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.

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 11h 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.

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

Air Serbia, British Airways, and Lufthansa are the most popular carriers operating from 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 September 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.

$222 Cheap Flights from the United States to Sofia in 2026

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.

11:00 pm - 7:50 pmEWR Newark-SOF Sofia

14h 50m1 stop Paris Orly

7:10 am - 10:10 pmSOF Sofia-EWR Newark

22h 00m2 stops Rome Fiumicino Lisbon Humberto Delgado

$644Multiple Airlines

Tue, Oct 27 - Sun, Nov 8

8:25 pm - 11:10 pmEWR Newark-SOF Sofia

19h 45m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

9:35 pm - 3:20 pmSOF Sofia-EWR Newark

24h 45m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$644Multiple Airlines

Tue, Oct 13 - Mon, Nov 23

11:25 am - 8:45 amORD Chicago O'Hare Intl-SOF Sofia

13h 20m1 stop Istanbul

4:00 pm - 11:00 amSOF Sofia-ORD Chicago O'Hare Intl

27h 00m1 stop Istanbul

$700Turkish Airlines

Thu, Oct 22 - Thu, Nov 5

8:10 pm - 8:45 amORD Chicago O'Hare Intl-SOF Sofia

28h 35m1 stop Istanbul

3:50 pm - 9:40 amSOF Sofia-ORD Chicago O'Hare Intl

25h 50m1 stop Istanbul

$700Turkish Airlines

Mon, Sep 21 - Wed, Oct 21

9:50 pm - 8:10 pmORD Chicago O'Hare Intl-SOF Sofia

14h 20m1 stop London Heathrow

9:05 pm - 1:45 pmSOF Sofia-ORD Chicago O'Hare Intl

24h 40m1 stop London Heathrow

$707British Airways

Tue, Dec 29 - Wed, Jan 13

4:10 pm - 5:55 pmLAX Los Angeles-SOF Sofia

15h 45m1 stop Warsaw Frederic Chopin

6:40 pm - 8:10 pmSOF Sofia-LAX Los Angeles

35h 30m1 stop Warsaw Frederic Chopin

$709LOT

Fri, Feb 26 - Fri, Mar 12

4:10 pm - 1:55 pmSFO San Francisco-SOF Sofia

35h 45m1 stop Warsaw Frederic Chopin

6:45 pm - 8:50 pmSOF Sofia-SFO San Francisco

36h 05m1 stop Warsaw Frederic Chopin

$713LOT

Thu, Oct 8 - Tue, Oct 20

10:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$715Lufthansa

Tue, Dec 1 - Tue, Dec 15

9:50 pm - 8:10 pmORD Chicago O'Hare Intl-SOF Sofia

14h 20m1 stop London Heathrow

9:05 pm - 7:43 pmSOF Sofia-ORD Chicago O'Hare Intl

30h 38m2 stops London Heathrow Toronto Pearson Intl

$715British Airways

Tue, Dec 29 - Wed, Jan 13

4:20 pm - 1:25 pmORD Chicago O'Hare Intl-SOF Sofia

13h 05m1 stop Frankfurt am Main

6:25 am - 1:10 pmSOF Sofia-ORD Chicago O'Hare Intl

14h 45m1 stop Frankfurt am Main

$716Lufthansa

Wed, Dec 30 - Wed, Jan 13

Recent last minute flight deals from the United States to Sofia

Enter your travel dates to find the best prices.

11:00 pm - 12:40 amEWR Newark-SOF Sofia

18h 40m1 stop Paris Orly

6:35 pm - 9:00 pmSOF Sofia-EWR Newark

33h 25m1 stop Paris Beauvais-Tille

$722Multiple Airlines

Sat, Sep 5 - Sun, Sep 20

6:20 pm - 12:50 amJFK New York John F Kennedy Intl-SOF Sofia

23h 30m1 stop London Gatwick

11:25 pm - 8:05 pmSOF Sofia-JFK New York John F Kennedy Intl

51h 40m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$752Multiple Airlines

Sun, Sep 6 - Tue, Sep 29

5:40 pm - 1:50 pmJFK New York John F Kennedy Intl-SOF Sofia

13h 10m1 stop Warsaw Frederic Chopin

6:45 pm - 3:40 pmSOF Sofia-JFK New York John F Kennedy Intl

27h 55m1 stop Warsaw Frederic Chopin

$771LOT

Sun, Sep 6 - Tue, Sep 29

5:40 pm - 1:50 pmJFK New York John F Kennedy Intl-SOF Sofia

13h 10m1 stop Warsaw Frederic Chopin

6:45 pm - 8:20 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 35m1 stop Warsaw Frederic Chopin

$777LOT

Sun, Sep 6 - Tue, Sep 29

9:45 pm - 6:20 pmJFK New York John F Kennedy Intl-SOF Sofia

13h 35m1 stop Vienna Intl

6:55 pm - 8:05 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 10m1 stop Vienna Intl

$824Austrian Airlines

Thu, Sep 3 - Wed, Sep 9

5:30 pm - 12:10 pmJFK New York John F Kennedy Intl-SOF Sofia

11h 40m1 stop Munich Franz Josef Strauss

12:55 pm - 12:50 pmSOF Sofia-JFK New York John F Kennedy Intl

30h 55m2 stops Munich Franz Josef Strauss Zurich

$837United Airlines

Sun, Sep 6 - Tue, Sep 29

9:45 pm - 11:40 amJFK New York John F Kennedy Intl-SOF Sofia

30h 55m1 stop Vienna Intl

6:10 am - 4:35 pmSOF Sofia-JFK New York John F Kennedy Intl

17h 25m2 stops Munich Franz Josef Strauss Zurich

$841United Airlines

Sun, Sep 6 - Tue, Sep 29

9:45 pm - 6:10 pmJFK New York John F Kennedy Intl-SOF Sofia

13h 25m1 stop Vienna Intl

6:55 pm - 8:05 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 10m1 stop Vienna Intl

