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Cheap flights from the United States to Bulgaria from $204

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Bulgaria departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
6:25 pm - 11:50 am
BOS
-
SOF
10h 25m
1 stop
Austrian Airlines Logo
8:00 am - 1:50 pm
SOF
-
BOS
12h 50m
1 stop
$356Austrian Airlines
Sun, Mar 1 - Wed, Apr 1
Austrian Airlines Logo
5:55 pm - 6:00 pm
EWR
-
SOF
17h 05m
1 stop
Austrian Airlines Logo
6:45 pm - 2:15 pm
SOF
-
EWR
26h 30m
1 stop
$356Austrian Airlines
Mon, Feb 9 - Mon, Feb 16
Austrian Airlines Logo
5:55 pm - 11:50 am
EWR
-
SOF
10h 55m
1 stop
Austrian Airlines Logo
6:45 pm - 2:15 pm
SOF
-
EWR
26h 30m
1 stop
$358Austrian Airlines
Sun, Feb 8 - Mon, Feb 16
Lufthansa Logo
9:50 pm - 6:20 pm
EWR
-
SOF
14h 30m
1 stop
Lufthansa Logo
2:00 pm - 8:05 pm
SOF
-
EWR
12h 05m
1 stop
$359Lufthansa
Wed, Mar 11 - Wed, Mar 25
Lufthansa Logo
8:40 pm - 6:00 pm
BOS
-
SOF
14h 20m
2 stops
Lufthansa Logo
12:55 pm - 5:40 pm
SOF
-
BOS
11h 45m
1 stop
$373Lufthansa
Sun, Mar 1 - Wed, Apr 1
LOT Logo
11:10 pm - 5:50 pm
EWR
-
SOF
11h 40m
1 stop
LOT Logo
2:35 pm - 9:00 pm
SOF
-
EWR
13h 25m
1 stop
$385LOT
Wed, Feb 11 - Wed, Feb 18
LOT Logo
11:10 pm - 5:50 pm
EWR
-
SOF
11h 40m
1 stop
LOT Logo
6:35 pm - 9:00 pm
SOF
-
EWR
33h 25m
1 stop
$387LOT
Wed, Feb 11 - Tue, Feb 17
United Airlines Logo
5:30 pm - 1:00 pm
JFK
-
SOF
12h 30m
1 stop
United Airlines Logo
6:05 am - 5:40 pm
SOF
-
JFK
17h 35m
2 stops
$466United Airlines
Sun, Feb 22 - Mon, Mar 9
United Airlines Logo
6:10 pm - 11:50 am
JFK
-
SOF
10h 40m
1 stop
United Airlines Logo
1:45 pm - 10:39 pm
SOF
-
JFK
39h 54m
2 stops
$468United Airlines
Thu, Feb 5 - Mon, Feb 9
Turkish Airlines Logo
11:50 am - 3:10 pm
ORD
-
SOF
19h 20m
1 stop
Turkish Airlines Logo
4:00 pm - 11:05 am
SOF
-
ORD
26h 05m
1 stop
$523Turkish Airlines
Sun, Feb 1 - Sun, Mar 22

LOT flights from United States to Bulgaria

Our best LOT deals on United States to Bulgaria flight tickets
LOT
Feb 11
EWR11:10 pmNewark
11h 40m
1 stop
SOF5:50 pmSofia
Feb 18
SOF2:35 pmSofia
13h 25m
1 stop
EWR9:00 pmNewark
$385
LOT
Feb 11
EWR11:10 pmNewark
11h 40m
1 stop
SOF5:50 pmSofia
Feb 17
SOF6:35 pmSofia
33h 25m
1 stop
EWR9:00 pmNewark
$387
LOT
Apr 5
EWR8:20 pmNewark
34h 35m
2 stops
SOF1:55 pmSofia
Apr 16
SOF2:40 pmSofia
34h 40m
1 stop
EWR6:20 pmNewark
$448

