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 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 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.

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 14 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.

$201 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.

6:25 pm - 11:50 am

BOS

SOF

10h 25m

1 stop

8:00 am - 1:50 pm

SOF

BOS

12h 50m

1 stop

$356Austrian Airlines

Sun, Mar 1 - Wed, Apr 1

5:55 pm - 6:00 pm

EWR

SOF

17h 05m

1 stop

6:45 pm - 2:15 pm

SOF

EWR

26h 30m

1 stop

$356Austrian Airlines

Mon, Feb 9 - Mon, Feb 16

9:50 pm - 6:20 pm

EWR

SOF

14h 30m

1 stop

2:00 pm - 8:05 pm

SOF

EWR

12h 05m

1 stop

$359Lufthansa

Wed, Mar 11 - Wed, Mar 25

8:40 pm - 6:00 pm

BOS

SOF

14h 20m

2 stops

12:55 pm - 5:40 pm

SOF

BOS

11h 45m

1 stop

$373Lufthansa

Sun, Mar 1 - Wed, Apr 1

11:10 pm - 5:50 pm

EWR

SOF

11h 40m

1 stop

2:35 pm - 9:00 pm

SOF

EWR

13h 25m

1 stop

$385LOT

Wed, Feb 11 - Wed, Feb 18

11:10 pm - 5:50 pm

EWR

SOF

11h 40m

1 stop

6:35 pm - 9:00 pm

SOF

EWR

33h 25m

1 stop

$387LOT

Wed, Feb 11 - Tue, Feb 17

6:10 pm - 11:50 am

JFK

SOF

10h 40m

1 stop

1:45 pm - 10:39 pm

SOF

JFK

39h 54m

2 stops

$468United Airlines

Thu, Feb 5 - Mon, Feb 9

5:40 pm - 1:00 pm

IAD

SOF

12h 20m

1 stop

6:10 am - 3:35 pm

SOF

IAD

15h 25m

1 stop

$487United Airlines

Sun, Mar 1 - Fri, Mar 13

11:50 am - 3:10 pm

ORD

SOF

19h 20m

1 stop

4:00 pm - 11:05 am

SOF

ORD

26h 05m

1 stop

$523Turkish Airlines

Sun, Feb 1 - Sun, Mar 22

11:50 am - 3:10 pm

ORD

SOF

19h 20m

1 stop

9:35 am - 6:15 pm

SOF

ORD

16h 40m

1 stop

$526Turkish Airlines

Fri, Mar 6 - Sun, Sep 6

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Feb 11

EWR11:10 pmNewark

11h 40m

1 stop

SOF5:50 pmSofia

Feb 18

SOF2:35 pmSofia

13h 25m

1 stop

EWR9:00 pmNewark

$385

LOT

Feb 11

EWR11:10 pmNewark

11h 40m

1 stop

SOF5:50 pmSofia

Feb 17

SOF6:35 pmSofia

33h 25m

1 stop

EWR9:00 pmNewark

$387

LOT

Apr 5

EWR8:20 pmNewark

34h 35m

2 stops

SOF1:55 pmSofia

Apr 16

SOF2:40 pmSofia

34h 40m

1 stop

EWR6:20 pmNewark

$448

Air Canada flights from United States to Sofia

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

Air Canada

Mar 4

BOS3:35 pmBoston Logan Intl

19h 45m

2 stops

SOF6:20 pmSofia

May 5

SOF12:55 pmSofia

27h 50m

2 stops

BOS9:45 amBoston Logan Intl

$403

Air Canada

Mar 31

EWR2:28 pmNewark

21h 12m

2 stops

SOF6:40 pmSofia

Apr 14

SOF6:10 amSofia

15h 42m

2 stops

EWR2:52 pmNewark

$411

Air Canada

Apr 19

BOS6:15 amBoston Logan Intl

22h 55m

2 stops

SOF12:10 pmSofia

Apr 29

SOF6:20 amSofia

42h 25m

2 stops

BOS5:45 pmBoston Logan Intl

$413

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

6:25 pm-11:50 am

1 stop10h 25m

Sofia

Wed 4/1

8:00 am-1:50 pm

1 stop12h 50m

$356

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 2/9

5:55 pm-6:00 pm

1 stop17h 05m

Sofia

Mon 2/16

6:45 pm-2:15 pm

1 stop26h 30m

$356

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 3/11

9:50 pm-6:20 pm

1 stop14h 30m

Sofia

Wed 3/25

2:00 pm-8:05 pm

1 stop12h 05m

$359

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

8:40 pm-6:00 pm

2 stops14h 20m

Sofia

Wed 4/1

12:55 pm-5:40 pm

1 stop11h 45m

$373

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 2/11

11:10 pm-5:50 pm

1 stop11h 40m

Sofia

Wed 2/18

2:35 pm-9:00 pm

1 stop13h 25m

$385

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 2/11

11:10 pm-5:50 pm

1 stop11h 40m

Sofia

Tue 2/17

6:35 pm-9:00 pm

1 stop33h 25m

$387

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 2/5

6:10 pm-11:50 am

1 stop10h 40m

Sofia

Mon 2/9

1:45 pm-10:39 pm

2 stops39h 54m

$468

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 3/1

5:40 pm-1:00 pm

1 stop12h 20m

Sofia

Fri 3/13

6:10 am-3:35 pm

1 stop15h 25m

$487

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 2/1

11:50 am-3:10 pm

1 stop19h 20m

Sofia

Sun 3/22

4:00 pm-11:05 am

1 stop26h 05m

$523

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 3/6

11:50 am-3:10 pm

1 stop19h 20m

Sofia

Sun 9/6

9:35 am-6:15 pm

1 stop16h 40m

$526

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 September instead. Flights to Sofia in September, while not as cheap as those in November, still average around $585.

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 11% 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 14 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 7,689 reviews	Search British Airways flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.7 1,442 reviews	Search KLM flights
SWISS	PriceFrom $388	Free Cancellation	Rating 7.5 1,855 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.6 894 reviews	Search Austrian Airlines flights
Air France	PriceFrom $397	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
United Airlines	PriceFrom $422	Free Cancellation	Rating 7.4 9,191 reviews	Search United Airlines flights
LOT	PriceFrom $437	Free Cancellation	Rating 7.5 1,174 reviews	Search LOT flights
Lufthansa	PriceFrom $437	Free Cancellation	Rating 6.8 7,736 reviews	Search Lufthansa flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.2 2,890 reviews	Search JetBlue flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,130 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 $201

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 2/2. 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

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Filter for what you want

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Find the cheapest flights from the United States to Sofia

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LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

Air Canada flights from United States to Sofia

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

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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 11% 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?

British Airways, United Airlines, and Lufthansa 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