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Interlaken

$312+ Cheap flights from Seattle (SEA) to Interlaken, Switzerland

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ZRH
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Interlaken are usually found in October or November, booked 23 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Interlaken

Cheapest flights from Seattle to Interlaken
Explore the most affordable flight options available from Seattle to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:40 pm
SEA
-
ZRH
1 stop17h 55m
Condor
Sun 5/38:00 am
ZRH
-
SEA
1 stop16h 40m
Condor
Deal found 4/20$595
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
SEA
-
ZRH
1 stop13h 00m
Condor
Thu 5/711:20 am
ZRH
-
SEA
1 stop13h 40m
Condor
Deal found 4/20$606
This Flightnetwork deal was found by Cheapflights users on 4/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
Mon 5/112:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 4/19$618
This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:55 pm
SEA
-
ZRH
1 stop18h 45m
Scandinavian Airlines
Tue 9/2910:25 am
ZRH
-
SEA
1 stop12h 20m
Scandinavian Airlines
Deal found 4/19$622
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:55 pm
SEA
-
ZRH
1 stop13h 15m
Scandinavian Airlines
Fri 10/28:25 pm
ZRH
-
SEA
1 stop26h 20m
Scandinavian Airlines
Deal found 4/20$627
This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:10 pm
SEA
-
ZRH
1 stop12h 30m
Condor
Sun 5/38:00 am
ZRH
-
SEA
1 stop16h 40m
Condor
Deal found 4/19$628
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
-
ZRH
1 stop32h 45m
Scandinavian Airlines
Mon 9/72:55 pm
ZRH
-
SEA
1 stop31h 50m
Scandinavian Airlines
Deal found 4/21$632
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm
SEA
-
ZRH
1 stop17h 35m
Condor
Tue 10/138:00 am
ZRH
-
SEA
1 stop16h 40m
Condor
Deal found 4/20$639
This oojo deal was found by Cheapflights users on 4/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm
SEA
-
ZRH
2 stops35h 15m
Scandinavian Airlines
Thu 9/312:55 pm
ZRH
-
SEA
2 stops33h 50m
Scandinavian Airlines
Deal found 4/19$645
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:55 pm
SEA
-
ZRH
1 stop32h 45m
Scandinavian Airlines
Tue 9/810:25 am
ZRH
-
SEA
1 stop12h 20m
Scandinavian Airlines
Deal found 4/20$646
This Scandinavian Airlines deal was found by Cheapflights users on 4/18. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:55 pm
SEA
-
ZRH
2 stops35h 15m
Scandinavian Airlines
Tue 9/2910:25 am
ZRH
-
SEA
1 stop12h 20m
Scandinavian Airlines
Deal found 4/18$647

Find flight deals from Seattle to Interlaken

Keep the following information in mind while searching for Seattle to Interlaken flight deals. Data was last updated April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$622
(Cheapflightsfares)

One-way from

$312
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$564
Provider with most accurate pricing for Seattle/Tacoma Intl-Zurich flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Zurich flights.
Search Deals
From Seattle/Tacoma Intl to Interlaken
Search Deals
One-way flight from Seattle/Tacoma Intl to Interlaken
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Interlaken 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 April 23, 2026.
Use the filters below to find and compare flights from Seattle to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sat 8/22

3:55 pm-12:10 pm

2 stops35h 15m

Zurich

Sat 9/12

6:25 pm-1:45 pm

2 stops28h 20m

$651

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 9/21

7:20 am-2:10 pm

2 stops21h 50m

Zurich

Mon 10/5

8:25 pm-1:45 pm

1 stop26h 20m

$767

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Tue 8/11

3:55 pm-12:10 pm

2 stops35h 15m

Zurich

Fri 8/21

10:25 am-1:45 pm

1 stop12h 20m

$777

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Tue 5/26

3:55 pm-12:45 pm

2 stops35h 50m

Zurich

Tue 8/11

10:25 am-1:45 pm

1 stop12h 20m

$807

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sun 9/6

3:55 pm-12:10 pm

2 stops35h 15m

Zurich

Sun 9/13

10:25 am-1:45 pm

1 stop12h 20m

$817

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Fri 7/24

3:55 pm-9:50 am

2 stops32h 55m

Zurich

Thu 8/13

8:25 pm-1:45 pm

1 stop26h 20m

$827

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 5/11

7:25 am-8:15 am

1 stop15h 50m

Zurich

Wed 5/27

9:50 am-8:53 pm

2 stops20h 03m

$848

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Tue 5/5

7:08 am-9:35 am

1 stop17h 27m

Zurich

Sun 5/17

9:50 am-7:00 pm

1 stop18h 10m

$916
Quickest round-trip

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 5/18

6:10 pm-3:40 pm

1 stop12h 30m

Zurich

Wed 6/10

11:20 am-3:40 pm

1 stop13h 20m

$929

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 5/18

6:10 pm-3:40 pm

1 stop12h 30m

Zurich

Tue 6/16

8:00 am-3:40 pm

1 stop16h 40m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Seattle to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken 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 Interlaken

How far ahead should I book a flight from Seattle to Interlaken?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Interlaken. Price data was last updated on April 17, 2026.

To ensure you get the cheapest price possible for a flight from Seattle to Interlaken, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How much does it cost to fly round-trip from Seattle to Interlaken?

Reviews of airlines servicing Interlaken

Get insights into the airlines that provide service to Interlaken. 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 Interlaken. Reviews last updated April 23, 2026.
Peruse reviews from past customers who have flown with Delta,SWISS, andScandinavian Airlines from Seattle to Interlaken 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.
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,437 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
SWISS
7.6
Good
1,925 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.3
Good
1,754 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
639 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Condor
6.5
Okay
406 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Interlaken?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Interlaken from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Interlaken should be relatively easy as there are 0 daily outbound flights to Interlaken from 13 different airlines.

  • How popular is this Seattle to Interlaken flight route?

    Flights from Seattle/Tacoma Intl to Interlaken have been viewed 1 times in the past calendar month.

  • How long is the flight from Seattle to Interlaken?

    There are many flights that can get you from Seattle to Interlaken in 35h 15m. Fly via Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 5241 mi.

  • What are the cheapest airlines to fly from Seattle to Interlaken one-way?

    $158 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on Icelandair and British Airways, with prices starting from $187 and $207, respectively.

  • What are the cheapest flights from Seattle to Interlaken?

    On average you can expect to pay $866 for a flight from Seattle to Interlaken. The cheapest flight overall is $306 while the most popular route, (Seattle/Tacoma Intl - Zurich) is currently priced at $595.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Interlaken by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Seattle to Interlaken

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

Top 10 airlines flying from Seattle to Interlaken

Discover the top 10 airlines that operate flights from Seattle to Interlaken. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$385Average$498FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$449Average$567FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$452Average$936FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$455Average$668FlexibilityNo cancel feeOn-time69%
SWISSCheapest$469Average$677FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$469Average$679FlexibilityNo cancel feeOn-time70%
CondorCheapest$480Average$740FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$499Average$682FlexibilityNo cancel feeOn-time77%
KLMCheapest$501Average$854FlexibilityNo cancel feeOn-time75%
DeltaCheapest$503Average$745FlexibilityNo cancel feeOn-timeN/A

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