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Cheap flights from the United States to Bulgaria from $195

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 9/5. 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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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

Lufthansa Logo
8:40 pm - 6:20 pmBOS-SOF
14h 40m1 stop
Lufthansa Logo
2:00 pm - 6:35 pmSOF-BOS
11h 35m1 stop
$441Lufthansa
Find Deal
vie., ene. 16 - vie., ene. 30
Logo
8:40 pm - 6:20 pmBOS-SOF
14h 40m1 stop
Logo
7:05 pm - 6:35 pmSOF-BOS
30h 30m1 stop
$445
Find Deal
dom., ene. 18 - dom., feb. 1
United Airlines Logo
3:10 pm - 11:00 pmEWR-SOF
24h 50m2 stops
United Airlines Logo
8:00 am - 1:55 pmSOF-EWR
12h 55m1 stop
$446United Airlines
Find Deal
mar., sep. 16 - mar., sep. 30
United Airlines Logo
12:10 pm - 12:00 pmBOS-SOF
16h 50m2 stops
United Airlines Logo
6:00 am - 5:40 pmSOF-BOS
18h 40m1 stop
$447United Airlines
Find Deal
lun., oct. 6 - mar., oct. 14
Austrian Airlines Logo
5:40 pm - 11:55 pmEWR-SOF
23h 15m1 stop
Austrian Airlines Logo
12:25 pm - 1:55 pmSOF-EWR
32h 30m1 stop
$451Austrian Airlines
Find Deal
lun., sep. 22 - lun., oct. 13
Austrian Airlines Logo
12:10 pm - 11:55 pmBOS-SOF
28h 45m2 stops
Austrian Airlines Logo
8:00 am - 1:50 pmSOF-BOS
12h 50m1 stop
$457Austrian Airlines
Find Deal
mié., oct. 1 - mié., oct. 8
LOT Logo
10:50 pm - 5:55 pmEWR-SOF
12h 05m1 stop
LOT Logo
6:40 pm - 6:10 pmSOF-EWR
30h 30m1 stop
$490LOT
Find Deal
jue., sep. 18 - mar., sep. 23
LOT Logo
10:20 pm - 5:55 pmJFK-SOF
12h 35m1 stop
LOT Logo
6:40 pm - 8:20 pmSOF-JFK
32h 40m1 stop
$490LOT
Find Deal
jue., sep. 18 - mar., sep. 23
Turkish Airlines Logo
11:45 pm - 8:35 amORD-SOF
24h 50m1 stop
Turkish Airlines Logo
9:15 pm - 5:55 pmSOF-ORD
28h 40m1 stop
$552Turkish Airlines
Find Deal
sáb., oct. 4 - mar., oct. 14
Turkish Airlines Logo
11:45 pm - 8:35 amORD-SOF
24h 50m1 stop
Turkish Airlines Logo
3:35 pm - 9:40 amSOF-ORD
26h 05m1 stop
$556Turkish Airlines
Find Deal
sáb., sep. 6 - sáb., oct. 4

United Airlines flights from United States to Bulgaria

Our best United Airlines deals on United States to Bulgaria flight tickets
United Airlines
Sep 16
EWR3:10 pmNewark
24h 50m
2 stops
SOF11:00 pmSofia
Sep 30
SOF8:00 amSofia
12h 55m
1 stop
EWR1:55 pmNewark
$446
Find similar
United Airlines
Oct 6
BOS12:10 pmBoston Logan Intl
16h 50m
2 stops
SOF12:00 pmSofia
Oct 14
SOF6:00 amSofia
18h 40m
1 stop
BOS5:40 pmBoston Logan Intl
$447
Find similar
United Airlines
Oct 1
BOS5:10 pmBoston Logan Intl
11h 30m
1 stop
SOF11:40 amSofia
Oct 9
SOF12:45 pmSofia
11h 55m
1 stop
BOS5:40 pmBoston Logan Intl
$448
Find similar

Turkish Airlines flights from United States to Bulgaria

Our best Turkish Airlines deals on United States to Bulgaria flight tickets
Turkish Airlines
Oct 4
ORD11:45 pmChicago O'Hare Intl
24h 50m
1 stop
SOF8:35 amSofia
Oct 14
SOF9:15 pmSofia
28h 40m
1 stop
ORD5:55 pmChicago O'Hare Intl
$552
Find similar
Turkish Airlines
Sep 6
ORD11:45 pmChicago O'Hare Intl
24h 50m
1 stop
SOF8:35 amSofia
Oct 4
SOF3:35 pmSofia
26h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$556
Find similar
Turkish Airlines
Sep 3
ORD11:45 pmChicago O'Hare Intl
24h 50m
1 stop
SOF8:35 amSofia
Sep 17
SOF9:15 pmSofia
20h 25m
1 stop
ORD9:40 amChicago O'Hare Intl
$560
Find similar

