HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Rotterdam

$619+ Cheap flights from Seattle (SEA) to Rotterdam (RTM)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — RTM
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
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 March 15, 2026.

This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:10 pm
SEA
-
RTM
2 stops30h 00m
Multiple Airlines
Mon 5/411:40 am
RTM
-
SEA
2 stops38h 30m
Multiple Airlines
Deal found 3/13$1,338
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 am
SEA
-
RTM
3 stops20h 05m
Multiple Airlines
Sun 5/38:55 pm
RTM
-
SEA
2 stops53h 15m
Multiple Airlines
Deal found 3/12$1,350
This British Airways deal was found by Cheapflights users on 3/13. 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.
Tue 4/78:20 pm
SEA
-
RTM
1 stop14h 55m
British Airways
Thu 4/1610:50 am
RTM
-
SEA
1 stop16h 35m
British Airways
Deal found 3/13$1,627
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Sun 9/135:30 pm
SEA
-
RTM
1 stop20h 25m
Multiple Airlines
Sat 9/197:00 am
RTM
-
SEA
2 stops26h 04m
Multiple Airlines
Deal found 3/14$2,040
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:40 am
SEA
-
RTM
3 stops31h 50m
Multiple Airlines
Sat 4/183:10 pm
RTM
-
SEA
2 stops35h 05m
Multiple Airlines
Deal found 3/13$2,066

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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,338
(American Airlines)

One-way from

$619
(FlightHub)
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
One-way flight 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 March 15, 2026.
Use the filters below to find and compare flights from Seattle to Rotterdam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/26

7:00 am-12:05 pm

3 stops20h 05m

Rotterdam The Hague

Sun 5/3

8:55 pm-5:10 pm

2 stops53h 15m

$1,350
Quickest round-trip

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Tue 4/7

8:20 pm-8:15 pm

1 stop14h 55m

Rotterdam The Hague

Thu 4/16

10:50 am-6:25 pm

1 stop16h 35m

$1,627

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sat 4/11

5:40 am-10:30 pm

3 stops31h 50m

Rotterdam The Hague

Sat 4/18

3:10 pm-5:15 pm

2 stops35h 05m

$2,066
Cheapest one-way
Quickest one-way

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sun 4/19

1:30 pm-7:00 pm

1 stop20h 30m

$619

SeattleRotterdam

SEA - RTM

SEARTM

Seattle/Tacoma Intl

Sat 4/18

1:30 pm-8:20 pm

1 stop21h 50m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Sorted by cheapest first

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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 $438). Flying from Seattle to Rotterdam in July is currently the most expensive (average of $578). 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 $1,627, British Airways can have you in Rotterdam from Seattle in 14h 55m. 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 $438). Flying from Seattle to Rotterdam in July is currently the most expensive (average of $578). 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.

Alternative routes for Seattle to Rotterdam

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Amsterdam flights
Portland to Amsterdam flights
Spokane to Amsterdam flights
Pasco to Amsterdam flights
Portland to Eindhoven flights
Seattle to Eindhoven flights

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.