$404+ Cheap flights from Philadelphia (PHL) 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ZRH
May 11 — May 181
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Interlaken with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Philadelphia to Interlaken are usually found in November or January, booked 27 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from Philadelphia to Interlaken
Cheapest
Best
Last-minute
One-way
Cheapest flights from Philadelphia to InterlakenExplore the most affordable flight options available from Philadelphia to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
Explore the most affordable flight options available from Philadelphia to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
This Justfly.com deal was found by Cheapflights users on 4/8. 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.
Tue 9/229:40 am
PHL
- ZRH
2 stops28h 00m
Scandinavian Airlines
Tue 10/1310:25 am
ZRH
- PHL
2 stops19h 56m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$714
This Justfly.com deal was found by Cheapflights users on 4/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:27 pm
PHL
- ZRH
2 stops17h 43m
Scandinavian Airlines
Mon 8/2410:25 am
ZRH
- PHL
2 stops20h 36m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$715
This Scandinavian Airlines deal was found by Cheapflights users on 4/8. 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 9/231:20 pm
PHL
- ZRH
2 stops24h 20m
Scandinavian Airlines
Wed 10/1410:25 am
ZRH
- PHL
2 stops18h 13m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$736
This FlightHub deal was found by Cheapflights users on 4/9. 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 10/69:40 am
PHL
- ZRH
2 stops28h 00m
Scandinavian Airlines
Thu 10/158:25 pm
ZRH
- PHL
2 stops33h 56m
Scandinavian Airlines
Deal found 4/9![Scandinavian Airlines logo]()
$744
This Justfly.com deal was found by Cheapflights users on 4/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:12 pm
PHL
- ZRH
2 stops37h 28m
Scandinavian Airlines
Wed 9/308:25 pm
ZRH
- PHL
2 stops34h 02m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$745
This KAYAK deal was found by Cheapflights users on 4/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:12 pm
PHL
- ZRH
2 stops17h 58m
Scandinavian Airlines
Wed 10/148:25 pm
ZRH
- PHL
2 stops32h 13m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$748
This KAYAK deal was found by Cheapflights users on 4/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:40 am
PHL
- ZRH
2 stops18h 00m
Scandinavian Airlines
Wed 12/210:25 am
ZRH
- PHL
2 stops18h 31m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$757
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/47:35 pm
PHL
- ZRH
1 stop16h 15m
American Airlines
Tue 5/1211:45 am
ZRH
- PHL
Nonstop8h 45m
American Airlines
Deal found 4/6![American Airlines logo]()
$765
This Scandinavian Airlines deal was found by Cheapflights users on 4/7. 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.
Mon 9/211:20 pm
PHL
- ZRH
2 stops24h 20m
Scandinavian Airlines
Mon 9/2810:25 am
ZRH
- PHL
2 stops18h 12m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$766
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/65:55 pm
PHL
- ZRH
Nonstop7h 50m
American Airlines
Wed 5/1311:45 am
ZRH
- PHL
Nonstop8h 45m
American Airlines
Deal found 4/8![American Airlines logo]()
$767
Best flights from Philadelphia to InterlakenDiscover carefully curated flight deals from Philadelphia to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
Discover carefully curated flight deals from Philadelphia to Interlaken that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
This United Airlines deal was found by Cheapflights users on 4/6. 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 5/610:00 am
PHL
- ZRH
2 stops16h 05m
United Airlines
Wed 5/131:25 pm
ZRH
- PHL
1 stop15h 18m
United Airlines
Deal found 4/6![United Airlines logo]()
$787
This Delta deal was found by Cheapflights users on 4/8. 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 5/69:42 am
PHL
- ZRH
2 stops18h 53m
Delta
Wed 5/1310:10 am
ZRH
- PHL
2 stops18h 57m
Delta
Deal found 4/8![Delta logo]()
$839
This British Airways deal was found by Cheapflights users on 4/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:40 pm
PHL
- ZRH
1 stop11h 30m
Multiple Airlines
Tue 5/1211:45 am
ZRH
- PHL
Nonstop8h 45m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$997
This Scandinavian Airlines deal was found by Cheapflights users on 4/8. 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 5/139:26 am
PHL
- ZRH
2 stops18h 14m
Scandinavian Airlines
Wed 5/207:00 am
ZRH
- PHL
3 stops21h 09m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$1,295
This United Airlines deal was found by Cheapflights users on 4/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:27 pm
PHL
- ZRH
1 stop29h 18m
United Airlines
Wed 7/151:25 pm
ZRH
- PHL
1 stop32h 16m
United Airlines
Deal found 4/10![United Airlines logo]()
$1,113
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:38 pm
PHL
- ZRH
2 stops15h 57m
Delta
Mon 5/2510:10 am
ZRH
- PHL
2 stops18h 57m
Delta
Deal found 4/10![Delta logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 4/9. 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 5/146:10 am
PHL
- ZRH
1 stop18h 00m
United Airlines
Mon 5/252:35 pm
ZRH
- PHL
1 stop31h 30m
United Airlines
Deal found 4/9![United Airlines logo]()
$1,152
This Scandinavian Airlines deal was found by Cheapflights users on 4/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:35 am
PHL
- ZRH
2 stops21h 35m
Scandinavian Airlines
Fri 5/297:00 am
ZRH
- PHL
3 stops23h 57m
Scandinavian Airlines
Deal found 4/10![Scandinavian Airlines logo]()
$1,841
This Scandinavian Airlines deal was found by Cheapflights users on 4/9. 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.
