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 11h 30m 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?

British Airways, United Airlines, and Lufthansa are the most popular carriers operating from United States to Sofia

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 40% 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.

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 July 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.

$188 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.

4:30 pm - 1:35 am

SFO

SOF

23h 05m

2 stops

9:40 pm - 2:30 pm

SOF

SFO

26h 50m

2 stops

$640Multiple Airlines

Mon, Aug 24 - Wed, Sep 9

11:05 pm - 12:40 am

MIA

SOF

18h 35m

1 stop

11:25 pm - 7:45 pm

SOF

MIA

27h 20m

2 stops

$655Multiple Airlines

Sat, Sep 12 - Tue, Sep 22

6:45 pm - 8:45 am

SFO

SOF

28h 00m

1 stop

3:50 pm - 10:50 am

SOF

SFO

29h 00m

1 stop

$668Turkish Airlines

Mon, Sep 7 - Wed, Sep 16

6:45 pm - 8:45 am

SFO

SOF

28h 00m

1 stop

1:05 pm - 10:50 am

SOF

SFO

31h 45m

1 stop

$679Turkish Airlines

Tue, Sep 29 - Sun, Oct 11

9:40 pm - 10:45 pm

SFO

SOF

15h 05m

1 stop

6:25 am - 12:35 pm

SOF

SFO

16h 10m

1 stop

$731Lufthansa

Tue, Nov 10 - Tue, Nov 24

3:25 pm - 6:40 pm

LGA

SOF

20h 15m

2 stops

6:20 am - 6:25 pm

SOF

LGA

19h 05m

2 stops

$771United Airlines

Sun, Aug 9 - Wed, Aug 19

7:25 pm - 6:20 pm

ATL

SOF

15h 55m

2 stops

6:25 am - 2:40 pm

SOF

ATL

15h 15m

1 stop

$772Lufthansa

Tue, Nov 24 - Wed, Dec 9

1:00 pm - 12:10 pm

DCA

SOF

16h 10m

2 stops

6:20 am - 3:40 pm

SOF

DCA

16h 20m

2 stops

$775United Airlines

Wed, Oct 14 - Wed, Oct 21

5:10 pm - 6:00 pm

ORD

SOF

16h 50m

2 stops

6:45 pm - 7:50 pm

SOF

ORD

33h 05m

1 stop

$805LOT

Sun, Sep 6 - Tue, Sep 22

5:10 pm - 6:00 pm

ORD

SOF

16h 50m

2 stops

2:35 pm - 7:50 pm

SOF

ORD

13h 15m

1 stop

$810LOT

Thu, Sep 3 - Thu, Sep 24

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Air Serbia flights from United States to Sofia

Our best Air Serbia deals on United States to Sofia flight tickets

Air Serbia

Sep 2

JFK1:50 pmNew York John F Kennedy Intl

30h 10m

1 stop

SOF3:00 amSofia

Sep 16

SOF4:00 pmSofia

32h 30m

1 stop

JFK5:30 pmNew York John F Kennedy Intl

$733

Air Serbia

Oct 15

JFK7:30 pmNew York John F Kennedy Intl

13h 00m

1 stop

SOF3:30 pmSofia

Oct 22

SOF4:00 pmSofia

32h 30m

1 stop

JFK5:30 pmNew York John F Kennedy Intl

$755

Turkish Airlines flights from United States to Sofia

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

Turkish Airlines

Sep 7

SFO6:45 pmSan Francisco

28h 00m

1 stop

SOF8:45 amSofia

Sep 16

SOF3:50 pmSofia

29h 00m

1 stop

SFO10:50 amSan Francisco

$668

Turkish Airlines

Sep 29

SFO6:45 pmSan Francisco

28h 00m

1 stop

SOF8:45 amSofia

Oct 11

SOF1:05 pmSofia

31h 45m

1 stop

SFO10:50 amSan Francisco

$679

Turkish Airlines

Sep 7

MIA10:35 pmMiami

33h 25m

1 stop

SOF3:00 pmSofia

Sep 21

SOF3:50 pmSofia

35h 50m

1 stop

MIA8:40 pmMiami

$699

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 8/24

4:30 pm-1:35 am

2 stops23h 05m

Sofia

Wed 9/9

9:40 pm-2:30 pm

2 stops26h 50m

$640

MiamiSofia

MIA - SOF

MIASOF

Miami

Sat 9/12

11:05 pm-12:40 am

1 stop18h 35m

Sofia

Tue 9/22

11:25 pm-7:45 pm

2 stops27h 20m

$655

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 9/7

6:45 pm-8:45 am

1 stop28h 00m

Sofia

Wed 9/16

3:50 pm-10:50 am

1 stop29h 00m

$668

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/29

6:45 pm-8:45 am

1 stop28h 00m

Sofia

Sun 10/11

1:05 pm-10:50 am

1 stop31h 45m

$679

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 11/24

6:25 am-12:35 pm

1 stop16h 10m

$731

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Sun 8/9

3:25 pm-6:40 pm

2 stops20h 15m

Sofia

Wed 8/19

6:20 am-6:25 pm

2 stops19h 05m

$771

AtlantaSofia

ATL - SOF

ATLSOF

Atlanta Hartsfield-Jackson

Tue 11/24

7:25 pm-6:20 pm

2 stops15h 55m

Sofia

Wed 12/9

6:25 am-2:40 pm

1 stop15h 15m

$772

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 10/14

1:00 pm-12:10 pm

2 stops16h 10m

Sofia

Wed 10/21

6:20 am-3:40 pm

2 stops16h 20m

$775

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 9/6

5:10 pm-6:00 pm

2 stops16h 50m

Sofia

Tue 9/22

6:45 pm-7:50 pm

1 stop33h 05m

$805

Quickest round-trip

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 9/3

5:10 pm-6:00 pm

2 stops16h 50m

Sofia

Thu 9/24

2:35 pm-7:50 pm

1 stop13h 15m

$810

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 April. Flight prices, which tend to average around $666, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Sofia from United States during March instead. Flights to Sofia in March, while not as cheap as those in April, still average around $684.

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 $696 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 $586 on momondo.

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

You could potentially save up to 31% 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

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 July 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 7.6 944 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 9,993 reviews	Search United Airlines flights
Lufthansa	PriceFrom $394	Free Cancellation	Rating 6.8 8,137 reviews	Search Lufthansa flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,627 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,539 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,006 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,211 reviews	Search LOT flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,118 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,008 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 4,449 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.