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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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ZRH
jul. 9 — jul. 161
jue. 7/9
jue. 7/16
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 44 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 junio 9, 2026.

This Gotogate deal was found by Cheapflights users on 6/6. 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.
dom. 10/113:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
mié. 10/212:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 6/6$558
This oojo deal was found by Cheapflights users on 6/9. 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.
mié. 9/303:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
lun. 10/52:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 6/9$562
This oojo deal was found by Cheapflights users on 6/5. 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.
sáb. 10/37:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
dom. 10/182:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 6/5$565
This oojo deal was found by Cheapflights users on 6/4. 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.
sáb. 10/37:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
sáb. 10/242:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 6/4$566
This deal was found by Cheapflights users on 6/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/303:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
mié. 10/212:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 6/8$567
This Gotogate deal was found by Cheapflights users on 6/4. 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.
mar. 9/13:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
mar. 9/222:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 6/4$568
This oojo deal was found by Cheapflights users on 6/8. 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.
lun. 9/283:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
mié. 10/142:00 pm
ZRH
-
SEA
1 stop12h 55m
Icelandair
Deal found 6/8$570
This Gotogate deal was found by Cheapflights users on 6/4. 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.
sáb. 9/57:00 pm
SEA
-
ZRH
1 stop33h 05m
Icelandair
mar. 9/152:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 6/4$572
This deal was found by Cheapflights users on 6/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/283:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
jue. 10/222:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 6/8$574
This Mytrip deal was found by Cheapflights users on 6/5. 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.
lun. 8/313:40 pm
SEA
-
ZRH
1 stop12h 25m
Icelandair
mié. 9/92:00 pm
ZRH
-
SEA
1 stop15h 40m
Icelandair
Deal found 6/5$575

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 junio 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$558
(Gotogate)

One-way from

$229
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$1,058
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. 22% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 junio 9, 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

dom. 9/13

3:55 pm-9:40 am

1 stop32h 45m

Zurich

vie. 10/2

2:55 pm-1:45 pm

1 stop31h 50m

$640

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

vie. 9/18

3:55 pm-12:10 pm

2 stops35h 15m

Zurich

vie. 10/2

2:55 pm-1:45 pm

1 stop31h 50m

$644

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

dom. 9/6

3:55 pm-2:10 pm

1 stop13h 15m

Zurich

lun. 9/14

12:55 pm-1:45 pm

2 stops33h 50m

$646

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

dom. 8/23

3:55 pm-2:10 pm

1 stop13h 15m

Zurich

jue. 9/3

12:55 pm-1:45 pm

2 stops33h 50m

$646

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

dom. 8/23

3:55 pm-12:55 pm

2 stops36h 00m

Zurich

lun. 8/31

1:40 pm-1:45 pm

2 stops33h 05m

$650
Quickest round-trip

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

mié. 9/30

7:23 am-9:40 am

2 stops17h 17m

Zurich

lun. 10/5

8:25 pm-1:45 pm

1 stop26h 20m

$696

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

jue. 9/17

7:15 am-9:40 am

2 stops41h 25m

Zurich

mar. 9/29

10:25 am-1:45 pm

1 stop12h 20m

$710

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

sáb. 9/12

3:55 pm-12:10 pm

2 stops35h 15m

Zurich

mar. 9/29

10:25 am-10:50 pm

2 stops21h 25m

$720

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

vie. 9/18

3:55 pm-12:10 pm

2 stops35h 15m

Zurich

mar. 9/29

10:25 am-10:50 pm

2 stops21h 25m

$720
Cheapest one-way

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

dom. 7/5

7:00 pm-1:05 pm

1 stop33h 05m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

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 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 junio 9, 2026.
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
1,968 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
SWISS
7.5
Good
1,968 reviews
SWISS
7.5
Good
1,968 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Scandinavian Airlines
7.4
Good
1,813 reviews
SWISS
7.5
Good
1,968 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Icelandair
7.0
Good
670 reviews
SWISS
7.5
Good
1,968 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
British Airways
6.7
Okay
8,034 reviews
SWISS
7.5
Good
1,968 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Condor
6.5
Okay
435 reviews
SWISS
7.5
Good
1,968 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

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 32h 45m. 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.

  • 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.
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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 junio 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$317Average$523FlexibilityNo cancel feeOn-time76%
SWISSCheapest$365Average$835FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$449Average$604FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$452Average$1,078FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$455Average$664FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$477Average$938FlexibilityNo cancel feeOn-time71%
CondorCheapest$500Average$749FlexibilityNo cancel feeOn-time76%
KLMCheapest$501Average$854FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$503Average$720FlexibilityNo cancel feeOn-time70%
DeltaCheapest$503Average$785FlexibilityNo cancel feeOn-timeN/A

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