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.

SWISS Flights to Sofia

7 SWISS flights head to Sofia on average each week. Most will be flying from Munich Franz Josef Strauss to Sofia, the most popular route that SWISS operates to Sofia. Prices vary based on when and where you fly from - the cheapest SWISS flight to Sofia found in the past 3 days on momondo was $410, departing from Boston Logan Intl. SWISS is the most popular choice on momondo for this route and has been scored 7.5/10 by 2,116 of our users.

Air France Flights to Sofia

Air France (7.5/10, 1,647 reviews) is also a popular choice for flights to Sofia, with deals from as low as $396 from Atlanta Hartsfield-Jackson, round-trip. With 11 Air France 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 16h 25m on average. On the other hand, flying from Miami to Sofia takes 12h 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.

$279 Cheap Flights to Sofia in 2026/27

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Find the cheapest flights from the United States to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 1:10 amBOS Boston Logan Intl-SOF Sofia

24h 10m2 stops Lisbon Humberto Delgado Madrid Barajas

10:00 pm - 3:05 pmSOF Sofia-BOS Boston Logan Intl

24h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

$604Multiple Airlines

Sun, Feb 7 - Sun, Feb 21

12:10 am - 2:20 pmEWR Newark-SOF Sofia

31h 10m2 stops Lisbon Humberto Delgado Rome Fiumicino

7:00 pm - 3:20 pmSOF Sofia-EWR Newark

27h 20m2 stops Berlin Brandenburg Lisbon Humberto Delgado

$621Multiple Airlines

Sun, Nov 29 - Mon, Dec 14

4:35 pm - 2:00 amLAX Los Angeles-SOF Sofia

23h 25m1 stop Warsaw Frederic Chopin

5:30 am - 2:35 pmSOF Sofia-LAX Los Angeles

19h 05m1 stop Warsaw Frederic Chopin

$691LOT

Mon, Apr 5 - Mon, Apr 19

10:05 pm - 2:00 amLAX Los Angeles-SOF Sofia

17h 55m1 stop Warsaw Frederic Chopin

2:35 pm - 8:05 pmSOF Sofia-LAX Los Angeles

15h 30m1 stop Warsaw Frederic Chopin

$691LOT

Thu, Apr 8 - Thu, Apr 22

8:05 pm - 8:45 amORD Chicago O'Hare Intl-SOF Sofia

28h 40m1 stop Istanbul

3:55 pm - 6:10 pmSOF Sofia-ORD Chicago O'Hare Intl

34h 15m1 stop Istanbul

$694Turkish Airlines

Mon, Apr 26 - Thu, Jun 10

3:35 pm - 6:45 pmORD Chicago O'Hare Intl-SOF Sofia

19h 10m1 stop Munich Franz Josef Strauss

6:20 am - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

21h 35m1 stop Frankfurt am Main

$695Lufthansa

Wed, Apr 14 - Wed, Apr 21

9:40 pm - 6:45 pmORD Chicago O'Hare Intl-SOF Sofia

13h 05m1 stop Munich Franz Josef Strauss

1:55 pm - 7:55 pmSOF Sofia-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

$695Lufthansa

Wed, Apr 7 - Wed, Apr 21

8:15 pm - 3:10 pmORD Chicago O'Hare Intl-SOF Sofia

34h 55m1 stop Istanbul

9:30 am - 6:20 pmSOF Sofia-ORD Chicago O'Hare Intl

16h 50m1 stop Istanbul

$699Turkish Airlines

Thu, Feb 25 - Thu, Mar 4

7:35 pm - 3:05 pmSFO San Francisco-SOF Sofia

33h 30m1 stop Zurich

11:05 am - 4:15 pmSOF Sofia-SFO San Francisco

15h 10m1 stop Zurich

$704SWISS

Wed, Apr 7 - Wed, Apr 21

5:05 pm - 12:40 pmBOS Boston Logan Intl-SOF Sofia

12h 35m1 stop Zurich

3:50 pm - 3:30 pmSOF Sofia-BOS Boston Logan Intl

30h 40m1 stop Zurich

$783SWISS

Mon, Apr 5 - Mon, Apr 19

Cheap last minute flights

Enter your travel dates to find the best prices.

5:40 pm - 11:35 pmEWR Newark-SOF Sofia

22h 55m2 stops Lisbon Humberto Delgado Barcelona-El Prat

6:30 am - 10:10 pmSOF Sofia-EWR Newark

22h 40m3 stops Bergamo Orio Al Serio Madrid Barajas Lisbon Humberto Delgado

$695Multiple Airlines

Thu, Nov 12 - Mon, Dec 14

1:30 pm - 8:40 amIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 10m1 stop Istanbul

