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 43% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 14 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?

Austrian Airlines, Lufthansa, and British Airways 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 10h 15m on average. On the other hand, flying from New York to Sofia takes 10h 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 January 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.

$169 Cheap Flights from the United States to Sofia in 2026

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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.

2:20 pm - 1:15 pm

BOS

SOF

15h 55m2 stops

2:00 pm - 6:35 pm

SOF

BOS

11h 35m1 stop

$338Lufthansa

Wed, Feb 4 - Wed, Feb 11

2:20 pm - 1:15 pm

BOS

SOF

15h 55m2 stops

2:00 pm - 6:35 pm

SOF

BOS

11h 35m1 stop

$340Lufthansa

Tue, Feb 3 - Tue, Feb 10

3:45 pm - 6:10 pm

JFK

SOF

43h 25m2 stops

2:20 pm - 1:35 pm

SOF

JFK

30h 15m1 stop

$481United Airlines

Sat, May 2 - Mon, Sep 28

2:55 pm - 1:50 pm

LGA

SOF

15h 55m2 stops

6:05 am - 6:42 pm

SOF

LGA

19h 37m2 stops

$484United Airlines

Thu, Jan 29 - Thu, Feb 12

7:00 am - 2:00 pm

SFO

SOF

21h 00m2 stops

7:00 am - 7:54 pm

SOF

SFO

22h 54m2 stops

$515KLM

Tue, Apr 7 - Tue, Apr 21

1:45 pm - 2:00 pm

SFO

SOF

14h 15m1 stop

7:00 am - 8:02 pm

SOF

SFO

23h 02m2 stops

$530KLM

Wed, Apr 29 - Tue, Oct 6

7:35 pm - 1:50 pm

MIA

SOF

35h 15m1 stop

2:35 pm - 5:35 pm

SOF

MIA

34h 00m1 stop

$531LOT

Sun, Feb 8 - Sun, Feb 22

9:55 pm - 1:50 pm

ORD

SOF

31h 55m2 stops

6:35 pm - 8:55 pm

SOF

ORD

33h 20m2 stops

$541LOT

Sun, Feb 1 - Sun, Mar 22

7:50 pm - 8:15 pm

ORD

SOF

16h 25m1 stop

3:50 pm - 6:15 pm

SOF

ORD

34h 25m1 stop

$547Turkish Airlines

Thu, Apr 23 - Sun, May 31

11:50 am - 8:50 pm

ORD

SOF

25h 00m1 stop

9:35 am - 10:05 am

SOF

ORD

32h 30m1 stop

$551Turkish Airlines

Tue, Jan 20 - Sun, Feb 8

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Feb 4

EWR11:10 pmNewark

11h 40m

1 stop

SOF5:50 pmSofia

Feb 18

SOF2:35 pmSofia

13h 25m

1 stop

EWR9:00 pmNewark

$380

LOT

Feb 1

EWR10:35 pmNewark

12h 15m

1 stop

SOF5:50 pmSofia

Feb 11

SOF2:35 pmSofia

13h 25m

1 stop

EWR9:00 pmNewark

$385

LOT

Jan 29

EWR10:35 pmNewark

32h 15m

1 stop

SOF1:50 pmSofia

Feb 12

SOF2:35 pmSofia

12h 50m

1 stop

EWR8:25 pmNewark

$431

Austrian Airlines flights from United States to Sofia

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

Austrian Airlines

Jan 25

EWR5:55 pmNewark

10h 55m

1 stop

SOF11:50 amSofia

Feb 9

SOF6:45 pmSofia

26h 10m

1 stop

EWR1:55 pmNewark

$355

Austrian Airlines

Apr 7

BOS5:10 pmBoston Logan Intl

11h 30m

1 stop

SOF11:40 amSofia

Apr 21

SOF6:55 pmSofia

25h 55m

1 stop

BOS1:50 pmBoston Logan Intl

$357

Austrian Airlines

Jan 18

EWR5:55 pmNewark

10h 55m

1 stop

SOF11:50 amSofia

Feb 2

SOF6:45 pmSofia

26h 10m

1 stop

EWR1:55 pmNewark

$358

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 2/4

2:20 pm-1:15 pm

2 stops15h 55m

Sofia

Wed 2/11

2:00 pm-6:35 pm

1 stop11h 35m

$338

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/3

2:20 pm-1:15 pm

2 stops15h 55m

Sofia

Tue 2/10

2:00 pm-6:35 pm

1 stop11h 35m

$340

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sat 5/2

3:45 pm-6:10 pm

2 stops43h 25m

Sofia

Mon 9/28

2:20 pm-1:35 pm

1 stop30h 15m

$481

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Thu 1/29

2:55 pm-1:50 pm

2 stops15h 55m

Sofia

Thu 2/12

6:05 am-6:42 pm

2 stops19h 37m

$484

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 4/7

7:00 am-2:00 pm

2 stops21h 00m

Sofia

Tue 4/21

7:00 am-7:54 pm

2 stops22h 54m

$515

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 4/29

1:45 pm-2:00 pm

1 stop14h 15m

Sofia

Tue 10/6

7:00 am-8:02 pm

2 stops23h 02m

$530

MiamiSofia

MIA - SOF

MIASOF

Miami

Sun 2/8

7:35 pm-1:50 pm

1 stop35h 15m

Sofia

Sun 2/22

2:35 pm-5:35 pm

1 stop34h 00m

$531

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 2/1

9:55 pm-1:50 pm

2 stops31h 55m

Sofia

Sun 3/22

6:35 pm-8:55 pm

2 stops33h 20m

$541

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 4/23

7:50 pm-8:15 pm

1 stop16h 25m

Sofia

Sun 5/31

3:50 pm-6:15 pm

1 stop34h 25m

$547

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 1/20

11:50 am-8:50 pm

1 stop25h 00m

Sofia

Sun 2/8

9:35 am-10:05 am

1 stop32h 30m

$551

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 November. Flight prices, which tend to average around $516, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from United States during September instead. Flights to Sofia in September, while not as cheap as those in November, still average around $587.

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 $704 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 $652 on momondo.

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

You could potentially save up to 17% 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

Fastest flight time	10h 15m
Direct flights	None

The fastest flight from United States to Sofia takes 10h 15m

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

Search flight deals

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 January 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
British Airways	PriceFrom $356	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.6 889 reviews	Search Austrian Airlines flights
SWISS	PriceFrom $401	Free Cancellation	Rating 7.5 1,840 reviews	Search SWISS flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,519 reviews	Search Air France flights
United Airlines	PriceFrom $422	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
LOT	PriceFrom $437	Free Cancellation	Rating 7.5 1,168 reviews	Search LOT flights
Lufthansa	PriceFrom $446	Free Cancellation	Rating 6.8 7,692 reviews	Search Lufthansa flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,126 reviews	Search ITA Airways 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.