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 13 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 Boston to Sofia takes 10h on average. On the other hand, flying from New York to Sofia takes 10h 35m 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 SWISS 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 April 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.

$293 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.

11:00 pm - 1:15 am

BOS

SOF

19h 15m

2 stops

10:10 am - 9:15 pm

SOF

BOS

18h 05m

1 stop

$586Multiple Airlines

Thu, Sep 24 - Thu, Oct 8

11:00 pm - 12:15 pm

BOS

SOF

30h 15m

1 stop

9:40 pm - 9:15 pm

SOF

BOS

30h 35m

1 stop

$588Multiple Airlines

Wed, Sep 23 - Wed, Oct 7

8:30 pm - 11:15 pm

EWR

SOF

19h 45m

1 stop

6:10 am - 6:45 pm

SOF

EWR

19h 35m

1 stop

$594Lufthansa

Wed, May 6 - Tue, May 12

10:50 pm - 6:20 pm

BOS

SOF

13h 30m

2 stops

7:55 am - 1:30 pm

SOF

BOS

12h 35m

1 stop

$598Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

5:30 pm - 12:10 pm

JFK

SOF

11h 40m

1 stop

6:10 am - 3:00 pm

SOF

JFK

15h 50m

1 stop

$633Lufthansa

Mon, May 4 - Wed, May 20

2:50 pm - 12:10 pm

LGA

SOF

14h 20m

2 stops

8:00 am - 6:22 pm

SOF

LGA

17h 22m

2 stops

$659United Airlines

Tue, May 5 - Tue, May 26

9:45 pm - 8:15 pm

IAD

SOF

15h 30m

1 stop

9:35 am - 11:35 am

SOF

IAD

33h 00m

1 stop

$667Turkish Airlines

Tue, Sep 8 - Tue, Sep 22

1:20 pm - 3:00 pm

IAD

SOF

18h 40m

1 stop

3:50 pm - 11:35 am

SOF

IAD

26h 45m

1 stop

$668Turkish Airlines

Thu, Aug 27 - Thu, Sep 10

1:16 pm - 2:00 pm

MDW

SOF

16h 44m

2 stops

7:00 am - 4:27 pm

SOF

MDW

17h 27m

2 stops

$847KLM

Sun, Aug 2 - Mon, Aug 24

1:16 pm - 2:00 pm

MDW

SOF

16h 44m

2 stops

7:00 am - 4:27 pm

SOF

MDW

17h 27m

2 stops

$853KLM

Tue, Jul 28 - Tue, Aug 18

Turkish Airlines flights from United States to Sofia

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

Turkish Airlines

Sep 6

EWR12:25 amNewark

12h 50m

1 stop

SOF8:15 pmSofia

Sep 22

SOF9:35 amSofia

19h 55m

1 stop

EWR10:30 pmNewark

$628

Turkish Airlines

Sep 6

EWR12:25 amNewark

12h 50m

1 stop

SOF8:15 pmSofia

Sep 22

SOF9:35 amSofia

19h 55m

1 stop

EWR10:30 pmNewark

$629

Turkish Airlines

May 4

SFO12:55 pmSan Francisco

21h 20m

1 stop

SOF8:15 pmSofia

May 21

SOF9:05 pmSofia

23h 45m

1 stop

SFO10:50 amSan Francisco

$664

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Sep 8

JFK10:20 pmNew York John F Kennedy Intl

12h 40m

1 stop

SOF6:00 pmSofia

Sep 29

SOF2:35 pmSofia

12h 45m

1 stop

JFK8:20 pmNew York John F Kennedy Intl

$631

LOT

May 13

SFO10:15 pmSan Francisco

17h 40m

1 stop

SOF1:55 amSofia

May 28

SOF5:25 amSofia

18h 25m

1 stop

SFO1:50 pmSan Francisco

$893

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Thu 9/24

11:00 pm-1:15 am

2 stops19h 15m

Sofia

Thu 10/8

10:10 am-9:15 pm

1 stop18h 05m

$586

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Wed 9/23

11:00 pm-12:15 pm

1 stop30h 15m

Sofia

Wed 10/7

9:40 pm-9:15 pm

1 stop30h 35m

$588

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 5/6

8:30 pm-11:15 pm

1 stop19h 45m

Sofia

Tue 5/12

6:10 am-6:45 pm

1 stop19h 35m

$594

Quickest round-trip

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 10/27

10:50 pm-6:20 pm

2 stops13h 30m

Sofia

Tue 11/10

7:55 am-1:30 pm

1 stop12h 35m

$598

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 5/4

5:30 pm-12:10 pm

1 stop11h 40m

Sofia

Wed 5/20

6:10 am-3:00 pm

1 stop15h 50m

$633

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 5/5

2:50 pm-12:10 pm

2 stops14h 20m

Sofia

Tue 5/26

8:00 am-6:22 pm

2 stops17h 22m

$659

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/8

9:45 pm-8:15 pm

1 stop15h 30m

Sofia

Tue 9/22

9:35 am-11:35 am

1 stop33h 00m

$667

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 8/27

1:20 pm-3:00 pm

1 stop18h 40m

Sofia

Thu 9/10

3:50 pm-11:35 am

1 stop26h 45m

$668

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Sun 8/2

1:16 pm-2:00 pm

2 stops16h 44m

Sofia

Mon 8/24

7:00 am-4:27 pm

2 stops17h 27m

$847

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 7/28

1:16 pm-2:00 pm

2 stops16h 44m

Sofia

Tue 8/18

7:00 am-4:27 pm

2 stops17h 27m

$853

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 March. Flight prices, which tend to average around $684, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Sofia from United States during April instead. Flights to Sofia in April, while not as cheap as those in March, still average around $707.

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 $670 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 $588 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

Fastest flight time	10h 00m
Direct flights	None

The fastest flight from United States to Sofia takes 10h 00m

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

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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 April 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
SWISS	PriceFrom $193	Free Cancellation	Rating 7.5 1,924 reviews	Search SWISS flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.8 1,512 reviews	Search KLM flights
Austrian Airlines	PriceFrom $387	Free Cancellation	Rating 7.6 913 reviews	Search Austrian Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,580 reviews	Search Air France flights
British Airways	PriceFrom $406	Free Cancellation	Rating 6.7 7,937 reviews	Search British Airways flights
United Airlines	PriceFrom $409	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,192 reviews	Search LOT flights
Lufthansa	PriceFrom $416	Free Cancellation	Rating 6.8 7,962 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $455	Free Cancellation	Rating 7.4 4,346 reviews	Search Turkish Airlines flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 2,968 reviews	Search JetBlue 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.