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

British Airways, JetBlue, and SWISS 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 New York to Sofia takes 11h 40m on average. On the other hand, flying from Boston to Sofia takes 12h 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 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 June 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.

$252 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.

9:35 pm - 1:15 am

MIA

SOF

44h 40m

2 stops

11:25 pm - 8:00 pm

SOF

MIA

27h 35m

1 stop

$616Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

10:00 pm - 12:15 pm

MIA

SOF

31h 15m

1 stop

7:45 pm - 2:00 am

SOF

MIA

36h 15m

2 stops

$630Multiple Airlines

Wed, Oct 14 - Wed, Oct 28

5:30 pm - 6:20 pm

LAX

SOF

14h 50m

1 stop

6:25 am - 1:05 pm

SOF

LAX

16h 40m

1 stop

$720Lufthansa

Tue, Nov 10 - Tue, Nov 24

4:00 pm - 6:20 pm

LGA

SOF

19h 20m

2 stops

7:55 am - 11:27 pm

SOF

LGA

22h 32m

2 stops

$765United Airlines

Tue, Nov 3 - Tue, Nov 17

2:30 pm - 6:20 pm

LGA

SOF

20h 50m

2 stops

2:00 pm - 9:32 pm

SOF

LGA

14h 32m

2 stops

$771Lufthansa

Mon, Nov 2 - Wed, Nov 18

3:00 pm - 1:15 pm

LGA

SOF

15h 15m

2 stops

1:55 pm - 11:27 pm

SOF

LGA

16h 32m

2 stops

$779United Airlines

Mon, Nov 2 - Mon, Nov 16

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

3:50 pm - 7:55 pm

SOF

BOS

35h 05m

1 stop

$804Turkish Airlines

Fri, Sep 11 - Sun, Sep 27

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

9:35 am - 7:55 pm

SOF

BOS

17h 20m

1 stop

$808Turkish Airlines

Mon, Sep 7 - Sat, Sep 26

12:30 pm - 2:05 pm

MDW

SOF

18h 35m

2 stops

7:00 am - 6:37 pm

SOF

MDW

19h 37m

2 stops

$896KLM

Fri, Oct 30 - Tue, Nov 10

1:27 pm - 2:00 pm

MDW

SOF

16h 33m

2 stops

7:00 am - 4:57 pm

SOF

MDW

17h 57m

2 stops

$902KLM

Fri, Aug 7 - Wed, Sep 9

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Turkish Airlines flights from United States to Sofia

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

Turkish Airlines

Sep 7

JFK12:25 amNew York John F Kennedy Intl

31h 35m

1 stop

SOF3:00 pmSofia

Sep 29

SOF9:35 amSofia

15h 20m

1 stop

JFK5:55 pmNew York John F Kennedy Intl

$749

Turkish Airlines

Sep 17

SFO6:45 pmSan Francisco

34h 15m

1 stop

SOF3:00 pmSofia

Oct 1

SOF9:35 amSofia

17h 05m

1 stop

SFO4:40 pmSan Francisco

$800

Turkish Airlines

Sep 11

BOS9:50 pmBoston Logan Intl

34h 10m

1 stop

SOF3:00 pmSofia

Sep 27

SOF3:50 pmSofia

35h 05m

1 stop

BOS7:55 pmBoston Logan Intl

$804

British Airways flights from United States to Sofia

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

British Airways

Nov 9

LAX9:00 pmLos Angeles

37h 10m

1 stop

SOF8:10 pmSofia

Nov 23

SOF5:25 pmSofia

32h 25m

1 stop

LAX3:50 pmLos Angeles

$731

British Airways

Oct 14

SFO7:30 pmSan Francisco

31h 55m

1 stop

SOF1:25 pmSofia

Oct 28

SOF9:00 pmSofia

31h 45m

1 stop

SFO7:45 pmSan Francisco

$782

British Airways

Oct 14

SFO4:35 pmSan Francisco

34h 50m

1 stop

SOF1:25 pmSofia

Oct 28

SOF9:00 pmSofia

28h 00m

1 stop

SFO4:00 pmSan Francisco

$784

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiSofia

MIA - SOF

MIASOF

Miami

Tue 9/15

9:35 pm-1:15 am

2 stops44h 40m

Sofia

Tue 9/29

11:25 pm-8:00 pm

1 stop27h 35m

$616

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 10/14

10:00 pm-12:15 pm

1 stop31h 15m

Sofia

Wed 10/28

7:45 pm-2:00 am

2 stops36h 15m

$630

Quickest round-trip

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 11/10

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Tue 11/24

6:25 am-1:05 pm

1 stop16h 40m

$720

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 11/3

4:00 pm-6:20 pm

2 stops19h 20m

Sofia

Tue 11/17

7:55 am-11:27 pm

2 stops22h 32m

$765

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 11/2

2:30 pm-6:20 pm

2 stops20h 50m

Sofia

Wed 11/18

2:00 pm-9:32 pm

2 stops14h 32m

$771

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 11/2

3:00 pm-1:15 pm

2 stops15h 15m

Sofia

Mon 11/16

1:55 pm-11:27 pm

2 stops16h 32m

$779

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Fri 9/11

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Sun 9/27

3:50 pm-7:55 pm

1 stop35h 05m

$804

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 9/7

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Sat 9/26

9:35 am-7:55 pm

1 stop17h 20m

$808

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Fri 10/30

12:30 pm-2:05 pm

2 stops18h 35m

Sofia

Tue 11/10

7:00 am-6:37 pm

2 stops19h 37m

$896

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Fri 8/7

1:27 pm-2:00 pm

2 stops16h 33m

Sofia

Wed 9/9

7:00 am-4:57 pm

2 stops17h 57m

$902

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 $693 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 $585 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 40m
Direct flights	None

The fastest flight from United States to Sofia takes 11h 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 June 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 $387	Free Cancellation	Rating 7.6 935 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 9,831 reviews	Search United Airlines flights
Lufthansa	PriceFrom $396	Free Cancellation	Rating 6.8 8,061 reviews	Search Lufthansa flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,606 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,528 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 1,968 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,197 reviews	Search LOT flights
British Airways	PriceFrom $430	Free Cancellation	Rating 6.7 8,050 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 2,981 reviews	Search JetBlue flights
ITA Airways	PriceFrom $511	Free Cancellation	Rating 6.7 1,256 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.