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Flights to Bulgaria

$326 Cheap flights to Bulgaria

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Bulgaria departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent flights found to popular cities in Bulgaria

Find flights to these popular cities in Bulgaria from your nearest airport.

Flights to Sofia

Search all flight deals to Sofia
Austrian Airlines
Feb 9
BOS
20h 40m
2 stops
SOF
Feb 23
SOF
32h 30m
1 stop
BOS
$326
Find similar
Austrian Airlines
Feb 9
BOS
20h 40m
2 stops
SOF
Feb 23
SOF
32h 30m
1 stop
BOS
$327
Find similar
Austrian Airlines
Feb 9
BOS
20h 40m
2 stops
SOF
Feb 23
SOF
26h 20m
1 stop
BOS
$333
Find similar
Austrian Airlines
Feb 9
BOS
20h 40m
2 stops
SOF
Feb 23
SOF
32h 30m
1 stop
BOS
$337
Find similar
Austrian Airlines
Feb 10
BOS
15h 19m
2 stops
SOF
Feb 24
SOF
13h 10m
1 stop
BOS
$340
Find similar
Austrian Airlines
Feb 10
BOS
15h 19m
2 stops
SOF
Feb 24
SOF
13h 10m
1 stop
BOS
$341
Find similar
Austrian Airlines
Feb 10
BOS
15h 19m
2 stops
SOF
Feb 24
SOF
13h 10m
1 stop
BOS
$342
Find similar
Austrian Airlines
Feb 10
BOS
15h 19m
2 stops
SOF
Feb 24
SOF
13h 10m
1 stop
BOS
$343
Find similar
Austrian Airlines
Feb 10
BOS
15h 19m
2 stops
SOF
Feb 24
SOF
13h 10m
1 stop
BOS
$346
Find similar
Austrian Airlines
Feb 10
BOS
15h 19m
2 stops
SOF
Feb 24
SOF
13h 10m
1 stop
BOS
$350
Find similar
Multiple Airlines
Mar 25
BOS
10h 25m
1 stop
SOF
Apr 8
SOF
12h 50m
1 stop
BOS
$351
Find similar
Austrian Airlines
Feb 9
BOS
21h 30m
2 stops
SOF
Feb 23
SOF
26h 20m
1 stop
BOS
$352
Find similar

Flights to Varna

Search all flight deals to Varna
Austrian Airlines
Jan 18
EWR
14h 20m
1 stop
VAR
Feb 2
VAR
28h 55m
1 stop
EWR
$356
Find similar
Austrian Airlines
Jan 21
EWR
14h 10m
2 stops
VAR
Jan 26
VAR
28h 55m
1 stop
EWR
$359
Find similar
Austrian Airlines
Jan 18
EWR
23h 50m
2 stops
VAR
Feb 2
VAR
28h 55m
1 stop
EWR
$360
Find similar
Austrian Airlines
Jan 23
EWR
14h 20m
1 stop
VAR
Jan 28
VAR
28h 55m
1 stop
EWR
$384
Find similar
Multiple Airlines
Jan 21
EWR
21h 10m
2 stops
VAR
Jan 26
VAR
48h 42m
2 stops
EWR
$386
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Multiple Airlines
Jan 21
JFK
22h 30m
2 stops
VAR
Jan 26
VAR
29h 15m
1 stop
JFK
$387
Find similar
Multiple Airlines
Jan 21
JFK
22h 30m
2 stops
VAR
Jan 26
VAR
37h 39m
2 stops
JFK
$392
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Austrian Airlines
Jan 22
EWR
14h 20m
1 stop
VAR
Jan 28
VAR
28h 55m
1 stop
EWR
$406
Find similar
Austrian Airlines
Jan 22
EWR
37h 35m
2 stops
VAR
Jan 28
VAR
28h 55m
1 stop
EWR
$411
Find similar
Multiple Airlines
Jan 21
JFK
18h 20m
1 stop
VAR
Jan 26
VAR
29h 15m
1 stop
JFK
$411
Find similar
Multiple Airlines
Jan 18
JFK
14h 45m
2 stops
VAR
Feb 2
VAR
29h 15m
1 stop
JFK
$412
Find similar
Multiple Airlines
Jan 18
EWR
23h 50m
2 stops
VAR
Feb 2
VAR
33h 03m
2 stops
EWR
$413
Find similar

