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$573+ Cheap flights from Frankfurt am Main to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — SEA
Aug 30 — Sep 61
Sat 8/30
Sat 9/6
1 adult, Economy
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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 Sunday or Tuesday and return on a Sunday

Cheap flight deals from Frankfurt am Main to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt am Main (FK0) 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 August 25, 2025.

Round-trip from

$574
(Air Canada)

Popular in

July

Cheapest in

March

Average price

$771
From Frankfurt am Main to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Frankfurt am Main to Seattle

Cheapest flights from Frankfurt am Main to Seattle
Explore the most affordable flight options available from Frankfurt am Main to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2025.

This lol.travel deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:45 amFRA - SEA
Nonstop10h 10mUnited Airlines
Sun 9/218:45 amSEA - FRA
1 stop15h 35mUnited Airlines
Deal found 8/25$573
This Air Canada deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:45 amFRA - SEA
2 stops17h 51mAir Canada
Wed 10/2910:05 amSEA - FRA
2 stops16h 40mAir Canada
Deal found 8/25$574
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:45 amFRA - SEA
Nonstop10h 10mUnited Airlines
Mon 10/62:20 pmSEA - FRA
Nonstop9h 35mUnited Airlines
Deal found 8/24$575
This Lufthansa deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:15 amFRA - SEA
1 stop17h 21mLufthansa
Tue 10/142:20 pmSEA - FRA
Nonstop9h 35mLufthansa
Deal found 8/23$576
This Flighttix deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2012:20 pmFRA - SEA
1 stop17h 22mLufthansa
Sat 9/272:20 pmSEA - FRA
Nonstop9h 35mLufthansa
Deal found 8/25$577
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:15 pmFRA - SEA
2 stops20h 44mUnited Airlines
Sat 1/1710:58 amSEA - FRA
1 stop13h 57mUnited Airlines
Deal found 8/23$578
This Air Canada deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:35 pmFRA - SEA
1 stop34h 56mAir Canada
Mon 9/157:15 amSEA - FRA
1 stop14h 55mAir Canada
Deal found 8/25$580
This Flighttix deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/211:55 amFRA - SEA
1 stop13h 48mMultiple Airlines
Tue 9/165:05 pmSEA - FRA
Nonstop10h 05mMultiple Airlines
Deal found 8/23$581
This United Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:30 amFRA - SEA
1 stop18h 24mUnited Airlines
Tue 11/252:00 pmSEA - FRA
Nonstop10h 10mUnited Airlines
Deal found 8/23$582
This Flighttix deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:25 amFRA - SEA
2 stops19h 06mAir Canada
Sun 9/2110:00 amSEA - FRA
1 stop13h 05mAir Canada
Deal found 8/23$583
This Booking.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:20 amFRA - SEA
Nonstop10h 50mLufthansa
Sun 12/73:10 pmSEA - FRA
1 stop11h 50mLufthansa
Deal found 8/24$584
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:35 pmHHN - SEA
2 stops29h 50mMultiple Airlines
Fri 11/148:05 pmSEA - HHN
1 stop18h 20mMultiple Airlines
Deal found 8/23$910

Cheapflights Fare Finder

 
Customize your flight search to find flights from Frankfurt am Main 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 2,558,603 searches. Data last updated August 25, 2025.
Use the filters below to find and compare flights from Frankfurt am Main to Seattle that are best for you.

