What airlines fly to United States?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to United States from Sofia according to our data. Lufthansa is the first choice among our users, with 39% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 9 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Sofia to United States?

Air Serbia, British Airways, and LOT are the most popular carriers operating from Sofia to United States

When did momondo last update prices for flights from Sofia Airport to United States?

Prices for flights from Sofia Airport to United States were last updated today.

How many operators does momondo search for flights from Sofia Airport to United States?

The number of operators available for flights from Sofia Airport to United States is 9 as of April 2026.

How old do you have to be to fly from Sofia Airport to United States?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sofia Airport to United States.

What documentation or ID do you need to fly to United States?

The necessary travel and health documents for your United States 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.

$288 Cheap Flights from Sofia to the United States in 2026

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Find the cheapest flights from Sofia to the United States

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:40 pm - 9:05 pm

SOF

BOS

30h 25m

1 stop

10:50 pm - 9:45 am

BOS

SOF

27h 55m

1 stop

$534Multiple Airlines

mié., may. 6 - mar., jun. 16

6:30 am - 9:05 pm

SOF

BOS

21h 35m

2 stops

10:50 pm - 9:45 am

BOS

SOF

27h 55m

1 stop

$563Multiple Airlines

jue., may. 7 - mar., jun. 16

7:00 am - 3:35 pm

SOF

IAD

15h 35m

1 stop

12:30 pm - 2:00 pm

IAD

SOF

18h 30m

2 stops

$630KLM

sáb., may. 2 - mié., sep. 9

7:00 am - 7:16 pm

SOF

IAD

19h 16m

2 stops

5:35 pm - 2:00 pm

IAD

SOF

13h 25m

1 stop

$635KLM

mié., sep. 9 - mié., dic. 9

2:05 pm - 10:30 pm

SOF

EWR

15h 25m

1 stop

12:25 am - 3:00 pm

EWR

SOF

31h 35m

1 stop

$641Turkish Airlines

dom., abr. 26 - lun., may. 11

2:05 pm - 10:30 pm

SOF

EWR

15h 25m

1 stop

12:25 am - 3:00 pm

EWR

SOF

31h 35m

1 stop

$642Turkish Airlines

vie., abr. 17 - jue., abr. 30

5:25 am - 3:40 pm

SOF

JFK

17h 15m

1 stop

10:20 pm - 1:50 pm

JFK

SOF

32h 30m

1 stop

$675LOT

mié., abr. 15 - jue., abr. 23

5:30 am - 5:45 pm

SOF

EWR

19h 15m

2 stops

10:35 pm - 5:50 pm

EWR

SOF

12h 15m

1 stop

$676LOT

lun., jun. 1 - mié., nov. 4

6:30 am - 2:37 pm

SOF

LGA

15h 07m

2 stops

2:32 pm - 12:10 pm

LGA

SOF

14h 38m

2 stops

$787United Airlines

jue., sep. 3 - sáb., sep. 12

6:20 am - 6:18 pm

SOF

LGA

18h 58m

2 stops

2:51 pm - 1:05 pm

LGA

SOF

15h 14m

2 stops

$788United Airlines

lun., may. 11 - mar., may. 26

KLM flights from Sofia to United States

Our best KLM deals on Sofia to United States flight tickets

KLM

May 2

SOF7:00 amSofia

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 9

IAD12:30 pmWashington, D.C. Dulles Intl

18h 30m

2 stops

SOF2:00 pmSofia

$630

KLM

Sep 9

SOF7:00 amSofia

19h 16m

2 stops

IAD7:16 pmWashington, D.C. Dulles Intl

Dec 9

IAD5:35 pmWashington, D.C. Dulles Intl

13h 25m

1 stop

SOF2:00 pmSofia

$635

KLM

May 2

SOF7:00 amSofia

18h 08m

2 stops

IAD6:08 pmWashington, D.C. Dulles Intl

Sep 9

IAD12:30 pmWashington, D.C. Dulles Intl

18h 30m

2 stops

SOF2:00 pmSofia

$640

Lufthansa flights from Sofia to United States

Our best Lufthansa deals on Sofia to United States flight tickets

Lufthansa

Apr 16

SOF6:30 amSofia

16h 10m

1 stop

BOS3:40 pmBoston Logan Intl

Apr 29

BOS7:30 pmBoston Logan Intl

15h 35m

2 stops

SOF6:05 pmSofia

$789

Lufthansa

Apr 14

SOF6:10 amSofia

14h 30m

2 stops

EWR1:40 pmNewark

Apr 22

EWR5:00 pmNewark

12h 10m

1 stop

SOF12:10 pmSofia

$821

Lufthansa

Apr 13

SOF6:10 amSofia

15h 55m

2 stops

IAD3:05 pmWashington, D.C. Dulles Intl

Apr 26

IAD5:25 pmWashington, D.C. Dulles Intl

11h 45m

1 stop

SOF12:10 pmSofia

$853

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaBoston

SOF - BOS

SOFBOS

Sofia

mié. 5/6

9:40 pm-9:05 pm

1 stop30h 25m

Boston Logan Intl

mar. 6/16

10:50 pm-9:45 am

1 stop27h 55m

$534

SofiaBoston

SOF - BOS

SOFBOS

Sofia

jue. 5/7

6:30 am-9:05 pm

2 stops21h 35m

Boston Logan Intl

mar. 6/16

10:50 pm-9:45 am

1 stop27h 55m

$563

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

sáb. 5/2

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

mié. 9/9

12:30 pm-2:00 pm

2 stops18h 30m

$630

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

