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.

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 12h 15m on average. On the other hand, flying from Los Angeles to Sofia takes 14h 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 is the cheapest airline that flies from United States to Sofia?

United Airlines, British Airways, 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 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.

$225 Cheap Flights from the United States to Sofia in 2025/26

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.

5:55 pm - 6:00 pmEWR-SOF

17h 05m1 stop

6:45 pm - 1:55 pmSOF-EWR

26h 10m1 stop

$354Austrian Airlines

Find Deal

mié., feb. 18 - mié., mar. 4

5:55 pm - 11:50 amEWR-SOF

10h 55m1 stop

7:55 am - 1:55 pmSOF-EWR

13h 00m1 stop

$355Austrian Airlines

Find Deal

mar., feb. 17 - mar., mar. 3

2:20 pm - 1:15 pmBOS-SOF

15h 55m2 stops

2:20 pm - 1:35 pmSOF-BOS

30h 15m1 stop

$365Lufthansa

Find Deal

lun., ene. 12 - lun., ene. 26

10:35 pm - 5:50 pmEWR-SOF

12h 15m1 stop

2:35 pm - 8:25 pmSOF-EWR

12h 50m1 stop

$375LOT

Find Deal

mar., ene. 20 - mar., feb. 3

8:40 pm - 10:45 pmBOS-SOF

19h 05m1 stop

2:20 pm - 1:35 pmSOF-BOS

30h 15m1 stop

$380Lufthansa

Find Deal

lun., ene. 12 - lun., ene. 26

10:05 am - 6:00 pmJFK-SOF

24h 55m2 stops

6:10 am - 9:17 pmSOF-JFK

22h 07m2 stops

$423United Airlines

Find Deal

mar., abr. 21 - mar., may. 5

7:29 pm - 1:15 pmLGA-SOF

34h 46m2 stops

2:20 pm - 4:57 pmSOF-LGA

33h 37m2 stops

$426United Airlines

Find Deal

dom., ene. 11 - lun., ene. 26

10:35 pm - 5:50 pmJFK-SOF

12h 15m1 stop

6:35 pm - 8:35 pmSOF-JFK

33h 00m1 stop

$436LOT

Find Deal

sáb., feb. 28 - jue., mar. 5

1:30 pm - 3:10 pmIAD-SOF

18h 40m1 stop

9:40 pm - 11:45 amSOF-IAD

21h 05m1 stop

$521Turkish Airlines

Find Deal

dom., feb. 1 - vie., feb. 13

9:15 pm - 8:50 pmIAD-SOF

16h 35m1 stop

9:40 pm - 8:20 pmSOF-IAD

28h 40m1 stop

$530Turkish Airlines

Find Deal

dom., mar. 1 - vie., mar. 13

Austrian Airlines flights from United States to Sofia

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

Austrian Airlines

Feb 18

EWR5:55 pmNewark

17h 05m

1 stop

SOF6:00 pmSofia

Mar 4

SOF6:45 pmSofia

26h 10m

1 stop

EWR1:55 pmNewark

$354

Find similar

Austrian Airlines

Feb 17

EWR5:55 pmNewark

10h 55m

1 stop

SOF11:50 amSofia

Mar 3

SOF7:55 amSofia

13h 00m

1 stop

EWR1:55 pmNewark

$355

Find similar

Austrian Airlines

Jan 12

EWR5:55 pmNewark

23h 00m

1 stop

SOF11:55 pmSofia

Jan 26

SOF12:35 pmSofia

32h 20m

1 stop

EWR1:55 pmNewark

$356

Find similar

Lufthansa flights from United States to Sofia

Our best Lufthansa deals on United States to Sofia flight tickets

Lufthansa

Jan 12

BOS2:20 pmBoston Logan Intl

15h 55m

2 stops

SOF1:15 pmSofia

Jan 26

SOF2:20 pmSofia

30h 15m

1 stop

BOS1:35 pmBoston Logan Intl

$365

Find similar

Lufthansa

Jan 12

BOS8:40 pmBoston Logan Intl

19h 05m

1 stop

SOF10:45 pmSofia

Jan 26

SOF2:20 pmSofia

30h 15m

1 stop

BOS1:35 pmBoston Logan Intl

$380

Find similar

Lufthansa

Jan 8

BOS7:07 pmBoston Logan Intl

20h 38m

2 stops

SOF10:45 pmSofia

Jan 22

SOF2:00 pmSofia

11h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$388

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NewarkSofia

EWR - SOF

EWRSOF

Newark

mié. 2/18

5:55 pm-6:00 pm

