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 10h 40m on average. On the other hand, flying from Boston to Sofia takes 12h 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?

Air Serbia is the most popular carrier 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 42% 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 November 2025, there are 11 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.

$193 Cheap Flights from the United States to Sofia in 2025/26

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Recent round-trip flight deals from the United States to Sofia

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1:30 pm - 11:50 amBOS-SOF

15h 20m2 stops

7:55 am - 2:05 pmSOF-BOS

13h 10m1 stop

$342Austrian Airlines

Find Deal

Tue, Feb 10 - Tue, Feb 24

5:55 pm - 11:50 amEWR-SOF

10h 55m1 stop

7:55 am - 1:55 pmSOF-EWR

13h 00m1 stop

$354Austrian Airlines

Find Deal

Tue, Feb 10 - Tue, Feb 24

5:30 pm - 1:15 pmJFK-SOF

12h 45m1 stop

7:05 pm - 1:50 pmSOF-JFK

25h 45m2 stops

$413Lufthansa

Find Deal

Mon, Nov 24 - Mon, Dec 8

10:05 am - 1:50 pmJFK-SOF

20h 45m2 stops

6:05 am - 3:40 pmSOF-JFK

16h 35m1 stop

$417United Airlines

Find Deal

Wed, Feb 11 - Wed, Feb 25

5:30 pm - 6:20 pmJFK-SOF

17h 50m1 stop

2:20 pm - 1:05 pmSOF-JFK

29h 45m2 stops

$420United Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 15

6:30 pm - 1:15 pmJFK-SOF

12h 45m1 stop

6:05 am - 4:40 pmSOF-JFK

16h 35m1 stop

$421Lufthansa

Find Deal

Mon, Mar 9 - Tue, Mar 24

10:20 pm - 1:50 pmLAX-SOF

29h 30m1 stop

2:35 pm - 8:20 pmSOF-LAX

15h 45m1 stop

$501LOT

Find Deal

Wed, Feb 11 - Wed, Feb 25

1:30 pm - 8:50 pmIAD-SOF

24h 20m1 stop

9:40 pm - 11:45 amSOF-IAD

21h 05m1 stop

$503Turkish Airlines

Find Deal

Mon, Dec 1 - Wed, Dec 10

1:30 pm - 8:50 pmIAD-SOF

24h 20m1 stop

9:40 pm - 12:45 pmSOF-IAD

21h 05m1 stop

$521Turkish Airlines

Find Deal

Sun, Mar 1 - Fri, Mar 13

9:55 pm - 5:50 pmORD-SOF

11h 55m1 stop

2:35 pm - 8:00 pmSOF-ORD

13h 25m1 stop

$570LOT

Find Deal

Tue, Dec 2 - Tue, Dec 9

Air Canada flights from United States to Sofia

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

Air Canada

Nov 24

LGA5:35 pmNew York LaGuardia

12h 40m

2 stops

SOF1:15 pmSofia

Dec 8

SOF6:10 amSofia

15h 32m

2 stops

LGA2:42 pmNew York LaGuardia

$419

Find similar

Air Canada

Nov 24

EWR3:30 pmNewark

14h 45m

2 stops

SOF1:15 pmSofia

Dec 8

SOF6:10 amSofia

15h 42m

2 stops

EWR2:52 pmNewark

$421

Find similar

Air Canada

Nov 23

LGA6:05 amNew York LaGuardia

29h 15m

2 stops

SOF6:20 pmSofia

Dec 2

SOF6:05 amSofia

39h 23m

2 stops

LGA2:28 pmNew York LaGuardia

$424

Find similar

Austrian Airlines flights from United States to Sofia

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

Austrian Airlines

Feb 10

BOS1:30 pmBoston Logan Intl

15h 20m

2 stops

SOF11:50 amSofia

Feb 24

SOF7:55 amSofia

13h 10m

1 stop

BOS2:05 pmBoston Logan Intl

$342

Find similar

Austrian Airlines

Feb 10

EWR5:55 pmNewark

10h 55m

1 stop

SOF11:50 amSofia

Feb 24

SOF7:55 amSofia

13h 00m

1 stop

EWR1:55 pmNewark

$354

Find similar

Austrian Airlines

Apr 14

EWR5:40 pmNewark

17h 30m

1 stop

SOF6:10 pmSofia

Apr 28

SOF4:05 pmSofia

28h 50m

1 stop

EWR1:55 pmNewark

$355

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 2/10

1:30 pm-11:50 am

2 stops15h 20m

Sofia

Tue 2/24

7:55 am-2:05 pm

1 stop13h 10m

$342

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 2/10

5:55 pm-11:50 am

1 stop10h 55m

Sofia

Tue 2/24

7:55 am-1:55 pm

1 stop13h 00m

$354

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 11/24

5:30 pm-1:15 pm

1 stop12h 45m

Sofia

Mon 12/8

7:05 pm-1:50 pm

2 stops25h 45m

$413

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Wed 2/11

10:05 am-1:50 pm

2 stops20h 45m

Sofia

Wed 2/25

6:05 am-3:40 pm

1 stop16h 35m

$417

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 12/1

5:30 pm-6:20 pm

1 stop17h 50m

