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Interlaken

$443+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ZRH
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$586
(Flightnetwork)

One-way from

$443
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,062
Provider with most accurate pricing for Portland-Zurich flight deals.
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Provider most trusted by Cheapflights users for Portland-Zurich flights.
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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. 17% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 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 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 April 24, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/163:30 pmPDX - ZRH
1 stop15h 10mCondor
Sun 6/18:00 amZRH - PDX
1 stop17h 35mCondor
Deal found 4/23$586
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:00 amPDX - ZRH
2 stops24h 45mScandinavian Airlines
Wed 10/810:20 amZRH - PDX
2 stops21h 00mScandinavian Airlines
Deal found 4/23$627
This United Airlines deal was found by Cheapflights users on 4/24. 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 8/911:20 pmPDX - ZRH
1 stop23h 45mUnited Airlines
Thu 8/211:35 pmZRH - PDX
1 stop20h 10mUnited Airlines
Deal found 4/24$642
This oojo deal was found by Cheapflights users on 4/23. 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 8/183:20 pmPDX - ZRH
1 stop12h 45mIcelandair
Thu 8/282:00 pmZRH - PDX
1 stop12h 55mIcelandair
Deal found 4/23$651
This Expedia deal was found by Cheapflights users on 4/24. 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 10/610:50 amPDX - ZRH
2 stops19h 50mMultiple Airlines
Mon 10/208:00 amZRH - PDX
2 stops21h 38mMultiple Airlines
Deal found 4/24$660
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 8/911:40 pmPDX - ZRH
1 stop24h 10mAmerican Airlines
Thu 8/2111:45 amZRH - PDX
2 stops20h 19mAmerican Airlines
Deal found 4/23$672
This oojo deal was found by Cheapflights users on 4/23. 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.
Sat 8/911:59 pmPDX - ZRH
2 stops35h 51mBritish Airways
Thu 8/218:35 pmZRH - PDX
2 stops33h 55mBritish Airways
Deal found 4/23$676
This Finnair deal was found by Cheapflights users on 4/23. 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 8/181:15 pmPDX - ZRH
2 stops20h 05mFinnair
Mon 8/257:05 pmZRH - PDX
2 stops32h 25mFinnair
Deal found 4/23$678
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:59 pmPDX - ZRH
2 stops21h 31mAir Canada
Sun 8/241:35 pmZRH - PDX
2 stops18h 21mAir Canada
Deal found 4/23$689
This SWISS deal was found by Cheapflights users on 4/23. 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.
Wed 9/108:30 amPDX - ZRH
1 stop17h 20mSWISS
Fri 9/261:25 pmZRH - PDX
1 stop14h 21mSWISS
Deal found 4/23$717
This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 9/19:45 pmPDX - ZRH
1 stop25h 20mDelta
Sat 9/131:35 pmZRH - PDX
1 stop18h 54mDelta
Deal found 4/22$787
This KLM deal was found by Cheapflights users on 4/23. 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.
Sat 5/101:15 pmPDX - ZRH
1 stop34h 20mKLM
Fri 5/1611:50 amZRH - PDX
1 stop32h 30mKLM
Deal found 4/23$896

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 April 24, 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 5/16

3:30 pm-3:40 pm

1 stop15h 10m

Zurich

Sun 6/1

8:00 am-4:35 pm

1 stop17h 35m

$586

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Wed 9/10

10:00 am-7:45 pm

2 stops24h 45m

Zurich

Wed 10/8

10:20 am-10:20 pm

2 stops21h 00m

$627

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sat 8/9

11:20 pm-8:05 am

1 stop23h 45m

Zurich

Thu 8/21

1:35 pm-12:45 am

1 stop20h 10m

$642

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/18

3:20 pm-1:05 pm

1 stop12h 45m

Zurich

Thu 8/28

2:00 pm-5:55 pm

1 stop12h 55m

$651

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 10/6

10:50 am-3:40 pm

2 stops19h 50m

Zurich

Mon 10/20

8:00 am-8:38 pm

2 stops21h 38m

$660

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sat 8/9

11:40 pm-8:50 am

1 stop24h 10m

Zurich

Thu 8/21

11:45 am-11:04 pm

2 stops20h 19m

$672

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sat 8/9

11:59 pm-8:50 pm

2 stops35h 51m

Zurich

Thu 8/21

8:35 pm-9:30 pm

2 stops33h 55m

$676

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 8/18

1:15 pm-6:20 pm

2 stops20h 05m

Zurich

Mon 8/25

7:05 pm-6:30 pm

2 stops32h 25m

$678

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Sat 8/9

11:59 pm-6:30 am

2 stops21h 31m

Zurich

Sun 8/24

1:35 pm-10:56 pm

2 stops18h 21m

$689

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Wed 9/10

8:30 am-10:50 am

1 stop17h 20m

Zurich

Fri 9/26

1:25 pm-6:46 pm

1 stop14h 21m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 23 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 April 18, 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 $1,274). 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 April 24, 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 April 24, 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
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

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 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 11 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 Icelandair. According to our data, you can fly for as low as $443. Users have also found prices from $476 and $521 on Delta and Air Canada, 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 $1,274). 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$482Average$835FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$528Average$1,023FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$552Average$1,024FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$563Average$907FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$585Average$916FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$593Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$615Average$1,026FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$649Average$1,037FlexibilityNo cancel feeOn-time75%
CondorCheapest$681Average$895FlexibilityNo cancel feeOn-time76%
SWISSCheapest$742Average$1,081FlexibilityNo cancel feeOn-time79%

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