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SEA

Find cheap KLM flights to Seattle from £549

1 adult
0 bags
sam. 15/6
sam. 22/6

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Good to know

Low season

January

High season

July

Cheapest flight

£549

Average price round-trip

£652
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 1,568 verified guest reviews
8.4Crew
7.8Boarding
7.3Food
7.6Comfort
7.2Entertainment

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

17/9mar.
directKLM
10h 30mLHR-SEA
27/9ven.
1 stopKLM
12h 52mSEA-LHR
£549
17/9mar.
directKLM
10h 30mLHR-SEA
27/9ven.
directKLM
9h 35mSEA-LHR
£559
17/9mar.
directKLM
10h 30mLHR-SEA
27/9ven.
directKLM
9h 35mSEA-LHR
£562
10/9mar.
1 stopKLM
15h 30mLCY-SEA
23/9lun.
1 stopKLM
12h 00mSEA-LCY
£572
21/9sam.
directKLM
10h 30mLHR-SEA
5/10sam.
directKLM
9h 40mSEA-LHR
£577
18/6mar.
directKLM
10h 20mLHR-SEA
10/9mar.
directKLM
9h 35mSEA-LHR
£596
18/6mar.
directKLM
10h 20mLHR-SEA
10/9mar.
directKLM
9h 35mSEA-LHR
£599
25/6mar.
directKLM
10h 20mLHR-SEA
2/7mar.
1 stopKLM
14h 45mSEA-LHR
£609
20/9ven.
1 stopKLM
15h 30mLCY-SEA
8/10mar.
1 stopKLM
12h 00mSEA-LCY
£613
29/5mer.
directKLM
10h 30mLHR-SEA
3/6lun.
directKLM
9h 40mSEA-LHR
£614
10/9mar.
1 stopKLM
15h 35mBHX-SEA
23/9lun.
1 stopKLM
15h 00mSEA-BHX
£619
16/9lun.
1 stopKLM
15h 30mLCY-SEA
25/9mer.
1 stopKLM
12h 00mSEA-LCY
£622
26/6mer.
directKLM
10h 20mLHR-SEA
16/7mar.
1 stopKLM
12h 30mSEA-LHR
£622
29/8jeu.
directKLM
10h 25mLHR-SEA
10/9mar.
directKLM
9h 35mSEA-LHR
£630
25/6mar.
directKLM
10h 20mLHR-SEA
16/7mar.
1 stopKLM
12h 30mSEA-LHR
£631
26/6mer.
directKLM
10h 20mLHR-SEA
15/7lun.
directKLM
9h 35mSEA-LHR
£632
9/9lun.
1 stopKLM
22h 50mMAN-SEA
23/9lun.
1 stopKLM
14h 35mSEA-MAN
£633
2/9lun.
directKLM
10h 30mLHR-SEA
16/9lun.
directKLM
9h 35mSEA-LHR
£637
4/10ven.
1 stopKLM
15h 30mLCY-SEA
8/10mar.
1 stopKLM
12h 00mSEA-LCY
£638
2/9lun.
directKLM
10h 30mLHR-SEA
16/9lun.
directKLM
9h 35mSEA-LHR
£639

Search by stops

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Recent one-way flight deals

23/9lun.
1 stopKLM
15h 30mLCY-SEA
£1,188
27/9ven.
1 stopKLM
14h 50mLCY-SEA
£1,229
21/8mer.
1 stopKLM
14h 35mLCY-SEA
£1,274
21/8mer.
1 stopKLM
14h 35mLCY-SEA
£1,276
23/8ven.
1 stopKLM
14h 35mLCY-SEA
£1,315
13/7sam.
1 stopKLM
14h 35mLCY-SEA
£1,318
6/8mar.
1 stopKLM
14h 35mLCY-SEA
£1,570
27/7sam.
1 stopKLM
14h 35mLCY-SEA
£1,611
20/7sam.
1 stopKLM
15h 15mLCY-SEA
£1,611
3/8sam.
1 stopKLM
14h 35mLCY-SEA
£1,612
27/7sam.
1 stopKLM
14h 35mLCY-SEA
£1,613
15/6sam.
1 stopKLM
14h 35mLCY-SEA
£1,776
8/6sam.
1 stopKLM
12h 25mLCY-SEA
£1,779
1/6sam.
directKLM
10h 20mLHR-SEA
£1,780
31/5ven.
directKLM
10h 30mLHR-SEA
£1,783
25/5sam.
1 stopKLM
12h 30mLCY-SEA
£2,119
23/5jeu.
1 stopKLM
14h 40mLCY-SEA
£2,123
25/5sam.
1 stopKLM
14h 40mLCY-SEA
£2,760
30/6dim.
directKLM
10h 20mLHR-SEA
£2,766
30/6dim.
directKLM
10h 20mLHR-SEA
£2,772

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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:

£3,227
£2,154
£974
£499

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