HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Interlaken

Cheap flights from Seattle (SEA) to Interlaken, Switzerland

SEA — ZRH
Nov 13 — Nov 201
Fri 11/13
Fri 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Interlaken with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Seattle to Interlaken

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$692
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
Highest demand for flights based on searches. 19% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Reviews of airlines servicing Interlaken

Peruse reviews from past customers who have flown with SWISS,Scandinavian Airlines, andIcelandair 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.
SWISS
7.5
Good
2,104 reviews

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

BOS - ZRH

Luggage rerouted, we has to go back to Palermo airport to pick it up next day as delivery was not available.
SWISS
7.5
Good
2,104 reviews
SWISS
7.5
Good
2,104 reviews

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

BOS - ZRH

Luggage rerouted, we has to go back to Palermo airport to pick it up next day as delivery was not available.
Scandinavian Airlines
7.4
Good
2,018 reviews
SWISS
7.5
Good
2,104 reviews

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

BOS - ZRH

Luggage rerouted, we has to go back to Palermo airport to pick it up next day as delivery was not available.
Icelandair
6.9
Okay
758 reviews
SWISS
7.5
Good
2,104 reviews

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

BOS - ZRH

Luggage rerouted, we has to go back to Palermo airport to pick it up next day as delivery was not available.
Condor
6.7
Okay
613 reviews
SWISS
7.5
Good
2,104 reviews

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

BOS - ZRH

Luggage rerouted, we has to go back to Palermo airport to pick it up next day as delivery was not available.
British Airways
6.7
Okay
8,261 reviews
SWISS
7.5
Good
2,104 reviews

Entertainment

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Crew

8.3

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2026

BOS - ZRH

Luggage rerouted, we has to go back to Palermo airport to pick it up next day as delivery was not available.

Related info for your journey

  • 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 12 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.

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

    $262 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Scandinavian Airlines and Lufthansa, with prices starting from $284 and $371, respectively.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Interlaken

Seattle to Zurich flights
Seattle to Geneva flights
Portland to Geneva flights
Spokane to Zurich flights

Top 10 airlines flying from Seattle to Interlaken

AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$319Average$1,053FlexibilityNo cancel feeOn-time79%
IcelandairCheapest$390Average$788FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$457Average$736FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$474Average$630FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$479Average$798FlexibilityNo cancel feeOn-time70%
DeltaCheapest$481Average$914FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$500Average$741FlexibilityNo cancel feeOn-time76%
KLMCheapest$501Average$1,004FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$503Average$777FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$506Average$847FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.