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 05m on average. On the other hand, flying from Boston to Sofia takes 11h 50m 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 45% 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?

British Airways, United Airlines, and SWISS 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 April 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.

$262 Cheap Flights from the United States to Sofia in 2026

Discover deals from 900+ travel sites with momondo.

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

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.

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

3:50 pm - 7:55 pm

SOF

BOS

35h 05m

1 stop

$497Turkish Airlines

Tue, Apr 28 - Tue, May 5

9:50 pm - 8:15 pm

BOS

SOF

15h 25m

1 stop

9:35 am - 7:55 pm

SOF

BOS

17h 20m

1 stop

$514Turkish Airlines

Tue, Oct 6 - Tue, Oct 20

7:30 pm - 3:30 pm

JFK

SOF

13h 00m

1 stop

5:00 am - 5:30 pm

SOF

JFK

19h 30m

1 stop

$528Air Serbia

Sat, Sep 5 - Sat, Sep 19

7:30 pm - 3:30 pm

JFK

SOF

13h 00m

1 stop

5:00 am - 5:30 pm

SOF

JFK

19h 30m

1 stop

$532Air Serbia

Thu, Sep 10 - Thu, Sep 24

11:20 am - 1:25 pm

LGA

SOF

19h 05m

2 stops

6:10 am - 8:59 pm

SOF

LGA

21h 49m

2 stops

$650United Airlines

Wed, Apr 29 - Tue, May 5

10:35 am - 6:40 pm

LGA

SOF

25h 05m

2 stops

12:55 pm - 9:30 pm

SOF

LGA

15h 35m

2 stops

$653Air Canada

Wed, Oct 7 - Wed, Oct 14

3:30 pm - 6:40 pm

LGA

SOF

20h 10m

2 stops

6:10 am - 2:36 pm

SOF

LGA

15h 26m

2 stops

$661Air Canada

Tue, Sep 8 - Tue, Sep 22

2:32 pm - 12:10 pm

LGA

SOF

14h 38m

2 stops

6:10 am - 2:36 pm

SOF

LGA

15h 26m

2 stops

$662United Airlines

Mon, Sep 7 - Tue, Sep 22

1:24 pm - 2:00 pm

MDW

SOF

16h 36m

2 stops

7:00 am - 6:33 pm

SOF

MDW

19h 33m

2 stops

$952KLM

Tue, May 5 - Tue, May 12

1:00 pm - 2:00 pm

MDW

SOF

17h 00m

2 stops

7:00 am - 4:27 pm

SOF

MDW

17h 27m

2 stops

$973KLM

Tue, Sep 8 - Tue, Sep 22

KLM flights from United States to Sofia

Our best KLM deals on United States to Sofia flight tickets

KLM

Apr 15

JFK6:15 pmNew York John F Kennedy Intl

12h 45m

1 stop

SOF2:00 pmSofia

Apr 30

SOF7:00 amSofia

17h 03m

1 stop

JFK5:03 pmNew York John F Kennedy Intl

$628

KLM

May 12

JFK10:30 pmNew York John F Kennedy Intl

32h 30m

1 stop

SOF2:00 pmSofia

May 26

SOF7:00 amSofia

12h 24m

1 stop

JFK12:24 pmNew York John F Kennedy Intl

$659

KLM

Apr 15

JFK4:40 pmNew York John F Kennedy Intl

14h 20m

1 stop

SOF2:00 pmSofia

Apr 30

SOF7:00 amSofia

17h 03m

1 stop

JFK5:03 pmNew York John F Kennedy Intl

$747

Turkish Airlines flights from United States to Sofia

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

Turkish Airlines

Apr 28

BOS9:50 pmBoston Logan Intl

34h 10m

1 stop

SOF3:00 pmSofia

May 5

SOF3:50 pmSofia

35h 05m

1 stop

BOS7:55 pmBoston Logan Intl

$497

Turkish Airlines

Oct 6

BOS9:50 pmBoston Logan Intl

15h 25m

1 stop

SOF8:15 pmSofia

Oct 20

SOF9:35 amSofia

17h 20m

1 stop

BOS7:55 pmBoston Logan Intl

$514

Turkish Airlines

Oct 7

BOS9:50 pmBoston Logan Intl

27h 55m

1 stop

SOF8:45 amSofia

Oct 21

SOF3:50 pmSofia

35h 05m

1 stop

BOS7:55 pmBoston Logan Intl

$515

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 4/28

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Tue 5/5

3:50 pm-7:55 pm

1 stop35h 05m

$497

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 10/6

9:50 pm-8:15 pm

1 stop15h 25m

Sofia

Tue 10/20

9:35 am-7:55 pm

1 stop17h 20m

$514

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sat 9/5

7:30 pm-3:30 pm

1 stop13h 00m

Sofia

Sat 9/19

5:00 am-5:30 pm

1 stop19h 30m

$528

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 9/10

7:30 pm-3:30 pm

1 stop13h 00m

Sofia

Thu 9/24

5:00 am-5:30 pm

1 stop19h 30m

$532

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Wed 4/29

11:20 am-1:25 pm

2 stops19h 05m

Sofia

Tue 5/5

6:10 am-8:59 pm

2 stops21h 49m

$650

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Wed 10/7

10:35 am-6:40 pm

2 stops25h 05m

Sofia

Wed 10/14

12:55 pm-9:30 pm

2 stops15h 35m

$653

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 9/8

3:30 pm-6:40 pm

2 stops20h 10m

Sofia

Tue 9/22

6:10 am-2:36 pm

2 stops15h 26m

$661

Quickest round-trip

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 9/7

2:32 pm-12:10 pm

2 stops14h 38m

Sofia

Tue 9/22

6:10 am-2:36 pm

2 stops15h 26m

$662

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 5/5

1:24 pm-2:00 pm

2 stops16h 36m

Sofia

Tue 5/12

7:00 am-6:33 pm

2 stops19h 33m

$952

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 9/8

1:00 pm-2:00 pm

2 stops17h 00m

Sofia

Tue 9/22

7:00 am-4:27 pm

2 stops17h 27m

$973

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 $510, 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 November instead. Flights to Sofia in November, while not as cheap as those in February, still average around $516.

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 $667 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 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	11h 05m
Direct flights	None

The fastest flight from United States to Sofia takes 11h 05m

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 April 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
SWISS	PriceFrom $193	Free Cancellation	Rating 7.5 1,916 reviews	Search SWISS flights
British Airways	PriceFrom $356	Free Cancellation	Rating 6.7 7,873 reviews	Search British Airways flights
KLM	PriceFrom $380	Free Cancellation	Rating 7.8 1,495 reviews	Search KLM flights
Austrian Airlines	PriceFrom $394	Free Cancellation	Rating 7.6 904 reviews	Search Austrian Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,566 reviews	Search Air France flights
United Airlines	PriceFrom $409	Free Cancellation	Rating 7.4 9,573 reviews	Search United Airlines flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,188 reviews	Search LOT flights
Lufthansa	PriceFrom $418	Free Cancellation	Rating 6.8 7,913 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $449	Free Cancellation	Rating 7.3 4,305 reviews	Search Turkish Airlines flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.2 2,931 reviews	Search JetBlue 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.