HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$565+ Cheap flights from Buffalo (BUF) to Sofia (SOF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SOF
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Sofia 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.

Cheap flight deals from Buffalo to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$565
(United Airlines)
Provider with most accurate pricing for Buffalo-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Sofia flights.
Search Deals
From Buffalo to Sofia
Search Deals

Find flight deals from Buffalo to Sofia

Cheapest flights from Buffalo to Sofia
Explore the most affordable flight options available from Buffalo to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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 2/58:30 am
BUF
-
SOF
2 stops31h 15m
United Airlines
Mon 2/91:45 pm
SOF
-
BUF
2 stops57h 59m
United Airlines
Deal found 1/15$565
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Sun 2/155:24 pm
BUF
-
SOF
2 stops46h 21m
United Airlines
Sun 2/222:00 pm
SOF
-
BUF
2 stops35h 46m
United Airlines
Deal found 1/16$598
This Air Canada deal was found by Cheapflights users on 1/16. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:52 pm
BUF
-
SOF
3 stops21h 28m
Air Canada
Sun 2/226:10 am
SOF
-
BUF
3 stops21h 41m
Air Canada
Deal found 1/16$2,301

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Sofia 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 January 18, 2026.
Use the filters below to find and compare flights from Buffalo to Sofia that are best for you.

Fly from

Buffalo

Fly to

Sofia

Route

Depart

Return

Price

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Thu 2/5

8:30 am-10:45 pm

2 stops31h 15m

Sofia

Mon 2/9

1:45 pm-4:44 pm

2 stops57h 59m

$565

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Sun 2/15

5:24 pm-10:45 pm

2 stops46h 21m

Sofia

Sun 2/22

2:00 pm-6:46 pm

2 stops35h 46m

$598

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Sun 2/15

1:52 pm-6:20 pm

3 stops21h 28m

Sofia

Sun 2/22

6:10 am-8:51 pm

3 stops21h 41m

$2,301

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Buffalo to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Sofia in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Buffalo-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Sofia flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Buffalo with our price prediction graph.
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.

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated January 18, 2026.
Peruse reviews from past customers who have flown with United Airlines and Lufthansa from Buffalo to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,177 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,177 reviews
United Airlines
7.4
Good
9,177 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,731 reviews
United Airlines
7.4
Good
9,177 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Buffalo to Sofia?

    United Airlines and Air Canada can get you from Buffalo to Sofia in just under 21h 28m. Your travel time can differ by up to 9h 47m. There are 4805 mi between Buffalo and Sofia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Buffalo to Sofia round-trip?

    Our cheapest airline available from Buffalo to Sofia is United Airlines. Our recent data shows that you can find tickets from as low as $493 on this airline. An additional option worth looking into is Lufthansa, starting at $555.

  • Can I find deals for flights from Buffalo to Sofia that include hotel bookings?

    Yes. In addition to deals on Buffalo to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Sofia.

  • Can I find deals for business class flights from Buffalo to Sofia?

    Yes. Cheapflights offers flight deals from Buffalo to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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 Buffalo to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Sofia flights
Newark to Sofia flights
LaGuardia to Sofia flights
Syracuse to Sofia flights
Rochester to Sofia flights
Stewart to Sofia flights

Top 2 airlines flying from Buffalo to Sofia

Discover the top 2 airlines that operate flights from Buffalo to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$1,086FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$555Average$804FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.