Thu 5/141:44 pm
PHL
- ZRH
3 stops17h 56m
Scandinavian Airlines
Mon 5/2510:25 am
ZRH
- PHL
2 stops17h 44m
Scandinavian Airlines
Deal found 4/9![Scandinavian Airlines logo]()
$1,946
This Scandinavian Airlines deal was found by Cheapflights users on 4/6. 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 7/89:30 am
PHL
- ZRH
2 stops18h 10m
Scandinavian Airlines
Thu 7/167:00 am
ZRH
- PHL
3 stops21h 55m
Scandinavian Airlines
Deal found 4/6![Scandinavian Airlines logo]()
$2,110
Last-minute flights from Philadelphia to InterlakenDiscover last-minute flight deals from Philadelphia to Interlaken. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Interlaken. Data last updated April 11, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/6. 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.
Sun 4/267:00 am
PHL
- ZRH
2 stops30h 40m
Multiple Airlines
Sun 5/310:25 am
ZRH
- PHL
3 stops29h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$801
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/47:35 pm
PHL
- ZRH
1 stop16h 15m
American Airlines
Tue 5/1211:45 am
ZRH
- PHL
Nonstop8h 45m
American Airlines
Deal found 4/6![American Airlines logo]()
$765
This Mytrip deal was found by Cheapflights users on 4/6. 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 5/43:25 pm
PHL
- ZRH
2 stops36h 40m
Air Canada
Tue 5/121:25 pm
ZRH
- PHL
1 stop32h 13m
Air Canada
Deal found 4/6![Air Canada logo]()
$774
This Air France deal was found by Cheapflights users on 4/6. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:32 pm
PHL
- ZRH
2 stops14h 23m
Multiple Airlines
Tue 5/1211:50 am
ZRH
- PHL
2 stops17h 22m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/65:55 pm
PHL
- ZRH
Nonstop7h 50m
American Airlines
Wed 5/1311:45 am
ZRH
- PHL
Nonstop8h 45m
American Airlines
Deal found 4/8![American Airlines logo]()
$767
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/68:15 pm
PHL
- ZRH
1 stop20h 05m
Multiple Airlines
Wed 5/1311:45 am
ZRH
- PHL
Nonstop8h 45m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 4/6. 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 5/61:26 pm
PHL
- ZRH
1 stop12h 19m
United Airlines
Wed 5/131:25 pm
ZRH
- PHL
1 stop15h 18m
United Airlines
Deal found 4/6![United Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 4/6. 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 5/69:42 am
PHL
- ZRH
2 stops18h 53m
Delta
Wed 5/1310:10 am
ZRH
- PHL
2 stops18h 57m
Delta
Deal found 4/6![Delta logo]()
$789
One-way flights from Philadelphia to InterlakenSearch for one-way flight options from Philadelphia to Interlaken. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
Search for one-way flight options from Philadelphia to Interlaken. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:21 pm
PHL
- ZRH
2 stops42h 44m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:35 pm
PHL
- ZRH
3 stops34h 30m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:38 pm
PHL
- ZRH
3 stops32h 27m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 am
PHL
- ZRH
3 stops48h 05m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:32 pm
PHL
- ZRH
3 stops21h 48m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$438
This Sembo deal was found by Cheapflights users on 4/7. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:33 pm
PHL
- ZRH
2 stops35h 52m
TAP AIR PORTUGAL
Deal found 4/7![TAP AIR PORTUGAL logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:10 pm
PHL
- ZRH
2 stops15h 55m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$456
Find flight deals from Philadelphia to Interlaken
Keep the following information in mind while searching for Philadelphia to Interlaken flight deals. Data was last updated April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $714 (Justfly.com) |
One-way from | $404 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $719 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 11, 2026.