Sofia

Mon 12/15

2:20 pm-1:05 pm

2 stops29h 45m

$420

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 3/9

6:30 pm-1:15 pm

1 stop12h 45m

Sofia

Tue 3/24

6:05 am-4:40 pm

1 stop16h 35m

$421

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Wed 2/11

10:20 pm-1:50 pm

1 stop29h 30m

Sofia

Wed 2/25

2:35 pm-8:20 pm

1 stop15h 45m

$501

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 12/1

1:30 pm-8:50 pm

1 stop24h 20m

Sofia

Wed 12/10

9:40 pm-11:45 am

1 stop21h 05m

$503

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 3/1

1:30 pm-8:50 pm

1 stop24h 20m

Sofia

Fri 3/13

9:40 pm-12:45 pm

1 stop21h 05m

$521

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Tue 12/2

9:55 pm-5:50 pm

1 stop11h 55m

Sofia

Tue 12/9

2:35 pm-8:00 pm

1 stop13h 25m

$570

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 September. Flight prices, which tend to average around $587, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Sofia from United States during October instead. Flights to Sofia in October, while not as cheap as those in September, still average around $599.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Monday is the cheapest day to fly to Sofia from United States. The lowest ticket price found for a Monday departure recently was $795. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from United States to Sofia on a Saturday will generally be more expensive and average around $1,032. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from United States to Sofia when you can find flight prices for as low as $618. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $969 per ticket.

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 week ahead of your departure date. In general, you can expect to find flights to Sofia for around $706 when searching week 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 $634 on momondo.

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

You could potentially save up to 8% 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

Direct flights	None

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 November 2025, there are 11 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 $398	Free Cancellation	Rating 7.6 868 reviews	Search Austrian Airlines flights
SWISS	PriceFrom $401	Free Cancellation	Rating 7.5 1,784 reviews	Search SWISS flights
British Airways	PriceFrom $406	Free Cancellation	Rating 6.7 7,516 reviews	Search British Airways flights
KLM	PriceFrom $407	Free Cancellation	Rating 7.7 1,410 reviews	Search KLM flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,486 reviews	Search Air France flights
United Airlines	PriceFrom $428	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
LOT	PriceFrom $437	Free Cancellation	Rating 7.5 1,134 reviews	Search LOT flights
Lufthansa	PriceFrom $451	Free Cancellation	Rating 6.8 7,570 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $497	Free Cancellation	Rating 7.3 4,043 reviews	Search Turkish Airlines flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,082 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 $193

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 11/28. 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

Recent round-trip flight deals from the United States to Sofia

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Air Canada flights from United States to Sofia

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

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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

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

What is the cheapest time of day to depart on your flight 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 8% 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?

Air Serbia is the most popular carrier 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

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