$548 Cheap Swiss International Air Lines flights Pittsburgh (PIT) to Kos (KGS)

View $548 flight on Mon, Jul 14, 2025Opens in a new window

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$548 Cheap Swiss International Air Lines flights Pittsburgh (PIT) to Kos (KGS)

Prices were available within the past 7 days and start at $548 for one-way flights and $751 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Wed, Aug 13 - Wed, Aug 20
PIT
Pittsburgh
KGS
Kos
$751 Roundtrip, found 1 hour ago
$751
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Wed, Aug 13 from Pittsburgh to Kos, returning Wed, Aug 20, priced at $751 found 1 hour ago
Swiss International Air Lines
Mon, Jul 14 - Mon, Jul 21
PIT
Pittsburgh
KGS
Kos
$795 Roundtrip, found 4 days ago
$795
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 14 from Pittsburgh to Kos, returning Mon, Jul 21, priced at $795 found 4 days ago
Swiss International Air Lines
Mon, Jul 14 - Mon, Jul 21
PIT
Pittsburgh
KGS
Kos
$800 Roundtrip, found 4 days ago
$800
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Mon, Jul 14 from Pittsburgh to Kos, returning Mon, Jul 21, priced at $800 found 4 days ago
Swiss International Air Lines
Wed, Aug 13 - Wed, Aug 20
PIT
Pittsburgh
KGS
Kos
$952 Roundtrip, found 1 hour ago
$952
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Wed, Aug 13 from Pittsburgh to Kos, returning Wed, Aug 20, priced at $952 found 1 hour ago
Flights from Pittsburgh (PIT) to Kos (KGS)
Origin airport
Pittsburgh Intl.
Destination airport
Kos Island Intl.
Airlines serving
Austrian Airlines, British Airways, Brussels Airlines, Lufthansa, Swiss International Air Lines
Popular airline
Swiss International Air Lines
Distance
5390 mi

Frequently asked questions

How much is a SWISS flight from Pittsburgh Intl. Airport (PIT) to Kos Island Intl. Airport (KGS)?
You can find cheap return SWISS flights from $751 from PIT to KGS by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from $548 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PIT to KGS with SWISS?
Browse for one-way or return flights to Kos in December or February. You could find a cheap fare with SWISS during these quieter months.
What is the cheapest time to book flights from Pittsburgh Intl. Airport (PIT) to Kos Island Intl. Airport (KGS) with SWISS?
To find affordable flights from PIT to KGS with SWISS, start your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does SWISS fly nonstop from Pittsburgh Intl. Airport (PIT) to Kos Island Intl. Airport (KGS)?
Use the "Nonstop" filter when browsing for direct SWISS flights from PIT to KGS. It's also a good way to compare other airlines servicing the same nonstop trip.
What is the earliest SWISS flight from PIT to KGS?
Sort your results by "Early Morning" and "Morning" to see the earliest flights from PIT to KGS. Taking off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does SWISS fly into in Kos?
Hop on a SWISS flight from Pittsburgh Intl. Airport (PIT) to Kos, and you'll likely arrive at Kos Island Intl. Airport (KGS). This is the airline's primary hub in this city.
What kind of luggage can I take on a SWISS flight from Pittsburgh Intl. Airport (PIT) to Kos Island Intl. Airport (KGS)?
SWISS allows travelers to bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from PIT to KGS. Additionally, you can bring 1 cabin bag in the cabin. This carry-on luggage must not exceed 22 inches x 21 inches x 5 inches and weigh less than 17 lb. Baggage allowances can differ depending on your cabin class and fare type, so double-check your booking or SWISS's website to avoid additional fees at the airport.
Why fly with SWISS from PIT to KGS?
Traveling from PIT to KGS with SWISS means enjoying plenty of perks, including a 4-star airline rating and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's in addition to the Swiss Miles & More points you can earn with SWISS.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my SWISS flight from Pittsburgh Intl. Airport (PIT) to Kos Island Intl. Airport (KGS)?
Changes are generally free within 24 hours of making your booking, but your airline may charge you after that. For more information about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without additional charges, tick the "Changes included" and "No cancel fee" filters when planning your next escape.

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*Available to One Key members.