Sofia

$189+ Cheap flights from the United States 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Feb 15 — Feb 221
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Cheap flight deals from USA to Sofia

Keep the following information in mind while searching for USA to Sofia flight deals. Data was last updated January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$326
(Kiwi.com)

One-way from

$189
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$571
Provider with most accurate pricing for New York (NYC)-Sofia flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Sofia flights.
From USA to Sofia
One-way flight from USA to Sofia
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from USA to Sofia

Cheapest flights from USA to Sofia
Explore the most affordable flight options available from USA to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:31 pm
BOS
-
SOF
2 stops15h 19m
Austrian Airlines
Tue 2/177:55 am
SOF
-
BOS
1 stop13h 10m
Austrian Airlines
Deal found 1/13$341
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:40 pm
BOS
-
SOF
1 stop19h 05m
Multiple Airlines
Mon 2/166:45 pm
SOF
-
BOS
1 stop26h 20m
Multiple Airlines
Deal found 1/14$353
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:25 pm
BOS
-
SOF
1 stop10h 25m
Austrian Airlines
Wed 4/18:00 am
SOF
-
BOS
1 stop12h 50m
Austrian Airlines
Deal found 1/16$356
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:55 pm
EWR
-
SOF
1 stop17h 05m
Austrian Airlines
Mon 2/166:45 pm
SOF
-
EWR
1 stop26h 10m
Austrian Airlines
Deal found 1/14$357
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/35:55 pm
EWR
-
SOF
1 stop10h 55m
Austrian Airlines
Wed 2/117:55 am
SOF
-
EWR
1 stop13h 20m
Austrian Airlines
Deal found 1/15$359
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/115:55 pm
EWR
-
SOF
1 stop10h 55m
Multiple Airlines
Wed 2/182:00 pm
SOF
-
EWR
1 stop12h 05m
Multiple Airlines
Deal found 1/14$360
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:40 pm
BOS
-
SOF
2 stops14h 20m
Multiple Airlines
Wed 4/18:00 am
SOF
-
BOS
1 stop12h 50m
Multiple Airlines
Deal found 1/16$370
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2510:35 pm
EWR
-
SOF
1 stop12h 15m
LOT
Mon 2/96:35 pm
SOF
-
EWR
1 stop32h 50m
LOT
Deal found 1/15$371
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:50 pm
BOS
-
SOF
2 stops13h 30m
Multiple Airlines
Tue 3/247:55 am
SOF
-
BOS
1 stop13h 10m
Multiple Airlines
Deal found 1/15$374
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/263:30 pm
EWR
-
SOF
2 stops14h 45m
Multiple Airlines
Mon 2/96:45 pm
SOF
-
EWR
1 stop26h 30m
Multiple Airlines
Deal found 1/15$374
This Mytrip deal was found by Cheapflights users on 1/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:40 pm
BOS
-
SOF
2 stops12h 35m
Multiple Airlines
Mon 3/236:45 pm
SOF
-
BOS
1 stop26h 20m
Multiple Airlines
Deal found 1/14$378
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:15 am
BOS
-
SOF
2 stops22h 55m
Multiple Airlines
Mon 4/203:45 pm
SOF
-
BOS
1 stop30h 45m
Multiple Airlines
Deal found 1/15$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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 16, 2026.
Use the filters below to find and compare flights from the United States to Sofia that are best for you.

Fly from

USA

Fly to

Sofia

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

1:00 pm-6:20 pm

2 stops22h 20m

Sofia

Wed 4/1

8:00 am-5:57 pm

2 stops16h 57m

$375

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 2/25

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

Tue 3/3

6:00 am-7:12 pm

2 stops20h 12m

$382

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 4/20

6:15 am-12:10 pm

2 stops22h 55m

Sofia

Thu 4/30

11:30 am-9:54 am

2 stops29h 24m

$393

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 2/1

5:00 pm-1:00 pm

1 stop13h 00m

Sofia

Wed 2/11

7:55 am-1:55 pm

1 stop13h 00m

$394

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 2/2

5:00 pm-1:15 pm

1 stop13h 15m

Sofia

Tue 2/10

7:55 am-1:55 pm

1 stop13h 00m

$394

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 2/3

4:45 pm-1:15 pm

1 stop13h 30m

Sofia

Wed 2/11

7:55 am-1:55 pm

1 stop13h 00m

$394

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 2/17

8:50 pm-6:20 pm

1 stop14h 30m

Sofia

Thu 2/26

7:55 am-1:55 pm

1 stop13h 00m

$394

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 4/1

10:45 am-12:10 pm

2 stops18h 25m

Sofia

Mon 4/20

12:55 pm-3:30 pm

2 stops33h 35m

$400

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 5/3

7:30 am-11:10 pm

2 stops32h 40m

Sofia

Tue 5/12

6:10 am-6:45 pm

1 stop19h 35m

$401

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 2/25

12:35 pm-10:45 pm

2 stops27h 10m

Sofia

Tue 3/3

7:55 am-5:21 pm

2 stops16h 26m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 60 results
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Best time to book a flight from USA to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from USA 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.

Cheapflights Insights

Everything you need to know about your flight from the United States to Sofia

What is the cheapest month to book a flight from USA to Sofia?

Currently, October is the cheapest month in which you can book a flight from USA to Sofia (average of $243). Flying from USA to Sofia in May is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

The best insider tips for theUnited States to Sofia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Sofia trip
Airlines
Turkish Airlines

Turkish Airlines Economy offers a travel set with sleep mask, ear plugs, and toiletries on flights over five hours.


Turkish Airlines Business Class features lie-flat seats, Ferragamo travel sets, and Denon noise-canceling headphones.

United Airlines

United's Polaris Business Class offers lie-flat seats, Saks Fifth Avenue bedding, and upscale amenity kits.


United's Premium Plus offers extra legroom, upgraded meals, and two checked bags on international routes.

Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Turkish Airlines

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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 16, 2026.
Peruse reviews from past customers who have flown with KLM, LOT, and United Airlines from the United States 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.

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Food

7.2

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from USA to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Sofia from United States?

    Located just 4.2 mi from the city center, Sofia (SOF) is the airport most travelers will use when flying to Sofia from United States.

  • How long is the flight from USA to Sofia?

    For as low as $484, United Airlines can have you in Sofia from USA in 12h 15m. Airlines will cover a distance of 4707 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from USA to Sofia one-way?

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $227. However, be on the lookout for offers from KLM and Air France, as they are both options that can get you from USA to Sofia for a low price.

  • What are the most popular routes from USA to Sofia?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA 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.

  • What is the cheapest month to book a flight from USA to Sofia?

    Currently, October is the cheapest month in which you can book a flight from USA to Sofia (average of $243). Flying from USA to Sofia in May is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Top 10 airlines flying from USA to Sofia

Discover the top 10 airlines that operate flights from USA 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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$356Average$786FlexibilityNo cancel feeOn-time70%
KLMCheapest$380Average$742FlexibilityNo cancel feeOn-time75%
SWISSCheapest$388Average$822FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$394Average$802FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$416Average$684FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$422Average$843FlexibilityNo cancel feeOn-time69%
LOTCheapest$437Average$865FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$444Average$895FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$478Average$984FlexibilityNo cancel feeOn-time62%
ITA AirwaysCheapest$505Average$1,035FlexibilityNo cancel feeOn-time81%

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