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Cheap flights from Frankfurt am Main Airport to Seattle from £321

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — SEA
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Frankfurt am Main to Seattle/Tacoma Intl are usually found in March or February, booked 20 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 14 November 2025.

Round-trip from

£412

One-way from

£321

Popular in

July

Cheapest in

March

Average price

£457

Good one-way deal

£1,858 or less
Icelandair
  • Icelandair
  • 27/2-5/3
  • 2 total stops
  • 25h 25m total
  • Frankfurt am Main to Seattle
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Finnair
  • Finnair
  • 12/1
  • 2 total stops
  • 35h 27m total
  • Frankfurt am Main to Seattle
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Highest demand for flights based on searches. 13% potential increase in price (£58 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 November 2025
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Price to beat on a one-way flight from Frankfurt am Main to Seattle/Tacoma Intl.
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Find 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 14 November 2025.

Wed 3/1213:05FRA - SEA
1 stop12h 55mIcelandair
Wed 10/1214:35SEA - FRA
1 stop12h 30mIcelandair
Deal found 13/11£454
Thu 13/1113:55FRA - SEA
Nonstop10h 45mCondor
Mon 17/1117:40SEA - FRA
Nonstop10h 10mCondor
Deal found 13/11£476
Wed 26/1106:55FRA - SEA
1 stop13h 50mMultiple Airlines
Wed 3/1214:05SEA - FRA
1 stop17h 40mMultiple Airlines
Deal found 12/11£487
Sat 6/1213:05FRA - SEA
1 stop12h 55mIcelandair
Wed 10/1214:35SEA - FRA
1 stop12h 30mIcelandair
Deal found 13/11£489
Wed 3/1214:15FRA - SEA
1 stop30h 35mDelta
Tue 9/1223:15SEA - FRA
1 stop23h 35mDelta
Deal found 13/11£491
Thu 27/1106:55FRA - SEA
1 stop13h 50mKLM
Wed 3/1215:05SEA - FRA
1 stop18h 35mKLM
Deal found 13/11£492
Wed 26/1108:15FRA - SEA
1 stop14h 05mUnited Airlines
Wed 3/1208:40SEA - FRA
2 stops20h 20mUnited Airlines
Deal found 12/11£493
Sun 23/1108:15FRA - SEA
1 stop14h 05mUnited Airlines
Tue 2/1208:40SEA - FRA
1 stop17h 50mUnited Airlines
Deal found 13/11£494
Tue 2/1214:15FRA - SEA
1 stop30h 35mDelta
Wed 10/1214:05SEA - FRA
1 stop17h 40mDelta
Deal found 13/11£496
Mon 24/1110:20FRA - SEA
Nonstop10h 50mUnited Airlines
Mon 8/1210:40SEA - FRA
1 stop14h 15mUnited Airlines
Deal found 13/11£497
Sun 23/1108:15FRA - SEA
1 stop14h 05mUnited Airlines
Sat 29/1122:00SEA - FRA
1 stop28h 30mUnited Airlines
Deal found 13/11£498
Mon 24/1110:20FRA - SEA
Nonstop10h 50mUnited Airlines
Fri 5/1209:25SEA - FRA
2 stops16h 40mUnited Airlines
Deal found 13/11£498

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 14 November 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

Fri 23/1

13:05-17:00

1 stop12h 55m

Seattle/Tacoma Intl

Tue 10/2

14:35-12:05

1 stop12h 30m

£413

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 26/3

13:05-18:00

1 stop12h 55m

Seattle/Tacoma Intl

Mon 30/3

15:45-13:00

1 stop12h 15m

£413

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 11/5

10:35-11:35

1 stop34h 00m

Seattle/Tacoma Intl

Wed 27/5

13:35-18:15

1 stop19h 40m

£421

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 11/5

10:55-00:52

1 stop22h 57m

Seattle/Tacoma Intl

Sat 23/5

06:31-13:55

2 stops22h 24m

£438

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Tue 12/5

10:55-18:57

1 stop17h 02m

Seattle/Tacoma Intl

Sun 24/5

13:35-22:25

1 stop23h 50m

£438

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 11/5

10:55-00:52

1 stop22h 57m

Seattle/Tacoma Intl

Mon 25/5

20:20-22:25

1 stop17h 05m

£438

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 11/5

10:35-23:00

2 stops21h 25m

Seattle/Tacoma Intl

Fri 22/5

13:35-21:50

1 stop23h 15m

£443

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 3/12

13:05-17:00

1 stop12h 55m

Seattle/Tacoma Intl

Thu 11/12

14:35-12:05

1 stop12h 30m

£454

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 3/12

13:05-17:00

1 stop12h 55m

Seattle/Tacoma Intl

Wed 10/12

14:35-12:05

1 stop12h 30m

£454

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 3/12

13:05-17:00

1 stop12h 55m

Seattle/Tacoma Intl

Mon 8/12

14:35-12:05

1 stop12h 30m

£454

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 23 results
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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 7 November 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 20 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, March is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of £314). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of £475). 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 14 November 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 0 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 Icelandair and British Airways fly from Frankfurt am Main Airport to Seattle in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 21h 05m. 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 (53%), United Airlines (53%), Lufthansa (53%).

  • What are the cheapest flights from Frankfurt am Main Airport to Seattle?

    The cheapest flight price from Frankfurt am Main Airport to Seattle is £1,858. On average you can expect to pay £1,858. The most popular route, (Frankfurt am Main - Seattle/Tacoma Intl), can usually be booked for £435.

  • 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, March is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Seattle (average of £314). Flying from Frankfurt am Main Airport to Seattle in July is currently the most expensive (average of £475). 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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