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Cheap flights from Frankfurt am Main Airport to Seattle from £411

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — SEA
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Frankfurt am Main to Seattle/Tacoma Intl are usually found in March or February, booked 59 days in advance, depart on a Monday or Tuesday 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 13 June 2025.

Round-trip from

£411

Popular in

July

Cheapest in

March

Average price

£500
Lufthansa
  • Lufthansa
  • 30/10-5/11
  • 1 total stop
  • 29h 40m total
  • Frankfurt am Main to Seattle
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Highest demand for flights based on searches. 14% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in June 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 13 June 2025.

Thu 30/1010:20FRA - SEA
Nonstop10h 50mLufthansa
Wed 5/1115:10SEA - FRA
1 stop18h 50mLufthansa
Deal found 11/6£411
Mon 1/917:10FRA - SEA
1 stop12h 30mIcelandair
Sat 20/915:45SEA - FRA
1 stop12h 15mIcelandair
Deal found 12/6£412
Tue 2/916:15FRA - SEA
1 stop33h 44mUnited Airlines
Sat 20/910:40SEA - FRA
1 stop15h 35mUnited Airlines
Deal found 12/6£413
Mon 23/606:35FRA - SEA
1 stop14h 00mBritish Airways
Thu 10/713:30SEA - FRA
1 stop24h 10mBritish Airways
Deal found 11/6£419
Sun 24/815:25FRA - SEA
1 stop31h 25mScandinavian Airlines
Wed 10/916:00SEA - FRA
1 stop13h 40mScandinavian Airlines
Deal found 11/6£422
Fri 27/619:20FRA - SEA
1 stop25h 20mKLM
Mon 7/714:05SEA - FRA
1 stop14h 30mKLM
Deal found 11/6£424
Sun 22/606:00FRA - SEA
1 stop14h 40mDelta
Sun 6/707:26SEA - FRA
2 stops17h 09mDelta
Deal found 12/6£425
Wed 6/819:20FRA - SEA
1 stop29h 40mFinnair
Wed 13/817:40SEA - FRA
1 stop30h 40mFinnair
Deal found 11/6£439
Sun 31/806:40FRA - SEA
2 stops24h 40mSWISS
Tue 9/914:29SEA - FRA
2 stops21h 31mSWISS
Deal found 11/6£470
Mon 14/710:00FRA - SEA
2 stops41h 36mAir Canada
Mon 4/807:20SEA - FRA
2 stops19h 40mAir Canada
Deal found 11/6£473
Mon 21/708:50FRA - SEA
1 stop15h 05mMultiple Airlines
Sun 17/814:20SEA - FRA
Nonstop9h 35mMultiple Airlines
Deal found 11/6£503
Fri 18/706:30FRA - SEA
2 stops24h 14mAmerican Airlines
Mon 28/700:59SEA - FRA
2 stops21h 21mAmerican Airlines
Deal found 11/6£524

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 13 June 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

Thu 30/10

10:20-13:10

Nonstop10h 50m

Seattle/Tacoma Intl

Wed 5/11

15:10-19:00

1 stop18h 50m

£411

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 1/9

17:10-20:40

1 stop12h 30m

Seattle/Tacoma Intl

Sat 20/9

15:45-13:00

1 stop12h 15m

£412

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Tue 2/9

16:15-16:59

1 stop33h 44m

Seattle/Tacoma Intl

Wed 17/9

06:25-14:55

1 stop23h 30m

£413

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 23/6

06:35-11:35

1 stop14h 00m

Seattle/Tacoma Intl

Thu 10/7

13:30-22:40

1 stop24h 10m

£419

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sun 24/8

15:25-13:50

1 stop31h 25m

Seattle/Tacoma Intl

Wed 10/9

16:00-14:40

1 stop13h 40m

£422

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 27/6

19:20-11:40

1 stop25h 20m

Seattle/Tacoma Intl

Mon 7/7

14:05-13:35

1 stop14h 30m

£424

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sun 31/8

07:00-17:51

2 stops19h 51m

Seattle/Tacoma Intl

Wed 17/9

18:45-17:45

1 stop14h 00m

£425

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 6/8

19:20-16:00

1 stop29h 40m

Seattle/Tacoma Intl

Mon 11/8

17:40-18:35

1 stop15h 55m

£439

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sun 31/8

06:40-22:20

2 stops24h 40m

Seattle/Tacoma Intl

Tue 9/9

14:29-21:00

2 stops21h 31m

£470

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 14/7

10:00-22:16

2 stops45h 16m

Seattle/Tacoma Intl

Tue 29/7

07:20-12:00

2 stops19h 40m

£473

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 21 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 9 June 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 59 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 13 June 2025.

It’s optimal to fly from Frankfurt am Main Airport to Seattle in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Frankfurt am Main Airport to Seattle

Explore weekly flight availability from Frankfurt to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from FRA to SEA are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Frankfurt am Main to Seattle to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 airline.

  • What are the cheapest airlines flying from Frankfurt am Main Airport to Seattle round-trip?

    Flying on Lufthansa is currently your cheapest option to Seattle, with prices starting at £411. Additional return tickets that might be worth considering are offered by Icelandair and United Airlines, with the lowest prices starting at £412 and £413, respectively. Lufthansa is priced at 15% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Frankfurt am Main Airport to Seattle one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £536. Users have also found prices from £603 and £609 on Icelandair and Condor, respectively.

  • 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 (59%), United Airlines (59%), Lufthansa (59%).

  • 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 Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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Top airline flying from Frankfurt to Seattle

Discover the top airline that operate flights from Frankfurt to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£489Average£537FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Frankfurt to Seattle?

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

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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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