Find the cheapest flights from the United States to Bulgaria

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

Enter your travel dates to find the best prices.
Austrian Airlines Logo
2:20 pm - 6:00 pmBOS-SOF
20h 40m2 stops
Austrian Airlines Logo
12:35 pm - 2:05 pmSOF-BOS
32h 30m1 stop
$326Austrian Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 23
Austrian Airlines Logo
2:20 pm - 6:00 pmBOS-SOF
20h 40m2 stops
Austrian Airlines Logo
12:35 pm - 2:05 pmSOF-BOS
32h 30m1 stop
$327Austrian Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 23
Austrian Airlines Logo
2:20 pm - 6:00 pmBOS-SOF
20h 40m2 stops
Austrian Airlines Logo
6:45 pm - 2:05 pmSOF-BOS
26h 20m1 stop
$333Austrian Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 23
Lufthansa Logo
8:45 pm - 6:20 pmEWR-SOF
14h 35m2 stops
Lufthansa Logo
6:05 am - 12:40 pmSOF-EWR
13h 35m1 stop
$356Lufthansa
Find Deal
Wed, Jan 14 - Wed, Jan 28
LOT Logo
10:50 pm - 2:00 amEWR-SOF
20h 10m1 stop
LOT Logo
2:40 pm - 8:50 pmSOF-EWR
13h 10m1 stop
$375LOT
Find Deal
Tue, Apr 28 - Tue, May 12
United Airlines Logo
6:10 pm - 11:50 amJFK-SOF
10h 40m1 stop
United Airlines Logo
6:10 am - 8:58 pmSOF-JFK
21h 48m2 stops
$431United Airlines
Find Deal
Wed, Dec 24 - Wed, Jan 7
United Airlines Logo
4:25 pm - 1:15 pmJFK-SOF
13h 50m2 stops
United Airlines Logo
1:45 pm - 1:05 pmSOF-JFK
30h 20m2 stops
$433United Airlines
Find Deal
Mon, Jan 19 - Mon, Feb 2
Lufthansa Logo
5:35 pm - 6:20 pmLGA-SOF
17h 45m2 stops
Lufthansa Logo
7:05 pm - 9:33 pmSOF-LGA
33h 28m2 stops
$436Lufthansa
Find Deal
Sun, Jan 25 - Sun, Feb 8
Turkish Airlines Logo
1:30 pm - 3:10 pmIAD-SOF
18h 40m1 stop
Turkish Airlines Logo
4:00 pm - 11:45 amSOF-IAD
26h 45m1 stop
$528Turkish Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 27
Turkish Airlines Logo
9:15 pm - 8:50 pmIAD-SOF
16h 35m1 stop
Turkish Airlines Logo
9:35 am - 7:20 pmSOF-IAD
16h 45m1 stop
$529Turkish Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21

momondo Fare Finder

 
Locate flights to Bulgaria that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on November 26, 2025.
Use the filters below to find and compare flights to Bulgaria that are best for you.

