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 10h 40m 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 44% 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?

Austrian Airlines, Iberia, and Air France 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 January 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.

$189 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.

2:20 pm - 11:55 pm

BOS

SOF

26h 35m

2 stops

6:45 pm - 2:05 pm

SOF

BOS

26h 20m

1 stop

$326Austrian Airlines

Mon, Feb 2 - Mon, Feb 16

1:31 pm - 11:50 am

BOS

SOF

15h 19m

2 stops

7:55 am - 2:05 pm

SOF

BOS

13h 10m

1 stop

$341Austrian Airlines

Tue, Feb 3 - Tue, Feb 17

10:35 pm - 5:50 pm

EWR

SOF

12h 15m

1 stop

2:35 pm - 9:00 pm

SOF

EWR

13h 25m

1 stop

$387LOT

Thu, Feb 5 - Wed, Feb 11

8:45 am - 1:45 pm

LAX

SOF

20h 00m

2 stops

6:00 am - 2:05 pm

SOF

LAX

17h 05m

1 stop

$444Lufthansa

Tue, Mar 10 - Tue, Mar 17

6:30 pm - 6:20 pm

LAX

SOF

14h 50m

1 stop

6:00 am - 2:05 pm

SOF

LAX

17h 05m

1 stop

$447Lufthansa

Tue, Mar 10 - Tue, Mar 17

10:10 am - 10:45 pm

LGA

SOF

29h 35m

2 stops

1:45 pm - 3:38 pm

SOF

LGA

56h 53m

2 stops

$473United Airlines

Thu, Feb 5 - Mon, Feb 9

4:25 pm - 1:15 pm

JFK

SOF

13h 50m

2 stops

6:05 am - 10:39 pm

SOF

JFK

23h 34m

2 stops

$475United Airlines

Fri, Jan 30 - Wed, Feb 4

10:35 pm - 5:50 pm

JFK

SOF

12h 15m

1 stop

6:35 pm - 8:35 pm

SOF

JFK

33h 00m

1 stop

$483LOT

Sun, Feb 15 - Thu, Feb 26

7:50 pm - 8:15 pm

ORD

SOF

16h 25m

1 stop

3:50 pm - 9:40 am

SOF

ORD

25h 50m

1 stop

$537Turkish Airlines

Thu, May 7 - Mon, Jun 1

11:50 am - 8:50 pm

ORD

SOF

25h 00m

1 stop

9:40 pm - 6:25 pm

SOF

ORD

28h 45m

1 stop

$539Turkish Airlines

Sat, Feb 28 - Sat, Mar 7

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Jan 25

EWR10:35 pmNewark

12h 15m

1 stop

SOF5:50 pmSofia

Feb 9

SOF6:35 pmSofia

32h 50m

1 stop

EWR8:25 pmNewark

$371

LOT

Jan 25

EWR10:35 pmNewark

12h 15m

1 stop

SOF5:50 pmSofia

Feb 9

SOF6:35 pmSofia

32h 50m

1 stop

EWR8:25 pmNewark

$379

LOT

Jan 25

EWR10:35 pmNewark

12h 15m

1 stop

SOF5:50 pmSofia

Feb 9

SOF6:35 pmSofia

32h 50m

1 stop

EWR8:25 pmNewark

$385

Lufthansa flights from United States to Sofia

Our best Lufthansa deals on United States to Sofia flight tickets

Lufthansa

Mar 4

BOS8:40 pmBoston Logan Intl

19h 05m

1 stop

SOF10:45 pmSofia

May 5

SOF12:55 pmSofia

17h 59m

2 stops

BOS11:54 pmBoston Logan Intl

$393

Lufthansa

Apr 19

BOS8:05 pmBoston Logan Intl

20h 05m

1 stop

SOF11:10 pmSofia

May 8

SOF12:55 pmSofia

11h 45m

1 stop

BOS5:40 pmBoston Logan Intl

$395

Lufthansa

Feb 5

BOS4:15 pmBoston Logan Intl

14h 35m

1 stop

SOF1:50 pmSofia

Feb 19

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$428

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/2

2:20 pm-11:55 pm

2 stops26h 35m

Sofia

Mon 2/16

6:45 pm-2:05 pm

1 stop26h 20m

$326

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/3

1:31 pm-11:50 am

2 stops15h 19m

Sofia

Tue 2/17

7:55 am-2:05 pm

1 stop13h 10m

$341

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 2/5

10:35 pm-5:50 pm

1 stop12h 15m

Sofia

Wed 2/11

2:35 pm-9:00 pm

1 stop13h 25m

$387

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 3/10

8:45 am-1:45 pm

2 stops20h 00m

Sofia

Tue 3/17

6:00 am-2:05 pm

1 stop17h 05m

$444

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 3/10

6:30 pm-6:20 pm

1 stop14h 50m

Sofia

Tue 3/17

6:00 am-2:05 pm

1 stop17h 05m

$447

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Thu 2/5

10:10 am-10:45 pm

2 stops29h 35m

Sofia

Mon 2/9

1:45 pm-3:38 pm

2 stops56h 53m

$473

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Fri 1/30

4:25 pm-1:15 pm

2 stops13h 50m

Sofia

Wed 2/4

6:05 am-10:39 pm

2 stops23h 34m

$475

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sun 2/15

10:35 pm-5:50 pm

1 stop12h 15m

Sofia

Thu 2/26

6:35 pm-8:35 pm

1 stop33h 00m

$483

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 5/7

7:50 pm-8:15 pm

1 stop16h 25m

Sofia

Mon 6/1

3:50 pm-9:40 am

1 stop25h 50m

$537

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sat 2/28

11:50 am-8:50 pm

1 stop25h 00m

Sofia

Sat 3/7

9:40 pm-6:25 pm

1 stop28h 45m

$539

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 November. Flight prices, which tend to average around $516, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from United States during January instead. Flights to Sofia in January, while not as cheap as those in November, still average around $571.

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 $707 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 $652 on momondo.

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

You could potentially save up to 12% 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 January 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
British Airways	PriceFrom $356	Free Cancellation	Rating 6.7 7,684 reviews	Search British Airways flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.7 1,440 reviews	Search KLM flights
SWISS	PriceFrom $388	Free Cancellation	Rating 7.5 1,850 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.6 894 reviews	Search Austrian Airlines flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,522 reviews	Search Air France flights
United Airlines	PriceFrom $422	Free Cancellation	Rating 7.4 9,165 reviews	Search United Airlines flights
LOT	PriceFrom $437	Free Cancellation	Rating 7.5 1,174 reviews	Search LOT flights
Lufthansa	PriceFrom $444	Free Cancellation	Rating 6.8 7,719 reviews	Search Lufthansa flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.2 2,889 reviews	Search JetBlue flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,128 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 $189

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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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

Recent one-way flight deals from the United States to Sofia

Recent last minute flight deals from the United States to Sofia

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

Lufthansa flights from United States to Sofia

Our best Lufthansa deals on United States to Sofia flight tickets

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Use the filters below to find and compare flights from the United States to Sofia that are best for you.

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How to get the cheapest flight ticket from United States to Sofia

What is the cheapest month to fly 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 12% 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?

Austrian Airlines, Iberia, and Air France 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