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 44% 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?

Lufthansa, Austrian Airlines, 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 New York to Sofia takes 10h 40m on average. On the other hand, flying from Boston to Sofia takes 12h 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 February 2026, there are 13 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.

$201 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.

5:10 pm - 11:40 am

BOS

SOF

11h 30m

1 stop

12:25 pm - 6:19 pm

SOF

BOS

36h 54m

2 stops

$331Austrian Airlines

Tue, Apr 7 - Tue, Apr 21

1:57 pm - 11:50 am

BOS

SOF

15h 53m

2 stops

6:45 pm - 3:05 pm

SOF

BOS

26h 20m

1 stop

$343Austrian Airlines

Mon, Mar 16 - Mon, Mar 23

9:40 pm - 10:45 pm

BOS

SOF

19h 05m

1 stop

6:05 am - 2:10 pm

SOF

BOS

14h 05m

2 stops

$372Lufthansa

Tue, Mar 10 - Tue, Mar 24

5:00 pm - 1:00 pm

EWR

SOF

13h 00m

1 stop

7:55 am - 3:15 pm

SOF

EWR

13h 20m

1 stop

$395United Airlines

Sun, Mar 1 - Thu, Mar 19

5:40 pm - 10:45 pm

LGA

SOF

23h 05m

2 stops

6:20 am - 7:36 pm

SOF

LGA

20h 16m

2 stops

$443Lufthansa

Sun, Mar 22 - Wed, Oct 21

9:45 am - 6:20 pm

JFK

SOF

26h 35m

2 stops

6:20 am - 9:44 pm

SOF

JFK

22h 24m

2 stops

$443United Airlines

Tue, Mar 17 - Fri, Oct 16

1:20 pm - 3:00 pm

IAD

SOF

18h 40m

1 stop

9:05 pm - 7:50 pm

SOF

IAD

29h 45m

1 stop

$538Turkish Airlines

Wed, Apr 8 - Wed, Apr 22

8:10 pm - 8:15 pm

ORD

SOF

16h 05m

1 stop

3:50 pm - 9:40 am

SOF

ORD

25h 50m

1 stop

$543Turkish Airlines

Tue, Apr 7 - Tue, Apr 21

1:10 pm - 2:00 pm

MDW

SOF

16h 50m

2 stops

7:00 am - 5:22 pm

SOF

MDW

18h 22m

2 stops

$750KLM

Wed, Apr 1 - Wed, Apr 8

12:51 pm - 2:00 pm

MDW

SOF

17h 09m

2 stops

7:00 am - 5:56 pm

SOF

MDW

18h 56m

2 stops

$770KLM

Thu, May 7 - Mon, May 18

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Mar 17

LAX5:15 pmLos Angeles

15h 35m

1 stop

SOF5:50 pmSofia

Mar 31

SOF2:35 pmSofia

34h 00m

1 stop

LAX2:35 pmLos Angeles

$534

LOT

Mar 31

ORD9:50 pmChicago O'Hare Intl

12h 10m

1 stop

SOF6:00 pmSofia

Apr 20

SOF2:35 pmSofia

13h 15m

1 stop

ORD7:50 pmChicago O'Hare Intl

$575

LOT

Apr 1

ORD9:50 pmChicago O'Hare Intl

12h 10m

1 stop

SOF6:00 pmSofia

Apr 12

SOF6:45 pmSofia

33h 05m

1 stop

ORD7:50 pmChicago O'Hare Intl

$585

Turkish Airlines flights from United States to Sofia

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

Turkish Airlines

Mar 1

EWR12:25 amNewark

13h 25m

1 stop

SOF8:50 pmSofia

Apr 1

SOF9:35 amSofia

19h 55m

1 stop

EWR10:30 pmNewark

$516

Turkish Airlines

Apr 7

ORD8:10 pmChicago O'Hare Intl

16h 05m

1 stop

SOF8:15 pmSofia

Apr 21

SOF3:50 pmSofia

25h 50m

1 stop

ORD9:40 amChicago O'Hare Intl

$543

Turkish Airlines

Mar 1

IAD1:30 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

SOF8:45 amSofia

Mar 13

SOF9:35 amSofia

33h 10m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$544

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 4/7

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Tue 4/21

12:25 pm-6:19 pm

2 stops36h 54m

$331

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 3/16

1:57 pm-11:50 am

2 stops15h 53m

Sofia

Mon 3/23

6:45 pm-3:05 pm

1 stop26h 20m

$343

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 3/10

9:40 pm-10:45 pm

1 stop19h 05m

Sofia

Tue 3/24

6:05 am-2:10 pm

2 stops14h 05m

$372

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 3/1

5:00 pm-1:00 pm

1 stop13h 00m

Sofia

Thu 3/19

7:55 am-3:15 pm

1 stop13h 20m

$395

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Sun 3/22

5:40 pm-10:45 pm

2 stops23h 05m

Sofia

Wed 10/21

6:20 am-7:36 pm

2 stops20h 16m

$443

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Tue 3/17

9:45 am-6:20 pm

2 stops26h 35m

Sofia

Fri 10/16

6:20 am-9:44 pm

2 stops22h 24m

$443

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 4/8

1:20 pm-3:00 pm

1 stop18h 40m

Sofia

Wed 4/22

9:05 pm-7:50 pm

1 stop29h 45m

$538

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 4/7

8:10 pm-8:15 pm

1 stop16h 05m

Sofia

Tue 4/21

3:50 pm-9:40 am

1 stop25h 50m

$543

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Wed 4/1

1:10 pm-2:00 pm

2 stops16h 50m

Sofia

Wed 4/8

7:00 am-5:22 pm

2 stops18h 22m

$750

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Thu 5/7

12:51 pm-2:00 pm

2 stops17h 09m

Sofia

Mon 5/18

7:00 am-5:56 pm

2 stops18h 56m

$770

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 January instead. Flights to Sofia in January, while not as cheap as those in November, still average around $546.

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 $690 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 $567 on momondo.

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

You could potentially save up to 12% 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 40m
Direct flights	None

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

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 February 2026, there are 13 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 7,751 reviews	Search British Airways flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.7 1,456 reviews	Search KLM flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.5 895 reviews	Search Austrian Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,533 reviews	Search Air France flights
SWISS	PriceFrom $401	Free Cancellation	Rating 7.6 1,876 reviews	Search SWISS flights
United Airlines	PriceFrom $409	Free Cancellation	Rating 7.4 9,308 reviews	Search United Airlines flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,181 reviews	Search LOT flights
Lufthansa	PriceFrom $428	Free Cancellation	Rating 6.8 7,787 reviews	Search Lufthansa flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,149 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.