Sofia

$222+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Jun 21 — Jun 281
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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 June 16, 2025.

Round-trip from

$551
(Travelocity)

One-way from

$222
(Connections by easyJet)

Popular in

December

Cheapest in

November

Average price

$942
From USA to Sofia
One-way flight from USA to Sofia
Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 16, 2025.

This Air France deal was found by Cheapflights users on 6/16. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:57 pmBOS - SOF
1 stop12h 03mAir France
Tue 8/197:00 amSOF - BOS
1 stop13h 40mAir France
Deal found 6/16$530
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Mon 9/83:15 pmBOS - SOF
2 stops14h 45mAir Canada
Fri 9/191:50 pmSOF - BOS
2 stops27h 05mAir Canada
Deal found 6/16$541
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/128:05 pmBOS - SOF
1 stop19h 55mUnited Airlines
Tue 8/196:20 amSOF - BOS
2 stops18h 20mUnited Airlines
Deal found 6/16$543
This British Airways deal was found by Cheapflights users on 6/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:25 amBOS - SOF
1 stop29h 55mBritish Airways
Fri 10/172:20 pmSOF - BOS
1 stop15h 20mBritish Airways
Deal found 6/16$549
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 9/111:00 pmBOS - SOF
1 stop13h 40mMultiple Airlines
Tue 9/308:10 pmSOF - BOS
2 stops32h 05mMultiple Airlines
Deal found 6/16$560
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/168:50 pmBOS - SOF
2 stops32h 15mITA Airways
Sun 9/76:00 pmSOF - BOS
1 stop26h 40mITA Airways
Deal found 6/14$570
This KLM deal was found by Cheapflights users on 6/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:45 pmBOS - SOF
1 stop12h 15mKLM
Sat 10/117:00 amSOF - BOS
1 stop13h 40mKLM
Deal found 6/13$578
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:05 amLGA - SOF
2 stops22h 55mAir Canada
Wed 8/206:15 amSOF - LGA
2 stops32h 47mAir Canada
Deal found 6/14$599
This Air Canada deal was found by Cheapflights users on 6/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:20 pmSEA - SOF
2 stops36h 00mAir Canada
Wed 11/196:15 amSOF - SEA
3 stops25h 51mAir Canada
Deal found 6/13$599
This Air Canada deal was found by Cheapflights users on 6/16. 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.
Wed 8/139:00 amJFK - SOF
2 stops25h 50mAir Canada
Tue 8/266:20 amSOF - JFK
2 stops22h 27mAir Canada
Deal found 6/16$599
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:35 amJFK - SOF
1 stop31h 10mTurkish Airlines
Thu 9/183:35 pmSOF - JFK
1 stop26h 20mTurkish Airlines
Deal found 6/14$600
This ITA Airways deal was found by Cheapflights users on 6/14. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:40 pmJFK - SOF
1 stop11h 25mITA Airways
Mon 10/2012:55 pmSOF - JFK
1 stop13h 00mITA Airways
Deal found 6/14$602

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 June 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

Tue 8/12

6:57 pm-2:00 pm

1 stop12h 03m

Sofia

Tue 8/19

7:00 am-1:40 pm

1 stop13h 40m

$530

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 9/8

3:15 pm-1:00 pm

2 stops14h 45m

Sofia

Fri 9/19

1:50 pm-9:55 am

2 stops27h 05m

$541

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 8/12

8:05 pm-11:00 pm

1 stop19h 55m

Sofia

Tue 8/19

6:20 am-5:40 pm

2 stops18h 20m

$543

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sat 9/27

7:25 am-8:20 pm

1 stop29h 55m

Sofia

Fri 10/17

2:20 pm-10:40 pm

1 stop15h 20m

$549

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 9/1

11:00 pm-7:40 pm

1 stop13h 40m

Sofia

Tue 9/30

8:10 pm-9:15 pm

2 stops32h 05m

$560

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sat 8/16

8:50 pm-12:05 pm

2 stops32h 15m

Sofia

Sun 9/7

6:00 pm-1:40 pm

1 stop26h 40m

$570

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Fri 10/3

6:45 pm-2:00 pm

1 stop12h 15m

Sofia

Sat 10/11

7:00 am-1:40 pm

1 stop13h 40m

$578

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 8/4

7:05 am-1:00 pm

2 stops22h 55m

Sofia

Wed 8/20

6:15 am-8:02 am

2 stops32h 47m

$599

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sat 11/8

8:20 pm-6:20 pm

2 stops36h 00m

Sofia

Wed 11/19

6:15 am-10:06 pm

3 stops25h 51m

$599

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Tue 9/2

12:35 am-2:45 pm

1 stop31h 10m

Sofia

Thu 9/18

3:35 pm-10:55 am

1 stop26h 20m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 60 results
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The best insider tips for theUnited States to Sofia flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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

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, November is the cheapest month in which you can book a flight from USA to Sofia (average of $632). Flying from USA to Sofia in June is currently the most expensive (average of $1,203). 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 June 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Sofia as you normally would.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 16, 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, Emirates and KLM from USA to Sofia to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Entertainment

7.0

Comfort

7.9

Food

7.4

Overall

8.2

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

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

    The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as $351. However, be on the lookout for offers from United Airlines and Air Serbia, 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, November is the cheapest month in which you can book a flight from USA to Sofia (average of $632). Flying from USA to Sofia in June is currently the most expensive (average of $1,203). 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$401Average$840FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$416Average$754FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$510Average$800FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$512Average$769FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$530Average$1,117FlexibilityNo cancel feeOn-time81%
LOTCheapest$561Average$918FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$567Average$991FlexibilityNo cancel feeOn-time76%
KLMCheapest$568Average$882FlexibilityNo cancel feeOn-time75%
Air SerbiaCheapest$574Average$991FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$578Average$929FlexibilityNo cancel feeOn-time69%

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