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 12 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

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

British Airways, United Airlines, and Lufthansa are the most popular carriers operating from United States to Sofia

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 Miami 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.

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 September 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.

$212 Cheap Flights from the United States to Sofia in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

8:50 pm - 8:10 pmLAX Los Angeles Los Angeles-SOF Sofia

37h 20m1 stop London Heathrow

5:15 pm - 1:25 pmSOF Sofia-LAX Los Angeles Los Angeles

30h 10m1 stop London Heathrow

$589British Airways

Mon, Nov 30 - Mon, Dec 7

3:45 pm - 7:20 pmLAX Los Angeles Los Angeles-SOF Sofia

17h 35m1 stop London Heathrow

5:15 pm - 3:50 pmSOF Sofia-LAX Los Angeles Los Angeles

32h 35m1 stop London Heathrow

$589British Airways

Sun, Oct 18 - Mon, Nov 2

4:00 pm - 1:05 amIAD Washington, D.C. Dulles Intl-SOF Sofia

26h 05m2 stops Toronto Pearson Intl Madrid Barajas

5:25 pm - 7:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

33h 00m2 stops Madrid Barajas Munich Franz Josef Strauss

$596Multiple Airlines

Mon, Oct 5 - Mon, Oct 19

8:35 pm - 7:20 pmSFO San Francisco-SOF Sofia

36h 45m1 stop London Heathrow

9:05 pm - 2:55 pmSOF Sofia-SFO San Francisco

27h 50m1 stop London Heathrow

$605Multiple Airlines

Wed, Nov 4 - Wed, Nov 18

6:00 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SOF Sofia

10h 50m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$606Austrian Airlines

Tue, Nov 10 - Tue, Nov 24

6:10 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

22h 45m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$606Austrian Airlines

Tue, Dec 1 - Tue, Dec 8

5:30 pm - 6:20 pmLAX Los Angeles Los Angeles-SOF Sofia

14h 50m1 stop Munich Franz Josef Strauss

6:00 am - 3:15 pmSOF Sofia-LAX Los Angeles Los Angeles

19h 15m1 stop Munich Franz Josef Strauss

$608Lufthansa

Tue, Nov 3 - Tue, Nov 10

5:30 pm - 6:20 pmLAX Los Angeles Los Angeles-SOF Sofia

14h 50m1 stop Munich Franz Josef Strauss

6:00 am - 3:15 pmSOF Sofia-LAX Los Angeles Los Angeles

19h 15m1 stop Munich Franz Josef Strauss

$608Lufthansa

Tue, Nov 3 - Thu, Dec 10

1:15 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 00m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$622United Airlines

Tue, Nov 3 - Tue, Nov 17

4:17 pm - 10:55 pmLAX Los Angeles Los Angeles-SOF Sofia

20h 38m2 stops Denver Intl Munich Franz Josef Strauss

6:00 am - 3:15 pmSOF Sofia-LAX Los Angeles Los Angeles

19h 15m1 stop Munich Franz Josef Strauss

$624United Airlines

Mon, Nov 2 - Tue, Dec 8

Recent last minute flight deals from the United States to Sofia

Enter your travel dates to find the best prices.

12:25 pm - 12:15 pmDFW Dallas/Fort Worth-SOF Sofia

39h 50m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

6:30 am - 9:34 pmSOF Sofia-DFW Dallas/Fort Worth

23h 04m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$696Multiple Airlines

Sun, Sep 20 - Thu, Oct 8

11:50 am - 2:55 pmDFW Dallas/Fort Worth-SOF Sofia

43h 05m2 stops Chicago O'Hare Intl Zurich

1:05 pm - 6:19 pmSOF Sofia-DFW Dallas/Fort Worth

37h 14m2 stops Zurich Chicago O'Hare Intl

$702SWISS

Sat, Sep 19 - Tue, Oct 6

4:00 pm - 11:00 pmDFW Dallas/Fort Worth-SOF Sofia

23h 00m1 stop Frankfurt am Main

6:10 am - 4:57 pmSOF Sofia-DFW Dallas/Fort Worth

18h 47m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$702Lufthansa

Sun, Sep 20 - Wed, Oct 7

4:00 pm - 11:00 pmDFW Dallas/Fort Worth-SOF Sofia

23h 00m1 stop Frankfurt am Main

6:10 am - 1:35 pmSOF Sofia-DFW Dallas/Fort Worth

15h 25m1 stop Frankfurt am Main

$705Lufthansa

Sun, Sep 20 - Tue, Oct 6

5:20 pm - 11:40 amDFW Dallas/Fort Worth-SOF Sofia

34h 20m2 stops Washington, D.C. Dulles Intl Vienna Intl

6:10 am - 10:28 pmSOF Sofia-DFW Dallas/Fort Worth

24h 18m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$705United Airlines

Sat, Sep 19 - Wed, Oct 7

5:20 pm - 11:40 amDFW Dallas/Fort Worth-SOF Sofia

34h 20m2 stops Washington, D.C. Dulles Intl Vienna Intl

6:10 am - 1:35 pmSOF Sofia-DFW Dallas/Fort Worth

15h 25m1 stop Frankfurt am Main

$709United Airlines

Sat, Sep 19 - Tue, Oct 6

12:25 pm - 12:15 pmDFW Dallas/Fort Worth-SOF Sofia

39h 50m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

6:20 am - 9:34 pmSOF Sofia-DFW Dallas/Fort Worth

23h 14m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$729Multiple Airlines

