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Interlaken

$421+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ZRH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Interlaken are usually found in November or October, booked 65 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 June 12, 2025.

Round-trip from

$594
(oojo)

One-way from

$421
(Delta)

Popular in

June

Cheapest in

November

Average price

$1,297
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 ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/12. 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.
Fri 8/223:20 pmPDX - ZRH
1 stop12h 45mIcelandair
Sat 9/132:00 pmZRH - PDX
1 stop12h 55mIcelandair
Deal found 6/12$594
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/911:59 pmPDX - ZRH
1 stop21h 11mUnited Airlines
Thu 8/211:35 pmZRH - PDX
1 stop18h 02mUnited Airlines
Deal found 6/12$602
This Orbitz deal was found by Cheapflights users on 6/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:35 pmPDX - ZRH
1 stop12h 10mCondor
Tue 9/28:00 amZRH - PDX
1 stop14h 35mCondor
Deal found 6/10$610
This United deal was found by Cheapflights users on 6/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:59 pmPDX - ZRH
1 stop21h 11mMultiple Airlines
Mon 8/188:00 pmZRH - PDX
2 stops31h 46mMultiple Airlines
Deal found 6/10$622
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/221:36 pmPDX - ZRH
2 stops21h 09mScandinavian Airlines
Sat 8/3010:20 amZRH - PDX
2 stops19h 16mScandinavian Airlines
Deal found 6/12$625
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:41 amPDX - ZRH
2 stops26h 49mBritish Airways
Mon 8/189:45 pmZRH - PDX
2 stops28h 03mBritish Airways
Deal found 6/11$634
This Finnair deal was found by Cheapflights users on 6/11. 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.
Mon 8/181:20 pmPDX - ZRH
2 stops20h 00mFinnair
Mon 8/257:05 pmZRH - PDX
2 stops32h 47mFinnair
Deal found 6/11$637
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/187:25 pmPDX - ZRH
1 stop18h 05mAmerican Airlines
Mon 8/2511:45 amZRH - PDX
1 stop19h 19mAmerican Airlines
Deal found 6/12$651
This Air Canada deal was found by Cheapflights users on 6/12. 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 9/137:40 pmPDX - ZRH
2 stops30h 00mAir Canada
Fri 9/2612:40 pmZRH - PDX
2 stops32h 01mAir Canada
Deal found 6/12$654
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 9/1312:15 pmPDX - ZRH
1 stop37h 20mDelta
Wed 9/241:35 pmZRH - PDX
1 stop18h 54mDelta
Deal found 6/12$688
This Lufthansa deal was found by Cheapflights users on 6/12. 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.
Thu 9/113:25 pmPDX - ZRH
2 stops37h 40mLufthansa
Wed 9/246:55 amZRH - PDX
2 stops20h 51mLufthansa
Deal found 6/12$754
This KLM deal was found by Cheapflights users on 6/10. 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.
Sun 9/2112:55 pmPDX - ZRH
1 stop20h 45mKLM
Sat 9/275:35 pmZRH - PDX
1 stop26h 25mKLM
Deal found 6/10$905

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 June 12, 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 8/22

3:20 pm-1:05 pm

1 stop12h 45m

Zurich

Sat 9/13

2:00 pm-5:55 pm

1 stop12h 55m

$594

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sat 8/9

11:59 pm-6:10 am

1 stop21h 11m

Zurich

Thu 8/21

1:35 pm-10:37 pm

1 stop18h 02m

$602

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sun 8/24

6:35 pm-3:45 pm

1 stop12h 10m

Zurich

Tue 9/2

8:00 am-1:35 pm

1 stop14h 35m

$610

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/4

11:59 pm-6:10 am

1 stop21h 11m

Zurich

Mon 8/18

8:00 pm-6:46 pm

2 stops31h 46m

$622

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Fri 8/22

1:36 pm-7:45 pm

2 stops21h 09m

Zurich

Sat 8/30

10:20 am-8:36 pm

2 stops19h 16m

$625

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/4

10:41 am-10:30 pm

2 stops26h 49m

Zurich

Mon 8/18

9:45 pm-4:48 pm

2 stops28h 03m

$634

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/18

1:20 pm-6:20 pm

2 stops20h 00m

Zurich

Mon 8/25

7:05 pm-6:52 pm

2 stops32h 47m

$637

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/18

7:25 pm-10:30 pm

1 stop18h 05m

Zurich

Mon 8/25

11:45 am-10:04 pm

1 stop19h 19m

$651

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/18

11:59 pm-6:30 am

2 stops21h 31m

Zurich

Thu 8/28

1:25 pm-6:46 pm

1 stop14h 21m

$678

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sat 8/9

6:59 am-10:25 am

2 stops18h 26m

Zurich

Thu 8/21

7:45 am-4:10 pm

2 stops17h 25m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 21 results
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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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Interlaken, you should look to book at least 65 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 $1,182). 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 June 12, 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.

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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Portland to Interlaken. 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
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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 Delta. According to our data, you can fly for as low as $421. Users have also found prices from $635 and $963 on United Airlines and SWISS, 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 $1,182). 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$480Average$816FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$528Average$818FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$552Average$1,019FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$563Average$851FlexibilityNo cancel feeOn-time69%
CondorCheapest$580Average$853FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$593Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$614Average$1,009FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$617Average$915FlexibilityNo cancel feeOn-time67%
KLMCheapest$649Average$996FlexibilityNo cancel feeOn-time75%
SWISSCheapest$874Average$1,098FlexibilityNo cancel feeOn-time79%

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