Cheap flights from Seattle (SEA) to Interlaken

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The best prices from Seattle/Tacoma Intl to Interlaken are usually found in November or March, booked 26 days in advance, depart on a Tuesday or Monday and return on a Wednesday

How to find the cheapest flight from
Seattle (SEA) to Interlaken

All the information you need to plan the best SEA to ZRH flight in 2022: compare Seattle to Interlaken flight prices with the expected peak season, weather and rainfall in Interlaken.
SEA - IN9
Price
$566 - $1,218
IN9
Temperature
30.2 - 62.6 °F
IN9
Rainfall
3 - 5.7 inches

Popular in

June

High demand for flights, 33% potential price rise

Cheapest in

November

Best time to find cheap flights, 30% potential price drop

Round-trip from

$566

From Seattle/Tacoma Intl to Interlaken

One-way from

$454

One-way flight from Seattle/Tacoma Intl to Interlaken

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to Interlaken?

Travelers have found it’s best to book a flight 27 days in advance to save up to 34% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 27 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Interlaken 1-2 weeks in advance for as low as $877, or $1,103 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Interlaken?

Our data shows that November tends to be the cheapest month to fly to Interlaken from Seattle. Users have commonly found prices around $813 for the month, but tickets can be as low as $420. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Seattle to Interlaken (SEA - IN9)?

When flying from Seattle to Interlaken, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Seattle to Interlaken in August, September 2022

The best prices found for SEA to Interlaken flights for August, September
27 Sep - 7 Oct
$748pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
26 Sep - 18 Oct
$759pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
20 Sep - 4 Oct
$768pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Interlaken 2022 flight deals

Cheap flights to Interlaken from Seattle found for this year
16 Nov - 23 Nov
$662pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
24 Oct - 3 Nov
$678pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
24 Oct - 3 Nov
$679pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Cheap Aer Lingus flights from Seattle to Interlaken

6 Oct - 27 Oct
$695pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl
20 Oct - 28 Oct
$701pp
SEA
Seattle/Tacoma Intl
Aer Lingus
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Aer Lingus
 
1 STOP
SEA
Seattle/Tacoma Intl

Cheap American Airlines flights from Seattle to Interlaken

24 Jan - 31 Jan
$720pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
ZRH
Zurich
ZRH
Zurich
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
15 Nov - 22 Nov
$721pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
ZRH
Zurich
ZRH
Zurich
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
24 Oct - 3 Nov
$729pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ZRH
Zurich
ZRH
Zurich
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Interlaken

Late deals on round-trip flights to Interlaken from Seattle, departing today and this week
11 Aug - 21 Aug
$1,076pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
ZRH
Zurich
ZRH
Zurich
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
11 Aug - 21 Aug
$1,168pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
9 Aug - 16 Aug
$1,185pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
ZRH
Zurich
ZRH
Zurich
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Interlaken from Seattle

The cheapest one-way flights from Seattle to Interlaken
6:20 am - 6:20 am
Multiple Airlines
3 Stops
39h 00m
SEA - ZRH
Multiple Airlines
$454
Kiwi.com
1:45 pm - 6:10 pm
Turkish Airlines
1 Stop
19h 25m
SEA - ZRH
Turkish Airlines
$458
Kiwi.com
11:50 am - 9:05 am
Icelandair
1 Stop
12h 15m
SEA - ZRH
Icelandair
$461
oojo

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Interlaken</span> flights.

Flight FAQs

From Seattle to Interlaken

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 16 different airlines.

Which airlines flying from Seattle/Tacoma Intl to Interlaken have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Seattle/Tacoma Intl to Interlaken that may be offering flexible cancellation policies are Icelandair, Delta, and SWISS. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Seattle to Interlaken for under $700 on Cheapflights?

Yes, there are multiple flights from Seattle to Interlaken for under $700. The cheapest flight booked recently is on Icelandair for just $658, but on average you can expect to pay $702.

Are there last-minute flights available from Seattle to Interlaken for under $1,100?

There are currently 20+ open flights from Seattle to Interlaken within the next 7 days for less than $1,100.

How popular is this Seattle to Interlaken flight route?

Flights from Seattle/Tacoma Intl to Interlaken have been viewed 14 times in the past calendar month.

What are the most popular airlines that fly from Seattle to Interlaken?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Seattle to Interlaken.

What are the cheapest flights from Seattle to Interlaken?

On average you can expect to pay $4,241 for a flight from Seattle to Interlaken. The cheapest flight overall is $413 while the most popular route, (Seattle/Tacoma Intl - Zurich) is currently priced at $658.

COVID Restrictions

View COVID Travel Restrictions for Interlaken

Do I need a COVID test to fly to Interlaken from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Interlaken

Most visitors from Seattle/Tacoma Intl can enter Interlaken without restrictions.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Interlaken.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Interlaken.

Do I need a test to fly back to Seattle from Interlaken?

Returning to Seattle/Tacoma Intl from Interlaken

COVID-19 testing requirements
Visitors from Interlaken are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Interlaken are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Interlaken

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/Tacoma Intl to Interlaken

The chart below displays the airlines Cheapflights users traveling from Seattle to Interlaken choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$9 $20 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

British Airways
$371 $928 No cancel fee 70%
KLM
$409 $865 No cancel fee 75%
American Airlines
$424 $1,168 No cancel fee 71%
Air France
$427 $972 No cancel fee 77%
Air Canada
$440 $1,080 No cancel fee 67%
SWISS
$455 $821 No cancel fee 79%
United Airlines
$466 $864 No cancel fee 69%
Lufthansa
$488 $1,012 No cancel fee 76%
Icelandair
$489 $1,031 No cancel fee 76%
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