mié. 9/9

7:00 am-7:16 pm

2 stops19h 16m

Washington, D.C. Dulles Intl

mié. 12/9

5:35 pm-2:00 pm

1 stop13h 25m

$635

SofiaNewark

SOF - EWR

SOFEWR

Sofia

dom. 4/26

2:05 pm-10:30 pm

1 stop15h 25m

Newark

lun. 5/11

12:25 am-3:00 pm

1 stop31h 35m

$641

SofiaNewark

SOF - EWR

SOFEWR

Sofia

vie. 4/17

2:05 pm-10:30 pm

1 stop15h 25m

Newark

jue. 4/30

12:25 am-3:00 pm

1 stop31h 35m

$642

SofiaNew York

SOF - JFK

SOFJFK

Sofia

mié. 4/15

5:25 am-3:40 pm

1 stop17h 15m

New York John F Kennedy Intl

jue. 4/23

10:20 pm-1:50 pm

1 stop32h 30m

$675

SofiaNewark

SOF - EWR

SOFEWR

Sofia

lun. 6/1

5:30 am-5:45 pm

2 stops19h 15m

Newark

mié. 11/4

10:35 pm-5:50 pm

1 stop12h 15m

$676

Quickest round-trip

SofiaNew York

SOF - LGA

SOFLGA

Sofia

jue. 9/3

6:30 am-2:37 pm

2 stops15h 07m

New York LaGuardia

sáb. 9/12

2:32 pm-12:10 pm

2 stops14h 38m

$787

SofiaNew York

SOF - LGA

SOFLGA

Sofia

lun. 5/11

6:20 am-6:18 pm

2 stops18h 58m

New York LaGuardia

mar. 5/26

2:51 pm-1:05 pm

2 stops15h 14m

$788

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 Sofia to United States

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

What is the cheapest month to fly to United States?

In general, September is the cheapest month to fly from Sofia to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $602. If you aren’t able to travel during the month of September, then book flights to United States from Sofia during November instead. Flights to United States in November, while not as cheap as those in September, still average around $613.

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Sofia when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $724 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Sofia for as low as $576 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a Sofia to United States flight.

Cheap Sofia to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to United States

Fastest flight time	11h 45m
Direct flights	None

The fastest flight from Sofia to United States takes 11h 45m

There are no direct flights from Sofia to United States. There are no popular flight routes from Sofia to United States.

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Frequently asked questions about flying from Sofia to the United States

When did momondo last update prices for flights from Sofia Airport to United States?
Prices for flights from Sofia Airport to United States were last updated today.
How many operators does momondo search for flights from Sofia Airport to United States?
The number of operators available for flights from Sofia Airport to United States is 9 as of April 2026.
How old do you have to be to fly from Sofia Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sofia Airport to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States 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 Sofia to United States

Compare and see reviews for airlines that fly from Sofia to United States with momondo

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom $561	Free Cancellation	Rating 7.4 1,562 reviews	Search Air France flights
KLM	PriceFrom $562	Free Cancellation	Rating 7.7 1,485 reviews	Search KLM flights
Turkish Airlines	PriceFrom $562	Free Cancellation	Rating 7.3 4,293 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $577	Free Cancellation	Rating 6.7 7,841 reviews	Search British Airways flights
Austrian Airlines	PriceFrom $590	Free Cancellation	Rating 7.6 904 reviews	Search Austrian Airlines flights
LOT	PriceFrom $592	Free Cancellation	Rating 7.5 1,181 reviews	Search LOT flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,536 reviews	Search United Airlines flights
Lufthansa	PriceFrom $640	Free Cancellation	Rating 6.8 7,885 reviews	Search Lufthansa flights
ITA Airways	PriceFrom $819	Free Cancellation	Rating 6.7 1,175 reviews	Search ITA Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sofia to United States. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sofia to United States with flexible booking policies on momondo?

Flights from Sofia to United States with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sofia to United States?

momondo provides multiple filters to help you find the best flight to United States from Sofia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sofia to United States right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Sofia to United States now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United States and let you know when they change.