What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sofia from United States according to our data. Lufthansa is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 12 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from United States to Sofia?

British Airways, Turkish Airlines, and United Airlines are the most popular carriers operating from United States to Sofia

How long does it take to fly to Sofia?

Flight times vary depending on what airport in United States you fly out of and what airport in Sofia you fly into. For example, flying from New York to Sofia takes 10h 40m on average. On the other hand, flying from Boston to Sofia takes 12h 10m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from United States to Sofia Airport?

Prices for flights from United States to Sofia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Sofia Airport?

As of November 2026, there are 12 operators available to choose from for flights from United States to Sofia Airport.

How old do you have to be to fly from United States to Sofia Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$266 Cheap Flights from the United States to Sofia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Sofia

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to Sofia

Enter your travel dates to find the best prices.

10:10 pm - 1:50 pmBOS Boston Logan Intl-SOF Sofia

32h 40m3 stops Lisbon Humberto Delgado Madrid Barajas Warsaw Frederic Chopin

10:40 am - 2:45 pmSOF Sofia-BOS Boston Logan Intl

35h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

$628Multiple Airlines

Mon, Nov 30 - Mon, Dec 14

6:00 pm - 5:00 pmBOS Boston Logan Intl-SOF Sofia

16h 00m2 stops Lisbon Humberto Delgado Madrid Barajas

10:40 am - 2:45 pmSOF Sofia-BOS Boston Logan Intl

35h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

$630Multiple Airlines

Mon, Nov 30 - Mon, Dec 14

10:35 am - 8:45 amMIA Miami-SOF Sofia

15h 10m1 stop Istanbul

9:10 pm - 8:35 pmSOF Sofia-MIA Miami

30h 25m1 stop Istanbul

$665Turkish Airlines

Wed, Apr 14 - Tue, Apr 20

10:35 am - 8:45 amMIA Miami-SOF Sofia

15h 10m1 stop Istanbul

9:10 pm - 8:35 pmSOF Sofia-MIA Miami

30h 25m1 stop Istanbul

$668Turkish Airlines

Wed, Apr 14 - Tue, Apr 20

9:50 pm - 1:50 pmORD Chicago O'Hare Intl-SOF Sofia

32h 00m1 stop Warsaw Frederic Chopin

2:35 pm - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 20m1 stop Warsaw Frederic Chopin

$694LOT

Tue, Mar 2 - Wed, Mar 10

9:50 pm - 1:50 pmORD Chicago O'Hare Intl-SOF Sofia

32h 00m1 stop Warsaw Frederic Chopin

2:35 pm - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

13h 20m1 stop Warsaw Frederic Chopin

$694LOT

Tue, Jan 19 - Wed, Feb 24

7:05 pm - 10:20 amORD Chicago O'Hare Intl-SOF Sofia

31h 15m1 stop Zurich

3:50 pm - 3:55 pmSOF Sofia-ORD Chicago O'Hare Intl

32h 05m1 stop Zurich

$694SWISS

Mon, Apr 5 - Mon, Apr 19

3:35 pm - 6:45 pmORD Chicago O'Hare Intl-SOF Sofia

19h 10m1 stop Munich Franz Josef Strauss

6:20 am - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

21h 35m1 stop Frankfurt am Main

$695Lufthansa

Wed, Apr 7 - Wed, Apr 14

9:40 pm - 11:05 pmORD Chicago O'Hare Intl-SOF Sofia

17h 25m1 stop Munich Franz Josef Strauss

1:55 pm - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

$695Lufthansa

Wed, Mar 31 - Wed, Apr 14

7:35 pm - 3:05 pmSFO San Francisco-SOF Sofia

33h 30m1 stop Zurich

11:05 am - 4:15 pmSOF Sofia-SFO San Francisco

15h 10m1 stop Zurich

$703SWISS

Wed, Apr 28 - Wed, May 12

Recent last minute flight deals from the United States to Sofia

Enter your travel dates to find the best prices.

