$510 Cheap Flights from Zürich (ZRH) to Seattle (SEA)

View $510 flight on Thu, Oct 16, 2025Opens in a new window

Popular airlines from Zurich Airport (ZRH) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Zürich to Seattle (ZRH-SEA)

Prices were available within the past 7 days and start at $510 for one-way flights and $460 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Condor
Fri, Sep 12 - Sun, Sep 21
ZRH
Zürich
SEA
Seattle
$460 Roundtrip, found 3 days ago
$460
Roundtrip
found 3 days ago
Select Condor flight, departing Fri, Sep 12 from Zürich to Seattle, returning Sun, Sep 21, priced at $460 found 3 days ago
Scandinavian Airlines
Fri, Sep 5 - Sun, Sep 14
ZRH
Zürich
SEA
Seattle
$510 Roundtrip, found 2 hours ago
$510
Roundtrip
found 2 hours ago
Select Scandinavian Airlines flight, departing Fri, Sep 5 from Zürich to Seattle, returning Sun, Sep 14, priced at $510 found 2 hours ago
Icelandair
Thu, Oct 16 - Wed, Oct 22
ZRH
Zürich
SEA
Seattle
$554 Roundtrip, found 3 days ago
$554
Roundtrip
found 3 days ago
Select Icelandair flight, departing Thu, Oct 16 from Zürich to Seattle, returning Wed, Oct 22, priced at $554 found 3 days ago
British Airways
Mon, Sep 22 - Tue, Oct 14
ZRH
Zürich
SEA
Seattle
$565 Roundtrip, found 6 days ago
$565
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Sep 22 from Zürich to Seattle, returning Tue, Oct 14, priced at $565 found 6 days ago
American Airlines
Sat, Nov 8 - Sun, Nov 16
ZRH
Zürich
SEA
Seattle
$571 Roundtrip, found 3 days ago
$571
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 8 from Zürich to Seattle, returning Sun, Nov 16, priced at $571 found 3 days ago
United
Sat, Nov 8 - Sun, Nov 16
ZRH
Zürich
SEA
Seattle
$593 Roundtrip, found 3 days ago
$593
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 8 from Zürich to Seattle, returning Sun, Nov 16, priced at $593 found 3 days ago
Lufthansa
Fri, Sep 12 - Sun, Sep 21
ZRH
Zürich
SEA
Seattle
$593 Roundtrip, found 3 days ago
$593
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Sep 12 from Zürich to Seattle, returning Sun, Sep 21, priced at $593 found 3 days ago
Aer Lingus
Sat, Sep 6 - Thu, Sep 11
ZRH
Zürich
SEA
Seattle
$596 Roundtrip, found 3 days ago
$596
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Sat, Sep 6 from Zürich to Seattle, returning Thu, Sep 11, priced at $596 found 3 days ago
Air Canada
Fri, Oct 10 - Tue, Oct 14
ZRH
Zürich
SEA
Seattle
$601 Roundtrip, found 1 day ago
$601
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Oct 10 from Zürich to Seattle, returning Tue, Oct 14, priced at $601 found 1 day ago
Delta
Fri, Sep 5 - Mon, Sep 15
ZRH
Zürich
SEA
Seattle
$616 Roundtrip, found 2 hours ago
$616
Roundtrip
found 2 hours ago
Select Delta flight, departing Fri, Sep 5 from Zürich to Seattle, returning Mon, Sep 15, priced at $616 found 2 hours ago

Find the cheapest month to fly from Zürich (ZRH) to Seattle (SEA)

April is typically the cheapest month to fly

From $433 - $851 per traveler.

Graph displaying average flight prices per month

Flights from Zürich (ZRH) to Seattle (SEA)
Origin airport
Zürich
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Condor, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$460
Distance
5244 mi
Average flight time
10 hours 50 mins

Zürich to Seattle Flights

The cheapest times to fly from Zürich to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Zürich to Seattle are during the month of September. You can find some of the cheapest flights from Zürich to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Zürich to Seattle

Sunday is one of the best days to book for cheap flights from Zürich to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Zürich to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Zürich to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $510 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Zürich to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Zürich to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA) cost?
Cheap round-trip flights from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA) start from $772. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Swiss International Air Lines flight leaving ZRH on July 14 2025 and touching down at SEA. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from ZRH to SEA?
The cheapest flights from ZRH to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ZRH to SEA?
Currently, the cheapest airline operating one-way flights from ZRH to SEA is Lufthansa. You can jet off on this route from $1597. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ZRH on September 1 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA)?
There aren't any daily nonstop flights from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from ZRH to SEA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA)?
To reach Seattle - Tacoma Intl. Airport (SEA) without delays, choose a flight that leaves Zurich Airport (ZRH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from ZRH to SEA shortly before your trip is usually more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a ZRH to SEA flight and hotel package?
Booking a ZRH to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Zurich Airport (ZRH) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, you can cancel or modify your ZRH to SEA flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

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*Available to One Key members.