Which airlines fly to Sofia?

Lufthansa, Turkish Airlines, United Airlines and LOT are the most popular airlines that fly from United States to Sofia on a routine basis, according to our data. You should be able to find flights to Sofia with these airlines and other airlines flying from United States.

7 KLM flights head to Sofia on average each week. Most will be flying from Amsterdam Schiphol to Sofia, the most popular route that KLM operates to Sofia. Prices vary based on when and where you fly from - the cheapest KLM flight to Sofia found in the past 3 days on momondo was $407, departing from Atlanta Hartsfield-Jackson. KLM is the most popular choice on momondo for this route and has been scored 7.7/10 by 1,410 of our users.

Austrian Airlines Flights to Sofia

Austrian Airlines (7.6/10, 868 reviews) is also a popular choice for flights to Sofia, with deals from as low as $398 from Boston Logan Intl, round-trip. With 16 Austrian Airlines flights to Sofia on average each week, prices can vary significantly by origin and availability.

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 Los Angeles to Sofia takes 14h 50m on average. On the other hand, flying from Miami to Sofia takes 15h 20m 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.

$193 Cheap Flights to Sofia in 2025/26

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Find the cheapest flights from the United States to Sofia

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 11:50 amBOS-SOF

15h 20m2 stops

7:55 am - 2:05 pmSOF-BOS

13h 10m1 stop

$342Austrian Airlines

Find Deal

mar., feb. 10 - mar., 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

mar., feb. 10 - mar., feb. 24

4:50 pm - 10:45 pmJFK-SOF

22h 55m2 stops

1:45 pm - 3:40 pmSOF-JFK

32h 55m1 stop

$411United Airlines

Find Deal

lun., feb. 9 - lun., feb. 23

10:35 pm - 1:50 pmJFK-SOF

32h 15m1 stop

6:35 pm - 8:35 pmSOF-JFK

33h 00m1 stop

$412LOT

Find Deal

dom., ene. 11 - mar., feb. 10

5:30 pm - 1:15 pmJFK-SOF

12h 45m1 stop

7:05 pm - 1:50 pmSOF-JFK

25h 45m2 stops

$413Lufthansa

Find Deal

lun., nov. 24 - lun., dic. 8

5:30 pm - 1:15 pmJFK-SOF

12h 45m1 stop

6:05 am - 1:50 pmSOF-JFK

14h 45m2 stops

$414Lufthansa

Find Deal

mié., nov. 26 - vie., dic. 12

10:05 am - 1:25 pmJFK-SOF

20h 20m2 stops

7:55 am - 2:15 pmSOF-JFK

13h 20m1 stop

$415United Airlines

Find Deal

lun., ene. 12 - jue., feb. 12

1:30 pm - 3:10 pmIAD-SOF

18h 40m1 stop

9:35 am - 7:20 pmSOF-IAD

16h 45m1 stop

$502Turkish Airlines

Find Deal

mar., dic. 2 - mar., dic. 16

1:30 pm - 8:50 pmIAD-SOF

24h 20m1 stop

9:40 pm - 11:45 amSOF-IAD

21h 05m1 stop

$503Turkish Airlines

Find Deal

lun., dic. 1 - mié., dic. 10

9:55 pm - 5:50 pmORD-SOF

11h 55m1 stop

2:40 pm - 7:40 pmSOF-ORD

13h 00m1 stop

$569LOT

Find Deal

sáb., mar. 7 - sáb., abr. 11

Fly from

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mar. 2/10

1:30 pm-11:50 am

2 stops15h 20m

Sofia

mar. 2/24

7:55 am-2:05 pm

1 stop13h 10m

$342

NewarkSofia

EWR - SOF

EWRSOF

Newark

mar. 2/10

5:55 pm-11:50 am

1 stop10h 55m

Sofia

mar. 2/24

7:55 am-1:55 pm

1 stop13h 00m

$354

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

lun. 2/9

4:50 pm-10:45 pm

2 stops22h 55m

Sofia

lun. 2/23

1:45 pm-3:40 pm

1 stop32h 55m

$411

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

dom. 1/11

10:35 pm-1:50 pm

1 stop32h 15m

Sofia

mar. 2/10

6:35 pm-8:35 pm

1 stop33h 00m

$412

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

lun. 11/24

5:30 pm-1:15 pm

1 stop12h 45m

Sofia

lun. 12/8

7:05 pm-1:50 pm

2 stops25h 45m

$413

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

mié. 11/26

5:30 pm-1:15 pm

1 stop12h 45m

Sofia

vie. 12/12

6:05 am-1:50 pm

2 stops14h 45m

$414

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

lun. 1/12

10:05 am-1:25 pm

2 stops20h 20m

Sofia

jue. 2/12

7:55 am-2:15 pm

1 stop13h 20m

