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 on average. On the other hand, flying from New York to Sofia takes 10h 35m 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 Air Canada 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 41% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 13 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 May 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.

$314 Cheap Flights from the United States to Sofia in 2026

1 adult

0 bags

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.

12:30 am - 7:30 pm

JFK

SOF

12h 00m

1 stop

6:30 pm - 10:30 pm

SOF

JFK

35h 00m

1 stop

$614Multiple Airlines

Mon, Jul 20 - Thu, Sep 10

6:30 pm - 2:00 pm

JFK

SOF

12h 30m

1 stop

7:00 am - 2:35 pm

SOF

JFK

14h 35m

1 stop

$618Multiple Airlines

Tue, Jul 28 - Tue, Aug 25

4:25 pm - 6:40 pm

LGA

SOF

19h 15m

2 stops

6:10 am - 6:45 pm

SOF

LGA

19h 35m

2 stops

$631United Airlines

Wed, Aug 19 - Wed, Aug 26

4:40 pm - 2:00 pm

BOS

SOF

14h 20m

1 stop

7:00 am - 1:18 pm

SOF

BOS

13h 18m

1 stop

$659KLM

Tue, Jul 14 - Tue, Aug 25

1:35 pm - 2:00 pm

BOS

SOF

17h 25m

2 stops

7:00 am - 4:37 pm

SOF

BOS

16h 37m

1 stop

$664KLM

Tue, Jul 14 - Tue, Aug 25

7:55 pm - 12:10 pm

LGA

SOF

33h 15m

2 stops

12:55 pm - 11:22 pm

SOF

LGA

17h 27m

2 stops

$665United Airlines

Sat, Sep 12 - Wed, Sep 30

9:50 pm - 3:00 pm

BOS

SOF

34h 10m

1 stop

9:05 pm - 7:55 pm

SOF

BOS

29h 50m

1 stop

$698Turkish Airlines

Thu, Oct 1 - Sat, Oct 17

9:40 pm - 10:45 pm

SFO

SOF

15h 05m

1 stop

6:10 am - 12:40 pm

SOF

SFO

16h 30m

1 stop

$727Lufthansa

Wed, Nov 11 - Wed, Nov 25

9:40 pm - 10:45 pm

SFO

SOF

15h 05m

1 stop

6:10 am - 12:40 pm

SOF

SFO

16h 30m

1 stop

$729Lufthansa

Tue, Nov 10 - Tue, Nov 24

7:15 pm - 8:45 am

SEA

SOF

27h 30m

1 stop

1:05 pm - 10:40 am

SOF

SEA

31h 35m

1 stop

$735Turkish Airlines

Sun, Aug 9 - Fri, Sep 4

LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Nov 11

LAX10:20 pmLos Angeles

29h 30m

1 stop

SOF1:50 pmSofia

Nov 25

SOF2:35 pmSofia

15h 45m

1 stop

LAX8:20 pmLos Angeles

$682

LOT

Aug 11

LAX10:05 pmLos Angeles

17h 50m

1 stop

SOF1:55 amSofia

Aug 25

SOF2:35 pmSofia

15h 30m

1 stop

LAX8:05 pmLos Angeles

$690

LOT

Nov 10

LAX4:15 pmLos Angeles

15h 35m

1 stop

SOF5:50 pmSofia

Nov 24

SOF6:35 pmSofia

35h 45m

1 stop

LAX8:20 pmLos Angeles

$702

Air France flights from United States to Sofia

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

Air France

Jul 28

JFK4:30 pmNew York John F Kennedy Intl

14h 30m

1 stop

SOF2:00 pmSofia

Aug 13

SOF7:00 amSofia

13h 55m

1 stop

JFK1:55 pmNew York John F Kennedy Intl

$648

Air France

Jul 7

JFK6:30 pmNew York John F Kennedy Intl

12h 30m

1 stop

SOF2:00 pmSofia

Sep 8

SOF7:00 amSofia

15h 50m

1 stop

JFK3:50 pmNew York John F Kennedy Intl

$678

Air France

Jul 28

JFK6:30 pmNew York John F Kennedy Intl

12h 30m

1 stop

SOF2:00 pmSofia

Aug 18

SOF7:00 amSofia

13h 55m

1 stop

JFK1:55 pmNew York John F Kennedy Intl

$688

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 7/20

12:30 am-7:30 pm

1 stop12h 00m

Sofia

Thu 9/10

6:30 pm-10:30 pm

1 stop35h 00m

$614

Quickest round-trip

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Tue 7/28

6:30 pm-2:00 pm

1 stop12h 30m

Sofia

Tue 8/25

7:00 am-2:35 pm

1 stop14h 35m

$618

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Wed 8/19

4:25 pm-6:40 pm

2 stops19h 15m

Sofia

Wed 8/26

6:10 am-6:45 pm

2 stops19h 35m

$631

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 7/14

4:40 pm-2:00 pm

1 stop14h 20m

Sofia

Tue 8/25

7:00 am-1:18 pm

1 stop13h 18m

$659

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 7/14

1:35 pm-2:00 pm

2 stops17h 25m

Sofia

Tue 8/25

7:00 am-4:37 pm

1 stop16h 37m

$664

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Sat 9/12

7:55 pm-12:10 pm

2 stops33h 15m

Sofia

Wed 9/30

12:55 pm-11:22 pm

2 stops17h 27m

$665

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Thu 10/1

9:50 pm-3:00 pm

1 stop34h 10m

Sofia

Sat 10/17

9:05 pm-7:55 pm

1 stop29h 50m

$698

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/11

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/25

6:10 am-12:40 pm

1 stop16h 30m

$727

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 11/24

6:10 am-12:40 pm

1 stop16h 30m

$729

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 8/9

7:15 pm-8:45 am

1 stop27h 30m

Sofia

Fri 9/4

1:05 pm-10:40 am

1 stop31h 35m

$735

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 $667, 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 $688.

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 $671 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 $588 on momondo.

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

You could potentially save up to 37% 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 00m
Direct flights	None

The fastest flight from United States to Sofia takes 10h 00m

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 May 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 1,946 reviews	Search SWISS flights
Austrian Airlines	PriceFrom $387	Free Cancellation	Rating 7.6 914 reviews	Search Austrian Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,587 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,517 reviews	Search KLM flights
British Airways	PriceFrom $406	Free Cancellation	Rating 6.7 7,982 reviews	Search British Airways flights
United Airlines	PriceFrom $409	Free Cancellation	Rating 7.4 9,727 reviews	Search United Airlines flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,190 reviews	Search LOT flights
Lufthansa	PriceFrom $416	Free Cancellation	Rating 6.8 8,004 reviews	Search Lufthansa flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 2,977 reviews	Search JetBlue flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,217 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.