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Interlaken

$335+ Cheap flights from Portland (PDX) 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ZRH
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Interlaken are usually found in November or October, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 30, 2025.

Round-trip from

$410
(oojo)

One-way from

$335
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,129
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. 15% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 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 30, 2025.

This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:45 pmPDX - ZRH
1 stop12h 20mIcelandair
Sun 11/231:00 pmZRH - PDX
1 stop13h 00mIcelandair
Deal found 7/28$388
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:37 amPDX - ZRH
1 stop17h 43mUnited Airlines
Mon 8/259:25 amZRH - PDX
1 stop18h 06mUnited Airlines
Deal found 7/28$454
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:22 pmPDX - ZRH
2 stops17h 38mAmerican Airlines
Tue 8/2611:45 amZRH - PDX
1 stop19h 19mAmerican Airlines
Deal found 7/29$457
This FlightHub deal was found by Cheapflights users on 7/28. 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.
Tue 9/910:00 amPDX - ZRH
1 stop16h 25mAir Canada
Wed 9/171:25 pmZRH - PDX
1 stop18h 36mAir Canada
Deal found 7/28$469
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amPDX - ZRH
2 stops17h 50mDelta
Wed 11/261:30 pmZRH - PDX
1 stop18h 59mDelta
Deal found 7/29$473
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:00 amPDX - ZRH
2 stops16h 50mMultiple Airlines
Tue 9/211:45 amZRH - PDX
1 stop19h 19mMultiple Airlines
Deal found 7/29$489
This Finnair deal was found by Cheapflights users on 7/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:00 amPDX - ZRH
2 stops24h 20mFinnair
Thu 9/187:05 pmZRH - PDX
2 stops32h 49mFinnair
Deal found 7/28$500
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:39 amPDX - ZRH
2 stops17h 51mKLM
Wed 11/56:50 amZRH - PDX
1 stop13h 35mKLM
Deal found 7/30$507
This SWISS deal was found by Cheapflights users on 7/28. 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.
Fri 9/58:30 amPDX - ZRH
1 stop17h 20mSWISS
Wed 9/101:25 pmZRH - PDX
1 stop14h 21mSWISS
Deal found 7/28$524

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 30, 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

PDX - ZRH

PDXZRH

Portland

Fri 8/15

3:20 pm-1:05 pm

1 stop12h 45m

Zurich

Fri 8/22

2:00 pm-5:55 pm

1 stop12h 55m

$410

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/18

7:37 am-10:20 am

1 stop17h 43m

Zurich

Mon 8/25

9:25 am-6:31 pm

1 stop18h 06m

$454

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/11

3:22 pm-6:00 pm

2 stops17h 38m

Zurich

Tue 8/26

11:45 am-10:04 pm

1 stop19h 19m

$457

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Tue 9/9

6:15 am-11:25 am

1 stop20h 10m

Zurich

Fri 9/19

1:25 pm-6:46 pm

1 stop14h 21m

$469

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sun 8/17

11:14 am-10:25 am

2 stops14h 11m

Zurich

Tue 8/26

10:10 am-7:03 pm

1 stop17h 53m

$473

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sun 9/7

6:15 am-10:40 am

2 stops19h 25m

Zurich

Thu 9/18

1:25 pm-9:21 am

1 stop28h 56m

$494

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Wed 9/10

9:00 am-6:20 pm

2 stops24h 20m

Zurich

Thu 9/18

7:05 pm-6:54 pm

2 stops32h 49m

$500

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Tue 10/28

11:39 am-1:30 pm

2 stops17h 51m

Zurich

Wed 11/5

6:50 am-11:25 am

1 stop13h 35m

$507

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Fri 9/5

8:30 am-10:50 am

1 stop17h 20m

Zurich

Wed 9/10

1:25 pm-6:46 pm

1 stop14h 21m

$524

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Tue 8/19

3:44 pm-8:05 pm

2 stops19h 21m

Zurich

Tue 9/2

7:15 am-9:01 pm

2 stops22h 46m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 15 results
1
2

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

How far ahead should I book a flight from Portland to Interlaken?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Interlaken. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Interlaken, you should look to book at least 90 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 Portland to Interlaken?

Currently, November is the cheapest month in which you can book a flight from Portland to Interlaken (average of $637). Flying from Portland to Interlaken in June is currently the most expensive (average of $1,152). 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 PDX to IN9?

Find hourly flight availability from Portland 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Interlaken as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Portland to Interlaken. Price data was last updated on December 16, 2024.

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

How much does it cost to fly round-trip from Portland 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 July 30, 2025.
See what other customers who have flown with Delta, KLM, and Finnair from Portland to Interlaken have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Portland (PDX) is the airport you will fly out of if you book a flight from Portland to Interlaken. You should not have trouble finding flights to Interlaken from Portland; the airport handles an average of 0 outbound flights to Interlaken per day. You should also have plenty of airline options to choose from since 10 airlines have flights from the Portland airport to Interlaken. It is only a 6.0 mi journey to Portland (PDX) from Portland’s city center.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $374. Users have also found prices from $379 and $398 on United Airlines and Delta, respectively.

  • 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 to Interlaken?

    Currently, November is the cheapest month in which you can book a flight from Portland to Interlaken (average of $637). Flying from Portland to Interlaken in June is currently the most expensive (average of $1,152). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Portland to Interlaken

Discover the top 10 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$425Average$852FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$528Average$818FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$538Average$1,074FlexibilityNo cancel feeOn-time70%
CondorCheapest$560Average$803FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$563Average$831FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$585Average$904FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$593Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$598Average$1,089FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$600Average$956FlexibilityNo cancel feeOn-time75%
SWISSCheapest$874Average$1,098FlexibilityNo cancel feeOn-time79%

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