$644 Cheap Flights from Seattle (SEA) to Rotterdam (RTM)

View $644 flight on Mon, May 4, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Rotterdam (RTM-Rotterdam The Hague)

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Cheap Flights from Seattle to Rotterdam (SEA-RTM)

Prices were available within the past 7 days and start at $644 for one-way flights and $1,069 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, May 4 - Mon, May 11
SEA
Seattle
RTM
Rotterdam
$1,069 Roundtrip, found 3 days ago
$1,069
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, May 4 from Seattle to Rotterdam, returning Mon, May 11, priced at $1,069 found 3 days ago
British Airways
Tue, Sep 8 - Wed, Sep 16
SEA
Seattle
RTM
Rotterdam
$1,119 Roundtrip, found 6 days ago
$1,119
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Sep 8 from Seattle to Rotterdam, returning Wed, Sep 16, priced at $1,119 found 6 days ago
British Airways
Sun, Nov 8 - Tue, Nov 17
SEA
Seattle
RTM
Rotterdam
$1,121 Roundtrip, just found
$1,121
Roundtrip
just found
Select British Airways flight, departing Sun, Nov 8 from Seattle to Rotterdam, returning Tue, Nov 17, priced at $1,121 just found
British Airways
Thu, May 7 - Mon, May 11
SEA
Seattle
RTM
Rotterdam
$1,125 Roundtrip, found 23 hours ago
$1,125
Roundtrip
found 23 hours ago
Select British Airways flight, departing Thu, May 7 from Seattle to Rotterdam, returning Mon, May 11, priced at $1,125 found 23 hours ago
British Airways
Mon, May 4 - Mon, May 11
SEA
Seattle
RTM
Rotterdam
$1,129 Roundtrip, found 3 days ago
$1,129
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, May 4 from Seattle to Rotterdam, returning Mon, May 11, priced at $1,129 found 3 days ago
British Airways
Sun, Nov 8 - Tue, Nov 17
SEA
Seattle
RTM
Rotterdam
$1,131 Roundtrip, just found
$1,131
Roundtrip
just found
Select British Airways flight, departing Sun, Nov 8 from Seattle to Rotterdam, returning Tue, Nov 17, priced at $1,131 just found
British Airways
Thu, May 7 - Mon, May 11
SEA
Seattle
RTM
Rotterdam
$1,135 Roundtrip, found 23 hours ago
$1,135
Roundtrip
found 23 hours ago
Select British Airways flight, departing Thu, May 7 from Seattle to Rotterdam, returning Mon, May 11, priced at $1,135 found 23 hours ago
British Airways
Mon, May 4 - Mon, May 11
SEA
Seattle
RTM
Rotterdam
$1,160 Roundtrip, found 5 days ago
$1,160
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, May 4 from Seattle to Rotterdam, returning Mon, May 11, priced at $1,160 found 5 days ago
British Airways
Wed, May 13 - Mon, May 25
SEA
Seattle
RTM
Rotterdam
$1,163 Roundtrip, found 4 days ago
$1,163
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, May 13 from Seattle to Rotterdam, returning Mon, May 25, priced at $1,163 found 4 days ago
British Airways
Thu, May 7 - Mon, May 11
SEA
Seattle
RTM
Rotterdam
$1,163 Roundtrip, found 23 hours ago
$1,163
Roundtrip
found 23 hours ago
Select British Airways flight, departing Thu, May 7 from Seattle to Rotterdam, returning Mon, May 11, priced at $1,163 found 23 hours ago

Alternative airports near Rotterdam

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Schiphol AMS. Cheapest option available. Average driving time to city center is 43 minutes. Flights from $798
AMS
Schiphol
Cheapest
Average driving time to city center43 min
Flights from $798

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) cost?
You can find cheap one-way flights from $644 and cheap return flights from $1,069 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) with Expedia. Return flights typically cost between $1016 and $1710. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
The cheapest month to fly from SEA to RTM is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
Enter SEA to RTM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
Aer Lingus is one of the cheapest airlines offering connecting flights from Seattle - Tacoma Intl. (SEA) to Rotterdam The Hague (RTM) with a layover in Dublin (DUB), starting from around $1,182. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
The earliest flight from Seattle (SEA) to Rotterdam (RTM) usually departs at around 11:15 AM local time, with options from American Airlines, British Airways, and CJ. This service operates seasonally in April, so planning ahead can help you secure your preferred travel dates. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
The busiest day for flights from Seattle - Tacoma Intl. (SEA) to Rotterdam The Hague (RTM) is a Thursday, with around 9 flights. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, British Airways, and Aer Lingus.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
The most popular departure times for flights from Seattle (SEA) to Rotterdam (RTM) are in the evening, from 6pm to 9pm. About 56% of passengers prefer this time window. Many major carriers, including Aer Lingus and British Airways, offer flights during this window. This timing works well because it allows you to maximize your day in Seattle before your flight.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
Flying from SEA to RTM with a connection usually takes about 21 hours 50 minutes, traveling roughly 4,884 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
Select the "Business class" and "First class" filters when looking for SEA to RTM flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Rotterdam from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Rotterdam from Seattle - Tacoma Intl. (SEA), you can fly into Rotterdam The Hague (RTM) Some flights may connect through major hubs like DUB (DUB), O'Hare Intl. (ORD), Portland Intl. (PDX) before reaching Rotterdam. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) Rotterdam Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Rotterdam (RTM-Rotterdam The Hague) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Rotterdam The Hague
Airlines serving
British Airways
Roundtrip price
$1,069
Distance
4883 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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