Sofia

$215+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
ene. 15 — ene. 221
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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 diciembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
mar. 2/107:55 amSOF - JFK
1 stop13h 20mUnited Airlines
Deal found 12/14$499
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
vie. 2/136:05 amSOF - JFK
1 stop16h 35mUnited Airlines
Deal found 12/14$501
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
lun. 2/91:45 pmSOF - JFK
1 stop32h 55mUnited Airlines
Deal found 12/14$511
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
jue. 2/126:00 amSOF - JFK
2 stops41h 09mUnited Airlines
Deal found 12/14$516
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
mié. 2/116:05 amSOF - JFK
2 stops38h 00mUnited Airlines
Deal found 12/14$520
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
sáb. 2/77:55 amSOF - JFK
1 stop13h 20mUnited Airlines
Deal found 12/14$549
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:45 amJFK - SOF
2 stops30h 00mUnited Airlines
dom. 2/86:05 amSOF - JFK
1 stop16h 35mUnited Airlines
Deal found 12/14$551
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:41 pmJFK - SOF
2 stops40h 29mBritish Airways
mié. 1/149:00 pmSOF - JFK
1 stop31h 05mBritish Airways
Deal found 12/15$554
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
dom. 12/286:25 pmORD - SOF
1 stop20h 20mLufthansa
jue. 1/156:00 amSOF - ORD
1 stop17h 20mLufthansa
Deal found 12/16$576
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
lun. 12/296:10 pmORD - SOF
2 stops20h 35mMultiple Airlines
jue. 1/154:00 pmSOF - ORD
1 stop28h 45mMultiple Airlines
Deal found 12/16$597
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/286:00 pmORD - SOF
1 stop20h 45mLufthansa
lun. 3/22:20 pmSOF - ORD
1 stop13h 45mLufthansa
Deal found 12/16$599
This United Airlines deal was found by Cheapflights users on 12/15. 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.
dom. 12/286:00 pmORD - SOF
1 stop20h 45mUnited Airlines
jue. 1/156:00 amSOF - ORD
1 stop17h 20mUnited Airlines
Deal found 12/15$610

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 diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$350
(Kiwi.com)

One-way from

$215
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$985
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. 1% potential increase in price ($10 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 diciembre 16, 2025.
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

mié. 1/28

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

mié. 2/4

7:55 am-5:14 pm

2 stops16h 19m

$351

NewarkSofia

EWR - SOF

EWRSOF

Newark

lun. 1/12

5:55 pm-6:00 pm

1 stop17h 05m

Sofia

lun. 1/19

6:45 pm-1:55 pm

1 stop26h 10m

$366

NewarkSofia

EWR - SOF

EWRSOF

Newark

mié. 1/14

6:05 pm-1:50 pm

1 stop12h 45m

Sofia

vie. 1/23

7:55 am-2:15 pm

1 stop13h 20m

$373

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 1/13

2:20 pm-1:15 pm

2 stops15h 55m

Sofia

mar. 1/20

7:55 am-9:32 am

2 stops32h 37m

$399

NewarkSofia

EWR - SOF

EWRSOF

Newark

dom. 1/11

10:35 pm-5:50 pm

1 stop12h 15m

Sofia

lun. 1/26

6:35 pm-8:25 pm

1 stop32h 50m

$401

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 1/19

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

mié. 2/4

2:00 pm-6:35 pm

1 stop11h 35m

$406

NewarkSofia

EWR - SOF

EWRSOF

Newark

lun. 1/12

2:30 pm-1:15 pm

2 stops15h 45m

Sofia

mar. 1/20

7:55 am-1:55 pm

1 stop13h 00m

$408

NewarkSofia

EWR - SOF

EWRSOF

Newark

lun. 1/12

7:55 pm-10:45 pm

2 stops19h 50m

Sofia

lun. 1/19

6:45 pm-1:55 pm

1 stop26h 10m

$408

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 1/7

6:00 am-11:50 am

2 stops22h 50m

Sofia

jue. 1/15

6:05 am-10:37 pm

2 stops23h 32m

$412

NewarkSofia

EWR - SOF

EWRSOF

Newark

dom. 4/5

7:36 am-12:05 pm

2 stops21h 29m

Sofia

mié. 5/13

6:10 am-7:39 am

2 stops32h 29m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 $233). Flying from USA to Sofia in May is currently the most expensive (average of $572). 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.

What is the cheapest time of day to fly from US to SOF?

Find hourly flight availability from USA to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

It’s optimal to fly from USA to Sofia at noon. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from USA to Sofia?

Use this chart to determine the cheapest time to fly round-trip from USA to Sofia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their USA to Sofia flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 16, 2025.
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.

Entertainment

7.1

Comfort

7.6

Food

7.2

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Comfort

7.6

Food

7.2

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Comfort

7.6

Food

7.2

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Comfort

7.6

Food

7.2

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Comfort

7.6

Food

7.2

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Entertainment

7.1

Comfort

7.6

Food

7.2

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 $401, Austrian Airlines can have you in Sofia from USA in 12h 15m. Airlines will cover a distance of 4721 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 $241. However, be on the lookout for offers from Air France and Turkish Airlines, 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 $233). Flying from USA to Sofia in May is currently the most expensive (average of $572). 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$356Average$796FlexibilityNo cancel feeOn-time70%
KLMCheapest$379Average$769FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$398Average$814FlexibilityNo cancel feeOn-time78%
SWISSCheapest$401Average$923FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$416Average$737FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$428Average$865FlexibilityNo cancel feeOn-time69%
LOTCheapest$437Average$878FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$449Average$914FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$478Average$984FlexibilityNo cancel feeOn-time62%
ITA AirwaysCheapest$505Average$1,062FlexibilityNo cancel feeOn-time81%

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