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 05m 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 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.

What is the cheapest airline that flies from United States to Sofia?

British Airways, Air Canada, and Lufthansa 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 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.

$222 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.

9:40 pm - 8:45 am

IAD

SOF

28h 05m

1 stop

9:10 pm - 11:30 am

SOF

IAD

21h 20m

1 stop

$649Turkish Airlines

Tue, Sep 8 - Tue, Sep 22

1:30 pm - 3:10 pm

IAD

SOF

18h 40m

1 stop

9:40 am - 7:25 pm

SOF

IAD

16h 45m

1 stop

$651Turkish Airlines

Fri, Nov 20 - Sun, Nov 29

1:20 pm - 8:45 am

IAD

SOF

12h 25m

1 stop

12:35 pm - 7:50 pm

SOF

IAD

14h 15m

1 stop

$666Turkish Airlines

Fri, Sep 11 - Fri, Oct 9

3:00 pm - 1:15 pm

LGA

SOF

15h 15m

2 stops

7:55 am - 11:22 pm

SOF

LGA

22h 27m

2 stops

$761United Airlines

Mon, Dec 7 - Fri, Dec 25

2:32 pm - 1:15 pm

LGA

SOF

15h 43m

2 stops

2:00 pm - 11:27 pm

SOF

LGA

16h 27m

2 stops

$764United Airlines

Tue, Nov 3 - Wed, Nov 18

5:10 pm - 6:00 pm

ORD

SOF

16h 50m

1 stop

2:35 pm - 7:50 pm

SOF

ORD

13h 15m

1 stop

$787LOT

Thu, Sep 3 - Thu, Sep 10

9:50 pm - 1:55 pm

ORD

SOF

32h 05m

1 stop

6:45 pm - 3:10 pm

SOF

ORD

28h 25m

1 stop

$792LOT

Mon, Aug 24 - Mon, Aug 31

12:45 pm - 2:55 pm

EWR

SOF

19h 10m

2 stops

11:10 am - 9:30 pm

SOF

EWR

16h 20m

1 stop

$809SWISS

Sun, Oct 18 - Sun, Oct 25

12:45 pm - 2:55 pm

EWR

SOF

19h 10m

2 stops

1:05 pm - 8:15 pm

SOF

EWR

14h 10m

1 stop

$811SWISS

Sun, Sep 27 - Tue, Oct 6

5:10 pm - 11:40 am

BOS

SOF

11h 30m

1 stop

6:55 pm - 7:19 pm

SOF

BOS

31h 24m

2 stops

$860Austrian Airlines

Tue, Aug 11 - Mon, Sep 7

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

Turkish Airlines flights from United States to Sofia

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

Turkish Airlines

Sep 7

IAD9:40 pmWashington, D.C. Dulles Intl

28h 05m

1 stop

SOF8:45 amSofia

Sep 19

SOF3:50 pmSofia

34h 55m

1 stop

IAD7:45 pmWashington, D.C. Dulles Intl

$649

Turkish Airlines

Nov 20

IAD1:30 pmWashington, D.C. Dulles Intl

18h 40m

1 stop

SOF3:10 pmSofia

Nov 29

SOF9:40 amSofia

16h 45m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

$651

Turkish Airlines

Sep 11

IAD1:20 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SOF8:45 amSofia

Oct 9

SOF12:35 pmSofia

14h 15m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$666

British Airways flights from United States to Sofia

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

British Airways

Nov 23

DCA5:02 pmWashington, D.C. Reagan-National

44h 08m

2 stops

SOF8:10 pmSofia

Dec 7

SOF5:15 pmSofia

32h 42m

2 stops

DCA6:57 pmWashington, D.C. Reagan-National

$765

British Airways

Nov 23

SFO11:23 pmSan Francisco

34h 47m

2 stops

SOF8:10 pmSofia

Dec 7

SOF5:15 pmSofia

37h 08m

2 stops

SFO8:23 pmSan Francisco

$775

British Airways

Oct 19

DCA10:16 pmWashington, D.C. Reagan-National

39h 14m

2 stops

SOF8:30 pmSofia

Nov 2

SOF5:15 pmSofia

33h 04m

2 stops

DCA7:19 pmWashington, D.C. Reagan-National

$790

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/8

9:40 pm-8:45 am

1 stop28h 05m

Sofia

Tue 9/22

9:10 pm-11:30 am

1 stop21h 20m

$649

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 11/20

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Sun 11/29

9:40 am-7:25 pm

1 stop16h 45m

$651

Quickest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 9/11

1:20 pm-8:45 am

1 stop12h 25m

Sofia

Fri 10/9

12:35 pm-7:50 pm

1 stop14h 15m

$666

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 12/7

3:00 pm-1:15 pm

2 stops15h 15m

Sofia

Fri 12/25

7:55 am-11:22 pm

2 stops22h 27m

$761

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 11/3

2:32 pm-1:15 pm

2 stops15h 43m

Sofia

Wed 11/18

2:00 pm-11:27 pm

2 stops16h 27m

$764

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 9/3

5:10 pm-6:00 pm

1 stop16h 50m

Sofia

Thu 9/10

2:35 pm-7:50 pm

1 stop13h 15m

$787

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 8/24

9:50 pm-1:55 pm

1 stop32h 05m

Sofia

Mon 8/31

6:45 pm-3:10 pm

1 stop28h 25m

$792

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 10/18

12:45 pm-2:55 pm

2 stops19h 10m

Sofia

Sun 10/25

11:10 am-9:30 pm

1 stop16h 20m

$809

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 9/27

12:45 pm-2:55 pm

2 stops19h 10m

Sofia

Tue 10/6

1:05 pm-8:15 pm

1 stop14h 10m

$811

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 8/11

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Mon 9/7

6:55 pm-7:19 pm

2 stops31h 24m

$860

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 $595, 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 $612.

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 $698 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 7.6 950 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 10,024 reviews	Search United Airlines flights
Lufthansa	PriceFrom $395	Free Cancellation	Rating 6.8 8,156 reviews	Search Lufthansa flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.5 1,626 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,544 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,019 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 8,129 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,021 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 4,453 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.