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SEA

Find cheap KLM flights to Seattle from £537

1 adult
0 bags
Sat 13/7
Sat 20/7

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Good to know

Low season

January

High season

July

Cheapest flight

£537

Average price round-trip

£707
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (37% 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 other airlines fly to Seattle?

    Along with KLM, you can also fly to Seattle with Iberia.

  • 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 1,461 verified guest reviews
7.3Food
7.2Entertainment
7.8Boarding
7.7Comfort
8.4Crew

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

9/9Mon
1 stopKLM
13h 05mLHR-SEA
1/10Tue
directKLM
9h 30mSEA-LHR
£537
17/9Tue
directKLM
10h 30mLHR-SEA
8/10Tue
directKLM
9h 30mSEA-LHR
£540
17/9Tue
1 stopKLM
13h 05mLHR-SEA
7/10Mon
1 stopKLM
12h 25mSEA-LHR
£542
9/9Mon
directKLM
10h 30mLHR-SEA
3/10Thu
directKLM
9h 30mSEA-LHR
£545
10/9Tue
1 stopKLM
14h 05mLHR-SEA
30/9Mon
1 stopKLM
12h 30mSEA-LHR
£549
9/9Mon
directKLM
10h 30mLHR-SEA
2/10Wed
1 stopKLM
12h 30mSEA-LHR
£550
17/9Tue
directKLM
10h 30mLHR-SEA
24/9Tue
directKLM
9h 35mSEA-LHR
£555
16/9Mon
directKLM
10h 30mLHR-SEA
6/10Sun
directKLM
9h 30mSEA-LHR
£556
15/9Sun
directKLM
10h 30mLHR-SEA
8/10Tue
directKLM
9h 30mSEA-LHR
£570
9/9Mon
1 stopKLM
13h 05mLHR-SEA
29/9Sun
directKLM
9h 35mSEA-LHR
£572
8/9Sun
1 stopKLM
15h 29mLHR-SEA
1/10Tue
directKLM
9h 30mSEA-LHR
£573
15/9Sun
1 stopKLM
14h 05mLHR-SEA
8/10Tue
directKLM
9h 30mSEA-LHR
£574
10/9Tue
directKLM
10h 30mLHR-SEA
29/9Sun
directKLM
9h 35mSEA-LHR
£575
3/9Tue
directKLM
10h 30mLHR-SEA
1/10Tue
directKLM
9h 30mSEA-LHR
£576
8/9Sun
1 stopKLM
15h 29mLHR-SEA
1/10Tue
1 stopKLM
13h 00mSEA-LHR
£580
4/9Wed
directKLM
10h 30mLHR-SEA
2/10Wed
directKLM
9h 30mSEA-LHR
£581
17/9Tue
1 stopKLM
14h 50mLCY-SEA
7/10Mon
1 stopKLM
12h 00mSEA-LCY
£583
8/9Sun
1 stopKLM
15h 29mLHR-SEA
2/10Wed
directKLM
9h 30mSEA-LHR
£584
10/7Wed
directKLM
10h 25mLHR-SEA
26/11Tue
directKLM
9h 35mSEA-LHR
£585
8/9Sun
1 stopKLM
15h 29mLHR-SEA
4/10Fri
directKLM
9h 30mSEA-LHR
£589

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Recent one-way flight deals

21/6Fri
directKLM
10h 20mLHR-SEA
£792
19/6Wed
directKLM
9h 55mLHR-SEA
£796
26/7Fri
directKLM
10h 25mLHR-SEA
£807
3/7Wed
directKLM
10h 25mLHR-SEA
£819
21/6Fri
directKLM
10h 20mLHR-SEA
£852
15/7Mon
directKLM
9h 55mLHR-SEA
£910
24/8Sat
1 stopKLM
14h 35mLCY-SEA
£1,318
7/9Sat
1 stopKLM
14h 50mLCY-SEA
£1,320
3/8Sat
1 stopKLM
14h 35mLCY-SEA
£1,613
20/7Sat
1 stopKLM
14h 35mLCY-SEA
£1,780
27/7Sat
1 stopKLM
14h 35mLCY-SEA
£1,782
12/7Fri
directKLM
10h 25mLHR-SEA
£1,784
29/7Mon
directKLM
10h 25mLHR-SEA
£1,786
13/7Sat
1 stopKLM
14h 35mLCY-SEA
£2,121
22/6Sat
directKLM
10h 20mLHR-SEA
£2,128
20/6Thu
directKLM
10h 20mLHR-SEA
£2,129
21/6Fri
directKLM
10h 20mLHR-SEA
£2,131
20/7Sat
1 stopKLM
14h 35mLCY-SEA
£2,768
20/7Sat
directKLM
10h 25mLHR-SEA
£2,772
26/8Mon
directKLM
10h 30mLHR-SEA
£7,930

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Flights to Seattle - KLM

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - United Kingdom

Cabin classes:

£3,160
£2,120
£850
£494

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