What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Interlaken one-way?

$254 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on SWISS and American Airlines, with prices starting from $299 and $324, respectively.

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.

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).

What are the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Interlaken?

When booking a flight from Phoenix Sky Harbor Intl Airport to Interlaken, you may want to consider flying on American Airlines, British Airways or United Airlines as they are the most popular for this route.

What is the cheapest time of day to fly from PHX to IN9?

When flying from Phoenix Sky Harbor Intl Airport to Interlaken, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Sky Harbor Intl to Interlaken that include hotel bookings?

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

How can I find direct flights from Sky Harbor Intl to Interlaken?

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

Can I find deals for business class flights from Sky Harbor Intl to Interlaken?

Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

Find Cheap Flights from Phoenix Sky Harbor Intl Airport to Interlaken

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Find flight deals from Sky Harbor Intl to Interlaken

Popular in	July
Cheapest in	November
Average price	$889

Highest demand for flights based on searches. 20% potential increase in price ($217 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Reviews of airlines servicing Interlaken

See what other customers who have flown with Delta,SWISS, andUnited Airlines from Phoenix Sky Harbor Intl Airport 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

7.8

Good

8,691 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Delta

7.8

Good

8,691 reviews

Delta

7.8

Good

8,691 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

SWISS

7.5

Good

2,114 reviews

Delta

7.8

Good

8,691 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

United Airlines

7.3

Good

10,454 reviews

Delta

7.8

Good

8,691 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

American Airlines

7.0

Good

12,207 reviews

Delta

7.8

Good

8,691 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

British Airways

6.7

Okay

8,275 reviews

Delta

7.8

Good

8,691 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Interlaken one-way?
$254 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on SWISS and American Airlines, with prices starting from $299 and $324, respectively.
Can I find deals for flights from Sky Harbor Intl to Interlaken that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Interlaken?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Interlaken.
Can I find deals for business class flights from Sky Harbor Intl to Interlaken?
Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

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Top 7 airlines flying from Sky Harbor Intl to Interlaken

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$457	Average$913	FlexibilityNo cancel fee	On-time70%
Air Canada	Cheapest$489	Average$1,014	FlexibilityNo cancel fee	On-time67%
SWISS	Cheapest$536	Average$1,144	FlexibilityNo cancel fee	On-time79%
American Airlines	Cheapest$538	Average$1,055	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$580	Average$982	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$584	Average$1,127	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$600	Average$1,131	FlexibilityNo cancel fee	On-timeN/A

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Find cheap flights from Sky Harbor Intl to Interlaken with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Sky Harbor Intl to Interlaken

Popular in

Cheapest in

Average price

Reviews of airlines servicing Interlaken

See what other customers who have flown with Delta,SWISS, andUnited Airlines from Phoenix Sky Harbor Intl Airport 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.

Related info for your journey

What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Interlaken one-way?

Can I find deals for flights from Sky Harbor Intl to Interlaken that include hotel bookings?

How can I find direct flights from Sky Harbor Intl to Interlaken?

Can I find deals for business class flights from Sky Harbor Intl to Interlaken?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sky Harbor Intl to Interlaken

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Interlaken by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sky Harbor Intl to Interlaken by cabin class

Find flights from Sky Harbor Intl to Interlaken, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sky Harbor Intl and Interlaken flights

Browse other Sky Harbor Intl and Interlaken flight options. Last updated on October 30, 2026.

Other flights from Sky Harbor Intl

Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.

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Top 7 airlines flying from Sky Harbor Intl to Interlaken

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Cheap flights from Sky Harbor Intl (PHX) to Interlaken, Switzerland

Find cheap flights from Sky Harbor Intl to Interlaken with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Sky Harbor Intl to Interlaken

Popular in

Cheapest in

Average price

Reviews of airlines servicing Interlaken

See what other customers who have flown with Delta,SWISS, andUnited Airlines from Phoenix Sky Harbor Intl Airport 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.

Related info for your journey

What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Interlaken one-way?

Can I find deals for flights from Sky Harbor Intl to Interlaken that include hotel bookings?

How can I find direct flights from Sky Harbor Intl to Interlaken?

Can I find deals for business class flights from Sky Harbor Intl to Interlaken?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sky Harbor Intl to Interlaken

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Interlaken by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sky Harbor Intl to Interlaken by cabin class

Find flights from Sky Harbor Intl to Interlaken, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sky Harbor Intl and Interlaken flights

Browse other Sky Harbor Intl and Interlaken flight options. Last updated on October 30, 2026.

Other flights from Sky Harbor Intl

Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Sky Harbor Intl to Interlaken flights

Consider these flights traveling from Sky Harbor Intl to Interlaken.

Top 7 airlines flying from Sky Harbor Intl to Interlaken

100% Free

Book with Flexibility

Travel Smart