$841Austrian Airlines

Sat, Sep 5 - Sun, Sep 20

5:30 pm - 6:40 pmJFK New York John F Kennedy Intl-SOF Sofia

18h 10m1 stop Munich Franz Josef Strauss

6:20 am - 8:05 pmSOF Sofia-JFK New York John F Kennedy Intl

20h 45m1 stop Frankfurt am Main

$848Lufthansa

Sat, Sep 5 - Sat, Sep 19

6:00 pm - 10:40 pmEWR Newark-SOF Sofia

21h 40m1 stop Frankfurt am Main

7:25 pm - 6:45 pmSOF Sofia-EWR Newark

30h 20m1 stop Munich Franz Josef Strauss

$855Lufthansa

Thu, Sep 3 - Wed, Sep 9

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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

Oct 25

JFK9:00 pmNew York John F Kennedy Intl

12h 30m

1 stop

SOF3:30 pmSofia

Nov 14

SOF4:00 pmSofia

32h 40m

1 stop

JFK5:40 pmNew York John F Kennedy Intl

$767

Air Serbia

Sep 7

ORD4:40 pmChicago O'Hare Intl

14h 35m

1 stop

SOF3:15 pmSofia

Sep 14

SOF5:00 amSofia

17h 30m

1 stop

ORD2:30 pmChicago O'Hare Intl

$867

Air Serbia

Sep 5

ORD11:20 pmChicago O'Hare Intl

19h 40m

1 stop

SOF3:00 amSofia

Sep 26

SOF5:00 amSofia

24h 15m

1 stop

ORD9:15 pmChicago O'Hare Intl

$870

SWISS flights from United States to Sofia

Our best SWISS deals on United States to Sofia flight tickets

SWISS

Nov 8

JFK4:25 pmNew York John F Kennedy Intl

14h 50m

1 stop

SOF2:15 pmSofia

Nov 16

SOF3:00 pmSofia

29h 15m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$772

SWISS

Feb 28

JFK4:25 pmNew York John F Kennedy Intl

13h 50m

2 stops

SOF1:15 pmSofia

Mar 14

SOF11:15 amSofia

33h 00m

1 stop

JFK2:15 pmNew York John F Kennedy Intl

$781

SWISS

Oct 24

JFK5:25 pmNew York John F Kennedy Intl

11h 05m

1 stop

SOF11:30 amSofia

Nov 9

SOF3:00 pmSofia

29h 15m

1 stop

JFK1:15 pmNew York John F Kennedy Intl

$782

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Tue 10/27

11:00 pm-7:50 pm

1 stop14h 50m

Sofia

Sun 11/8

7:10 am-10:10 pm

2 stops22h 00m

$644

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Tue 10/13

8:25 pm-11:10 pm

2 stops19h 45m

Sofia

Mon 11/23

9:35 pm-3:20 pm

2 stops24h 45m

$644

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Thu 10/22

11:25 am-8:45 am

1 stop13h 20m

Sofia

Thu 11/5

4:00 pm-11:00 am

1 stop27h 00m

$700

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 9/21

8:10 pm-8:45 am

1 stop28h 35m

Sofia

Wed 10/21

3:50 pm-9:40 am

1 stop25h 50m

$700

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Tue 12/29

9:50 pm-8:10 pm

1 stop14h 20m

Sofia

Wed 1/13

9:05 pm-1:45 pm

1 stop24h 40m

$707

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Fri 2/26

4:10 pm-5:55 pm

1 stop15h 45m

Sofia

Fri 3/12

6:40 pm-8:10 pm

1 stop35h 30m

$709

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Thu 10/8

4:10 pm-1:55 pm

1 stop35h 45m

Sofia

Tue 10/20

6:45 pm-8:50 pm

1 stop36h 05m

$713

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 12/1

10:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 12/15

6:25 am-3:55 pm

1 stop16h 30m

$715

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Tue 12/29

9:50 pm-8:10 pm

1 stop14h 20m

Sofia

Wed 1/13

9:05 pm-7:43 pm

2 stops30h 38m

$715

Quickest round-trip

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 12/30

4:20 pm-1:25 pm

1 stop13h 05m

Sofia

Wed 1/13

6:25 am-1:10 pm

1 stop14h 45m

$716

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 $597, 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 $616.

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 $721 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 $601 on momondo.

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

You could potentially save up to 35% 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	$222
Fastest flight time	11h 25m
Direct flights	None

The best one-way flight to Sofia from United States in the past 72 hours is $222. The best round-trip flight deal from United States to Sofia found on momondo in the last 72 hours is $644.

The fastest flight from United States to Sofia takes 11h 25m

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 September 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
KLM	PriceFrom $380	Free Cancellation	Rating 7.8 1,570 reviews	Search KLM flights
Austrian Airlines	PriceFrom $387	Free Cancellation	Rating 7.6 949 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 10,159 reviews	Search United Airlines flights
Air France	PriceFrom $394	Free Cancellation	Rating 7.5 1,645 reviews	Search Air France flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,060 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,207 reviews	Search LOT flights
Lufthansa	PriceFrom $415	Free Cancellation	Rating 6.8 8,230 reviews	Search Lufthansa flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,196 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,036 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 4,479 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.