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$684+ Cheap flights from Rotterdam (RTM) to Seattle (SEA)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
RTM — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Rotterdam to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Rotterdam (RTM) 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 July 3, 2025.

Round-trip from

$1,123
(Vliegwinkel)

One-way from

$684
(Kiwi.com)
From Rotterdam The Hague to Seattle/Tacoma Intl
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One-way flight from Rotterdam The Hague to Seattle/Tacoma Intl
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Find flight deals from Rotterdam to Seattle

Cheapest flights from Rotterdam to Seattle
Explore the most affordable flight options available from Rotterdam to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Vliegwinkel deal was found by Cheapflights users on 7/1. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/171:05 pmRTM - SEA
2 stops36h 54mMultiple Airlines
Mon 7/212:55 pmSEA - RTM
2 stops21h 40mMultiple Airlines
Deal found 7/1$1,123
This Flysmarter deal was found by Cheapflights users on 7/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:05 pmRTM - SEA
2 stops31h 06mBritish Airways
Thu 7/241:30 pmSEA - RTM
1 stop21h 45mBritish Airways
Deal found 7/3$1,725
This Vliegwinkel deal was found by Cheapflights users on 7/2. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/188:55 pmRTM - SEA
1 stop30h 25mIberia
Tue 7/228:20 pmSEA - RTM
1 stop14h 55mIberia
Deal found 7/2$2,189

Cheapflights Fare Finder

Customize your flight search to find flights from Rotterdam 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 July 3, 2025.
Use the filters below to find and compare flights from Rotterdam to Seattle that are best for you.

Fly from

Rotterdam

Fly to

Seattle

Route

Depart

Return

Price

RotterdamSeattle

RTM - SEA

RTMSEA

Rotterdam The Hague

Thu 7/17

1:05 pm-4:59 pm

2 stops36h 54m

Seattle/Tacoma Intl

Mon 7/21

2:55 pm-9:35 pm

2 stops21h 40m

$1,123

RotterdamSeattle

RTM - SEA

RTMSEA

Rotterdam The Hague

Sun 7/20

9:05 pm-7:11 pm

2 stops31h 06m

Seattle/Tacoma Intl

Thu 7/24

1:30 pm-8:15 pm

1 stop21h 45m

$1,725

RotterdamSeattle

RTM - SEA

RTMSEA

Rotterdam The Hague

Fri 7/18

8:55 pm-6:20 pm

1 stop30h 25m

Seattle/Tacoma Intl

Tue 7/22

8:20 pm-8:15 pm

1 stop14h 55m

$2,189

RotterdamSeattle

RTM - SEA

RTMSEA

Rotterdam The Hague

Fri 8/15

7:05 am-1:50 pm

3 stops39h 45m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Rotterdam to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Rotterdam to Seattle (average of $238). Flying from Rotterdam to Seattle in July is currently the most expensive (average of $390). 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.

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 July 3, 2025.
Peruse reviews from past customers who have flown with Iberia and British Airways from Rotterdam 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.
Iberia
7.0
Good
2,819 reviews

Entertainment

6.6

Overall

7.0

Comfort

6.8

Crew

7.7

Boarding

7.1

Food

6.3

Reviews

1 / 20
10.0
Excellent

Elizabeth,May 2025

FCO - ORD

The staff were amazing, The seats were mostly comfortable, a little hard to configure, but good. Great communication from the pilot and a smooth flight. A bit delayed but that can happen. All in all a great experience from the airport in Rome to the airport in Chicago. Also got a great fare on cheaptickets. Will gladly use them again.
Iberia
7.0
Good
2,819 reviews
Iberia
7.0
Good
2,819 reviews

Entertainment

6.6

Overall

7.0

Comfort

6.8

Crew

7.7

Boarding

7.1

Food

6.3

Reviews

1 / 20
10.0
Excellent

Elizabeth,May 2025

FCO - ORD

The staff were amazing, The seats were mostly comfortable, a little hard to configure, but good. Great communication from the pilot and a smooth flight. A bit delayed but that can happen. All in all a great experience from the airport in Rome to the airport in Chicago. Also got a great fare on cheaptickets. Will gladly use them again.
British Airways
6.6
Okay
7,093 reviews
Iberia
7.0
Good
2,819 reviews

Entertainment

6.6

Overall

7.0

Comfort

6.8

Crew

7.7

Boarding

7.1

Food

6.3

Reviews

1 / 20
10.0
Excellent

Elizabeth,May 2025

FCO - ORD

The staff were amazing, The seats were mostly comfortable, a little hard to configure, but good. Great communication from the pilot and a smooth flight. A bit delayed but that can happen. All in all a great experience from the airport in Rome to the airport in Chicago. Also got a great fare on cheaptickets. Will gladly use them again.

Related info for your journey

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Rotterdam to Seattle (average of $238). Flying from Rotterdam to Seattle in July is currently the most expensive (average of $390). 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 Rotterdam?

Book flights to Rotterdam if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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