10:25 am - 8:40 amMIA Miami-SOF Sofia

15h 15m1 stop Istanbul

4:00 pm - 7:10 amSOF Sofia-MIA Miami

22h 10m1 stop Istanbul

$707Turkish Airlines

Mon, Nov 9 - Tue, Nov 24

10:25 am - 8:40 amMIA Miami-SOF Sofia

15h 15m1 stop Istanbul

9:45 pm - 7:10 amSOF Sofia-MIA Miami

16h 25m1 stop Istanbul

$720Turkish Airlines

Mon, Nov 9 - Tue, Nov 24

10:35 pm - 5:55 pmEWR Newark-SOF Sofia

12h 20m1 stop Warsaw Frederic Chopin

2:35 pm - 8:25 pmSOF Sofia-EWR Newark

12h 50m1 stop Warsaw Frederic Chopin

$740LOT

Sun, Nov 8 - Tue, Nov 10

10:35 pm - 5:55 pmJFK New York John F Kennedy Intl-SOF Sofia

12h 20m1 stop Warsaw Frederic Chopin

2:35 pm - 8:35 pmSOF Sofia-JFK New York John F Kennedy Intl

13h 00m1 stop Warsaw Frederic Chopin

$757LOT

Sat, Nov 7 - Sat, Nov 14

5:30 pm - 1:15 pmJFK New York John F Kennedy Intl-SOF Sofia

12h 45m1 stop Munich Franz Josef Strauss

7:55 am - 2:15 pmSOF Sofia-JFK New York John F Kennedy Intl

13h 20m1 stop Vienna Intl

$775Multiple Airlines

Thu, Nov 5 - Tue, Nov 17

5:55 pm - 11:50 amEWR Newark-SOF Sofia

10h 55m1 stop Vienna Intl

7:55 am - 2:15 pmSOF Sofia-EWR Newark

13h 20m1 stop Vienna Intl

$779Austrian Airlines

Thu, Nov 5 - Tue, Nov 17

5:55 pm - 11:50 amEWR Newark-SOF Sofia

10h 55m1 stop Vienna Intl

7:55 am - 2:15 pmSOF Sofia-EWR Newark

13h 20m1 stop Vienna Intl

$782Austrian Airlines

Wed, Nov 4 - Tue, Nov 10

8:10 pm - 8:55 pmBOS Boston Logan Intl-SOF Sofia

17h 45m2 stops New York John F Kennedy Intl Istanbul

9:45 pm - 6:05 pmSOF Sofia-BOS Boston Logan Intl

27h 20m1 stop Istanbul

$785Multiple Airlines

Sun, Nov 8 - Tue, Dec 1

5:30 pm - 1:15 pmJFK New York John F Kennedy Intl-SOF Sofia

12h 45m1 stop Munich Franz Josef Strauss

6:25 am - 1:35 pmSOF Sofia-JFK New York John F Kennedy Intl

14h 10m1 stop Frankfurt am Main

$793Lufthansa

Fri, Nov 6 - Mon, Nov 9

5:30 pm - 6:20 pmJFK New York John F Kennedy Intl-SOF Sofia

17h 50m1 stop Munich Franz Josef Strauss

6:00 am - 3:40 pmSOF Sofia-JFK New York John F Kennedy Intl

16h 40m1 stop Munich Franz Josef Strauss

$798Lufthansa

Wed, Nov 4 - Tue, Nov 10

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Air Serbia flights from United States to Sofia