4:00 pm - 11:45 amSOF Sofia-IAD Washington, D.C. Dulles Intl

26h 45m1 stop Istanbul

$699Turkish Airlines

Mon, Nov 16 - Tue, Nov 24

1:30 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

18h 40m1 stop Istanbul

9:30 am - 11:45 amSOF Sofia-IAD Washington, D.C. Dulles Intl

33h 15m1 stop Istanbul

$699Turkish Airlines

Mon, Nov 16 - Tue, Dec 1

5:40 pm - 11:35 pmEWR Newark-SOF Sofia

22h 55m2 stops Lisbon Humberto Delgado Barcelona-El Prat

10:40 am - 10:10 pmSOF Sofia-EWR Newark

18h 30m2 stops Madrid Barajas Lisbon Humberto Delgado

$705Multiple Airlines

Thu, Nov 12 - Mon, Dec 14

10:35 pm - 1:50 pmEWR Newark-SOF Sofia

32h 15m1 stop Warsaw Frederic Chopin

6:40 pm - 8:25 pmSOF Sofia-EWR Newark

32h 45m1 stop Warsaw Frederic Chopin

$762LOT

Thu, Nov 12 - Mon, Dec 14

10:35 pm - 1:50 pmJFK New York John F Kennedy Intl-SOF Sofia

32h 15m1 stop Warsaw Frederic Chopin

6:40 pm - 8:35 pmSOF Sofia-JFK New York John F Kennedy Intl

32h 55m1 stop Warsaw Frederic Chopin

$762LOT

Thu, Nov 12 - Mon, Dec 14

1:55 pm - 3:30 pmJFK New York John F Kennedy Intl-SOF Sofia

18h 35m1 stop Belgrade Nikola Tesla

4:00 pm - 11:45 amSOF Sofia-JFK New York John F Kennedy Intl

26h 45m1 stop Belgrade Nikola Tesla

$766Air Serbia

Thu, Nov 12 - Mon, Dec 14

5:55 pm - 11:50 amEWR Newark-SOF Sofia

10h 55m1 stop Vienna Intl

7:55 am - 2:15 pmSOF Sofia-EWR Newark

13h 20m1 stop Vienna Intl

$775Austrian Airlines

Sat, Nov 14 - Wed, Dec 16

5:55 pm - 11:50 amEWR Newark-SOF Sofia

10h 55m1 stop Vienna Intl

7:55 am - 2:15 pmSOF Sofia-EWR Newark

13h 20m1 stop Vienna Intl

$778Austrian Airlines

Wed, Nov 11 - Sat, Nov 21

7:40 pm - 3:30 pmJFK New York John F Kennedy Intl-SOF Sofia

12h 50m1 stop Belgrade Nikola Tesla

5:00 am - 11:45 amSOF Sofia-JFK New York John F Kennedy Intl

13h 45m1 stop Belgrade Nikola Tesla

$795Air Serbia

Sun, Nov 15 - Thu, Dec 3

Fly from

Route

Depart

Return

Price

Cheapest round-trip

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Sun 2/7

6:00 pm-1:10 am

2 stops24h 10m

Sofia

Sun 2/21

10:00 pm-3:05 pm

2 stops24h 05m

$604

NewarkSofia

EWR Newark - SOF Sofia

EWRSOF

Newark

Sun 11/29

12:10 am-2:20 pm

2 stops31h 10m

Sofia

Mon 12/14

7:00 pm-3:20 pm

2 stops27h 20m

$621

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Mon 4/5

4:35 pm-2:00 am

1 stop23h 25m

Sofia

Mon 4/19

5:30 am-2:35 pm

1 stop19h 05m

$691

Los AngelesSofia

LAX Los Angeles - SOF Sofia

LAXSOF

Los Angeles

Thu 4/8

10:05 pm-2:00 am

1 stop17h 55m

Sofia

Thu 4/22

2:35 pm-8:05 pm

1 stop15h 30m

$691

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Mon 4/26

8:05 pm-8:45 am

1 stop28h 40m

Sofia

Thu 6/10

3:55 pm-6:10 pm

1 stop34h 15m

$694

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 4/14

3:35 pm-6:45 pm

1 stop19h 10m

Sofia

Wed 4/21

6:20 am-7:55 pm

1 stop21h 35m

$695

Quickest round-trip

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Wed 4/7

9:40 pm-6:45 pm

1 stop13h 05m

Sofia

Wed 4/21

1:55 pm-7:55 pm

1 stop14h 00m

$695

ChicagoSofia

ORD Chicago O'Hare Intl - SOF Sofia

ORDSOF

Chicago O'Hare Intl

Thu 2/25

8:15 pm-3:10 pm

1 stop34h 55m

Sofia

Thu 3/4

9:30 am-6:20 pm

1 stop16h 50m

$699

San FranciscoSofia

SFO San Francisco - SOF Sofia

SFOSOF

San Francisco

Wed 4/7

7:35 pm-3:05 pm

1 stop33h 30m

Sofia

Wed 4/21

11:05 am-4:15 pm

1 stop15h 10m

$704

BostonSofia

BOS Boston Logan Intl - SOF Sofia

BOSSOF

Boston Logan Intl

Mon 4/5

5:05 pm-12:40 pm

1 stop12h 35m

Sofia

Mon 4/19

3:50 pm-3:30 pm

1 stop30h 40m

$783

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 February. Flight prices, which tend to average around $543, 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 March instead. Flights to Sofia in March, while not as cheap as those in February, still average around $572.

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 $774 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 $711 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	March	29% cheaper	Flying from Los Angeles to Sofia costs on average just $621 in March
MOST EXPENSIVE MONTH TO FLY TO SOFIA FROM LOS ANGELES	June	32% more expensive	It costs about $1,152 for flights to Sofia from Los Angeles in June
MOST POPULAR MONTH TO FLY TO SOFIA FROM LOS ANGELES	July	387% more users visited	More momondo users searched in flights to Sofia from Los Angeles in July than any other month

Cheap Sofia flight deals and tips

Summary info about Sofia flight prices, duration and airlines

Best One-Way Price	$279
Best Round-Trip Price	$604
Fastest flight time	20h 55m
Popular in	July

The best one-way flight price to Sofia from United States in the last 5 days is $279 (Newark to Sofia).

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The best round-trip flight price to Sofia from United States in the last 5 days is $604 (Boston Logan Intl to Sofia).

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The fastest flight to Sofia from United States takes 20h 55m (Las Vegas Harry Reid Intl to Sofia).

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July has the highest demand for flights to Sofia, with a 16% 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 19 days out, which is when prices tend to be around $760. In the past 72 hours, momondo users found flights from United States to Sofia for as low as $400.

Is there an alternative airport near Sofia?

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

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 25 as of November 2026.

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.