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 11h 30m on average. On the other hand, flying from New York to Sofia takes 12h 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?

British Airways, United Airlines, and Turkish Airlines 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.

$226 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

11:25 pm - 2:30 pm

SOF

SFO

25h 05m

2 stops

$684Multiple Airlines

Mon, Sep 14 - Tue, Sep 22

8:10 pm - 3:15 pm

IAD

SOF

12h 05m

1 stop

6:25 am - 3:55 pm

SOF

IAD

16h 30m

1 stop

$707Multiple Airlines

Wed, Dec 9 - Wed, Dec 23

9:45 pm - 8:20 pm

IAD

SOF

15h 35m

1 stop

3:50 pm - 11:35 am

SOF

IAD

26h 45m

1 stop

$716Turkish Airlines

Tue, Aug 4 - Wed, Sep 9

10:35 pm - 5:50 pm

JFK

SOF

12h 15m

1 stop

2:35 pm - 8:35 pm

SOF

JFK

13h 00m

1 stop

$716LOT

Wed, Nov 4 - Thu, Nov 19

1:20 pm - 12:15 pm

IAD

SOF

15h 55m

1 stop

9:35 am - 7:50 pm

SOF

IAD

17h 15m

1 stop

$717Turkish Airlines

Sat, Aug 29 - Tue, Sep 29

2:50 pm - 10:45 pm

SEA

SOF

21h 55m

1 stop

6:25 am - 12:00 pm

SOF

SEA

15h 35m

1 stop

$746United Airlines

Sun, Nov 8 - Thu, Nov 12

7:01 am - 6:20 pm

SEA

SOF

25h 19m

2 stops

6:25 am - 12:00 pm

SOF

SEA

15h 35m

1 stop

$750United Airlines

Sun, Nov 8 - Thu, Nov 12

6:50 pm - 11:15 pm

SEA

SOF

18h 25m

1 stop

6:20 am - 11:55 am

SOF

SEA

15h 35m

1 stop

$787Lufthansa

Tue, Aug 11 - Wed, Aug 19

2:10 pm - 1:25 pm

SEA

SOF

13h 15m

1 stop

6:10 am - 11:55 am

SOF

SEA

15h 45m

2 stops

$796Lufthansa

Wed, Aug 5 - Tue, Aug 25

9:50 pm - 6:00 pm

ORD

SOF

12h 10m

1 stop

6:45 pm - 3:10 pm

SOF

ORD

28h 25m

1 stop

$813LOT

Fri, Sep 4 - Wed, Sep 23

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British Airways flights from United States to Sofia

Our best British Airways deals on United States to Sofia flight tickets

British Airways

Jan 4

DCA8:35 pmWashington, D.C. Reagan-National

40h 35m

2 stops

SOF8:10 pmSofia

Jan 18

SOF5:15 pmSofia

32h 39m

2 stops

DCA6:54 pmWashington, D.C. Reagan-National

$759

British Airways

Dec 7

DCA8:45 pmWashington, D.C. Reagan-National

40h 25m

2 stops

SOF8:10 pmSofia

Dec 21

SOF5:15 pmSofia

32h 25m

2 stops

DCA6:40 pmWashington, D.C. Reagan-National

$789

British Airways

Dec 7

DCA8:45 pmWashington, D.C. Reagan-National

40h 25m

2 stops

SOF8:10 pmSofia

Dec 21

SOF5:15 pmSofia

32h 25m

2 stops

DCA6:40 pmWashington, D.C. Reagan-National

$790

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Nov 4

JFK10:35 pmNew York John F Kennedy Intl

12h 15m

1 stop

SOF5:50 pmSofia

Nov 19

SOF2:35 pmSofia

13h 00m

1 stop

JFK8:35 pmNew York John F Kennedy Intl

$716

LOT

Nov 2

JFK10:35 pmNew York John F Kennedy Intl

12h 15m

1 stop

SOF5:50 pmSofia

Nov 16

SOF6:35 pmSofia

33h 00m

1 stop

JFK8:35 pmNew York John F Kennedy Intl

$720

LOT

Oct 29

JFK11:35 pmNew York John F Kennedy Intl

12h 15m

1 stop

SOF5:50 pmSofia

Nov 2

SOF6:35 pmSofia

33h 00m

1 stop

JFK8:35 pmNew York John F Kennedy Intl

$732

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 9/14

4:30 pm-1:35 am

2 stops23h 05m

Sofia

Tue 9/22

11:25 pm-2:30 pm

2 stops25h 05m

$684

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 12/9

8:10 pm-3:15 pm

1 stop12h 05m

Sofia

Wed 12/23

6:25 am-3:55 pm

1 stop16h 30m

$707

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 8/4

9:45 pm-8:20 pm

1 stop15h 35m

Sofia

Wed 9/9

3:50 pm-11:35 am

1 stop26h 45m

$716

Quickest round-trip

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Wed 11/4

10:35 pm-5:50 pm

1 stop12h 15m

Sofia

Thu 11/19

2:35 pm-8:35 pm

1 stop13h 00m

$716

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 8/29

1:20 pm-12:15 pm

1 stop15h 55m

Sofia

Tue 9/29

9:35 am-7:50 pm

1 stop17h 15m

$717

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/8

2:50 pm-10:45 pm

1 stop21h 55m

Sofia

Thu 11/12

6:25 am-12:00 pm

1 stop15h 35m

$746

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/8

7:01 am-6:20 pm

2 stops25h 19m

Sofia

Thu 11/12

6:25 am-12:00 pm

1 stop15h 35m

$750

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 8/11

6:50 pm-11:15 pm

1 stop18h 25m

Sofia

Wed 8/19

6:20 am-11:55 am

1 stop15h 35m

$787

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 8/5

2:10 pm-1:25 pm

1 stop13h 15m

Sofia

Tue 8/25

6:10 am-11:55 am

2 stops15h 45m

$796

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 9/4

9:50 pm-6:00 pm

1 stop12h 10m

Sofia

Wed 9/23

6:45 pm-3:10 pm

1 stop28h 25m

$813

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 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	11h 30m
Direct flights	None

The fastest flight from United States to Sofia takes 11h 30m

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 7.6 943 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 9,981 reviews	Search United Airlines flights
Lufthansa	PriceFrom $394	Free Cancellation	Rating 6.8 8,131 reviews	Search Lufthansa flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,623 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,537 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 1,998 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,210 reviews	Search LOT flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,107 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,013 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 4,442 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.