HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rotterdam

$612+ Cheap flights from Seattle (SEA) to Rotterdam (RTM)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RTM
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Rotterdam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Rotterdam

Cheapest flights from Seattle to Rotterdam
Explore the most affordable flight options available from Seattle to Rotterdam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:35 pm
SEA
-
RTM
1 stop20h 25m
British Airways
Wed 5/68:55 pm
RTM
-
SEA
1 stop23h 40m
British Airways
Deal found 1/27$612
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
SEA
-
RTM
1 stop30h 45m
British Airways
Wed 5/68:55 pm
RTM
-
SEA
1 stop23h 40m
British Airways
Deal found 1/27$662
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
SEA
-
RTM
1 stop15h 00m
British Airways
Sun 5/38:55 pm
RTM
-
SEA
1 stop23h 40m
British Airways
Deal found 1/27$712
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
SEA
-
RTM
1 stop27h 35m
British Airways
Fri 5/17:00 pm
RTM
-
SEA
1 stop25h 35m
British Airways
Deal found 1/27$807
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
SEA
-
RTM
1 stop15h 00m
British Airways
Fri 5/17:00 pm
RTM
-
SEA
1 stop25h 35m
British Airways
Deal found 1/27$857
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:35 pm
SEA
-
RTM
1 stop16h 05m
British Airways
Mon 5/47:40 pm
RTM
-
SEA
1 stop31h 45m
British Airways
Deal found 1/27$858
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:29 pm
SEA
-
RTM
2 stops20h 31m
British Airways
Sun 5/38:55 pm
RTM
-
SEA
1 stop23h 40m
British Airways
Deal found 1/27$866
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:20 pm
SEA
-
RTM
1 stop30h 45m
British Airways
Tue 5/512:45 pm
RTM
-
SEA
1 stop14h 40m
British Airways
Deal found 1/27$908

Find flight deals from Seattle to Rotterdam

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Rotterdam (RTM). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$612
(British Airways)
Provider with most accurate pricing for Seattle/Tacoma Intl-Rotterdam The Hague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Rotterdam The Hague flights.
Search Deals
From Seattle/Tacoma Intl to Rotterdam The Hague
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Rotterdam 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 January 29, 2026.
Use the filters below to find and compare flights from Seattle to Rotterdam that are best for you.

Fly from

Seattle

Fly to

Rotterdam

Route

Depart

Return

Price

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

8:20 pm-12:05 pm

1 stop30h 45m

Rotterdam The Hague

Thu 4/30

10:50 am-6:25 pm

1 stop16h 35m

$612

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

8:20 pm-8:55 am

1 stop27h 35m

Rotterdam The Hague

Sun 5/3

8:55 pm-11:35 am

1 stop23h 40m

$662

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sat 4/18

8:20 pm-2:40 pm

1 stop33h 20m

Rotterdam The Hague

Thu 4/30

10:50 am-6:25 pm

1 stop16h 35m

$662

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

8:20 pm-8:55 am

1 stop27h 35m

Rotterdam The Hague

Fri 5/1

7:00 pm-11:35 am

1 stop25h 35m

$807

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

7:00 am-7:00 pm

2 stops27h 00m

Rotterdam The Hague

Wed 5/6

5:50 pm-11:35 am

1 stop26h 45m

$816

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sat 4/18

8:20 pm-8:20 pm

1 stop15h 00m

Rotterdam The Hague

Fri 5/1

7:00 pm-11:35 am

1 stop25h 35m

$857

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

1:35 pm-2:40 pm

1 stop16h 05m

Rotterdam The Hague

Mon 5/4

7:40 pm-6:25 pm

1 stop31h 45m

$858

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

1:35 pm-7:00 pm

1 stop20h 25m

Rotterdam The Hague

Tue 5/5

7:40 pm-11:35 am

1 stop24h 55m

$858

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sat 4/18

8:20 pm-12:05 pm

1 stop30h 45m

Rotterdam The Hague

Tue 5/5

12:45 pm-6:25 pm

1 stop14h 40m

$908

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from Seattle to Rotterdam

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Rotterdam in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Rotterdam flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Rotterdam flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Rotterdam flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Rotterdam flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Rotterdam flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Rotterdam

Have a flexible travel schedule? Discover the best time to fly to Rotterdam from Seattle 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 Seattle to Rotterdam

What is the cheapest month to book a flight from Seattle to Rotterdam?

Currently, September is the cheapest month in which you can book a flight from Seattle to Rotterdam (average of $442). Flying from Seattle to Rotterdam in June is currently the most expensive (average of $608). 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.

Related info for your journey

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

  • How long is the flight from Seattle to Rotterdam?

    For as low as $612, British Airways can have you in Rotterdam from Seattle in 30h 45m. Seattle and Rotterdam are separated by a distance of 4880 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Rotterdam 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 Seattle to Rotterdam?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Rotterdam (average of $442). Flying from Seattle to Rotterdam in June is currently the most expensive (average of $608). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.