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Cheap flights from Frankfurt am Main Airport to Seattle from £375

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — SEA
5 Jul — 12 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Frankfurt to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Frankfurt to Seattle
Explore the most affordable flight options available from Frankfurt to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 June 2026.

Thu 17/910:55
FRA
-
SEA
1 stop17h 53m
Finnair
Fri 9/1013:30
SEA
-
FRA
2 stops20h 05m
Finnair
Deal found 2/6£497
Mon 24/810:55
FRA
-
SEA
1 stop16h 52m
Finnair
Sat 5/907:40
SEA
-
FRA
2 stops25h 55m
Finnair
Deal found 5/6£498
Thu 3/910:55
FRA
-
SEA
1 stop16h 52m
British Airways
Thu 1/1012:05
SEA
-
FRA
1 stop35h 40m
British Airways
Deal found 3/6£499
Mon 24/810:55
FRA
-
SEA
1 stop20h 31m
British Airways
Wed 9/915:42
SEA
-
FRA
1 stop32h 03m
British Airways
Deal found 2/6£500
Sat 5/919:15
FRA
-
SEA
1 stop25h 20m
British Airways
Thu 24/907:51
SEA
-
FRA
1 stop15h 54m
British Airways
Deal found 3/6£501
Tue 1/910:55
FRA
-
SEA
1 stop16h 52m
Finnair
Sun 20/913:30
SEA
-
FRA
2 stops20h 05m
Finnair
Deal found 1/6£502
Thu 25/606:40
FRA
-
SEA
2 stops27h 01m
British Airways
Wed 8/711:40
SEA
-
FRA
1 stop36h 05m
British Airways
Deal found 4/6£504
Fri 28/810:55
FRA
-
SEA
1 stop16h 52m
Finnair
Fri 11/907:51
SEA
-
FRA
2 stops25h 44m
Finnair
Deal found 4/6£505
Thu 11/606:40
FRA
-
SEA
2 stops19h 04m
British Airways
Sat 27/615:45
SEA
-
FRA
1 stop32h 00m
British Airways
Deal found 3/6£505
Sun 7/606:40
FRA
-
SEA
2 stops22h 59m
British Airways
Mon 22/615:45
SEA
-
FRA
1 stop32h 00m
British Airways
Deal found 31/5£506
Thu 20/817:15
FRA
-
SEA
1 stop32h 44m
United Airlines
Sat 22/815:30
SEA
-
FRA
1 stop33h 15m
United Airlines
Deal found 1/6£518

Find flight deals from Frankfurt to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt (FRA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 June 2026.

Round-trip from

£497

One-way from

£375

Popular in

July

Cheapest in

November

Average price

£569
Finnair
  • Finnair
  • 17/9-9/10
  • 3 total stops
  • 37h 58m total
  • Frankfurt am Main to Seattle
Search Deals
British Airways
  • British Airways
  • 16/8
  • 1 total stop
  • 18h 09m total
  • Frankfurt am Main to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Frankfurt to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 June 2026.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 14/9

10:35-21:36

2 stops20h 01m

Seattle/Tacoma Intl

Sat 19/9

14:12-08:45

1 stop33h 33m

£505

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 7/9

11:30-18:51

1 stop16h 21m

Seattle/Tacoma Intl

Fri 18/9

18:00-13:00

Nonstop10h 00m

£545

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 18/9

07:00-16:35

1 stop18h 35m

Seattle/Tacoma Intl

Thu 1/10

13:45-13:35

1 stop14h 50m

£581

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sat 19/9

11:45-16:35

1 stop13h 50m

Seattle/Tacoma Intl

Wed 30/9

09:43-09:50

1 stop15h 07m

£582

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 18/6

13:15-16:59

1 stop12h 44m

Seattle/Tacoma Intl

Thu 2/7

14:10-09:20

Nonstop10h 10m

£583

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Tue 15/9

12:15-16:59

1 stop13h 44m

Seattle/Tacoma Intl

Tue 29/9

14:10-08:55

Nonstop9h 45m

£584

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 28/8

11:45-22:05

2 stops19h 20m

Seattle/Tacoma Intl

Fri 11/9

07:30-11:05

2 stops18h 35m

£585

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 17/9

10:45-11:55

Nonstop10h 10m

Seattle/Tacoma Intl

Fri 9/10

14:10-09:20

Nonstop10h 10m

£586
Fastest return journey

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sat 19/9

10:45-11:55

Nonstop10h 10m

Seattle/Tacoma Intl

Tue 29/9

14:10-08:55

Nonstop9h 45m

£586

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 6/8

09:15-16:59

1 stop16h 44m

Seattle/Tacoma Intl

Wed 19/8

09:00-11:15

2 stops41h 15m

£589

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Frankfurt to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Frankfurt with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Frankfurt am Main Airport to Seattle

How far ahead should I book a flight from Frankfurt am Main Airport to Seattle?

The price you pay for your flight from Frankfurt am Main Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 53 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Frankfurt am Main Airport to Seattle?

Currently, November is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of £460). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of £651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FRA to SEA?

Find hourly flight availability from Frankfurt to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Frankfurt am Main Airport to Seattle as you normally would.

How much does it cost for a return flight from Frankfurt am Main Airport to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Frankfurt to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Frankfurt am Main?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Frankfurt am Main. Booking flights from Frankfurt am Main to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 5 daily inbound flights from Frankfurt am Main from 0 different airlines.

  • How long is the flight from Frankfurt am Main Airport to Seattle?

    Airlines like British Airways, KLM, and United Airlines fly from Frankfurt am Main Airport to Seattle in about 12h 44m. The time it takes to get you to your destination can typically vary by up to 7h 17m. The distance from Frankfurt am Main Airport to Seattle is about 5089 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most reliable airlines from Frankfurt am Main Airport to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Frankfurt am Main Airport to Seattle on time: Air Canada (61%), United Airlines (61%), Lufthansa (61%).

  • Can I find deals for flights from Frankfurt to Seattle that include hotel bookings?

    Yes. In addition to deals on Frankfurt to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Frankfurt to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Frankfurt to Seattle.

  • Can I find deals for business class flights from Frankfurt to Seattle?

    Yes. Cheapflights offers flight deals from Frankfurt to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Frankfurt am Main Airport to Seattle?

    Currently, November is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of £460). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of £651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

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Why should you use Cheapflights to find cheap flight tickets from Frankfurt to Seattle?

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Can Cheapflights find flights from Frankfurt to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Frankfurt to Seattle with no change fees.

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Not ready to book yet? You can track prices for flights from Frankfurt to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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