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Interlaken

$232+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ZRH
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Interlaken are usually found in November or January, booked 56 days in advance, depart on a Sunday or Thursday and return on a Wednesday

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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$529
(Gotogate)

One-way from

$232
(oojo)

Popular in

June

Cheapest in

November

Average price

$626
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. 17% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 30, 2025.

This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/253:45 pmSEA - ZRH
1 stop12h 20mIcelandair
Sun 8/314:55 pmZRH - SEA
1 stop33h 55mIcelandair
Deal found 4/28$529
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:20 pmSEA - ZRH
2 stops54h 30mAir Canada
Tue 12/91:20 pmZRH - SEA
1 stop17h 36mAir Canada
Deal found 4/28$538
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:50 pmSEA - ZRH
1 stop24h 05mUnited Airlines
Thu 11/131:20 pmZRH - SEA
1 stop17h 36mUnited Airlines
Deal found 4/29$539
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:15 pmSEA - ZRH
2 stops29h 55mMultiple Airlines
Fri 8/221:10 pmZRH - SEA
1 stop17h 07mMultiple Airlines
Deal found 4/28$544
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:05 pmSEA - ZRH
1 stop13h 35mCondor
Thu 5/88:00 amZRH - SEA
1 stop16h 05mCondor
Deal found 4/28$558
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:40 amSEA - ZRH
2 stops18h 50mBritish Airways
Wed 8/207:15 amZRH - SEA
1 stop20h 05mBritish Airways
Deal found 4/28$564
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:00 pmSEA - ZRH
1 stop32h 40mScandinavian Airlines
Sun 8/317:40 pmZRH - SEA
2 stops27h 10mScandinavian Airlines
Deal found 4/28$573
This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:25 pmSEA - ZRH
Nonstop10h 20mSWISS
Thu 9/41:25 pmZRH - SEA
1 stop14h 11mSWISS
Deal found 4/28$576
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:55 amSEA - ZRH
2 stops19h 30mDelta
Fri 8/227:00 amZRH - SEA
2 stops18h 54mDelta
Deal found 4/28$585
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:50 pmSEA - ZRH
1 stop12h 20mLufthansa
Thu 9/256:55 amZRH - SEA
2 stops16h 21mLufthansa
Deal found 4/28$609
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/101:30 pmSEA - ZRH
1 stop22h 20mAmerican Airlines
Sun 8/247:45 amZRH - SEA
2 stops20h 48mAmerican Airlines
Deal found 4/28$617

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 April 30, 2025.
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

Mon 8/25

3:45 pm-1:05 pm

1 stop12h 20m

Zurich

Sun 8/31

4:55 pm-5:50 pm

1 stop33h 55m

$529

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sun 8/17

5:35 am-10:40 am

2 stops20h 05m

Zurich

Tue 8/26

9:25 am-10:20 pm

1 stop21h 55m

$538

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 8/11

12:20 am-6:10 am

1 stop20h 50m

Zurich

Wed 8/20

1:05 pm-10:15 pm

1 stop18h 10m

$542

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sun 8/17

5:35 am-10:40 am

2 stops20h 05m

Zurich

Tue 8/26

7:25 am-8:41 pm

2 stops22h 16m

$555

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sun 8/17

6:05 am-10:25 am

2 stops19h 20m

Zurich

Tue 8/26

1:35 pm-10:53 pm

1 stop18h 18m

$561

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Tue 8/12

10:40 am-2:30 pm

2 stops18h 50m

Zurich

Wed 8/20

7:15 am-6:20 pm

1 stop20h 05m

$564

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Wed 10/1

5:05 pm-3:40 pm

1 stop13h 35m

Zurich

Wed 10/22

8:00 am-3:05 pm

1 stop16h 05m

$570

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 8/25

4:00 pm-9:40 am

1 stop32h 40m

Zurich

Sun 8/31

7:40 pm-1:50 pm

2 stops27h 10m

$573

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Mon 8/25

4:25 pm-11:45 am

Nonstop10h 20m

Zurich

Thu 9/4

1:25 pm-6:36 pm

1 stop14h 11m

$576

SeattleZurich

SEA - ZRH

SEAZRH

Seattle/Tacoma Intl

Sun 9/7

6:50 pm-4:10 pm

1 stop12h 20m

Zurich

Thu 9/25

6:55 am-2:16 pm

2 stops16h 21m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 24 results
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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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Interlaken, you should look to book at least 56 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, November is the cheapest month in which you can book a flight from Seattle to Interlaken (average of $637). Flying from Seattle to Interlaken in June is currently the most expensive (average of $1,234). 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.

What is the cheapest time of day to fly from SEA to IN9?

Find hourly flight availability from Seattle to Interlaken. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

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.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Interlaken. Price data was last updated on April 14, 2024.

Travelers seeking maximum savings on their Seattle to Interlaken flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Interlaken by month

Plan your trip to Interlaken by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Interlaken ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Interlaken when rainfall is around 2.5 in.

Temperature in Interlaken by month

Plan your trip to Interlaken by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Interlaken, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 30, 2025.
Peruse reviews from past customers who have flown with Delta, SWISS and United Airlines 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
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,349 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $232 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and Lufthansa, with prices starting from $335 and $366, respectively.

  • What are the cheapest flights from Seattle to Interlaken?

    On average you can expect to pay $1,980 for a flight from Seattle to Interlaken. The cheapest flight overall is $430 while the most popular route, (Seattle/Tacoma Intl - Zurich) is currently priced at $451.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Interlaken (average of $637). Flying from Seattle to Interlaken in June is currently the most expensive (average of $1,234). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$407Average$657FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$443Average$667FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$467Average$623FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$491Average$774FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$502Average$816FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$513Average$725FlexibilityNo cancel feeOn-time69%
DeltaCheapest$513Average$787FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$555Average$799FlexibilityNo cancel feeOn-time75%
FinnairCheapest$559Average$699FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$560Average$743FlexibilityNo cancel feeOn-time67%

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