Sofia

$317+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jun 4 — Jun 111
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Cheap 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 May 5, 2026.

This Air Serbia deal was found by Cheapflights users on 5/1. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:30 pm
JFK
-
SOF
1 stop13h 00m
Air Serbia
Fri 10/164:00 pm
SOF
-
JFK
1 stop32h 30m
Air Serbia
Deal found 5/1$565
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 10/37:30 pm
JFK
-
SOF
1 stop13h 00m
Air Serbia
Sat 10/175:00 am
SOF
-
JFK
1 stop19h 30m
Air Serbia
Deal found 5/2$566
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 10/287:10 pm
JFK
-
SOF
1 stop10h 40m
Austrian Airlines
Wed 11/117:55 am
SOF
-
JFK
1 stop13h 20m
Austrian Airlines
Deal found 4/30$578
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 11/36:10 pm
JFK
-
SOF
1 stop10h 40m
Austrian Airlines
Tue 11/177:55 am
SOF
-
JFK
1 stop13h 20m
Austrian Airlines
Deal found 5/3$579
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Fri 9/47:30 pm
JFK
-
SOF
1 stop13h 00m
Air Serbia
Sat 9/195:00 am
SOF
-
JFK
1 stop19h 30m
Air Serbia
Deal found 4/30$583
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 pm
JFK
-
SOF
1 stop13h 00m
Air Serbia
Fri 10/25:00 am
SOF
-
JFK
1 stop19h 30m
Air Serbia
Deal found 5/4$584
This Air Serbia deal was found by Cheapflights users on 5/1. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 pm
JFK
-
SOF
1 stop13h 00m
Air Serbia
Sun 9/204:00 pm
SOF
-
JFK
1 stop26h 55m
Air Serbia
Deal found 5/1$585
This Air Serbia deal was found by Cheapflights users on 4/30. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:50 pm
JFK
-
SOF
1 stop30h 10m
Air Serbia
Wed 9/164:00 pm
SOF
-
JFK
1 stop32h 30m
Air Serbia
Deal found 4/30$586
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/49:45 pm
JFK
-
SOF
1 stop10h 35m
Austrian Airlines
Wed 5/2012:25 pm
SOF
-
JFK
1 stop14h 40m
Austrian Airlines
Deal found 5/3$588
This Mytrip deal was found by Cheapflights users on 5/3. 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.
Tue 11/34:55 pm
JFK
-
SOF
2 stops18h 25m
Multiple Airlines
Tue 11/1012:35 pm
SOF
-
JFK
1 stop32h 40m
Multiple Airlines
Deal found 5/3$593
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 11/39:50 pm
BOS
-
SOF
2 stops13h 30m
Multiple Airlines
Tue 11/177:55 am
SOF
-
BOS
1 stop12h 35m
Multiple Airlines
Deal found 5/3$598
This Mytrip deal was found by Cheapflights users on 5/3. 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 5/44:15 pm
JFK
-
SOF
1 stop13h 00m
SWISS
Mon 5/113:40 pm
SOF
-
JFK
1 stop28h 10m
SWISS
Deal found 5/3$600

Find flight deals from USA to Sofia

Keep the following information in mind while searching for USA to Sofia flight deals. Data was last updated May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$565
(Air Serbia)

One-way from

$317
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$752
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
Highest demand for flights based on searches. 2% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 5, 2026.
Use the filters below to find and compare flights from the United States to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 5/10

8:30 pm-11:15 pm

1 stop19h 45m

Sofia

Wed 5/20

8:00 am-7:15 pm

2 stops18h 15m

$654

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 9/8

2:32 pm-12:10 pm

2 stops14h 38m

Sofia

Thu 9/17

6:30 am-2:36 pm

2 stops15h 06m

$663

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 7/14

1:35 pm-2:00 pm

2 stops17h 25m

Sofia

Tue 8/25

7:00 am-1:18 pm

1 stop13h 18m

$664

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 7/21

8:05 pm-11:15 pm

1 stop20h 10m

Sofia

Tue 9/8

8:00 am-11:54 pm

2 stops22h 54m

$684

NewarkSofia

EWR - SOF

EWRSOF

Newark

Fri 5/8

8:30 pm-11:15 pm

1 stop19h 45m

Sofia

Fri 5/22

8:00 am-1:55 pm

1 stop12h 55m

$694

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 7/19

8:05 pm-11:15 pm

1 stop20h 10m

Sofia

Thu 9/3

6:30 am-4:43 pm

2 stops17h 13m

$695

NewarkSofia

EWR - SOF

EWRSOF

Newark

Fri 5/8

8:30 pm-11:15 pm

1 stop19h 45m

Sofia

Thu 5/21

12:55 pm-6:45 pm

1 stop12h 50m

$697

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 7/30

7:30 pm-3:00 am

1 stop24h 30m

Sofia

Mon 10/12

5:00 am-11:55 am

1 stop13h 55m

$709

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 7/30

10:35 pm-2:00 pm

1 stop32h 25m

Sofia

Fri 8/28

7:00 am-12:29 pm

1 stop12h 29m

$709

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 7/30

5:50 pm-1:25 pm

1 stop12h 35m

Sofia

Mon 10/12

8:10 pm-1:55 pm

1 stop24h 45m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from USA to Sofia?

Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from USA to Sofia (average of $684). Flying from USA to Sofia in February is currently the most expensive (average of $1,130). 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
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Turkish Airlines

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.

Harriet Baskas

Harriet Baskas

Expert on United Airlines

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.

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 May 5, 2026.
Peruse reviews from past customers who have flown with KLM,LOT, andTurkish 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.

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 $664, United Airlines can have you in Sofia from USA in 17h 25m. Airlines will cover a distance of 4521 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 Austrian Airlines, with whom users have recently found tickets for as low as $167. However, be on the lookout for offers from KLM and Lufthansa, 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, March is the cheapest month in which you can book a flight from USA to Sofia (average of $684). Flying from USA to Sofia in February is currently the most expensive (average of $1,130). 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

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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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$193Average$676FlexibilityNo cancel feeOn-time79%
KLMCheapest$380Average$731FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$387Average$690FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$396Average$567FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$406Average$720FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$409Average$870FlexibilityNo cancel feeOn-time69%
LOTCheapest$413Average$925FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$416Average$842FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$462Average$772FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$478Average$984FlexibilityNo cancel feeOn-time62%

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