Fly from

Frankfurt am Main

Fly to

Seattle

Route

Depart

Return

Price

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Tue 10/7

9:45 am-6:36 pm

2 stops17h 51m

Seattle/Tacoma Intl

Tue 10/14

5:30 am-11:00 am

1 stop20h 30m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Wed 10/1

10:45 am-11:55 am

Nonstop10h 10m

Seattle/Tacoma Intl

Sun 10/12

2:20 pm-8:55 am

Nonstop9h 35m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 10/3

10:45 am-11:55 am

Nonstop10h 10m

Seattle/Tacoma Intl

Fri 10/17

2:55 pm-8:05 am

1 stop32h 10m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 10/3

10:45 am-11:55 am

Nonstop10h 10m

Seattle/Tacoma Intl

Fri 10/17

2:20 pm-8:55 am

Nonstop9h 35m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 9/18

10:15 am-2:16 pm

1 stop13h 01m

Seattle/Tacoma Intl

Sat 10/4

7:15 am-11:10 am

2 stops18h 55m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Sat 9/6

10:45 am-11:55 am

Nonstop10h 10m

Seattle/Tacoma Intl

Sat 9/27

2:20 pm-8:55 am

Nonstop9h 35m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Fri 9/26

10:15 am-6:36 pm

1 stop17h 21m

Seattle/Tacoma Intl

Sat 10/4

7:15 am-11:10 am

2 stops18h 55m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Mon 9/22

10:45 am-11:55 am

Nonstop10h 10m

Seattle/Tacoma Intl

Mon 9/29

2:20 pm-8:55 am

Nonstop9h 35m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Tue 10/7

9:45 am-6:36 pm

2 stops17h 51m

Seattle/Tacoma Intl

Thu 10/16

10:00 am-10:15 am

2 stops15h 15m

$574

Frankfurt am MainSeattle

FRA - SEA

FRASEA

Frankfurt am Main

Thu 10/9

10:45 am-11:55 am

Nonstop10h 10m

Seattle/Tacoma Intl

Sat 10/25

8:00 am-8:10 am

1 stop15h 10m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

Showing 1-10 of 37 results
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The best insider tips for Frankfurt am Main to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Frankfurt am Main to Seattle trip
Airports
FRA

Download the official FRA app to stay updated on strikes and other key info for a smoother departure experience.

Read more about FRAby Blane Bachelor
SEA

Use the Link light rail from SEA to downtown Seattle for an affordable, 40-minute journey with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on FRA

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Frankfurt am Main to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Frankfurt am Main with our price prediction graph.
Estimated round-trip 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 to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Frankfurt am Main to Seattle. Price data was last updated on August 22, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Frankfurt am Main to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Frankfurt am Main to Seattle (average of $238). Flying from Frankfurt am Main to Seattle in June is currently the most expensive (average of $388). 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 am Main 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 August 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Frankfurt am Main to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

Weekly flight availability from Frankfurt am Main to Seattle

Explore weekly flight availability from Frankfurt am Main 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 August 25, 2025.

The most flights from FK0 to SEA are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Frankfurt am Main to Seattle?

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 August 25, 2025.
Peruse reviews from past customers who have flown with United Airlines, Lufthansa, and British Airways from Frankfurt am Main to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,940 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
United Airlines
7.4
Good
8,940 reviews
United Airlines
7.4
Good
8,940 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
Lufthansa
6.8
Okay
7,359 reviews
United Airlines
7.4
Good
8,940 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
British Airways
6.7
Okay
7,305 reviews
United Airlines
7.4
Good
8,940 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.
Condor
6.3
Okay
355 reviews
United Airlines
7.4
Good
8,940 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

Related info for your journey

Find useful and relevant information for your journey from Frankfurt am Main 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?

    For a flight from Frankfurt am Main to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 5 inbound flights from Frankfurt am Main per day. 4 airlines have flights to Seattle/Tacoma Intl from Frankfurt am Main on a regular basis.

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

    A quick flight from Frankfurt am Main to Seattle can take about 10h 10m. Air Canada provides one of the quickest options available for as low as $574. The distance between Frankfurt am Main and Seattle is about 5089 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $476, Condor will fly you from Frankfurt am Main to Seattle and back. In addition to Condor, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Lufthansa - these airlines can fly you to your destination from $508 and $524, respectively. These flights start at 28% lower than the current average price 3 months from now.

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

    Consider Air Canada (71%), United Airlines (71%) or Lufthansa (71%) when booking your flight. These represent the most reliable airlines when flying from Frankfurt am Main to Seattle.

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

    While on average a flight from Frankfurt am Main to Seattle is generally $1,463, our data shows the cheapest flight currently is $570. When looking at the most popular route, (Frankfurt am Main - Seattle/Tacoma Intl), you can expect to pay $492 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Frankfurt am Main 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 to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Frankfurt am Main to Seattle (average of $238). Flying from Frankfurt am Main to Seattle in June is currently the most expensive (average of $388). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Tacoma
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Alternative routes for Frankfurt am Main to Seattle

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Top 4 airlines flying from Frankfurt am Main to Seattle

Discover the top 4 airlines that operate flights from Frankfurt am Main 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 2,558,603 searches. Data last updated August 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
CondorCheapest$476Average$640FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$508Average$711FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$524Average$660FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$556Average$679FlexibilityNo cancel feeOn-time69%

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