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 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?

United Airlines, British Airways, and Air Serbia 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 Boston to Sofia takes 10h 25m on average. On the other hand, flying from New York to Sofia takes 11h 15m 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 November 2025, 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.

$198 Cheap Flights from the United States to Sofia in 2025/26

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Find the cheapest flights from the United States to Sofia

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Recent round-trip flight deals from the United States to Sofia

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2:20 pm - 6:00 pmBOS-SOF

20h 40m2 stops

12:35 pm - 2:05 pmSOF-BOS

32h 30m1 stop

$326Austrian Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 23

2:20 pm - 6:00 pmBOS-SOF

20h 40m2 stops

12:35 pm - 2:05 pmSOF-BOS

32h 30m1 stop

$327Austrian Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 23

2:20 pm - 6:00 pmBOS-SOF

20h 40m2 stops

6:45 pm - 2:05 pmSOF-BOS

26h 20m1 stop

$333Austrian Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 23

8:45 pm - 6:20 pmEWR-SOF

14h 35m2 stops

6:05 am - 12:40 pmSOF-EWR

13h 35m1 stop

$356Lufthansa

Find Deal

Wed, Jan 14 - Wed, Jan 28

10:50 pm - 2:00 amEWR-SOF

20h 10m1 stop

2:40 pm - 8:50 pmSOF-EWR

13h 10m1 stop

$375LOT

Find Deal

Tue, Apr 28 - Tue, May 12

6:10 pm - 11:50 amJFK-SOF

10h 40m1 stop

6:10 am - 8:58 pmSOF-JFK

21h 48m2 stops

$431United Airlines

Find Deal

Wed, Dec 24 - Wed, Jan 7

4:25 pm - 1:15 pmJFK-SOF

13h 50m2 stops

1:45 pm - 1:05 pmSOF-JFK

30h 20m2 stops

$433United Airlines

Find Deal

Mon, Jan 19 - Mon, Feb 2

5:35 pm - 6:20 pmLGA-SOF

17h 45m2 stops

7:05 pm - 9:33 pmSOF-LGA

33h 28m2 stops

$436Lufthansa

Find Deal

Sun, Jan 25 - Sun, Feb 8

1:30 pm - 3:10 pmIAD-SOF

18h 40m1 stop

4:00 pm - 11:45 amSOF-IAD

26h 45m1 stop

$528Turkish Airlines

Find Deal

Mon, Jan 12 - Tue, Jan 27

9:15 pm - 8:50 pmIAD-SOF

16h 35m1 stop

9:35 am - 7:20 pmSOF-IAD

16h 45m1 stop

$529Turkish Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

British Airways flights from United States to Sofia

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

British Airways

Apr 22

BOS9:50 pmBoston Logan Intl

32h 40m

1 stop

SOF1:30 pmSofia

Apr 29

SOF9:30 pmSofia

29h 35m

1 stop

BOS8:05 pmBoston Logan Intl

$360

Find similar

British Airways

Feb 8

BOS6:55 pmBoston Logan Intl

14h 25m

1 stop

SOF4:20 pmSofia

Feb 25

SOF9:00 pmSofia

29h 45m

1 stop

BOS7:45 pmBoston Logan Intl

$378

Find similar

British Airways

Feb 23

LGA9:10 pmNew York LaGuardia

40h 00m

2 stops

SOF8:10 pmSofia

Mar 9

SOF5:25 pmSofia

33h 42m

2 stops

LGA9:07 pmNew York LaGuardia

$439

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Air France flights from United States to Sofia

