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Flights from Seattle to Shannon

Flights from Seattle to Shannon Starting at NZD 945

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to London flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. BA052

    Seattle-Tacoma International Airport

    01:30 pm

    SEA

    9h 20m

    06:50 am

    LHR

    - M - - T F -
    Search

  2. EI381

    Heathrow Airport

    09:50 am

    LHR

    1h 30m

    11:20 am

    SNN

    S M T W T F S

  3. AY5448

    Seattle-Tacoma International Airport

    08:20 pm

    SEA

    9h 20m

    01:40 pm

    LHR

    S M T W T F S
    Search

  4. EI385

    Heathrow Airport

    02:40 pm

    LHR

    1h 30m

    04:10 pm

    SNN

    S M T W T F S

  5. BA048

    Seattle-Tacoma International Airport

    08:20 pm

    SEA

    9h 20m

    01:40 pm

    LHR

    S M T W T F S
    Search

  6. BA5943

    Heathrow Airport

    02:40 pm

    LHR

    1h 30m

    04:10 pm

    SNN

    S M T W T F S

  7. VS106

    Seattle-Tacoma International Airport

    05:35 pm

    SEA

    9h 50m

    11:25 am

    LHR

    S M T W T F S
    Search

  8. EI385

    Heathrow Airport

    02:40 pm

    LHR

    1h 30m

    04:10 pm

    SNN

    S M T W T F S

  9. AY5448

    Seattle-Tacoma International Airport

    08:20 pm

    SEA

    9h 20m

    01:40 pm

    LHR

    S M T W T F S
    Search

  10. EI387

    Heathrow Airport

    07:10 pm

    LHR

    1h 25m

    08:35 pm

    SNN

    S M T W T - S

  11. BA048

    Seattle-Tacoma International Airport

    08:20 pm

    SEA

    9h 20m

    01:40 pm

    LHR

    S M T W T F S
    Search

  12. EI387

    Heathrow Airport

    07:10 pm

    LHR

    1h 25m

    08:35 pm

    SNN

    S M T W T - S

  13. IB3506

    Seattle-Tacoma International Airport

    08:20 pm

    SEA

    9h 20m

    01:40 pm

    LHR

    S M T W T F S
    Search

  14. EI387

    Heathrow Airport

    07:10 pm

    LHR

    1h 25m

    08:35 pm

    SNN

    S M T W T - S

  15. VS106

    Seattle-Tacoma International Airport

    05:35 pm

    SEA

    9h 50m

    11:25 am

    LHR

    S M T W T F S
    Search

  16. EI387

    Heathrow Airport

    07:10 pm

    LHR

    1h 25m

    08:35 pm

    SNN

    S M T W T - S

  17. AS1054

    Seattle-Tacoma International Airport

    06:45 pm

    SEA

    2h 40m

    09:25 pm

    LAX

    S M T W T F S
    Search

  18. AY5784

    Los Angeles International Airport

    01:25 pm

    LAX

    10h 35m

    08:00 am

    LHR

    S M T W T F S

  19. EI387

    Heathrow Airport

    07:10 pm

    LHR

    1h 25m

    08:35 pm

    SNN

    S M T W T - S

  20. DL2861

    Seattle-Tacoma International Airport

    05:59 pm

    SEA

    2h 46m

    08:45 pm

    LAX

    S M T W T F S
    Search

  21. VS024

    Los Angeles International Airport

    10:50 pm

    LAX

    10h 25m

    05:15 pm

    LHR

    S M T W T F S

  22. EI387

    Heathrow Airport

    07:10 pm

    LHR

    1h 25m

    08:35 pm

    SNN

    S M T W T - S
Find more flights and airlines

Find the best time to fly from Seattle to Shannon

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights
From price
Search

  • Mar

    23 2
  • 2 9
  • 9 16
  • 16 23
  • 23 30

  • Apr

    30 6
  • 6 13
  • 13 20
  • 20 27

  • May

    27 4
  • 4 11
  • 11 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Seattle (SEA) to Shannon (SNN) the cheapest?

    Airlines adjust prices for flights from Seattle to Shannon based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Shannon (SNN) cost?

    According to Trip.com's data, the lowest price is around NZD 1,514.

  • What is the transportation method from the main airport to downtown in Shannon?

    • The distance from Shannon Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Seattle to Shannon

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Shannon. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Shannon

Cheapest nonstop flight price NZD 945
Off-season for travel January
Peak season for travel April
Flight distance 7,221.8 km
Popular airline Finnair