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SEA

Find cheap KLM flights to Seattle from £492

1 adult
0 bags
Sat 8/6
Sat 15/6

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Good to know

Low season

January

High season

July

Cheapest flight

£492

Average price round-trip

£665
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 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 1,592 verified guest reviews
8.4Crew
7.6Comfort
7.2Entertainment
7.3Food
7.8Boarding
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
Read more about KLM

Book Cheap flights with KLM to Seattle

Recent return flight deals

16/9Mon
directKLM
10h 30mLHR-SEA
23/9Mon
1 stopKLM
12h 52mSEA-LHR
£492
16/9Mon
1 stopKLM
16h 45mEDI-SEA
23/9Mon
1 stopKLM
13h 40mSEA-EDI
£568
16/9Mon
1 stopKLM
14h 50mLCY-SEA
23/9Mon
1 stopKLM
12h 00mSEA-LCY
£569
21/5Tue
1 stopKLM
12h 55mLHR-SEA
28/5Tue
directKLM
9h 40mSEA-LHR
£571
29/5Wed
1 stopKLM
12h 55mLHR-SEA
5/6Wed
directKLM
9h 40mSEA-LHR
£572
4/9Wed
1 stopKLM
15h 30mLCY-SEA
23/9Mon
1 stopKLM
12h 00mSEA-LCY
£573
25/6Tue
1 stopKLM
13h 45mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£584
2/9Mon
directKLM
10h 30mLHR-SEA
16/9Mon
1 stopKLM
12h 25mSEA-LHR
£584
25/6Tue
directKLM
10h 20mLHR-SEA
9/7Tue
1 stopKLM
12h 30mSEA-LHR
£586
25/6Tue
1 stopKLM
13h 45mLHR-SEA
15/7Mon
directKLM
9h 35mSEA-LHR
£591
21/5Tue
directKLM
10h 30mLHR-SEA
28/5Tue
directKLM
9h 40mSEA-LHR
£592
24/6Mon
directKLM
10h 20mLHR-SEA
15/7Mon
directKLM
9h 35mSEA-LHR
£594
20/9Fri
1 stopKLM
15h 30mLCY-SEA
8/10Tue
1 stopKLM
12h 00mSEA-LCY
£600
24/5Fri
1 stopKLM
16h 00mLHR-SEA
3/6Mon
directKLM
9h 40mSEA-LHR
£600
20/9Fri
1 stopKLM
15h 30mLCY-SEA
8/10Tue
1 stopKLM
12h 00mSEA-LCY
£601
23/5Thu
1 stopKLM
12h 55mLHR-SEA
3/6Mon
directKLM
9h 40mSEA-LHR
£602
25/6Tue
1 stopKLM
13h 45mLHR-SEA
14/7Sun
directKLM
9h 35mSEA-LHR
£603
22/5Wed
1 stopKLM
14h 40mLCY-SEA
29/5Wed
1 stopKLM
12h 00mSEA-LCY
£604
24/6Mon
directKLM
10h 20mLHR-SEA
14/7Sun
directKLM
9h 35mSEA-LHR
£605
22/5Wed
1 stopKLM
14h 40mLCY-SEA
5/6Wed
1 stopKLM
12h 00mSEA-LCY
£606

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Recent one-way flight deals

3/7Wed
1 stopKLM
14h 35mLCY-SEA
£1,288
3/7Wed
1 stopKLM
14h 35mLCY-SEA
£1,291
9/7Tue
1 stopKLM
14h 35mLCY-SEA
£1,303
12/7Fri
1 stopKLM
14h 35mLCY-SEA
£1,304
13/7Sat
1 stopKLM
14h 35mLCY-SEA
£1,331
24/8Sat
1 stopKLM
14h 35mLCY-SEA
£1,333
11/7Thu
1 stopKLM
14h 35mLCY-SEA
£1,346
22/7Mon
1 stopKLM
14h 35mLCY-SEA
£1,588
15/7Mon
1 stopKLM
15h 15mLCY-SEA
£1,604
26/7Fri
1 stopKLM
14h 35mLCY-SEA
£1,630
20/7Sat
1 stopKLM
14h 35mLCY-SEA
£1,632
14/7Sun
2 stopsKLM
23h 10mLCY-SEA
£1,688
22/5Wed
1 stopKLM
14h 40mLCY-SEA
£1,796
25/5Sat
1 stopKLM
12h 30mLCY-SEA
£1,797
21/5Tue
1 stopKLM
14h 40mLCY-SEA
£1,800
22/5Wed
directKLM
10h 30mLHR-SEA
£1,800
27/5Mon
directKLM
10h 30mLHR-SEA
£1,801
21/5Tue
directKLM
10h 30mLHR-SEA
£1,804
14/5Tue
1 stopKLM
15h 20mLCY-SEA
£2,142
13/5Mon
directKLM
10h 30mLHR-SEA
£2,146

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Search by price

Flights to Seattle - KLM

Destination:

Seattle/Tacoma Intl (SEA)United States

Return flight deals:

Seattle/Tacoma Intl - United Kingdom

Cabin classes:

£3,294
First Class flights to Seattle
£2,175
Business Class flights to Seattle
£1,026
£509

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