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, United Airlines, and Air Serbia 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.

$279 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.

12:10 am - 2:20 pmEWR Newark-SOF Sofia

31h 10m2 stops Lisbon Humberto Delgado Rome Fiumicino

7:00 pm - 3:20 pmSOF Sofia-EWR Newark

27h 20m2 stops Berlin Brandenburg Lisbon Humberto Delgado

$621Multiple Airlines

Sun, Nov 29 - Mon, Dec 14

12:10 am - 2:20 pmEWR Newark-SOF Sofia

31h 10m2 stops Lisbon Humberto Delgado Rome Fiumicino

6:30 am - 10:10 pmSOF Sofia-EWR Newark

22h 40m3 stops Bergamo Orio Al Serio Madrid Barajas Lisbon Humberto Delgado

$633Multiple Airlines

Sun, Nov 29 - Mon, Dec 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

$691LOT

Wed, Mar 3 - Wed, Mar 10

4:35 pm - 2:00 amLAX Los Angeles-SOF Sofia

23h 25m1 stop Warsaw Frederic Chopin

5:30 am - 2:35 pmSOF Sofia-LAX Los Angeles

19h 05m1 stop Warsaw Frederic Chopin

$691LOT

Wed, Apr 14 - Wed, Apr 28

8:05 pm - 8:45 amORD Chicago O'Hare Intl-SOF Sofia

28h 40m1 stop Istanbul

3:55 pm - 6:10 pmSOF Sofia-ORD Chicago O'Hare Intl

34h 15m1 stop Istanbul

$694Turkish Airlines

Mon, Apr 26 - Thu, Jun 10

9:50 pm - 6:20 pmORD Chicago O'Hare Intl-SOF Sofia

12h 30m1 stop Munich Franz Josef Strauss

6:25 am - 2:10 pmSOF Sofia-ORD Chicago O'Hare Intl

14h 45m1 stop Frankfurt am Main

$695Lufthansa

Wed, Mar 10 - Wed, Mar 24

9:40 pm - 6:45 pmORD Chicago O'Hare Intl-SOF Sofia

13h 05m1 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, Apr 7 - Wed, Apr 21

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

$696SWISS

Wed, Apr 14 - Wed, Apr 28

9:20 pm - 10:50 amIAD Washington, D.C. Dulles Intl-SOF Sofia

30h 30m1 stop Istanbul

9:30 am - 11:45 amSOF Sofia-IAD Washington, D.C. Dulles Intl

33h 15m1 stop Istanbul

$697Turkish Airlines

Wed, Dec 2 - Wed, Dec 16

7:35 pm - 10:20 amLAX Los Angeles-SOF Sofia

28h 45m1 stop Zurich

1:30 pm - 4:30 pmSOF Sofia-LAX Los Angeles

37h 00m1 stop Zurich

$698SWISS

Tue, Apr 13 - Tue, Apr 27

Recent last minute flight deals from the United States to Sofia

Enter your travel dates to find the best prices.

1:30 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

18h 40m1 stop Istanbul

9:30 am - 11:45 amSOF Sofia-IAD Washington, D.C. Dulles Intl

33h 15m1 stop Istanbul

$699Turkish Airlines

Mon, Nov 16 - Tue, Dec 1

8:00 pm - 3:10 pmBOS Boston Logan Intl-SOF Sofia

12h 10m1 stop Istanbul

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

27h 20m1 stop Istanbul

$737Turkish Airlines

Mon, Nov 16 - Tue, Dec 1

9:42 am - 8:40 amBOS Boston Logan Intl-SOF Sofia

15h 58m2 stops New York John F Kennedy Intl Istanbul

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

27h 20m1 stop Istanbul

$745Multiple Airlines

Mon, Nov 16 - Tue, Dec 1

9:42 am - 8:40 amBOS Boston Logan Intl-SOF Sofia

15h 58m2 stops New York John F Kennedy Intl Istanbul

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

27h 20m1 stop Istanbul

$763Multiple Airlines

Mon, Nov 16 - Tue, Dec 1

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

$775Austrian Airlines

Sat, Nov 14 - Wed, Dec 16

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

$776Austrian Airlines

Wed, Nov 18 - Tue, Nov 24

9:00 pm - 3:25 pmJFK New York John F Kennedy Intl-SOF Sofia

11h 25m1 stop Zurich

3:00 pm - 1:15 pmSOF Sofia-JFK New York John F Kennedy Intl

29h 15m1 stop Zurich

$784SWISS

Wed, Nov 18 - Mon, Nov 23

9:00 pm - 3:25 pmJFK New York John F Kennedy Intl-SOF Sofia

11h 25m1 stop Zurich

3:00 pm - 4:40 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 40m1 stop Zurich