Our best Air Serbia deals on United States to Sofia flight tickets

Air Serbia

Nov 26

JFK1:55 pmNew York John F Kennedy Intl

18h 35m

1 stop

SOF3:30 pmSofia

Dec 9

SOF4:00 pmSofia

26h 45m

1 stop

JFK11:45 amNew York John F Kennedy Intl

$714

Air Serbia

Nov 26

JFK1:55 pmNew York John F Kennedy Intl

18h 35m

1 stop

SOF3:30 pmSofia

Dec 9

SOF4:00 pmSofia

26h 45m

1 stop

JFK11:45 amNew York John F Kennedy Intl

$724

Air Serbia

Nov 26

JFK1:55 pmNew York John F Kennedy Intl

18h 35m

1 stop

SOF3:30 pmSofia

Dec 9

SOF4:00 pmSofia

26h 45m

1 stop

JFK11:45 amNew York John F Kennedy Intl

$726

Turkish Airlines flights from United States to Sofia

Our best Turkish Airlines deals on United States to Sofia flight tickets

Turkish Airlines

Apr 14

MIA10:35 amMiami

15h 10m

1 stop

SOF8:45 amSofia

Apr 20

SOF9:10 pmSofia

30h 25m

1 stop

MIA8:35 pmMiami

$665

Turkish Airlines

Apr 14

MIA10:35 amMiami

15h 10m

1 stop

SOF8:45 amSofia

Apr 20

SOF9:10 pmSofia

30h 25m

1 stop

MIA8:35 pmMiami

$668

Turkish Airlines

Dec 1

IAD1:30 pmWashington, D.C. Dulles Intl

12h 10m

1 stop

SOF8:40 amSofia

Dec 8

SOF9:30 amSofia

16h 55m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

$687

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Mon 11/30

10:10 pm-1:50 pm

3 stops32h 40m

Sofia

Mon 12/14

10:40 am-2:45 pm

2 stops35h 05m

$628

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Mon 11/30

6:00 pm-5:00 pm

2 stops16h 00m

Sofia

Mon 12/14

10:40 am-2:45 pm

2 stops35h 05m

$630

MiamiSofia

MIA Miami - SOF Sofia

MIASOF

Miami

Wed 4/14

10:35 am-8:45 am

1 stop15h 10m

Sofia

Tue 4/20

9:10 pm-8:35 pm

1 stop30h 25m

$665

MiamiSofia

MIA Miami - SOF Sofia

MIASOF

Miami

Wed 4/14

10:35 am-8:45 am

1 stop15h 10m

Sofia

Tue 4/20

9:10 pm-8:35 pm

1 stop30h 25m

$668

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Tue 3/2

9:50 pm-1:50 pm

1 stop32h 00m

Sofia

Wed 3/10

2:35 pm-7:55 pm

1 stop13h 20m

$694

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Tue 1/19

9:50 pm-1:50 pm

1 stop32h 00m

Sofia

Wed 2/24

2:35 pm-7:55 pm

1 stop13h 20m

$694

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 4/5

7:05 pm-10:20 am

1 stop31h 15m

Sofia

Mon 4/19

3:50 pm-3:55 pm

1 stop32h 05m

$694

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 4/7

3:35 pm-6:45 pm

1 stop19h 10m

Sofia

Wed 4/14

6:20 am-7:55 pm

1 stop21h 35m

$695

Quickest round-trip

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 3/31

9:40 pm-11:05 pm

1 stop17h 25m

Sofia

Wed 4/14

1:55 pm-7:55 pm

1 stop14h 00m

$695

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 4/28

7:35 pm-3:05 pm

1 stop33h 30m

Sofia

Wed 5/12

11:05 am-4:15 pm

1 stop15h 10m

$703

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from United States is in February. Flight prices, which tend to average around $601, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from United States during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $632.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $765 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from United States for as low as $711 on momondo.

Can stopping save me money on United States to Sofia flights?

You could potentially save up to 41% on your flight if you consider stops on a United States to Sofia flight.

Cheap United States to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Sofia

Best Price Found	$266
Fastest flight time	10h 40m
Direct flights	None

The best one-way flight to Sofia from United States in the past 72 hours is $266. The best round-trip flight deal from United States to Sofia found on momondo in the last 72 hours is $628.

The fastest flight from United States to Sofia takes 10h 40m

There are no direct flights from United States to Sofia. There are no popular flight routes from United States to Sofia.

Search flight deals

Frequently asked questions about flying from the United States to Sofia

When did momondo last update prices for flights from United States to Sofia Airport?
Prices for flights from United States to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Sofia Airport?
As of November 2026, there are 12 operators available to choose from for flights from United States to Sofia Airport.
How old do you have to be to fly from United States to Sofia Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The necessary travel and health documents for your Sofia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United States to Sofia

Compare and see reviews for airlines that fly from United States to Sofia with momondo

Airline	Rating	Free Cancellation	Price
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.5 981 reviews	Search Austrian Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
United Airlines	PriceFrom $397	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,107 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,191 reviews	Search LOT flights
Lufthansa	PriceFrom $418	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
British Airways	PriceFrom $430	Free Cancellation	Rating 6.7 8,282 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,065 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 4,466 reviews	Search Turkish Airlines flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from United States to Sofia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Sofia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United States to Sofia with flexible booking policies on momondo?

Yes. All flights to Sofia from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Sofia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sofia from United States.

I’m not ready to book a flight from United States to Sofia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sofia from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.