good staff
Cons:need better and more food options, more often
A
3.0 Poor
Cons:The plane was very hot
C
10.0 Wonderful
Pros:Crew was awesome
Cons:.
A
7.0 Good
Pros:Service - Crew
Cons:Nothing
A
10.0 Wonderful
Pros:The flight was perfect! Great food,movies and I even got to sleep !
Cons:All was well!
A
10.0 Wonderful
Pros:Everything is top notch for an airline company.
Cons:Nothing.... I enjoyed every moment of the flight.
A
8.0 Very Good
Pros:Crew was nice and efficient
Cons:Economy seats don’t recline enough.
A
6.3 Okay
Cons:I had booked a paid seat with extra legroom, but at check in the seat was given to another passenger

Book Cheap flights with KLM to Seattle

Recent return flight deals

20/9Fri
directKLM
10h 30mLHR-SEA
8/10Tue
directKLM
9h 40mSEA-LHR
£561
25/9Wed
directKLM
10h 30mLHR-SEA
29/9Sun
directKLM
9h 35mSEA-LHR
£576
11/6Tue
directKLM
10h 20mLHR-SEA
30/7Tue
1 stopKLM
12h 30mSEA-LHR
£614
20/6Thu
directKLM
10h 20mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£624
2/7Tue
directKLM
10h 25mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£629
24/6Mon
directKLM
10h 20mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£631
20/6Thu
directKLM
10h 20mLHR-SEA
4/7Thu
directKLM
9h 35mSEA-LHR
£634
13/6Thu
directKLM
10h 20mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£638
2/9Mon
directKLM
10h 30mLHR-SEA
16/9Mon
directKLM
9h 35mSEA-LHR
£641
24/6Mon
directKLM
10h 20mLHR-SEA
4/7Thu
directKLM
9h 35mSEA-LHR
£642
2/11Sat
1 stopKLM
25h 15mEDI-SEA
10/11Sun
1 stopKLM
26h 50mSEA-EDI
£646
18/6Tue
directKLM
10h 20mLHR-SEA
10/9Tue
directKLM
9h 35mSEA-LHR
£646
18/6Tue
directKLM
10h 20mLHR-SEA
3/7Wed
directKLM
9h 35mSEA-LHR
£646
20/6Thu
directKLM
10h 20mLHR-SEA
9/7Tue
directKLM
9h 35mSEA-LHR
£652
3/7Wed
directKLM
10h 25mLHR-SEA
20/7Sat
directKLM
9h 35mSEA-LHR
£653
4/7Thu
1 stopKLM
13h 51mLHR-SEA
18/7Thu
1 stopKLM
13h 00mSEA-LHR
£655
24/6Mon
directKLM
10h 20mLHR-SEA
9/7Tue
directKLM
9h 35mSEA-LHR
£659
3/7Wed
directKLM
10h 25mLHR-SEA
19/7Fri
directKLM
9h 35mSEA-LHR
£661
21/6Fri
directKLM
10h 20mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£665
25/6Tue
directKLM
10h 20mLHR-SEA
7/7Sun
directKLM
9h 35mSEA-LHR
£674

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Recent one-way flight deals

25/6Tue
directKLM
9h 55mLHR-SEA
£443
10/9Tue
1 stopKLM
14h 50mLCY-SEA
£1,197
12/9Thu
1 stopKLM
15h 30mLCY-SEA
£1,239
26/10Sat
1 stopKLM
12h 40mLCY-SEA
£1,323
10/8Sat
1 stopKLM
14h 35mLCY-SEA
£1,618
16/6Sun
2 stopsKLM
22h 35mLCY-SEA
£1,640
15/6Sat
1 stopKLM
12h 25mLCY-SEA
£1,787
24/6Mon
1 stopKLM
15h 15mLCY-SEA
£1,790
23/6Sun
directKLM
10h 20mLHR-SEA
£1,791
22/6Sat
directKLM
10h 20mLHR-SEA
£1,794
31/5Fri
1 stopKLM
14h 40mLCY-SEA
£2,133
1/6Sat
directKLM
10h 20mLHR-SEA
£2,137
22/6Sat
1 stopKLM
24h 50mMAN-SEA
£2,192

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Flights to Seattle - KLM

Destination:

Seattle/Tacoma Intl (SEA)United States

Return flight deals:

Seattle/Tacoma Intl - United Kingdom

Cabin classes:

£3,161
£2,135
£928
£494

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