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Sofia

$222+ Cheap flights from Buffalo (BUF) to Sofia (SOF)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SOF
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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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 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$487
(United Airlines)

One-way from

$227
(United Airlines)
Provider with most accurate pricing for Buffalo-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Sofia flights.
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From Buffalo to Sofia
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One-way flight from Buffalo to Sofia
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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 11, 2026.

This United Airlines deal was found by Cheapflights users on 1/11. 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 2/1110:45 amBUF - SOF
2 stops29h 00mUnited Airlines
Wed 2/256:10 amSOF - BUF
2 stops18h 40mUnited Airlines
Deal found 1/11$486
This United Airlines deal was found by Cheapflights users on 1/10. 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.
Tue 2/101:59 pmBUF - SOF
2 stops16h 16mUnited Airlines
Wed 2/252:25 pmSOF - BUF
2 stops16h 19mUnited Airlines
Deal found 1/10$487
This United Airlines deal was found by Cheapflights users on 1/10. 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.
Wed 2/252:54 pmBUF - SOF
2 stops20h 26mUnited Airlines
Wed 3/42:25 pmSOF - BUF
2 stops16h 19mUnited Airlines
Deal found 1/10$497
This United Airlines deal was found by Cheapflights users on 1/11. 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 2/1110:45 amBUF - SOF
2 stops29h 00mUnited Airlines
Mon 2/231:45 pmSOF - BUF
2 stops35h 05mUnited Airlines
Deal found 1/11$499
This United Airlines deal was found by Cheapflights users on 1/10. 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.
Wed 2/112:49 pmBUF - SOF
2 stops16h 01mUnited Airlines
Tue 2/242:15 pmSOF - BUF
2 stops16h 29mUnited Airlines
Deal found 1/10$500
This United Airlines deal was found by Cheapflights users on 1/11. 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.
Fri 2/136:07 amBUF - SOF
2 stops33h 38mUnited Airlines
Tue 2/242:15 pmSOF - BUF
2 stops16h 29mUnited Airlines
Deal found 1/11$524
This United Airlines deal was found by Cheapflights users on 1/10. 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.
Fri 2/136:07 amBUF - SOF
2 stops33h 38mUnited Airlines
Thu 2/262:35 pmSOF - BUF
2 stops16h 09mUnited Airlines
Deal found 1/10$525
This United Airlines deal was found by Cheapflights users on 1/11. 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.
Fri 2/136:07 amBUF - SOF
2 stops33h 38mUnited Airlines
Mon 2/231:45 pmSOF - BUF
2 stops35h 05mUnited Airlines
Deal found 1/11$536
This United Airlines deal was found by Cheapflights users on 1/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:30 amBUF - SOF
2 stops31h 15mUnited Airlines
Mon 2/91:45 pmSOF - BUF
2 stops57h 59mUnited Airlines
Deal found 1/8$540
This FlightHub deal was found by Cheapflights users on 1/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/232:49 pmBUF - SOF
2 stops15h 46mLufthansa
Thu 2/262:00 pmSOF - BUF
2 stops34h 50mLufthansa
Deal found 1/8$550

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 11, 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

Wed 2/11

10:45 am-10:45 pm

2 stops29h 00m

Sofia

Tue 2/24

6:00 am-2:13 pm

2 stops39h 13m

$486

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Sun 2/15

5:24 pm-1:15 pm

2 stops36h 51m

Sofia

Wed 2/25

2:25 pm-2:13 pm

2 stops30h 48m

$486

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Sun 2/15

7:21 pm-1:15 pm

2 stops34h 54m

Sofia

Thu 2/26

2:35 pm-11:44 pm

2 stops16h 09m

$487

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Mon 2/16

1:52 pm-1:15 pm

2 stops16h 23m

Sofia

Wed 2/25

2:25 pm-6:46 pm

2 stops35h 21m

$487

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Tue 2/10

1:59 pm-1:15 pm

2 stops16h 16m

Sofia

Tue 2/24

6:00 am-7:06 pm

2 stops20h 06m

$487

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Tue 2/10

1:59 pm-1:15 pm

2 stops16h 16m

Sofia

Wed 2/25

2:25 pm-11:44 pm

2 stops16h 19m

$487

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Wed 2/25

2:54 pm-6:20 pm

2 stops20h 26m

Sofia

Wed 3/4

2:25 pm-11:44 pm

2 stops16h 19m

$497

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Wed 2/11

10:45 am-10:45 pm

2 stops29h 00m

Sofia

Mon 2/23

1:45 pm-5:50 pm

2 stops35h 05m

$499

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Sun 2/15

11:29 am-1:00 pm

2 stops18h 31m

Sofia

Mon 2/23

1:45 pm-7:06 pm

2 stops36h 21m

$499

BuffaloSofia

BUF - SOF

BUFSOF

Buffalo

Wed 2/11

2:49 pm-1:50 pm

2 stops16h 01m

Sofia

Fri 2/20

2:35 pm-11:44 pm

2 stops16h 09m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 23 results
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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
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Sofia flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 11, 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
9,145 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
9,145 reviews
United Airlines
7.4
Good
9,145 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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
7,710 reviews
United Airlines
7.4
Good
9,145 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

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 can get you from Buffalo to Sofia in just under 34h 54m. Your travel time can differ by up to . There are 4805 mi between Buffalo and Sofia.

  • What is the cheapest airline to fly 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 $746 on this airline.

  • 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

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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
Rochester to Sofia flights
Syracuse to Sofia flights
Stewart to Sofia flights

Top airline flying from Buffalo to Sofia

Discover the top airline 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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$746Average$1,086FlexibilityNo cancel feeOn-time69%

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