$224 Cheap Flights from Pittsburgh (PIT) to Sofia (SOF)

View $224 flight on Sun, May 3, 2026Opens in a new window

Popular airlines from Pittsburgh Intl. Airport (PIT) to Sofia Airport (SOF)

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Cheap Flights from Pittsburgh to Sofia (PIT-SOF)

Prices were available within the past 7 days and start at $224 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, May 4 - Tue, May 12
PIT
Pittsburgh
SOF
Sofia
$519 Roundtrip, found 2 days ago
$519
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 4 from Pittsburgh to Sofia, returning Tue, May 12, priced at $519 found 2 days ago
Air Canada
Mon, May 4 - Tue, May 12
PIT
Pittsburgh
SOF
Sofia
$524 Roundtrip, found 2 days ago
$524
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 4 from Pittsburgh to Sofia, returning Tue, May 12, priced at $524 found 2 days ago
Air Canada
Mon, May 4 - Tue, May 12
PIT
Pittsburgh
SOF
Sofia
$526 Roundtrip, found 2 days ago
$526
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 4 from Pittsburgh to Sofia, returning Tue, May 12, priced at $526 found 2 days ago
Air Canada
Mon, May 4 - Tue, May 12
PIT
Pittsburgh
SOF
Sofia
$528 Roundtrip, found 2 days ago
$528
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 4 from Pittsburgh to Sofia, returning Tue, May 12, priced at $528 found 2 days ago
Air Canada
Mon, May 4 - Tue, May 12
PIT
Pittsburgh
SOF
Sofia
$532 Roundtrip, found 2 days ago
$532
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, May 4 from Pittsburgh to Sofia, returning Tue, May 12, priced at $532 found 2 days ago
Air Canada
Sun, May 3 - Fri, May 8
PIT
Pittsburgh
SOF
Sofia
$534 Roundtrip, found 3 days ago
$534
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sun, May 3 from Pittsburgh to Sofia, returning Fri, May 8, priced at $534 found 3 days ago
United
Fri, Mar 20 - Tue, Mar 24
PIT
Pittsburgh
SOF
Sofia
$549 Roundtrip, found 6 hours ago
$549
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Mar 20 from Pittsburgh to Sofia, returning Tue, Mar 24, priced at $549 found 6 hours ago
Lufthansa
Wed, Apr 22 - Wed, May 6
PIT
Pittsburgh
SOF
Sofia
$562 Roundtrip, found 2 days ago
$562
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Apr 22 from Pittsburgh to Sofia, returning Wed, May 6, priced at $562 found 2 days ago
British Airways
Sun, Mar 29 - Mon, Apr 13
PIT
Pittsburgh
SOF
Sofia
$574 Roundtrip, found 17 hours ago
$574
Roundtrip
found 17 hours ago
Select British Airways flight, departing Sun, Mar 29 from Pittsburgh to Sofia, returning Mon, Apr 13, priced at $574 found 17 hours ago
Swiss International Air Lines
Wed, Aug 26 - Tue, Sep 15
PIT
Pittsburgh
SOF
Sofia
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Aug 26 from Pittsburgh to Sofia, returning Tue, Sep 15, priced at $579 found 2 days ago

Find the cheapest month to fly from Pittsburgh (PIT) to Sofia (SOF)

November is typically the cheapest month to fly

From $538 - $1,252 per traveler.
Flights from Pittsburgh (PIT) to Sofia (SOF)
Origin airport
Pittsburgh Intl.
Destination airport
Sofia
Airlines serving
Air Canada, Air France, Austrian Airlines, British Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$519
Distance
4977 mi

Pittsburgh to Sofia Flights

The cheapest times to fly from Pittsburgh to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pittsburgh to Sofia are during the month of May. You can find some of the cheapest flights from Pittsburgh to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pittsburgh to Sofia

Sunday is one of the best days to book for cheap flights from Pittsburgh to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pittsburgh to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pittsburgh to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $224 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pittsburgh to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pittsburgh to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) cost?
You can find cheap one-way flights from $224 and cheap return flights from $519 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) with Expedia. Return flights often range between $672 and $5097. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
The cheapest month to fly from PIT to SOF is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
Enter PIT to SOF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
Swiss International Air Lines is one of the cheapest airlines offering connecting flights from Pittsburgh Intl. (PIT) to Sofia (SOF), with round-trip tickets starting from around $750. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
To find a cheap flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from PIT to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
For flights from Pittsburgh (PIT) to Sofia (SOF), the most popular departure times are in the early afternoon, from 12pm to 3pm. About 36% of passengers choose this time window. Many major carriers, including United Airlines, Lufthansa, and Delta, offer flights during this window. This timing is favored as it allows travelers to have a relaxed morning before heading to the airport.
How long does it take to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
Flights from PIT to SOF with one stop typically take around 18 hours 30 minutes, covering approximately 4,978 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
Select the "Business class" and "First class" filters when looking for PIT to SOF flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) flight and hotel package?
Securing a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) Sofia Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF)?
If you booked your Pittsburgh, PA (PIT-Pittsburgh Intl.) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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*Available to One Key members.