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Interlaken

$272+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ZRH
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Interlaken are usually found in November or October, booked 23 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Seattle to Interlaken

Keep the following information in mind while searching for Seattle to Interlaken flight deals. Data was last updated January 19, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$437
(KAYAK)

One-way from

$272
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$556
Provider with most accurate pricing for Seattle/Tacoma Intl-Zurich flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Zurich flights.
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From Seattle/Tacoma Intl to Interlaken
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One-way flight from Seattle/Tacoma Intl to Interlaken
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Highest demand for flights based on searches. 16% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 19, 2026.

This KAYAK deal was found by Cheapflights users on 1/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/312:35 pm
SEA
-
ZRH
1 stop12h 30m
Icelandair
Thu 2/51:00 pm
ZRH
-
SEA
1 stop13h 00m
Icelandair
Deal found 1/17$437
This oojo deal was found by Cheapflights users on 1/17. 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.
Thu 5/143:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
Mon 5/252:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 1/17$444
This oojo deal was found by Cheapflights users on 1/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Sun 5/248:05 am
ZRH
-
SEA
1 stop12h 40m
Icelandair
Deal found 1/18$446
This Gotogate deal was found by Cheapflights users on 1/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:40 pm
SEA
-
ZRH
2 stops16h 05m
Multiple Airlines
Tue 3/107:05 am
ZRH
-
SEA
1 stop14h 05m
Multiple Airlines
Deal found 1/17$453
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 8/233:55 pm
SEA
-
ZRH
1 stop13h 15m
Scandinavian Airlines
Tue 9/110:25 am
ZRH
-
SEA
1 stop12h 20m
Scandinavian Airlines
Deal found 1/17$458
This CrystalTravel deal was found by Cheapflights users on 1/18. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/163:55 pm
SEA
-
ZRH
1 stop13h 15m
Scandinavian Airlines
Sun 8/3010:25 am
ZRH
-
SEA
1 stop12h 20m
Scandinavian Airlines
Deal found 1/18$463
This oojo deal was found by Cheapflights users on 1/18. 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 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
Sun 9/1310:25 am
ZRH
-
SEA
1 stop12h 20m
Scandinavian Airlines
Deal found 1/18$468
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:32 pm
SEA
-
ZRH
1 stop17h 58m
Multiple Airlines
Fri 3/67:05 am
ZRH
-
SEA
1 stop14h 05m
Multiple Airlines
Deal found 1/18$469
This Gotogate deal was found by Cheapflights users on 1/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:40 pm
SEA
-
ZRH
2 stops17h 05m
Multiple Airlines
Fri 3/277:15 am
ZRH
-
SEA
1 stop15h 05m
Multiple Airlines
Deal found 1/18$471
This Kiwi.com deal was found by Cheapflights users on 1/17. 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.
Wed 1/282:35 pm
SEA
-
ZRH
1 stop12h 30m
Icelandair
Thu 2/51:00 pm
ZRH
-
SEA
1 stop13h 00m
Icelandair
Deal found 1/17$473
This FlightHub deal was found by Cheapflights users on 1/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:55 pm
SEA
-
ZRH
1 stop32h 45m
Scandinavian Airlines
Sat 8/298:25 pm
ZRH
-
SEA
1 stop26h 20m
Scandinavian Airlines
Deal found 1/17$474

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 January 19, 2026.
Use the filters below to find and compare flights from Seattle to Interlaken that are best for you.

Fly from

Seattle

Fly to

Interlaken

Route

Depart

Return

Price

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Fri 2/27

3:10 pm-7:40 pm

1 stop19h 30m

Zurich

Fri 3/6

7:05 am-7:03 pm

2 stops20h 58m

$495

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 3/4

3:40 pm-11:55 am

2 stops35h 15m

Zurich

Sun 3/8

1:20 pm-10:16 pm

1 stop16h 56m

$495

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 2/16

3:40 pm-4:45 pm

2 stops16h 05m

Zurich

Mon 2/23

1:20 pm-10:16 pm

1 stop17h 56m

$495

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 3/4

7:00 am-11:55 am

2 stops19h 55m

Zurich

Wed 3/11

1:20 pm-10:16 pm

1 stop16h 56m

$499

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 3/11

9:20 am-2:45 pm

2 stops21h 25m

Zurich

Wed 3/18

1:20 pm-10:16 pm

1 stop16h 56m

$499

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 3/11

12:36 pm-4:45 pm

2 stops20h 09m

Zurich

Thu 3/19

1:20 pm-10:16 pm

1 stop16h 56m

$499

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 3/4

8:17 am-7:40 am

1 stop14h 23m

Zurich

Sun 3/8

1:20 pm-10:16 pm

1 stop16h 56m

$503

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 2/18

11:59 pm-7:55 am

1 stop22h 56m

Zurich

Tue 2/24

1:00 pm-10:16 pm

1 stop18h 16m

$503

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sat 3/7

11:47 pm-7:55 am

1 stop23h 08m

Zurich

Tue 3/17

1:00 pm-10:16 pm

1 stop17h 16m

$503

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sun 2/15

11:59 pm-7:55 am

1 stop22h 56m

Zurich

Wed 2/25

1:20 pm-10:16 pm

1 stop17h 56m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 20 results
1
2

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 January 16, 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.

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

Currently, April is the cheapest month in which you can book a flight from Seattle to Interlaken (average of $344). Flying from Seattle to Interlaken in June is currently the most expensive (average of $570). 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 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 January 19, 2026.
Peruse reviews from past customers who have flown with Delta, SWISS, and Icelandair 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
8,077 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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
8,077 reviews
Delta
7.9
Good
8,077 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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
7.5
Good
1,855 reviews
Delta
7.9
Good
8,077 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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
7.1
Good
598 reviews
Delta
7.9
Good
8,077 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.
Lufthansa
6.8
Okay
7,732 reviews
Delta
7.9
Good
8,077 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.
British Airways
6.7
Okay
7,691 reviews
Delta
7.9
Good
8,077 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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 14 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 12h 30m. Fly via Icelandair 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?

    $187 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on British Airways and SWISS, with prices starting from $207 and $214, respectively.

  • What are the cheapest flights from Seattle to Interlaken?

    On average you can expect to pay $889 for a flight from Seattle to Interlaken. The cheapest flight overall is $356 while the most popular route, (Seattle/Tacoma Intl - Zurich) is currently priced at $388.

  • 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.

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

    Currently, April is the cheapest month in which you can book a flight from Seattle to Interlaken (average of $344). Flying from Seattle to Interlaken in June is currently the most expensive (average of $570). 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

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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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$384Average$497FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$390Average$520FlexibilityNo cancel feeOn-time76%
CondorCheapest$400Average$667FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$435Average$726FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$452Average$845FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$455Average$708FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$467Average$697FlexibilityNo cancel feeOn-time70%
FinnairCheapest$470Average$658FlexibilityNo cancel feeOn-time76%
SWISSCheapest$477Average$714FlexibilityNo cancel feeOn-time79%
DeltaCheapest$481Average$751FlexibilityNo cancel feeOn-timeN/A

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