Fly from

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/9

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 2/23

12:35 pm-2:05 pm

1 stop32h 30m

$326

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/9

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 2/23

12:35 pm-2:05 pm

1 stop32h 30m

$327

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Mon 2/9

2:20 pm-6:00 pm

2 stops20h 40m

Sofia

Mon 2/23

6:45 pm-2:05 pm

1 stop26h 20m

$333

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 1/14

8:45 pm-6:20 pm

2 stops14h 35m

Sofia

Wed 1/28

6:05 am-12:40 pm

1 stop13h 35m

$356

NewarkSofia

EWR - SOF

EWRSOF

Newark

Tue 4/28

10:50 pm-2:00 am

1 stop20h 10m

Sofia

Tue 5/12

2:40 pm-8:50 pm

1 stop13h 10m

$375

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Wed 12/24

6:10 pm-11:50 am

1 stop10h 40m

Sofia

Wed 1/7

6:10 am-8:58 pm

2 stops21h 48m

$431

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Mon 1/19

4:25 pm-1:15 pm

2 stops13h 50m

Sofia

Mon 2/2

1:45 pm-1:05 pm

2 stops30h 20m

$433

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Sun 1/25

5:35 pm-6:20 pm

2 stops17h 45m

Sofia

Sun 2/8

7:05 pm-9:33 pm

2 stops33h 28m

$436

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 1/12

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Tue 1/27

4:00 pm-11:45 am

1 stop26h 45m

$528

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 1/14

9:15 pm-8:50 pm

1 stop16h 35m

Sofia

Wed 1/21

9:35 am-7:20 pm

1 stop16h 45m

$529

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Bulgaria from

Bulgaria flights insights and trends

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

What airlines fly to Bulgaria?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Bulgaria 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 Bulgaria. Keep in mind that there are 15 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

Cheapest flights to cities in Bulgaria

Click on the cities below to find out when it's cheapest to fly to Bulgaria from United States
Sofia
Sofia
Find flights to Sofia

Cheap Bulgaria flight deals and tips

Summary info about Bulgaria flight prices, duration and airlines

Best One-Way Price

$227

Best Round-Trip Price

$326

Fastest flight time

20h 45m

Popular in

December
The best one-way flight price to Bulgaria from United States in the last 72 hours is $227 (Chicago O'Hare Intl to Sofia).
Search Deals
The best round-trip flight price to Bulgaria from United States in the last 72 hours is $326 (Boston Logan Intl to Sofia).
Search Deals
The fastest flight to Bulgaria from United States takes 20h 45m (Washington, D.C. Dulles Intl to Sofia).
Search Deals
December has the highest demand for flights to Bulgaria, with a 7% price increase on average.
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Frequently asked questions about flying to Bulgaria

What popular landmarks are in Bulgaria?

Bansko Ski Resort is the most popular place of interest in Bulgaria. Many travelers make it a point to stop there while traveling to Bulgaria. Other popular landmarks and places of interest in Bulgaria would be Borovets Ski Resort, Golden Sands Beach, or Thracian Tomb of Sveshtari.

What airlines fly to Bulgaria?

Of the 15 airlines that fly to Bulgaria, Lufthansa, Turkish Airlines and United Airlines happen to be the most favored based on our user data. Lufthansa is the most popular among the three airlines, with 41% of users choosing them for their travels to Bulgaria.

What is the most popular airport in Bulgaria to fly to?

The most popular airport in Bulgaria to fly to is Sofia, based on our data. In the past 12 months, 77% of all momondo users who traveled to Bulgaria chose to fly into Sofia airport, which is located in the city of Sofia.

What is the best day of the week to fly to Bulgaria?

Monday is the best day of the week to fly to Bulgaria based on flight prices. Tuesday is another affordable option. If you are looking to save money on flights to Bulgaria, then try to avoid flying out on a Saturday since this is when prices are at their highest.

When did momondo last update prices for flights to Bulgaria?

Prices for flights to Bulgaria were last updated today.

How many operators does momondo search for flights to Bulgaria?

As of November 2025, there are 40 operators available to choose from for flights to Bulgaria.

How old do you have to be to fly to Bulgaria?

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 to Bulgaria.

What documentation or ID do you need to fly to Bulgaria?

The travel and health documents you'll need for your trip to Bulgaria may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Bulgaria. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for flights to Bulgaria to just show those with flexible booking policies.

How can momondo help me find flights to Bulgaria?

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

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

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

An easier way to manage your Bulgaria trip

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