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Cheap flights from the United States to Bulgaria from $223

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 10/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:30 pm - 1:35 am
SFO
-
SOF
23h 05m
2 stops
Multiple Airlines Logo
9:40 pm - 2:30 pm
SOF
-
SFO
26h 50m
2 stops
$682Multiple Airlines
Mon, Sep 14 - Wed, Sep 23
Multiple Airlines Logo
4:30 pm - 1:35 am
SFO
-
SOF
23h 05m
2 stops
Multiple Airlines Logo
11:25 pm - 2:30 pm
SOF
-
SFO
25h 05m
2 stops
$684Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
Turkish Airlines Logo
1:20 pm - 8:45 am
IAD
-
SOF
12h 25m
1 stop
Turkish Airlines Logo
12:35 pm - 7:50 pm
SOF
-
IAD
14h 15m
1 stop
$718Turkish Airlines
Sun, Aug 23 - Fri, Sep 18
Turkish Airlines Logo
12:50 pm - 3:00 pm
JFK
-
SOF
19h 10m
1 stop
Turkish Airlines Logo
9:10 pm - 10:55 am
SOF
-
JFK
20h 45m
1 stop
$718Turkish Airlines
Sun, Sep 6 - Tue, Sep 29
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$729Lufthansa
Tue, Nov 3 - Tue, Nov 17
Lufthansa Logo
9:40 pm - 10:45 pm
SFO
-
SOF
15h 05m
1 stop
Lufthansa Logo
6:25 am - 12:35 pm
SOF
-
SFO
16h 10m
1 stop
$734Lufthansa
Tue, Dec 8 - Tue, Jan 19
United Airlines Logo
6:05 am - 12:10 pm
LGA
-
SOF
23h 05m
2 stops
United Airlines Logo
6:20 am - 4:57 pm
SOF
-
LGA
17h 37m
2 stops
$763United Airlines
Mon, Aug 10 - Wed, Aug 26
United Airlines Logo
2:55 pm - 12:10 pm
LGA
-
SOF
14h 15m
2 stops
United Airlines Logo
6:20 am - 2:37 pm
SOF
-
LGA
15h 17m
2 stops
$764United Airlines
Tue, Aug 11 - Wed, Aug 26
LOT Logo
10:50 pm - 1:55 pm
EWR
-
SOF
32h 05m
1 stop
LOT Logo
6:45 pm - 8:50 pm
SOF
-
EWR
33h 05m
1 stop
$814LOT
Thu, Aug 20 - Wed, Sep 23
LOT Logo
8:10 pm - 1:50 pm
ORD
-
SOF
33h 40m
1 stop
LOT Logo
6:45 pm - 7:50 pm
SOF
-
ORD
33h 05m
1 stop
$845LOT
Fri, Aug 14 - Thu, Sep 24

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Turkish Airlines flights from United States to Bulgaria

Our best Turkish Airlines deals on United States to Bulgaria flight tickets
Turkish Airlines
Aug 23
IAD1:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SOF8:45 amSofia
Sep 18
SOF12:35 pmSofia
14h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$718
Turkish Airlines
Aug 4
IAD9:45 pmWashington, D.C. Dulles Intl
15h 35m
1 stop
SOF8:20 pmSofia
Sep 9
SOF3:50 pmSofia
26h 45m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$722
Turkish Airlines
Aug 30
IAD1:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SOF8:45 amSofia
Sep 13
SOF9:10 pmSofia
21h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$750

Austrian Airlines flights from United States to Bulgaria

Our best Austrian Airlines deals on United States to Bulgaria flight tickets
Austrian Airlines
Sep 15
EWR5:40 pmNewark
11h 00m
1 stop
SOF11:40 amSofia
Sep 28
SOF12:25 pmSofia
32h 30m
1 stop
EWR1:55 pmNewark
$820
Austrian Airlines
Dec 29
EWR5:55 pmNewark
10h 55m
1 stop
SOF11:50 amSofia
Jan 7
SOF6:25 amSofia
15h 25m
2 stops
EWR2:50 pmNewark
$841
Austrian Airlines
Sep 18
EWR5:40 pmNewark
11h 00m
1 stop
SOF11:40 amSofia
Sep 28
SOF6:55 pmSofia
26h 00m
1 stop
EWR1:55 pmNewark
$845

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 July 7, 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

Cheapest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 9/14

4:30 pm-1:35 am

2 stops23h 05m

Sofia

Wed 9/23

9:40 pm-2:30 pm

2 stops26h 50m

$682

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Mon 9/14

4:30 pm-1:35 am

2 stops23h 05m

Sofia

Tue 9/22

11:25 pm-2:30 pm

2 stops25h 05m

$684
Quickest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 8/23

1:20 pm-8:45 am

1 stop12h 25m

Sofia

Fri 9/18

12:35 pm-7:50 pm

1 stop14h 15m

$718

New YorkSofia

JFK - SOF

JFKSOF

New York John F Kennedy Intl

Sun 9/6

12:50 pm-3:00 pm

1 stop19h 10m

Sofia

Tue 9/29

9:10 pm-10:55 am

1 stop20h 45m

$718

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/3

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 11/17

6:25 am-12:35 pm

1 stop16h 10m

$729

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 12/8

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Tue 1/19

6:25 am-12:35 pm

1 stop16h 10m

$734

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 8/10

6:05 am-12:10 pm

2 stops23h 05m

Sofia

Wed 8/26

6:20 am-4:57 pm

2 stops17h 37m

$763

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 8/11

2:55 pm-12:10 pm

2 stops14h 15m

Sofia

Wed 8/26

6:20 am-2:37 pm

2 stops15h 17m

$764

NewarkSofia

EWR - SOF

EWRSOF

Newark

Thu 8/20

10:50 pm-1:55 pm

1 stop32h 05m

Sofia

Wed 9/23

6:45 pm-8:50 pm

1 stop33h 05m

$814

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Fri 8/14

8:10 pm-1:50 pm

1 stop33h 40m

Sofia

Thu 9/24

6:45 pm-7:50 pm

1 stop33h 05m

$845

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 April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $680.

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 $694 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 $586 on momondo.

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

You could potentially save up to 35% 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 30m

Direct flights

None
The fastest flight from United States to Bulgaria takes 10h 30m
There are no direct flights from United States to Bulgaria. There are no popular flight routes from United States to Bulgaria.
Search flight deals

Frequently asked questions about flying from the United States to Bulgaria

  • 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
1,992 reviews
Search SWISS flights
Austrian AirlinesPriceFrom $356Free CancellationRating
7.6
939 reviews
Search Austrian Airlines flights
Turkish AirlinesPriceFrom $391Free CancellationRating
7.4
4,439 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $394Free CancellationRating
7.4
9,947 reviews
Search United Airlines flights
LufthansaPriceFrom $394Free CancellationRating
6.8
8,124 reviews
Search Lufthansa flights
Air FrancePriceFrom $396Free CancellationRating
7.5
1,623 reviews
Search Air France flights
KLMPriceFrom $403Free CancellationRating
7.8
1,534 reviews
Search KLM flights
LOTPriceFrom $413Free CancellationRating
7.5
1,210 reviews
Search LOT flights
British AirwaysPriceFrom $421Free CancellationRating
6.7
8,103 reviews
Search British Airways flights
JetBluePriceFrom $478Free CancellationRating
7.1
3,012 reviews
Search JetBlue 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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