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Interlaken

$349+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ZRH
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Interlaken are usually found in April or October, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 October 22, 2025.

This Mytrip deal was found by Cheapflights users on 10/20. 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 11/179:50 amPDX - ZRH
2 stops35h 25mAir Canada
Mon 11/2412:40 pmZRH - PDX
2 stops29h 35mAir Canada
Deal found 10/20$457
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:15 pmPDX - ZRH
2 stops16h 30mMultiple Airlines
Wed 12/37:05 amZRH - PDX
2 stops20h 25mMultiple Airlines
Deal found 10/22$468
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amPDX - ZRH
2 stops16h 15mMultiple Airlines
Wed 12/36:45 amZRH - PDX
2 stops21h 25mMultiple Airlines
Deal found 10/22$478
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Thu 12/43:15 pmPDX - ZRH
2 stops16h 30mMultiple Airlines
Thu 12/117:05 amZRH - PDX
2 stops20h 25mMultiple Airlines
Deal found 10/20$479
This Delta deal was found by Cheapflights users on 10/21. 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 11/197:05 amPDX - ZRH
1 stop18h 25mDelta
Wed 12/310:45 amZRH - PDX
2 stops20h 34mDelta
Deal found 10/21$485
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/175:45 pmPDX - ZRH
1 stop12h 45mAmerican Airlines
Mon 11/2410:15 amZRH - PDX
2 stops22h 11mAmerican Airlines
Deal found 10/20$494
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:15 pmPDX - ZRH
2 stops16h 30mUnited Airlines
Wed 12/39:40 amZRH - PDX
1 stop18h 05mUnited Airlines
Deal found 10/22$497
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/198:20 amPDX - ZRH
1 stop14h 20mUnited Airlines
Wed 12/31:15 pmZRH - PDX
1 stop20h 22mUnited Airlines
Deal found 10/21$504
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/43:15 pmPDX - ZRH
2 stops16h 30mUnited Airlines
Thu 12/119:40 amZRH - PDX
1 stop18h 05mUnited Airlines
Deal found 10/20$521
This Finnair deal was found by Cheapflights users on 10/19. 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 12/295:33 amPDX - ZRH
2 stops27h 47mMultiple Airlines
Sun 1/1110:35 amZRH - PDX
2 stops21h 03mMultiple Airlines
Deal found 10/19$525
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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.
Mon 12/295:45 pmPDX - ZRH
1 stop19h 15mBritish Airways
Sun 1/1111:15 amZRH - PDX
1 stop13h 40mBritish Airways
Deal found 10/19$556

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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$455
(American Airlines)

One-way from

$349
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$661
Provider with most accurate pricing for Portland-Zurich flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Zurich flights.
Search Deals
From Portland to Interlaken
Search Deals
One-way flight from Portland to Interlaken
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 22, 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

Mon 11/17

7:05 am-10:30 am

1 stop18h 25m

Zurich

Mon 11/24

6:50 am-11:25 am

1 stop13h 35m

$504

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Wed 11/19

8:20 am-7:40 am

1 stop14h 20m

Zurich

Wed 12/3

9:40 am-10:15 pm

1 stop21h 35m

$504

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Thu 12/4

3:15 pm-4:45 pm

2 stops16h 30m

Zurich

Thu 12/11

9:40 am-6:45 pm

1 stop18h 05m

$521

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 1/19

1:00 pm-7:40 pm

2 stops21h 40m

Zurich

Fri 1/23

10:25 am-10:22 pm

2 stops20h 57m

$524

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Mon 12/29

5:33 am-6:20 pm

2 stops27h 47m

Zurich

Sun 1/11

10:35 am-10:38 pm

2 stops21h 03m

$525

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Wed 3/4

7:00 am-10:30 am

1 stop18h 30m

Zurich

Wed 3/18

6:50 am-11:54 pm

2 stops25h 04m

$539

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Fri 3/6

1:35 pm-3:30 pm

1 stop16h 55m

Zurich

Tue 3/10

1:10 pm-10:16 pm

1 stop17h 06m

$554

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Wed 3/4

3:50 pm-3:30 pm

1 stop14h 40m

Zurich

Wed 3/11

9:40 am-7:00 pm

1 stop17h 20m

$554

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Thu 3/5

7:00 am-10:30 am

1 stop18h 30m

Zurich

Thu 3/19

2:15 pm-12:25 pm

1 stop30h 10m

$579

PortlandZurich

PDX - ZRH

PDXZRH

Portland

Fri 3/6

5:45 pm-3:45 pm

1 stop13h 00m

Zurich

Tue 3/10

3:00 pm-4:55 pm

1 stop33h 55m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 20 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 October 17, 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, May is the cheapest month in which you can book a flight from Portland to Interlaken (average of $250). Flying from Portland to Interlaken in June is currently the most expensive (average of $894). 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 October 22, 2025.

It’s typically best to fly out from Portland to Interlaken at noon. Doing so could potentially save you 16% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 Sunday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 22, 2025.
See what other customers who have flown with Delta, KLM, and United Airlines 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
7.9
Good
7,981 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,981 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,990 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Icelandair
7.1
Good
561 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,467 reviews
Delta
7.9
Good
7,981 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 9 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.

  • How long is the flight from Portland to Interlaken?

    Delta, United Airlines, and Scandinavian Airlines can get you from Portland to Interlaken in just under 14h 20m. Your travel time can differ by up to 7h 20m. The distance from Portland to Interlaken is about 5357 mi. This flight may include one or multiple stops.

  • 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, May is the cheapest month in which you can book a flight from Portland to Interlaken (average of $250). Flying from Portland to Interlaken in June is currently the most expensive (average of $894). 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 9 airlines flying from Portland to Interlaken

Discover the top 9 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$413Average$770FlexibilityNo cancel feeOn-time76%
DeltaCheapest$510Average$1,081FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$523Average$747FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$538Average$919FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$538Average$809FlexibilityNo cancel feeOn-time69%
KLMCheapest$558Average$919FlexibilityNo cancel feeOn-time75%
CondorCheapest$560Average$848FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$565Average$849FlexibilityNo cancel feeOn-time67%
SWISSCheapest$677Average$1,026FlexibilityNo cancel feeOn-time79%

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