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Interlaken

$459+ Cheap flights from Portland, ME (PWM) 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ZRH
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheap flight deals from Portland to Interlaken

Keep the following information in mind while searching for Portland to Interlaken flight deals. Data was last updated July 1, 2025.

Round-trip from

$663
(United Airlines)

One-way from

$459
(Priceline)

Popular in

June

Cheapest in

March

Average price

$1,187
From Portland to Interlaken
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One-way flight from Portland to Interlaken
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Highest demand for flights based on searches. 14% potential increase in price ($175 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Portland to Interlaken

Cheapest flights from Portland to Interlaken
Explore the most affordable flight options available from Portland to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This United Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 8/1410:48 amPWM - ZRH
2 stops13h 32mUnited Airlines
Thu 8/219:50 amZRH - PWM
1 stop34h 36mUnited Airlines
Deal found 6/30$663

Cheapflights Fare Finder

Customize your flight search to find flights from Portland 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 July 1, 2025.
Use the filters below to find and compare flights from Portland to Interlaken that are best for you.

Fly from

Portland

Fly to

Interlaken

Route

Depart

Return

Price

PortlandZurich

PWM - ZRH

PWMZRH

Portland

Thu 8/14

10:48 am-6:20 am

2 stops13h 32m

Zurich

Thu 8/21

9:50 am-2:26 pm

1 stop34h 36m

$663

PortlandZurich

PWM - ZRH

PWMZRH

Portland

Thu 7/31

2:19 pm-10:30 pm

2 stops26h 11m

$459

PortlandZurich

PWM - ZRH

PWMZRH

Portland

Thu 7/31

5:55 am-8:50 am

1 stop20h 55m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Portland to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Portland 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 Portland to Interlaken

What is the cheapest month to book a flight from Portland, Maine to Interlaken?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Interlaken (average of $637). Flying from Portland, Maine to Interlaken in June is currently the most expensive (average of $1,158). 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 July 1, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and TAP AIR PORTUGAL from Portland to Interlaken by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,858 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,912 reviews
United Airlines
7.4
Good
8,858 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Portland 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 Portland to Interlaken?

    Most people fly from Portland (PWM) if they book a flight from Portland to Interlaken. On average, Portland has 0 outbound flights to Interlaken per day from 2 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • Can I find deals for flights from Portland to Interlaken that include hotel bookings?

    Yes. In addition to deals on Portland to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Interlaken?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Interlaken.

  • Can I find deals for business class flights from Portland to Interlaken?

    Yes. Cheapflights offers flight deals from Portland 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 Portland, Maine to Interlaken?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Interlaken (average of $637). Flying from Portland, Maine to Interlaken in June is currently the most expensive (average of $1,158). 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 2 airlines flying from Portland to Interlaken

Discover the top 2 airlines that operate flights from Portland 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$612Average$976FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$659Average$1,144FlexibilityNo cancel feeOn-time71%

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