1 stop17h 05m

Sofia

mié. 3/4

6:45 pm-1:55 pm

1 stop26h 10m

$354

NewarkSofia

EWR - SOF

EWRSOF

Newark

mar. 2/17

5:55 pm-11:50 am

1 stop10h 55m

Sofia

mar. 3/3

7:55 am-1:55 pm

1 stop13h 00m

$355

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 1/12

2:20 pm-1:15 pm

2 stops15h 55m

Sofia

lun. 1/26

2:20 pm-1:35 pm

1 stop30h 15m

$365

NewarkSofia

EWR - SOF

EWRSOF

Newark

mar. 1/20

10:35 pm-5:50 pm

1 stop12h 15m

Sofia

mar. 2/3

2:35 pm-8:25 pm

1 stop12h 50m

$375

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 1/12

8:40 pm-10:45 pm

1 stop19h 05m

Sofia

lun. 1/26

2:20 pm-1:35 pm

1 stop30h 15m

$380

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

mar. 4/21

10:05 am-6:00 pm

2 stops24h 55m

Sofia

mar. 5/5

6:10 am-9:17 pm

2 stops22h 07m

$423

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

dom. 1/11

7:29 pm-1:15 pm

2 stops34h 46m

Sofia

lun. 1/26

2:20 pm-4:57 pm

2 stops33h 37m

$426

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

sáb. 2/28

10:35 pm-5:50 pm

1 stop12h 15m

Sofia

jue. 3/5

6:35 pm-8:35 pm

1 stop33h 00m

$436

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

dom. 2/1

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

vie. 2/13

9:40 pm-11:45 am

1 stop21h 05m

$521

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

dom. 3/1

9:15 pm-8:50 pm

1 stop16h 35m

Sofia

vie. 3/13

9:40 pm-8:20 pm

1 stop28h 40m

$530

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 $713 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 7.6 874 reviews	Search Austrian Airlines flights
SWISS	PriceFrom $401	Free Cancellation	Rating 7.5 1,788 reviews	Search SWISS flights
British Airways	PriceFrom $406	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights
KLM	PriceFrom $407	Free Cancellation	Rating 7.7 1,414 reviews	Search KLM flights
Air France	PriceFrom $416	Free Cancellation	Rating 7.4 1,493 reviews	Search Air France flights
United Airlines	PriceFrom $428	Free Cancellation	Rating 7.4 9,029 reviews	Search United Airlines flights
LOT	PriceFrom $437	Free Cancellation	Rating 7.5 1,137 reviews	Search LOT flights
Lufthansa	PriceFrom $451	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $497	Free Cancellation	Rating 7.3 4,044 reviews	Search Turkish Airlines flights
ITA Airways	PriceFrom $505	Free Cancellation	Rating 6.7 1,086 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

sáb. 12/20

sáb. 12/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Cheap flights from the United States to Sofia from $225

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 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Sofia

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

Recent one-way flight deals from the United States to Sofia

Recent last minute flight deals from the United States to Sofia

Austrian Airlines flights from United States to Sofia

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

Lufthansa flights from United States to Sofia

Our best Lufthansa deals on United States to Sofia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Sofia that are best for you.

See travel insights to Sofia from

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?

United Airlines, British Airways, and Air Canada are the most popular carriers 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