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Reminder for Flying Blue

Flights from Seattle to London

Origin icon
Destination icon

Seattle

SEA

Seattle–Tacoma International

7,725 km · 9h 35m

London

LHR

Heathrow

There are no deals this month for flights from Seattle to London with KLM or Air France.

The standard prices for a KLM flight from Seattle to London are 20,000 miles in Economy.

Standard prices

Economy

20,000 miles

Premium Economy

35,000 miles

Business

50,000 miles

Available Reward tickets (seats)

Beta
DateEco.EconomyPrem.PremiumBiz.Business
Tomorrow

29.000

×

×

16 Nov

37.500

×

×

19 Nov

52.500

×

×

26 Nov

×

×

135.500

30 Nov

70.500

×

×

3 Dec

70.500

×

×

5 Dec

53.000

×

×

-

13.37

NICE

TRY

-

13.37

NICE

TRY

-

13.37

NICE

TRY

-

13.37

NICE

TRY

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Above standard fare

Under standard fare

× Not available

Weekend

Beta: displayed data is not real-time and may be outdated.

Frequently Asked Questions

How do I book a Promo Reward from Seattle (SEA) to London (LHR)?

Booking a Promo Reward flight with KLM or Air France to London should be done through the respective airlines' websites. To help you, we've created a step-by-step guide for KLM.

  1. Go to the KLM website (or click here).
  2. Sign in with your Flying Blue account.
  3. Navigate back to the KLM homepage.
  4. Click on "Book with Miles".
  5. In the "Departure from" field, enter your starting point: Seattle (SEA)
  6. In the "Arrival at" field, enter your destination: London (LHR)
  7. Next, select your travel period, number of passengers, travel class, and flight type (one-way or round trip).
  8. Click "Search flights" to start looking for available tickets.
  9. Choose your preferred Promo Reward flight to London.
  10. After making your selection, you'll see a summary including the total price.
  11. Finalize the payment, and your KLM / Air France flight ticket from Seattle (SEA) to London (LHR) will be confirmed.

How many Flying Blue miles do I need for a flight from Seattle to London?

The price for a KLM Reward flight ticket from Seattle to London starts at 20,000 Flying Blue miles in Economy. Depending on the travel period you want to fly, the price may vary. Tickets that can be purchased with Flying Blue miles have a different (limited) stock than tickets purchased with euros.

Unfortunately, we have not (yet) seen a KLM Reward flight ticket from Seattle (SEA) to London (LHR). Therefore, we cannot say what a flight ticket to London costs.

When was the last Promo Reward from Seattle to London?

Unfortunately, there is no Promo Reward available to London this month.

We unfortunately have no history for this flight route with KLM or Air France.