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Cheap flights from Frankfurt am Main Airport to Seattle from £298

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — SEA
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Frankfurt am Main to Seattle/Tacoma Intl are usually found in March or February, booked 79 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 17 September 2025.

Round-trip from

£422

One-way from

£298

Popular in

July

Cheapest in

March

Average price

£510
30/1-1/3
  • 30/1-1/3
  • 3 total stops
  • 50h 53m total
  • Frankfurt am Main to Seattle
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Finnair
  • Finnair
  • 7/11
  • 2 total stops
  • 34h 40m total
  • Frankfurt am Main to Seattle
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Highest demand for flights based on searches. 13% potential increase in price (£54 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Frankfurt to Seattle

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 17 September 2025.

Wed 17/1206:55FRA - SEA
1 stop13h 55mMultiple Airlines
Mon 29/1214:05SEA - FRA
1 stop17h 40mMultiple Airlines
Deal found 15/9£425
Tue 14/1011:45FRA - SEA
1 stop13h 20mMultiple Airlines
Wed 22/1018:35SEA - FRA
1 stop14h 10mMultiple Airlines
Deal found 15/9£426
Tue 14/1011:45FRA - SEA
1 stop13h 20mDelta
Mon 3/1114:05SEA - FRA
1 stop17h 40mDelta
Deal found 16/9£427
Sat 1/1110:15FRA - SEA
1 stop19h 33mBritish Airways
Mon 17/1110:35SEA - FRA
2 stops19h 55mBritish Airways
Deal found 15/9£427
Tue 14/1011:45FRA - SEA
1 stop13h 20mDelta
Tue 4/1107:25SEA - FRA
1 stop16h 15mDelta
Deal found 15/9£429
Mon 13/1007:00FRA - SEA
1 stop13h 50mKLM
Mon 3/1115:00SEA - FRA
1 stop18h 40mKLM
Deal found 15/9£430
Sat 1/1106:55FRA - SEA
2 stops23h 32mDelta
Mon 17/1109:25SEA - FRA
2 stops16h 50mDelta
Deal found 15/9£430
Fri 17/1012:15FRA - SEA
1 stop13h 44mLufthansa
Wed 22/1014:20SEA - FRA
Nonstop9h 35mLufthansa
Deal found 15/9£431
Tue 14/1010:15FRA - SEA
1 stop17h 21mUnited Airlines
Mon 3/1114:00SEA - FRA
Nonstop10h 10mUnited Airlines
Deal found 15/9£433
Thu 16/1010:15FRA - SEA
1 stop13h 01mUnited Airlines
Sun 2/1107:00SEA - FRA
1 stop14h 35mUnited Airlines
Deal found 15/9£433
Tue 11/1110:20FRA - SEA
Nonstop10h 50mLufthansa
Sun 7/1207:00SEA - FRA
1 stop14h 35mLufthansa
Deal found 16/9£434

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 17 September 2025.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Seattle that are best for you.

Fly from

Frankfurt

Fly to

Seattle

Route

Depart

Return

Price

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 17/12

06:55-11:50

1 stop13h 55m

Seattle/Tacoma Intl

Tue 30/12

13:40-16:45

1 stop18h 05m

£425

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 30/1

06:55-11:50

1 stop13h 55m

Seattle/Tacoma Intl

Sun 1/3

09:40-11:15

2 stops16h 35m

£426

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 5/11

06:55-11:45

1 stop13h 50m

Seattle/Tacoma Intl

Wed 12/11

07:30-11:15

2 stops18h 45m

£426

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 13/11

06:55-11:45

1 stop13h 50m

Seattle/Tacoma Intl

Sun 7/12

09:30-11:15

2 stops16h 45m

£427

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sat 22/11

06:55-11:45

1 stop13h 50m

Seattle/Tacoma Intl

Thu 11/12

14:11-16:45

2 stops17h 34m

£427

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sat 15/11

10:15-19:00

1 stop17h 45m

Seattle/Tacoma Intl

Fri 5/12

11:22-09:50

2 stops37h 28m

£427

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 2/2

19:20-19:03

2 stops32h 43m

Seattle/Tacoma Intl

Thu 12/2

07:51-08:50

1 stop15h 59m

£429

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 30/1

19:20-19:03

2 stops32h 43m

Seattle/Tacoma Intl

Sat 28/2

01:35-07:15

1 stop20h 40m

£430

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 3/11

10:15-23:42

1 stop22h 27m

Seattle/Tacoma Intl

Mon 17/11

11:42-15:30

2 stops18h 48m

£430

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sat 1/11

06:55-22:27

2 stops23h 32m

Seattle/Tacoma Intl

Mon 17/11

09:25-11:15

2 stops16h 50m

£430

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 20 results
1
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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?

Use this chart to determine the optimal time to book a return flight from Frankfurt to Seattle. Price data was last updated on 12 September 2025.

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 79 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, January is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of £622). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of £946). 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 17 September 2025.

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.

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 4 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 Delta fly from Frankfurt am Main Airport to Seattle in about 13h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Frankfurt am Main Airport to Seattle is about 5089 mi.

  • 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 (66%), United Airlines (66%), Lufthansa (66%).

  • 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, January is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of £622). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of £946). 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
Leavenworth
Bothell
SeaTac

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