$868 Cheap Flights from Pittsburgh (PIT) to Samui Intl. Airport (USM)

View $868 flight on Sat, May 3, 2025Opens in a new window

Popular airlines from Pittsburgh Intl. Airport (PIT) to Samui Intl. Airport (USM)

Find available prices by choosing your travel dates.

Cheap Flights from Pittsburgh to Samui Intl. Airport (PIT-USM)

Prices were available within the past 7 days and start at $868 for one-way flights and $1,510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,510 Roundtrip, just found
$1,510
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,510 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,518 Roundtrip, just found
$1,518
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,518 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,523 Roundtrip, just found
$1,523
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,523 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,530 Roundtrip, just found
$1,530
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,530 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,532 Roundtrip, just found
$1,532
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,532 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,532 Roundtrip, just found
$1,532
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,532 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,534 Roundtrip, just found
$1,534
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,534 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,536 Roundtrip, just found
$1,536
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,536 just found
United
Sat, May 3 - Sat, May 17
PIT
Pittsburgh
USM
Koh Samui
$1,538 Roundtrip, just found
$1,538
Roundtrip
just found
Select United flight, departing Sat, May 3 from Pittsburgh to Koh Samui, returning Sat, May 17, priced at $1,538 just found
British Airways
Tue, Sep 2 - Sun, Sep 21
PIT
Pittsburgh
USM
Koh Samui
$2,528 Roundtrip, found 6 hours ago
$2,528
Roundtrip
found 6 hours ago
Select British Airways flight, departing Tue, Sep 2 from Pittsburgh to Koh Samui, returning Sun, Sep 21, priced at $2,528 found 6 hours ago

Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM) cost?
Discover the latest flight deals from PIT to USM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PIT to USM?
The cheapest flights from PIT to USM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from PIT to USM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from PIT to USM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM)?
There are no daily direct flights departing from Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from PIT to USM?
Usually you’ll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM)?
To avoid potential delays on the Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM) last-minute?
Last-minute bookings from PIT to USM are typically more expensive. For the best prices, start searching for flights early. That being said, if you’re flexible with your travel plans, it’s possible to find a cheap ticket right before you leave.
Is it cheaper to book a PIT to USM flight and hotel package?
You can save money by securing a PIT to USM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After selecting your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to Ko Samui Airport (USM)?
Typically, you can modify or cancel your PIT to USM flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline’s fees and rules on flight changes, or if you need further information, head to our Customer Service portal.
*Available to One Key members.