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 agosto 18, 2025.
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

vie. 1/16

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

vie. 1/30

2:00 pm-6:35 pm

1 stop11h 35m

$441

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

dom. 1/18

8:40 pm-6:20 pm

1 stop14h 40m

Sofia

dom. 2/1

7:05 pm-6:35 pm

1 stop30h 30m

$445

NewarkSofia

EWR - SOF

EWRSOF

Newark

mar. 9/16

3:10 pm-11:00 pm

2 stops24h 50m

Sofia

mar. 9/30

8:00 am-1:55 pm

1 stop12h 55m

$446

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

lun. 10/6

12:10 pm-12:00 pm

2 stops16h 50m

Sofia

mar. 10/14

6:00 am-5:40 pm

1 stop18h 40m

$447

NewarkSofia

EWR - SOF

EWRSOF

Newark

lun. 9/22

5:40 pm-11:55 pm

1 stop23h 15m

Sofia

lun. 10/13

12:25 pm-1:55 pm

1 stop32h 30m

$451

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

mié. 10/1

12:10 pm-11:55 pm

2 stops28h 45m

Sofia

mié. 10/8

8:00 am-1:50 pm

1 stop12h 50m

$457

NewarkSofia

EWR - SOF

EWRSOF

Newark

jue. 9/18

10:50 pm-5:55 pm

1 stop12h 05m

Sofia

mar. 9/23

6:40 pm-6:10 pm

1 stop30h 30m

$490

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

jue. 9/18

10:20 pm-5:55 pm

1 stop12h 35m

Sofia

mar. 9/23

6:40 pm-8:20 pm

1 stop32h 40m

$490

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

sáb. 10/4

11:45 pm-8:35 am

1 stop24h 50m

Sofia

mar. 10/14

9:15 pm-5:55 pm

1 stop28h 40m

$552

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

sáb. 9/6

11:45 pm-8:35 am

1 stop24h 50m

Sofia

sáb. 10/4

3:35 pm-9:40 am

1 stop26h 05m

$556

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 March is also cheap. Prices for this month can be found on momondo for an average of $635.

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from United States to Bulgaria is on a Monday when prices can be found for as low as $773. On the other hand, Saturday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,099.

What is the cheapest time of day to depart on your flight to Bulgaria?

In the evening is the cheapest time of day to fly from United States to Bulgaria when you can find flight prices for as low as $695. Flying to Bulgaria in the evening is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly in the afternoon, with an average ticket price of $942. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $738 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 $638 on momondo.

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

You could potentially save up to 15% 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

Best Price Found

$195

Fastest flight time

10h 25m

Direct flights

None

Airports in Bulgaria

1 airport
The best one-way flight to Bulgaria from United States in the past 72 hours is $195. The best round-trip flight deal from United States to Bulgaria found on momondo in the last 72 hours is $441.
The fastest flight from United States to Bulgaria takes 10h 25m
There are no direct flights from United States to Bulgaria. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Sofia Airport, Los Angeles Airport - Sofia Airport and Newark Airport - Sofia Airport.
There is 1 airport near Bulgaria: Sofia (SOF)
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 $401Free CancellationRating
7.6
1,699 reviews
Search SWISS flights
Air FrancePriceFrom $416Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Austrian AirlinesPriceFrom $425Free CancellationRating
7.6
829 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $428Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
KLMPriceFrom $432Free CancellationRating
7.8
1,385 reviews
Search KLM flights
LOTPriceFrom $437Free CancellationRating
7.6
1,109 reviews
Search LOT flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
3,945 reviews
Search Turkish Airlines flights
ITA AirwaysPriceFrom $505Free CancellationRating
6.7
1,019 reviews
Search ITA Airways flights
British AirwaysPriceFrom $510Free CancellationRating
6.6
7,277 reviews
Search British Airways flights
LufthansaPriceFrom $543Free CancellationRating
6.8
7,330 reviews
Search Lufthansa 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.

An easier way to manage your Bulgaria trip

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