$786SWISS

Wed, Nov 18 - Mon, Dec 21

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

12h 20m1 stop Warsaw Frederic Chopin

2:35 pm - 9:00 pmSOF Sofia-EWR Newark

13h 25m1 stop Warsaw Frederic Chopin

$787LOT

Tue, Nov 17 - Wed, Nov 25

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

12h 20m1 stop Warsaw Frederic Chopin

2:35 pm - 9:00 pmSOF Sofia-EWR Newark

13h 25m1 stop Warsaw Frederic Chopin

$787LOT

Sun, Nov 15 - Wed, Nov 25

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from United States to Sofia

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

United Airlines

Apr 4

ORD5:55 pmChicago O'Hare Intl

21h 10m

1 stop

SOF11:05 pmSofia

Apr 8

SOF6:20 amSofia

12h 40m

1 stop

ORD11:00 amChicago O'Hare Intl

$716

United Airlines

Feb 14

ORD6:00 pmChicago O'Hare Intl

11h 15m

1 stop

SOF1:15 pmSofia

Feb 18

SOF6:25 amSofia

16h 55m

1 stop

ORD3:20 pmChicago O'Hare Intl

$718

United Airlines

Feb 8

SFO9:40 pmSan Francisco

15h 15m

1 stop

SOF10:55 pmSofia

Feb 12

SOF6:25 amSofia

19h 40m

1 stop

SFO4:05 pmSan Francisco

$726

Austrian Airlines flights from United States to Sofia

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

Austrian Airlines

Dec 31

EWR5:55 pmNewark

10h 55m

1 stop

SOF11:50 amSofia

Jan 13

SOF7:55 amSofia

13h 00m

1 stop

EWR1:55 pmNewark

$739

Austrian Airlines

Feb 10

EWR5:55 pmNewark

17h 05m

1 stop

SOF6:00 pmSofia

Feb 24

SOF7:55 amSofia

13h 00m

1 stop

EWR1:55 pmNewark

$750

Austrian Airlines

Jan 13

EWR5:55 pmNewark

23h 00m

1 stop

SOF11:55 pmSofia

Jan 25

SOF12:35 pmSofia

32h 20m

1 stop

EWR1:55 pmNewark

$755

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Sun 11/29

12:10 am-2:20 pm

2 stops31h 10m

Sofia

Mon 12/14

7:00 pm-3:20 pm

2 stops27h 20m

$621

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Sun 11/29

12:10 am-2:20 pm

2 stops31h 10m

Sofia

Mon 12/14

6:30 am-10:10 pm

3 stops22h 40m

$633

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Wed 3/3

10:10 pm-1:50 pm

1 stop29h 40m

Sofia

Wed 3/10

2:35 pm-8:10 pm

1 stop15h 35m

$691

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Wed 4/14

4:35 pm-2:00 am

1 stop23h 25m

Sofia

Wed 4/28

5:30 am-2:35 pm

1 stop19h 05m

$691

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 4/26

8:05 pm-8:45 am

1 stop28h 40m

Sofia

Thu 6/10

3:55 pm-6:10 pm

1 stop34h 15m

$694

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 3/10

9:50 pm-6:20 pm

1 stop12h 30m

Sofia

Wed 3/24

6:25 am-2:10 pm

1 stop14h 45m

$695

Quickest round-trip

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 4/7

9:40 pm-6:45 pm

1 stop13h 05m

Sofia

Wed 4/21

1:55 pm-7:55 pm

1 stop14h 00m

$695

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 4/14

7:35 pm-3:05 pm

1 stop33h 30m

Sofia

Wed 4/28

11:05 am-4:15 pm

1 stop15h 10m

$696

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Wed 12/2

9:20 pm-10:50 am

1 stop30h 30m

Sofia

Wed 12/16

9:30 am-11:45 am

1 stop33h 15m

$697

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Tue 4/13

7:35 pm-10:20 am

1 stop28h 45m

Sofia

Tue 4/27

1:30 pm-4:30 pm

1 stop37h 00m

$698

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 $642.

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 $774 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	$279
Fastest flight time	10h 40m
Direct flights	None

The best one-way flight to Sofia from United States in the past 72 hours is $279. The best round-trip flight deal from United States to Sofia found on momondo in the last 72 hours is $621.

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 7.5 982 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.3 10,478 reviews	Search United Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,648 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,599 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,120 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 8,294 reviews	Search Lufthansa flights
British Airways	PriceFrom $430	Free Cancellation	Rating 6.7 8,280 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,071 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $522	Free Cancellation	Rating 7.4 4,465 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.