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Cheap flights from the United States to Bulgaria from $181

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 3/25. 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.
Multiple Airlines Logo
8:40 pm - 6:20 pm
BOS
-
SOF
14h 40m
1 stop
Multiple Airlines Logo
7:55 am - 2:05 pm
SOF
-
BOS
13h 10m
1 stop
$353Multiple Airlines
火, 2月 17 - 金, 3月 6
Multiple Airlines Logo
9:50 pm - 6:20 pm
EWR
-
SOF
14h 30m
1 stop
Multiple Airlines Logo
8:00 am - 1:55 pm
SOF
-
EWR
12h 55m
1 stop
$353Multiple Airlines
月, 3月 23 - 水, 4月 15
Austrian Airlines Logo
5:55 pm - 11:50 am
EWR
-
SOF
10h 55m
1 stop
Austrian Airlines Logo
7:55 am - 2:15 pm
SOF
-
EWR
13h 20m
1 stop
$355Austrian Airlines
水, 2月 18 - 水, 3月 4
Austrian Airlines Logo
5:55 pm - 11:50 am
EWR
-
SOF
10h 55m
1 stop
Austrian Airlines Logo
6:45 pm - 3:15 pm
SOF
-
EWR
26h 30m
1 stop
$356Austrian Airlines
日, 2月 22 - 月, 3月 9
Lufthansa Logo
8:40 pm - 6:20 pm
BOS
-
SOF
14h 40m
1 stop
Lufthansa Logo
2:00 pm - 6:35 pm
SOF
-
BOS
11h 35m
1 stop
$360Lufthansa
水, 2月 18 - 水, 3月 4
Lufthansa Logo
7:34 pm - 6:20 pm
BOS
-
SOF
16h 46m
2 stops
Lufthansa Logo
7:00 pm - 3:40 pm
SOF
-
BOS
27h 40m
1 stop
$369Lufthansa
月, 3月 23 - 月, 4月 6
United Airlines Logo
2:10 pm - 6:40 pm
LGA
-
SOF
21h 30m
2 stops
United Airlines Logo
6:10 am - 11:23 pm
SOF
-
LGA
24h 13m
2 stops
$462United Airlines
木, 4月 2 - 金, 4月 17
United Airlines Logo
6:00 am - 7:45 pm
LGA
-
SOF
30h 45m
2 stops
United Airlines Logo
7:55 am - 9:36 pm
SOF
-
LGA
20h 41m
2 stops
$464United Airlines
金, 2月 27 - 金, 3月 6
Turkish Airlines Logo
8:20 pm - 3:10 pm
ORD
-
SOF
34h 50m
1 stop
Turkish Airlines Logo
9:35 am - 10:05 am
SOF
-
ORD
32h 30m
1 stop
$515Turkish Airlines
金, 2月 27 - 日, 3月 8
Turkish Airlines Logo
8:20 pm - 3:10 pm
ORD
-
SOF
34h 50m
1 stop
Turkish Airlines Logo
4:00 pm - 10:05 am
SOF
-
ORD
26h 05m
1 stop
$516Turkish Airlines
土, 2月 14 - 日, 3月 1

Turkish Airlines flights from United States to Bulgaria

Our best Turkish Airlines deals on United States to Bulgaria flight tickets
Turkish Airlines
Jan 30
BOS8:00 pmBoston Logan Intl
17h 50m
1 stop
SOF8:50 pmSofia
Feb 15
SOF4:00 pmSofia
33h 05m
1 stop
BOS6:05 pmBoston Logan Intl
$514
Turkish Airlines
Feb 27
ORD8:20 pmChicago O'Hare Intl
34h 50m
1 stop
SOF3:10 pmSofia
Mar 8
SOF9:35 amSofia
32h 30m
1 stop
ORD10:05 amChicago O'Hare Intl
$515
Turkish Airlines
Feb 14
ORD8:20 pmChicago O'Hare Intl
34h 50m
1 stop
SOF3:10 pmSofia
Mar 1
SOF4:00 pmSofia
26h 05m
1 stop
ORD10:05 amChicago O'Hare Intl
$516

United Airlines flights from United States to Bulgaria

Our best United Airlines deals on United States to Bulgaria flight tickets
United Airlines
Feb 18
BOS8:40 pmBoston Logan Intl
14h 40m
1 stop
SOF6:20 pmSofia
Mar 3
SOF7:55 amSofia
13h 10m
1 stop
BOS2:05 pmBoston Logan Intl
$395
United Airlines
Apr 29
BOS8:05 pmBoston Logan Intl
20h 05m
1 stop
SOF11:10 pmSofia
May 13
SOF6:10 amSofia
18h 30m
1 stop
BOS5:40 pmBoston Logan Intl
$397
United Airlines
Feb 17
BOS8:40 pmBoston Logan Intl
14h 40m
1 stop
SOF6:20 pmSofia
Mar 5
SOF6:05 amSofia
19h 30m
1 stop
BOS6:35 pmBoston Logan Intl
$398

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 1月 29, 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

火 2/17

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

金 3/6

7:55 am-2:05 pm

1 stop13h 10m

$353

NewarkSofia

EWR - SOF

EWRSOF

Newark

月 3/23

9:50 pm-6:20 pm

1 stop14h 30m

Sofia

水 4/15

8:00 am-1:55 pm

1 stop12h 55m

$353

NewarkSofia

EWR - SOF

EWRSOF

Newark

水 2/18

5:55 pm-11:50 am

1 stop10h 55m

Sofia

水 3/4

7:55 am-2:15 pm

1 stop13h 20m

$355

NewarkSofia

EWR - SOF

EWRSOF

Newark

日 2/22

5:55 pm-11:50 am

1 stop10h 55m

Sofia

月 3/9

6:45 pm-3:15 pm

1 stop26h 30m

$356

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

水 2/18

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

水 3/4

2:00 pm-6:35 pm

1 stop11h 35m

$360

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

月 3/23

7:34 pm-6:20 pm

2 stops16h 46m

Sofia

月 4/6

7:00 pm-3:40 pm

1 stop27h 40m

$369

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

木 4/2

2:10 pm-6:40 pm

2 stops21h 30m

Sofia

金 4/17

6:10 am-11:23 pm

2 stops24h 13m

$462

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

金 2/27

6:00 am-7:45 pm

2 stops30h 45m

Sofia

金 3/6

7:55 am-9:36 pm

2 stops20h 41m

$464

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

金 2/27

8:20 pm-3:10 pm

1 stop34h 50m

Sofia

日 3/8

9:35 am-10:05 am

1 stop32h 30m

$515

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

土 2/14

8:20 pm-3:10 pm

1 stop34h 50m

Sofia

日 3/1

4:00 pm-10:05 am

1 stop26h 05m

$516

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 $704 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 $646 on momondo.

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

You could potentially save up to 12% 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
7.6
1,864 reviews
Search SWISS flights
British AirwaysPriceFrom $356Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $356Free CancellationRating
7.5
895 reviews
Search Austrian Airlines flights
KLMPriceFrom $380Free CancellationRating
7.7
1,443 reviews
Search KLM flights
Air FrancePriceFrom $396Free CancellationRating
7.4
1,528 reviews
Search Air France flights
LOTPriceFrom $413Free CancellationRating
7.5
1,174 reviews
Search LOT flights
LufthansaPriceFrom $417Free CancellationRating
6.8
7,754 reviews
Search Lufthansa flights
United AirlinesPriceFrom $422Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
JetBluePriceFrom $478Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
ITA AirwaysPriceFrom $505Free CancellationRating
6.7
1,137 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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