Sun, Sep 20 - Wed, Oct 7

9:40 pm - 3:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

34h 20m1 stop Istanbul

9:35 am - 11:30 amSOF Sofia-IAD Washington, D.C. Dulles Intl

32h 55m1 stop Istanbul

$787Turkish Airlines

Tue, Sep 22 - Fri, Oct 9

9:30 pm - 8:45 amDFW Dallas/Fort Worth-SOF Sofia

27h 15m1 stop Istanbul

9:10 pm - 7:35 pmSOF Sofia-DFW Dallas/Fort Worth

30h 25m1 stop Istanbul

$795Turkish Airlines

Sun, Sep 20 - Wed, Oct 7

8:30 pm - 10:20 amJFK New York John F Kennedy Intl-SOF Sofia

30h 50m1 stop Zurich

3:00 pm - 5:40 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 40m1 stop Zurich

$828SWISS

Tue, Sep 22 - Mon, Oct 26

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LOT flights from United States to Sofia

Our best LOT deals on United States to Sofia flight tickets

LOT

Oct 15

EWR10:50 pmNewark

12h 10m

1 stop

SOF6:00 pmSofia

Nov 11

SOF2:35 pmSofia

13h 25m

1 stop

EWR9:00 pmNewark

$639

LOT

Nov 10

EWR10:35 pmNewark

12h 20m

1 stop

SOF5:55 pmSofia

Nov 24

SOF2:35 pmSofia

12h 50m

1 stop

EWR8:25 pmNewark

$643

LOT

Feb 16

EWR10:35 pmNewark

32h 15m

1 stop

SOF1:50 pmSofia

Mar 2

SOF2:35 pmSofia

12h 50m

1 stop

EWR8:25 pmNewark

$654

Austrian Airlines flights from United States to Sofia

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

Austrian Airlines

Dec 1

IAD6:10 pmWashington, D.C. Dulles Intl

22h 45m

1 stop

SOF11:55 pmSofia

Dec 8

SOF7:55 amSofia

13h 15m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

$606

Austrian Airlines

Dec 1

IAD6:10 pmWashington, D.C. Dulles Intl

22h 45m

1 stop

SOF11:55 pmSofia

Dec 8

SOF7:55 amSofia

13h 15m

1 stop

IAD2:10 pmWashington, D.C. Dulles Intl

$607

Austrian Airlines

Mar 16

IAD7:10 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

SOF11:50 amSofia

Mar 30

SOF8:00 amSofia

13h 00m

1 stop

IAD2:00 pmWashington, D.C. Dulles Intl

$611

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSofia

LAX Los Angeles Los Angeles - SOF Sofia

LAXSOF

Los Angeles Los Angeles

Mon 11/30

8:50 pm-8:10 pm

1 stop37h 20m

Sofia

Mon 12/7

5:15 pm-1:25 pm

1 stop30h 10m

$589

Los AngelesSofia

LAX Los Angeles Los Angeles - SOF Sofia

LAXSOF

Los Angeles Los Angeles

Sun 10/18

3:45 pm-7:20 pm

1 stop17h 35m

Sofia

Mon 11/2

5:15 pm-3:50 pm

1 stop32h 35m

$589

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Mon 10/5

4:00 pm-1:05 am

2 stops26h 05m

Sofia

Mon 10/19

5:25 pm-7:25 pm

2 stops33h 00m

$596

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 11/4

8:35 pm-7:20 pm

1 stop36h 45m

Sofia

Wed 11/18

9:05 pm-2:55 pm

1 stop27h 50m

$605

Quickest round-trip

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 11/10

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Tue 11/24

7:55 am-2:10 pm

1 stop13h 15m

$606

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 12/1

6:10 pm-11:55 pm

1 stop22h 45m

Sofia

Tue 12/8

7:55 am-2:10 pm

1 stop13h 15m

$606

Los AngelesSofia

LAX Los Angeles Los Angeles - SOF Sofia

LAXSOF

Los Angeles Los Angeles

Tue 11/3

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Tue 11/10

6:00 am-3:15 pm

1 stop19h 15m

$608

Los AngelesSofia

LAX Los Angeles Los Angeles - SOF Sofia

LAXSOF

Los Angeles Los Angeles

Tue 11/3

5:30 pm-6:20 pm

1 stop14h 50m

Sofia

Thu 12/10

6:00 am-3:15 pm

1 stop19h 15m

$608

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 11/3

1:15 pm-1:15 pm

2 stops17h 00m

Sofia

Tue 11/17

7:55 am-2:10 pm

1 stop13h 15m

$622

Los AngelesSofia

LAX Los Angeles Los Angeles - SOF Sofia

LAXSOF

Los Angeles Los Angeles

Mon 11/2

4:17 pm-10:55 pm

2 stops20h 38m

Sofia

Tue 12/8

6:00 am-3:15 pm

1 stop19h 15m

$624

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 February. Flight prices, which tend to average around $598, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from United States during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $618.

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 $719 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 $601 on momondo.

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

You could potentially save up to 41% 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

Best Price Found	$212
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to Sofia from United States in the past 72 hours is $212. The best round-trip flight deal from United States to Sofia found on momondo in the last 72 hours is $589.

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 September 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 7.6 962 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $392	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights
Air France	PriceFrom $394	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
KLM	PriceFrom $403	Free Cancellation	Rating 7.8 1,578 reviews	Search KLM flights
SWISS	PriceFrom $410	Free Cancellation	Rating 7.5 2,074 reviews	Search SWISS flights
LOT	PriceFrom $413	Free Cancellation	Rating 7.6 1,199 reviews	Search LOT flights
Lufthansa	PriceFrom $415	Free Cancellation	Rating 6.8 8,231 reviews	Search Lufthansa flights
British Airways	PriceFrom $421	Free Cancellation	Rating 6.7 8,229 reviews	Search British Airways flights
JetBlue	PriceFrom $478	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
Turkish Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines 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.