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.

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 9h 55m 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 is the cheapest airline that flies from United States to Sofia?

British Airways, Austrian Airlines, and Air Canada 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 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.

$258 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.

10:30 am - 6:10 pm

LGA

SOF

24h 40m

2 stops

6:25 am - 2:42 pm

SOF

LGA

15h 17m

2 stops

$693Air Canada

Tue, Dec 1 - Tue, Dec 15

12:30 am - 11:35 pm

JFK

SOF

16h 05m

1 stop

6:30 pm - 10:30 pm

SOF

JFK

35h 00m

1 stop

$694Multiple Airlines

Thu, Aug 6 - Thu, Aug 27

10:29 am - 12:10 pm

LGA

SOF

18h 41m

2 stops

6:10 am - 11:30 pm

SOF

LGA

24h 20m

2 stops

$701United Airlines

Mon, Jul 13 - Wed, Aug 26

10:20 am - 11:40 am

LGA

SOF

18h 20m

2 stops

8:00 am - 8:25 pm

SOF

LGA

19h 25m

2 stops

$702United Airlines

Tue, Sep 1 - Fri, Sep 11

6:30 pm - 10:45 pm

LAX

SOF

19h 15m

1 stop

6:25 am - 1:05 pm

SOF

LAX

16h 40m

1 stop

$720Lufthansa

Wed, Oct 28 - Wed, Nov 11

5:30 pm - 6:20 pm

LAX

SOF

14h 50m

1 stop

6:25 am - 1:05 pm

SOF

LAX

16h 40m

1 stop

$721Lufthansa

Tue, Nov 3 - Tue, Nov 17

12:30 pm - 2:00 pm

IAD

SOF

18h 30m

2 stops

7:00 am - 5:33 pm

SOF

IAD

17h 33m

2 stops

$844KLM

Wed, Aug 19 - Tue, Sep 15

10:35 am - 8:45 am

MIA

SOF

15h 10m

1 stop

9:10 pm - 8:40 pm

SOF

MIA

30h 30m

1 stop

$845Turkish Airlines

Wed, Aug 19 - Wed, Aug 26

1:20 pm - 11:45 am

IAD

SOF

15h 25m

1 stop

1:05 pm - 7:50 pm

SOF

IAD

13h 45m

1 stop

$853Turkish Airlines

Thu, Oct 8 - Sun, Oct 18

1:18 pm - 2:00 pm

MDW

SOF

16h 42m

2 stops

7:00 am - 4:59 pm

SOF

MDW

17h 59m

2 stops

$908KLM

Tue, Jul 7 - Wed, Sep 2

Air Canada flights from United States to Sofia

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

Air Canada

Dec 1

LGA10:30 amNew York LaGuardia

24h 40m

2 stops

SOF6:10 pmSofia

Dec 15

SOF6:25 amSofia

15h 17m

2 stops

LGA2:42 pmNew York LaGuardia

$693

Air Canada

Nov 3

LGA4:45 pmNew York LaGuardia

18h 25m

2 stops

SOF6:10 pmSofia

Nov 17

SOF6:00 amSofia

20h 08m

2 stops

LGA7:08 pmNew York LaGuardia

$695

Air Canada

Sep 7

LGA2:30 pmNew York LaGuardia

14h 40m

2 stops

SOF12:10 pmSofia

Sep 22

SOF12:55 pmSofia

15h 35m

2 stops

LGA9:30 pmNew York LaGuardia

$698

KLM flights from United States to Sofia

Our best KLM deals on United States to Sofia flight tickets

KLM

Sep 1

SFO7:00 amSan Francisco

21h 00m

2 stops

SOF2:00 pmSofia

Sep 23

SOF7:00 amSofia

19h 57m

2 stops

SFO4:57 pmSan Francisco

$781

KLM

Sep 5

BOS1:34 pmBoston Logan Intl

17h 26m

2 stops

SOF2:00 pmSofia

Sep 13

SOF7:00 amSofia

16h 35m

1 stop

BOS4:35 pmBoston Logan Intl

$813

KLM

Aug 19

IAD12:30 pmWashington, D.C. Dulles Intl

18h 30m

2 stops

SOF2:00 pmSofia

Sep 15

SOF7:00 amSofia

17h 33m

2 stops

IAD5:33 pmWashington, D.C. Dulles Intl

$844

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 12/1

10:30 am-6:10 pm

2 stops24h 40m

Sofia

Tue 12/15

6:25 am-2:42 pm

2 stops15h 17m

$693

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 8/6

12:30 am-11:35 pm

1 stop16h 05m

Sofia

Thu 8/27

6:30 pm-10:30 pm

1 stop35h 00m

$694

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 7/13

10:29 am-12:10 pm

2 stops18h 41m

Sofia

Wed 8/26

6:10 am-11:30 pm

2 stops24h 20m

$701

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 9/1

10:20 am-11:40 am

2 stops18h 20m

Sofia

Fri 9/11

8:00 am-8:25 pm

2 stops19h 25m

$702

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Wed 10/28

6:30 pm-10:45 pm

1 stop19h 15m

Sofia

Wed 11/11

6:25 am-1:05 pm

1 stop16h 40m

$720

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Tue 11/3

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Tue 11/17

6:25 am-1:05 pm

1 stop16h 40m

$721

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 8/19

12:30 pm-2:00 pm

2 stops18h 30m

Sofia

Tue 9/15

7:00 am-5:33 pm

2 stops17h 33m

$844

MiamiSofia

MIA - SOF

MIASOF

Miami

Wed 8/19

10:35 am-8:45 am

1 stop15h 10m

Sofia

Wed 8/26

9:10 pm-8:40 pm

1 stop30h 30m

$845

Quickest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 10/8

1:20 pm-11:45 am

1 stop15h 25m

Sofia

Sun 10/18

1:05 pm-7:50 pm

1 stop13h 45m

$853

ChicagoSofia

MDW - SOF

MDWSOF

Chicago Midway

Tue 7/7

1:18 pm-2:00 pm

2 stops16h 42m

Sofia

Wed 9/2

7:00 am-4:59 pm

2 stops17h 59m

$908

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 August instead. Flights to Sofia in August, while not as cheap as those in April, still average around $679.

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 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	9h 55m
Direct flights	None

The fastest flight from United States to Sofia takes 9h 55m

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 7.6 923 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $394	Free Cancellation	Rating 7.4 9,775 reviews	Search United Airlines flights
Air France	PriceFrom $396	Free Cancellation	Rating 7.4 1,596 reviews	Search Air France flights
Lufthansa	PriceFrom $397	Free Cancellation	Rating 6.8 8,036 reviews	Search Lufthansa flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,524 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 1,964 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.5 1,198 reviews	Search LOT flights
British Airways	PriceFrom $430	Free Cancellation	Rating 6.7 8,027 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 2,982 reviews	Search JetBlue flights
ITA Airways	PriceFrom $511	Free Cancellation	Rating 6.7 1,247 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.