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Cheap flights from the United States to Bulgaria from $234

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 9/1. 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.
Turkish Airlines Logo
9:40 pm - 8:45 am
IAD
-
SOF
28h 05m
1 stop
Turkish Airlines Logo
9:35 am - 11:30 am
SOF
-
IAD
32h 55m
1 stop
$649Turkish Airlines
Fri, Sep 11 - Fri, Sep 25
Turkish Airlines Logo
1:30 pm - 3:10 pm
IAD
-
SOF
18h 40m
1 stop
Turkish Airlines Logo
9:40 am - 7:25 pm
SOF
-
IAD
16h 45m
1 stop
$651Turkish Airlines
Fri, Nov 20 - Sun, Nov 29
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
$666Turkish Airlines
Fri, Sep 11 - Fri, Oct 9
United Airlines Logo
3:00 pm - 1:15 pm
LGA
-
SOF
15h 15m
2 stops
United Airlines Logo
7:55 am - 11:22 pm
SOF
-
LGA
22h 27m
2 stops
$761United Airlines
Mon, Dec 7 - Fri, Dec 25
United Airlines Logo
2:32 pm - 1:15 pm
LGA
-
SOF
15h 43m
2 stops
United Airlines Logo
2:00 pm - 11:27 pm
SOF
-
LGA
16h 27m
2 stops
$764United Airlines
Tue, Nov 3 - Wed, Nov 18
LOT Logo
5:10 pm - 6:00 pm
ORD
-
SOF
16h 50m
1 stop
LOT Logo
2:35 pm - 7:50 pm
SOF
-
ORD
13h 15m
1 stop
$787LOT
Thu, Sep 3 - Thu, Sep 10
LOT Logo
9:50 pm - 1:55 pm
ORD
-
SOF
32h 05m
1 stop
LOT Logo
6:45 pm - 3:10 pm
SOF
-
ORD
28h 25m
1 stop
$792LOT
Mon, Aug 24 - Mon, Aug 31
Austrian Airlines Logo
5:40 pm - 6:10 pm
EWR
-
SOF
17h 30m
1 stop
Austrian Airlines Logo
4:05 pm - 1:55 pm
SOF
-
EWR
28h 50m
1 stop
$808Austrian Airlines
Mon, Sep 7 - Sun, Sep 20
Austrian Airlines Logo
5:10 pm - 11:40 am
BOS
-
SOF
11h 30m
1 stop
Austrian Airlines Logo
6:55 pm - 7:19 pm
SOF
-
BOS
31h 24m
2 stops
$860Austrian Airlines
Tue, Aug 11 - Mon, Sep 7
Lufthansa Logo
8:05 pm - 6:40 pm
BOS
-
SOF
15h 35m
1 stop
Lufthansa Logo
6:20 am - 3:40 pm
SOF
-
BOS
16h 20m
1 stop
$861Lufthansa
Sun, Aug 9 - Fri, Aug 28

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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
Sep 11
IAD9:40 pmWashington, D.C. Dulles Intl
28h 05m
1 stop
SOF8:45 amSofia
Sep 25
SOF9:35 amSofia
32h 55m
1 stop
IAD11:30 amWashington, D.C. Dulles Intl
$649
Turkish Airlines
Sep 11
IAD1:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SOF8:45 amSofia
Oct 9
SOF12:35 pmSofia
14h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$666
Turkish Airlines
Sep 7
IAD1:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SOF8:45 amSofia
Oct 11
SOF9:35 amSofia
17h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$667

British Airways flights from United States to Bulgaria

Our best British Airways deals on United States to Bulgaria flight tickets
British Airways
Nov 23
DCA5:02 pmWashington, D.C. Reagan-National
44h 08m
2 stops
SOF8:10 pmSofia
Dec 7
SOF5:15 pmSofia
32h 42m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$765
British Airways
Nov 23
SFO11:23 pmSan Francisco
34h 47m
2 stops
SOF8:10 pmSofia
Dec 7
SOF5:15 pmSofia
37h 08m
2 stops
SFO8:23 pmSan Francisco
$775
British Airways
Oct 19
DCA10:16 pmWashington, D.C. Reagan-National
39h 14m
2 stops
SOF8:30 pmSofia
Nov 2
SOF5:15 pmSofia
33h 04m
2 stops
DCA7:19 pmWashington, D.C. Reagan-National
$790

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 23, 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

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 9/11

9:40 pm-8:45 am

1 stop28h 05m

Sofia

Fri 9/25

9:35 am-11:30 am

1 stop32h 55m

$649

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 11/20

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Sun 11/29

9:40 am-7:25 pm

1 stop16h 45m

$651
Quickest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 9/11

1:20 pm-8:45 am

1 stop12h 25m

Sofia

Fri 10/9

12:35 pm-7:50 pm

1 stop14h 15m

$666

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Mon 12/7

3:00 pm-1:15 pm

2 stops15h 15m

Sofia

Fri 12/25

7:55 am-11:22 pm

2 stops22h 27m

$761

New YorkSofia

LGA - SOF

LGASOF

New York LaGuardia

Tue 11/3

2:32 pm-1:15 pm

2 stops15h 43m

Sofia

Wed 11/18

2:00 pm-11:27 pm

2 stops16h 27m

$764

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Thu 9/3

5:10 pm-6:00 pm

1 stop16h 50m

Sofia

Thu 9/10

2:35 pm-7:50 pm

1 stop13h 15m

$787

ChicagoSofia

ORD - SOF

ORDSOF

Chicago O'Hare Intl

Mon 8/24

9:50 pm-1:55 pm

1 stop32h 05m

Sofia

Mon 8/31

6:45 pm-3:10 pm

1 stop28h 25m

$792

NewarkSofia

EWR - SOF

EWRSOF

Newark

Mon 9/7

5:40 pm-6:10 pm

1 stop17h 30m

Sofia

Sun 9/20

4:05 pm-1:55 pm

1 stop28h 50m

$808

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Tue 8/11

5:10 pm-11:40 am

1 stop11h 30m

Sofia

Mon 9/7

6:55 pm-7:19 pm

2 stops31h 24m

$860

BostonSofia

BOS - SOF

BOSSOF

Boston Logan Intl

Sun 8/9

8:05 pm-6:40 pm

1 stop15h 35m

Sofia

Fri 8/28

6:20 am-3:40 pm

1 stop16h 20m

$861

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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $609.

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 $698 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 31% 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 40m

Direct flights

None
The fastest flight from United States to Bulgaria takes 10h 40m
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
2,016 reviews
Search SWISS flights
Austrian AirlinesPriceFrom $356Free CancellationRating
7.6
950 reviews
Search Austrian Airlines flights
Turkish AirlinesPriceFrom $391Free CancellationRating
7.4
4,449 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $394Free CancellationRating
7.4
10,020 reviews
Search United Airlines flights
LufthansaPriceFrom $395Free CancellationRating
6.8
8,159 reviews
Search Lufthansa flights
Air FrancePriceFrom $396Free CancellationRating
7.5
1,627 reviews
Search Air France flights
KLMPriceFrom $403Free CancellationRating
7.8
1,544 reviews
Search KLM flights
LOTPriceFrom $413Free CancellationRating
7.5
1,212 reviews
Search LOT flights
British AirwaysPriceFrom $421Free CancellationRating
6.7
8,125 reviews
Search British Airways flights
JetBluePriceFrom $478Free CancellationRating
7.1
3,018 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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