Use the filters below to find and compare flights from Philadelphia to Interlaken that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Wed 5/6
10:00 am-8:05 am
2 stops16h 05m
Zurich
Wed 5/13
1:25 pm-10:43 pm
1 stop15h 18m
$787
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Wed 5/6
9:42 am-10:35 am
2 stops18h 53m
Zurich
Wed 5/13
10:10 am-11:07 pm
2 stops18h 57m
$839
Quickest round-trip
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Sun 5/3
6:40 pm-12:10 pm
1 stop11h 30m
Zurich
Tue 5/12
11:45 am-2:30 pm
Nonstop8h 45m
$997
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Mon 7/6
8:27 pm-7:45 am
1 stop29h 18m
Zurich
Wed 7/15
1:25 pm-3:41 pm
1 stop32h 16m
$1,113
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Thu 5/14
6:10 am-6:10 am
1 stop18h 00m
Zurich
Mon 5/25
2:35 pm-4:05 pm
1 stop31h 30m
$1,152
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Thu 5/14
12:38 pm-10:35 am
2 stops15h 57m
Zurich
Mon 5/25
10:10 am-11:07 pm
2 stops18h 57m
$1,199
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Wed 5/13
9:26 am-9:40 am
2 stops18h 14m
Zurich
Wed 5/20
7:00 am-10:09 pm
3 stops21h 09m
$1,295
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Sat 5/23
10:35 am-2:10 pm
2 stops21h 35m
Zurich
Fri 5/29
7:00 am-12:57 am
3 stops23h 57m
$1,841
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Thu 5/14
1:44 pm-1:40 pm
3 stops17h 56m
Zurich
Mon 5/25
10:25 am-10:09 pm
2 stops17h 44m
$1,946
PhiladelphiaZurich
PHL - ZRH
PHLZRH
Philadelphia
Wed 7/8
9:30 am-9:40 am
2 stops18h 10m
Zurich
Thu 7/16
7:00 am-10:55 pm
3 stops21h 55m
$2,110
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Interlaken
Have a flexible travel schedule? Discover the best time to fly to Interlaken from Philadelphia with our price prediction graph.
PHL-ZRH
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 Philadelphia to Interlaken
PHL-IN9
PHL-ZRH
How far ahead should I book a flight from Philadelphia to Interlaken?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Interlaken. Price data was last updated on April 10, 2026.
Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to Interlaken. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Philadelphia to Interlaken?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Interlaken (average of $362). Flying from Philadelphia to Interlaken in July is currently the most expensive (average of $572). 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 PHL to IN9?
Find hourly flight availability from Philadelphia 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 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Interlaken as you normally would.
Weekly flight availability from Philadelphia to Interlaken
Explore weekly flight availability from Philadelphia to Interlaken. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 11, 2026.
The most flights from PHL to IN9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Philadelphia 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 April 11, 2026.
See what other customers who have flown with SWISS,United Airlines, andAmerican Airlines from Philadelphia 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.
Overall
7.5
Food
7.1
Boarding
7.7
Crew
8.3
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.5
Food
7.1
Boarding
7.7
Crew
8.3
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.5
Food
7.1
Boarding
7.7
Crew
8.3
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.5
Food
7.1
Boarding
7.7
Crew
8.3
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.5
Food
7.1
Boarding
7.7
Crew
8.3
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.5
Food
7.1
Boarding
7.7
Crew
8.3
Comfort
7.4
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
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Philadelphia and Interlaken flights
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$668 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$418 | Average$725 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$453 | Average$724 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$480 | Average$602 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$537 | Average$809 | FlexibilityNo cancel fee | On-time71% |