Air Canada flights from United States to Bulgaria

Our best Air Canada deals on United States to Bulgaria flight tickets
Air Canada
Mar 4
BOS3:35 pmBoston Logan Intl
19h 45m
2 stops
SOF6:20 pmSofia
May 5
SOF12:55 pmSofia
27h 50m
2 stops
BOS9:45 amBoston Logan Intl
$403
Air Canada
Mar 31
EWR2:28 pmNewark
21h 12m
2 stops
SOF6:40 pmSofia
Apr 14
SOF6:10 amSofia
15h 42m
2 stops
EWR2:52 pmNewark
$411
Air Canada
Apr 19
BOS6:15 amBoston Logan Intl
22h 55m
2 stops
SOF12:10 pmSofia
Apr 29
SOF6:20 amSofia
42h 25m
2 stops
BOS5:45 pmBoston Logan Intl
$413

momondo Fare Finder

 
Customize your flight search to find flights from United States to Bulgaria that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 22, 2026.
Use the filters below to find and compare flights from the United States to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

6:25 pm-11:50 am

1 stop10h 25m

Sofia

Wed 4/1

8:00 am-1:50 pm

1 stop12h 50m

$356

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 2/9

5:55 pm-6:00 pm

1 stop17h 05m

Sofia

Mon 2/16

6:45 pm-2:15 pm

1 stop26h 30m

$356

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sun 2/8

5:55 pm-11:50 am

1 stop10h 55m

Sofia

Mon 2/16

6:45 pm-2:15 pm

1 stop26h 30m

$358

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 3/11

9:50 pm-6:20 pm

1 stop14h 30m

Sofia

Wed 3/25

2:00 pm-8:05 pm

1 stop12h 05m

$359

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 3/1

8:40 pm-6:00 pm

2 stops14h 20m

Sofia

Wed 4/1

12:55 pm-5:40 pm

1 stop11h 45m

$373

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 2/11

11:10 pm-5:50 pm

1 stop11h 40m

Sofia

Wed 2/18

2:35 pm-9:00 pm

1 stop13h 25m

$385

NewarkSofia

EWR - SOF

EWRSOF

Newark

Wed 2/11

11:10 pm-5:50 pm

1 stop11h 40m

Sofia

Tue 2/17

6:35 pm-9:00 pm

1 stop33h 25m

$387

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sun 2/22

5:30 pm-1:00 pm

1 stop12h 30m

Sofia

Mon 3/9

6:05 am-5:40 pm

2 stops17h 35m

$466

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Thu 2/5

6:10 pm-11:50 am

1 stop10h 40m

Sofia

Mon 2/9

1:45 pm-10:39 pm

2 stops39h 54m

$468

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Sun 2/1

11:50 am-3:10 pm

1 stop19h 20m

Sofia

Sun 3/22

4:00 pm-11:05 am

1 stop26h 05m

$523

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from United States to Bulgaria

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

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $585.

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

You are more likely to see cheaper flights to Bulgaria from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $707 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from United States for as low as $652 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a United States to Bulgaria flight.

Cheap United States to Bulgaria flight deals and tips

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

Fastest flight time

10h 25m

Direct flights

None
The fastest flight from United States to Bulgaria takes 10h 25m
There are no direct flights from United States to Bulgaria. There are no popular flight routes from United States to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from United States to Bulgaria?

    Prices for flights from United States to Bulgaria refresh daily.

  • How many operators does momondo search for flights from United States to Bulgaria?

  • How old do you have to be to fly from United States 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 from United States to Bulgaria.

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

    The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from United States to Bulgaria

Compare and see reviews for airlines that fly from United States to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $353Free CancellationRating
7.5
1,856 reviews
Search SWISS flights
British AirwaysPriceFrom $356Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $356Free CancellationRating
7.6
894 reviews
Search Austrian Airlines flights
KLMPriceFrom $380Free CancellationRating
7.7
1,442 reviews
Search KLM flights
Air FrancePriceFrom $397Free CancellationRating
7.4
1,523 reviews
Search Air France flights
LufthansaPriceFrom $417Free CancellationRating
6.8
7,744 reviews
Search Lufthansa flights
United AirlinesPriceFrom $422Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
LOTPriceFrom $437Free CancellationRating
7.5
1,175 reviews
Search LOT flights
JetBluePriceFrom $478Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
ITA AirwaysPriceFrom $505Free CancellationRating
6.7
1,130 reviews
Search ITA Airways flights

Why use momondo?

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

Finding the right flight to Bulgaria from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

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

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

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

momondo helps you find the best flight between United States and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Bulgaria 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.

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