Interlaken

$235+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ZRH
Apr 2 — Apr 91
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Interlaken are usually found in October or November, booked 20 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 March 3, 2026.

This oojo deal was found by Cheapflights users on 2/26. 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 4/237:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Sun 4/262:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 2/26$413
This Mytrip deal was found by Cheapflights users on 3/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Tue 4/282:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 3/1$427
This Rumbo deal was found by Cheapflights users on 3/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Sun 4/262:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 3/2$432
This oojo deal was found by Cheapflights users on 2/28. 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 4/147:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Tue 4/212:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 2/28$433
This oojo deal was found by Cheapflights users on 2/28. 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.
Wed 4/223:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
Sun 5/32:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 2/28$440
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/127:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Thu 4/302:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 2/27$441
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/127:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Sat 5/22:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 2/27$449
This oojo deal was found by Cheapflights users on 2/26. 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.
Mon 5/113:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
Mon 5/182:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 2/26$457
This Gotogate deal was found by Cheapflights users on 2/27. 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.
Sun 9/203:55 pm
SEA
-
ZRH
2 stops59h 15m
Scandinavian Airlines
Sat 9/266:25 pm
ZRH
-
SEA
2 stops28h 20m
Scandinavian Airlines
Deal found 2/27$465
This oojo deal was found by Cheapflights users on 2/26. 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 4/307:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
Tue 5/122:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 2/26$467

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 March 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$413
(oojo)

One-way from

$235
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$569
Provider with most accurate pricing for Seattle/Tacoma Intl-Zurich flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Zurich flights.
From Seattle/Tacoma Intl to Interlaken
One-way flight from Seattle/Tacoma Intl to Interlaken
Highest demand for flights based on searches. 16% potential increase in price ($122 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 3, 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

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 4/29

5:35 am-1:40 pm

2 stops23h 05m

Zurich

Sat 5/9

11:50 am-4:30 pm

1 stop13h 40m

$584

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Thu 4/30

7:15 am-11:05 am

2 stops18h 50m

Zurich

Tue 5/12

7:00 am-4:53 pm

2 stops18h 53m

$595

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 4/13

7:15 am-11:05 am

2 stops18h 50m

Zurich

Mon 4/20

9:20 am-8:43 pm

2 stops20h 23m

$595

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Tue 8/11

3:55 pm-7:40 pm

1 stop18h 45m

Zurich

Fri 8/21

12:40 pm-1:45 pm

2 stops34h 05m

$604

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 4/1

7:15 am-11:05 am

2 stops18h 50m

Zurich

Wed 4/8

11:50 am-12:03 am

2 stops21h 13m

$605

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Thu 4/30

7:15 am-11:05 am

2 stops18h 50m

Zurich

Sun 5/10

1:35 pm-10:45 pm

1 stop18h 10m

$636

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 3/25

7:20 am-10:30 am

1 stop19h 10m

Zurich

Wed 4/1

11:50 am-10:10 pm

2 stops19h 20m

$665

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sat 5/9

7:35 am-11:05 am

2 stops18h 30m

Zurich

Sat 5/16

1:35 pm-10:24 pm

1 stop17h 49m

$676

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Thu 4/23

11:16 am-3:00 pm

2 stops18h 44m

Zurich

Sun 4/26

6:20 pm-11:35 am

1 stop26h 15m

$785

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Thu 4/23

7:15 am-11:05 am

2 stops18h 50m

Zurich

Sun 4/26

7:00 am-5:50 pm

2 stops19h 50m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 20 resultsSorted by cheapest first
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 February 27, 2026.

To ensure you get the cheapest price possible for a flight from Seattle to Interlaken, you should look to book at least 20 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 $373). Flying from Seattle to Interlaken in June is currently the most expensive (average of $569). 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 March 3, 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.

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

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.

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Food

7.2

Overall

7.9

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?

  • How long is the flight from Seattle to Interlaken?

    There are many flights that can get you from Seattle to Interlaken in 18h 45m. Fly via Delta or Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 5241 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $188 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 $781 for a flight from Seattle to Interlaken. The cheapest flight overall is $338 while the most popular route, (Seattle/Tacoma Intl - Zurich) is currently priced at $427.

  • 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 $373). Flying from Seattle to Interlaken in June is currently the most expensive (average of $569). 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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Alternative routes for Seattle to Interlaken

See prices for flight routes from nearby airports that may be better suited for you.

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 March 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$384Average$580FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$388Average$511FlexibilityNo cancel feeOn-time76%
CondorCheapest$400Average$670FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$452Average$867FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$455Average$680FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$467Average$699FlexibilityNo cancel feeOn-time70%
SWISSCheapest$470Average$716FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$483Average$711FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$499Average$643FlexibilityNo cancel feeOn-time77%
KLMCheapest$501Average$818FlexibilityNo cancel feeOn-time75%

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