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

Air France

Feb 9

BOS1:00 pmBoston Logan Intl

18h 05m

2 stops

SOF2:05 pmSofia

Feb 24

SOF7:10 amSofia

16h 10m

1 stop

BOS4:20 pmBoston Logan Intl

$365

Find similar

Air France

Feb 9

BOS6:30 pmBoston Logan Intl

12h 35m

1 stop

SOF2:05 pmSofia

Feb 24

SOF7:10 amSofia

13h 30m

1 stop

BOS1:40 pmBoston Logan Intl

$367

Find similar

Air France

Feb 9

BOS1:00 pmBoston Logan Intl

18h 05m

2 stops

SOF2:05 pmSofia

Feb 24

SOF7:10 amSofia

13h 30m

1 stop

BOS1:40 pmBoston Logan Intl

$370

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/9

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 2/23

12:35 pm-2:05 pm

1 stop32h 30m

$326

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/9

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 2/23

12:35 pm-2:05 pm

1 stop32h 30m

$327

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/9

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 2/23

6:45 pm-2:05 pm

1 stop26h 20m

$333

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 1/14

8:45 pm-6:20 pm

2 stops14h 35m

Sofia

Wed 1/28

6:05 am-12:40 pm

1 stop13h 35m

$356

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 4/28

10:50 pm-2:00 am

1 stop20h 10m

Sofia

Tue 5/12

2:40 pm-8:50 pm

1 stop13h 10m

$375

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Wed 12/24

6:10 pm-11:50 am

1 stop10h 40m

Sofia

Wed 1/7

6:10 am-8:58 pm

2 stops21h 48m

$431

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 1/19

4:25 pm-1:15 pm

2 stops13h 50m

Sofia

Mon 2/2

1:45 pm-1:05 pm

2 stops30h 20m

$433

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Sun 1/25

5:35 pm-6:20 pm

2 stops17h 45m

Sofia

Sun 2/8

7:05 pm-9:33 pm

2 stops33h 28m

$436

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 1/12

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Tue 1/27

4:00 pm-11:45 am

1 stop26h 45m

$528

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 1/14

9:15 pm-8:50 pm

1 stop16h 35m

Sofia

Wed 1/21

9:35 am-7:20 pm

1 stop16h 45m

$529

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 September. Flight prices, which tend to average around $587, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Sofia from United States during October instead. Flights to Sofia in October, while not as cheap as those in September, still average around $599.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Monday is the cheapest day to fly to Sofia from United States. The lowest ticket price found for a Monday departure recently was $795. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United States to Sofia on a Saturday will generally be more expensive and average around $1,032. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from United States to Sofia when you can find flight prices for as low as $618. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $969 per ticket.

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 week ahead of your departure date. In general, you can expect to find flights to Sofia for around $714 when searching week 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 $634 on momondo.

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

You could potentially save up to 32% 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 25m
Direct flights	None

The fastest flight from United States to Sofia takes 10h 25m

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 November 2025, 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 $398	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights
SWISS	PriceFrom $401	Free Cancellation	Rating 7.5 1,794 reviews	Search SWISS flights
British Airways	PriceFrom $406	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
KLM	PriceFrom $407	Free Cancellation	Rating 7.7 1,422 reviews	Search KLM flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights
United Airlines	PriceFrom $428	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
LOT	PriceFrom $437	Free Cancellation	Rating 7.5 1,140 reviews	Search LOT flights
Lufthansa	PriceFrom $451	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $497	Free Cancellation	Rating 7.3 4,059 reviews	Search Turkish Airlines flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,089 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.

An easier way to manage your Sofia trip

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Cheap flights from the United States to Sofia from $227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Sofia departing on 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Trusted and free

Price Alerts

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Find the cheapest flights from the United States to Sofia

Recent round-trip flight deals from the United States to Sofia

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Recent last minute flight deals from the United States to Sofia

British Airways flights from United States to Sofia

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

Air France flights from United States to Sofia

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

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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

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

What is the cheapest time of day to depart on your flight to Sofia?

How far in advance should I book a flight to Sofia?

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

You could potentially save up to 32% on your flight if you consider stops on a United States to Sofia flight.

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

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

What airlines fly to Sofia?

How long does it take to fly to Sofia?

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

Direct flights

When did momondo last update prices for flights from United States to Sofia Airport?

How many operators does momondo search for flights from United States to Sofia Airport?

How old do you have to be to fly from United States to Sofia Airport?

What documentation or ID do you need to fly to Sofia Airport?

Best airlines flying from United States to Sofia

Compare and see reviews for airlines that fly from United States to Sofia with momondo

Traveling to a place near Sofia?

Why use momondo?

Why should I use momondo to find a flight deal from United States to Sofia?

Can I find flights from United States to Sofia with flexible booking policies on momondo?

How can momondo help me find flights from United States to Sofia?

I’m not ready to book a flight from United States to Sofia right now. Can momondo alert me if prices change?

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo