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?

Air Serbia, British Airways, and Lufthansa 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 Boston to Sofia takes 9h 55m on average. On the other hand, flying from New York to Sofia takes 11h 40m 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 August 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.

$229 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.

5:30 pm - 1:35 amEWR Newark-SOF Sofia

25h 05m2 stops Lisbon Humberto Delgado Barcelona-El Prat

9:40 pm - 9:00 pmSOF Sofia-EWR Newark

30h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$613Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

5:30 pm - 1:35 amEWR Newark-SOF Sofia

25h 05m2 stops Lisbon Humberto Delgado Barcelona-El Prat

9:40 pm - 9:00 pmSOF Sofia-EWR Newark

30h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$625Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

10:10 pm - 1:50 pmLAX Los Angeles-SOF Sofia

29h 40m1 stop Warsaw Frederic Chopin

2:35 pm - 8:10 pmSOF Sofia-LAX Los Angeles

15h 35m1 stop Warsaw Frederic Chopin

$674LOT

Wed, Feb 3 - Wed, Feb 10

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

33h 45m1 stop Warsaw Frederic Chopin

2:35 pm - 8:10 pmSOF Sofia-LAX Los Angeles

15h 35m1 stop Warsaw Frederic Chopin

$704LOT

Wed, Jan 20 - Wed, Feb 3

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

17h 00m1 stop Munich Franz Josef Strauss

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

16h 30m1 stop Frankfurt am Main

$721Lufthansa

Wed, Jan 6 - Wed, Jan 20

12:25 am - 8:55 pmEWR Newark-SOF Sofia

13h 30m1 stop Istanbul

9:40 am - 10:30 pmSOF Sofia-EWR Newark

19h 50m1 stop Istanbul

$724Turkish Airlines

Tue, Jan 5 - Wed, Feb 17

12:25 am - 3:10 pmEWR Newark-SOF Sofia

31h 45m1 stop Istanbul

9:40 am - 10:30 pmSOF Sofia-EWR Newark

19h 50m1 stop Istanbul

$724Turkish Airlines

Tue, Dec 1 - Tue, Dec 8

9:40 pm - 10:55 pmSFO San Francisco-SOF Sofia

15h 15m1 stop Munich Franz Josef Strauss

6:25 am - 12:35 pmSOF Sofia-SFO San Francisco

16h 10m1 stop Frankfurt am Main

$726Lufthansa

Mon, Dec 28 - Fri, Jan 29

8:59 pm - 8:10 pmORD Chicago O'Hare Intl-SOF Sofia

39h 11m2 stops Philadelphia London Heathrow

5:15 pm - 9:00 pmSOF Sofia-ORD Chicago O'Hare Intl

35h 45m2 stops London Heathrow New York John F Kennedy Intl

$731British Airways

Mon, Jan 25 - Mon, Feb 8

11:46 pm - 8:10 pmLAX Los Angeles-SOF Sofia

34h 24m2 stops Chicago O'Hare Intl London Heathrow

5:15 pm - 8:00 pmSOF Sofia-LAX Los Angeles

36h 45m2 stops London Heathrow New York John F Kennedy Intl

$738British Airways

Mon, Jan 25 - Mon, Feb 8

Recent last minute flight deals from the United States to Sofia

Enter your travel dates to find the best prices.

1:50 pm - 3:30 pmJFK New York John F Kennedy Intl-SOF Sofia

18h 40m1 stop Belgrade Nikola Tesla

4:00 pm - 11:55 amSOF Sofia-JFK New York John F Kennedy Intl

26h 55m1 stop Belgrade Nikola Tesla

$731Air Serbia

Tue, Sep 1 - Mon, Sep 14

12:30 am - 9:40 amJFK New York John F Kennedy Intl-SOF Sofia

26h 10m1 stop Rome Fiumicino

9:05 pm - 10:30 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 25m1 stop Rome Ciampino

$742Multiple Airlines

Mon, Aug 31 - Wed, Sep 9

12:30 am - 9:40 amJFK New York John F Kennedy Intl-SOF Sofia

26h 10m1 stop Rome Fiumicino

9:15 pm - 10:30 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 15m2 stops Bari Palese Rome Fiumicino

$744Multiple Airlines

Mon, Aug 31 - Wed, Sep 9

10:50 pm - 6:00 pmEWR Newark-SOF Sofia

12h 10m1 stop Warsaw Frederic Chopin

2:35 pm - 11:05 pmSOF Sofia-EWR Newark

15h 30m1 stop Warsaw Frederic Chopin

$781LOT

Tue, Sep 1 - Tue, Sep 8

10:20 pm - 6:00 pmJFK New York John F Kennedy Intl-SOF Sofia

12h 40m1 stop Warsaw Frederic Chopin

2:35 pm - 8:20 pmSOF Sofia-JFK New York John F Kennedy Intl

12h 45m1 stop Warsaw Frederic Chopin

$782LOT

Tue, Sep 1 - Fri, Oct 2

12:25 am - 8:45 amJFK New York John F Kennedy Intl-SOF Sofia

25h 20m1 stop Istanbul

3:50 pm - 10:55 amSOF Sofia-JFK New York John F Kennedy Intl

26h 05m1 stop Istanbul

$814Turkish Airlines

Thu, Aug 27 - Tue, Oct 6

7:30 pm - 3:30 pmJFK New York John F Kennedy Intl-SOF Sofia

13h 00m1 stop Belgrade Nikola Tesla

5:00 am - 5:30 pmSOF Sofia-JFK New York John F Kennedy Intl

19h 30m1 stop Belgrade Nikola Tesla

$826Air Serbia

Fri, Aug 28 - Sat, Oct 3

5:40 pm - 11:40 amEWR Newark-SOF Sofia

11h 00m1 stop Vienna Intl

12:55 pm - 9:59 pmSOF Sofia-EWR Newark

16h 04m2 stops Munich Franz Josef Strauss Boston Logan Intl

$832United Airlines

Tue, Sep 1 - Wed, Sep 9

5:15 pm - 12:10 pmEWR Newark-SOF Sofia

11h 55m1 stop Munich Franz Josef Strauss

12:55 pm - 9:59 pmSOF Sofia-EWR Newark

16h 04m2 stops Munich Franz Josef Strauss Boston Logan Intl

$845United Airlines

Mon, Aug 31 - Wed, Sep 9

9:40 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SOF Sofia

28h 05m1 stop Istanbul

3:50 pm - 7:45 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

34h 55m1 stop Istanbul

$872Turkish Airlines

Sat, Aug 29 - Tue, Oct 6

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LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Feb 3

LAX10:10 pmLos Angeles

29h 40m

1 stop

SOF1:50 pmSofia

Feb 10

SOF2:35 pmSofia

15h 35m

1 stop

LAX8:10 pmLos Angeles

$674

LOT

Jan 20

LAX10:10 pmLos Angeles

33h 45m

1 stop

SOF5:55 pmSofia

Feb 3

SOF2:35 pmSofia

15h 35m

1 stop

LAX8:10 pmLos Angeles

$704

LOT

Jan 22

LAX4:10 pmLos Angeles

15h 45m

1 stop

SOF5:55 pmSofia

Feb 5

SOF6:40 pmSofia

35h 30m

1 stop

LAX8:10 pmLos Angeles

$709

Lufthansa flights from United States to Sofia

Our best Lufthansa deals on United States to Sofia flight tickets

Lufthansa

Jan 6

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

Jan 20

SOF6:25 amSofia

16h 30m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$721

Lufthansa

Dec 28

SFO9:40 pmSan Francisco

15h 15m

1 stop

SOF10:55 pmSofia

Jan 29

SOF6:25 amSofia

16h 10m

1 stop

SFO12:35 pmSan Francisco

$726

Lufthansa

Nov 25

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

Dec 9

SOF6:25 amSofia

16h 30m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$730

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Mon 9/28

5:30 pm-1:35 am

2 stops25h 05m

Sofia

Wed 10/14

9:40 pm-9:00 pm

2 stops30h 20m

$613

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Mon 9/28

5:30 pm-1:35 am

2 stops25h 05m

Sofia

Wed 10/14

9:40 pm-9:00 pm

2 stops30h 20m

$625

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Wed 2/3

10:10 pm-1:50 pm

1 stop29h 40m

Sofia

Wed 2/10

2:35 pm-8:10 pm

1 stop15h 35m

$674

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Wed 1/20

10:10 pm-5:55 pm

1 stop33h 45m

Sofia

Wed 2/3

2:35 pm-8:10 pm

1 stop15h 35m

$704

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Wed 1/6

10:55 pm-10:55 pm

1 stop17h 00m

Sofia

Wed 1/20

6:25 am-3:55 pm

1 stop16h 30m

$721

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Tue 1/5

12:25 am-8:55 pm

1 stop13h 30m

Sofia

Wed 2/17

9:40 am-10:30 pm

1 stop19h 50m

$724

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Tue 12/1

12:25 am-3:10 pm

1 stop31h 45m

Sofia

Tue 12/8

9:40 am-10:30 pm

1 stop19h 50m

$724

Quickest round-trip

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Mon 12/28

9:40 pm-10:55 pm

1 stop15h 15m

Sofia

Fri 1/29

6:25 am-12:35 pm

1 stop16h 10m

$726

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 1/25

8:59 pm-8:10 pm

2 stops39h 11m

Sofia

Mon 2/8

5:15 pm-9:00 pm

2 stops35h 45m

$731

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Mon 1/25

11:46 pm-8:10 pm

2 stops34h 24m

Sofia

Mon 2/8

5:15 pm-8:00 pm

2 stops36h 45m

$738

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 $711 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	$229
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to Sofia from United States in the past 72 hours is $229. The best round-trip flight deal from United States to Sofia found on momondo in the last 72 hours is $613.

The fastest flight from United States to Sofia takes 9h 55m

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 August 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 1,565 reviews	Search KLM flights
Austrian Airlines	PriceFrom $387	Free Cancellation	Rating 7.6 951 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 10,127 reviews	Search United Airlines flights
Lufthansa	PriceFrom $396	Free Cancellation	Rating 6.8 8,222 reviews	Search Lufthansa flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,646 reviews	Search Air France flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,055 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,210 reviews	Search LOT flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,194 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,038 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 4,484 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.