$415

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

mar. 12/2

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

mar. 12/16

9:35 am-7:20 pm

1 stop16h 45m

$502

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

lun. 12/1

1:30 pm-8:50 pm

1 stop24h 20m

Sofia

mié. 12/10

9:40 pm-11:45 am

1 stop21h 05m

$503

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

sáb. 3/7

9:55 pm-5:50 pm

1 stop11h 55m

Sofia

sáb. 4/11

2:40 pm-7:40 pm

1 stop13h 00m

$569

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Sofia flights insights and trends

Explore insights for your Sofia flight to craft the best travel plan

Prices

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.

Cheapest flights to Sofia

Find the cheapest flights to Sofia from your nearest city or airport

Find flights from Los Angeles to Sofia

CHEAPEST MONTH TO FLY TO SOFIA FROM LOS ANGELES	February	20% cheaper	Flying from Los Angeles to Sofia costs on average just $636 in February
MOST EXPENSIVE MONTH TO FLY TO SOFIA FROM LOS ANGELES	June	64% more expensive	It costs about $1,301 for flights to Sofia from Los Angeles in June
MOST POPULAR MONTH TO FLY TO SOFIA FROM LOS ANGELES	June	496% more users visited	More momondo users searched in flights to Sofia from Los Angeles in June than any other month

Cheap Sofia flight deals and tips

Summary info about Sofia flight prices, duration and airlines

Best One-Way Price	$193
Best Round-Trip Price	$342
Fastest flight time	13h 00m
Popular in	December

The best one-way flight price to Sofia from United States in the last 72 hours is $193 (New York John F Kennedy Intl to Sofia).

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The best round-trip flight price to Sofia from United States in the last 72 hours is $342 (Boston Logan Intl to Sofia).

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The fastest flight to Sofia from United States takes 13h 00m (Newark to Sofia).

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December has the highest demand for flights to Sofia, with a 4% price increase on average.

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Frequently asked questions about flying to Sofia

How far in advance should I book a flight to Sofia?

The best time to book a flight to Sofia from United States is 9 days out, which is when prices tend to be around $705. In the past 72 hours, momondo users found flights from United States to Sofia for as low as $511.

Is there an alternative airport near Sofia?

Plovdiv Airport can be an alternative airport used for travel to Sofia.

Is there a cheaper alternative to flying into Sofia?

With an average price of $103 per person, Plovdiv Airport is the cheapest airport to fly into when planning your trip to Sofia. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Sofia?

In the past two weeks, users have booked deals to Sofia for $23/person, which is 78% cheaper than the average flight to Sofia. To find the cheapest price to Sofia from your area, use momondo’s Airport-to-Airport Pricing Tool.

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

Prices for flights to Sofia Airport refresh daily.

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

The number of operators available for flights to Sofia Airport is 34 as of November 2025.

How old do you have to be to fly to Sofia Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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.

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

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

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

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

Flights to Sofia 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 to Sofia?

Once you have performed a search for flights to Sofia, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia and alert you when they change.