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Cheap flights from the United States to Bulgaria from $247

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 8/4. 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
11:25 pm - 2:30 pm
SOF
-
SFO
25h 05m
2 stops
$684Multiple Airlines
Mon, Sep 14 - Tue, Sep 22
Multiple Airlines Logo
8:10 pm - 3:15 pm
IAD
-
SOF
12h 05m
1 stop
Multiple Airlines Logo
6:25 am - 3:55 pm
SOF
-
IAD
16h 30m
1 stop
$707Multiple Airlines
Wed, Dec 9 - Wed, Dec 23
Turkish Airlines Logo
1:20 pm - 8:45 am
IAD
-
SOF
12h 25m
1 stop
Turkish Airlines Logo
9:35 am - 7:50 pm
SOF
-
IAD
17h 15m
1 stop
$716Turkish Airlines
Wed, Oct 7 - Wed, Oct 21
Turkish Airlines Logo
1:20 pm - 12:15 pm
IAD
-
SOF
15h 55m
1 stop
Turkish Airlines Logo
9:35 am - 7:50 pm
SOF
-
IAD
17h 15m
1 stop
$717Turkish Airlines
Sat, Aug 29 - 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
$730Lufthansa
Wed, Nov 11 - Wed, Nov 25
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
$732Lufthansa
Tue, Nov 10 - Wed, Nov 18
United Airlines Logo
2:50 pm - 10:45 pm
SEA
-
SOF
21h 55m
1 stop
United Airlines Logo
6:25 am - 12:00 pm
SOF
-
SEA
15h 35m
1 stop
$746United Airlines
Sun, Nov 8 - Thu, Nov 12
United Airlines Logo
7:01 am - 6:20 pm
SEA
-
SOF
25h 19m
2 stops
United Airlines Logo
6:25 am - 12:00 pm
SOF
-
SEA
15h 35m
1 stop
$751United Airlines
Sun, Nov 8 - Thu, Nov 12
Austrian Airlines Logo
5:40 pm - 11:40 am
EWR
-
SOF
11h 00m
1 stop
Austrian Airlines Logo
8:00 am - 1:55 pm
SOF
-
EWR
12h 55m
1 stop
$812Austrian Airlines
Sat, Sep 26 - Wed, Oct 7
Austrian Airlines Logo
5:30 pm - 11:40 am
LAX
-
SOF
32h 10m
2 stops
Austrian Airlines Logo
6:55 pm - 4:20 pm
SOF
-
LAX
31h 25m
2 stops
$850Austrian Airlines
Mon, Aug 10 - Mon, Aug 17

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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
Oct 7
IAD1:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SOF8:45 amSofia
Oct 21
SOF9:35 amSofia
17h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$716
Turkish Airlines
Aug 29
IAD1:20 pmWashington, D.C. Dulles Intl
15h 55m
1 stop
SOF12:15 pmSofia
Sep 29
SOF9:35 amSofia
17h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$717
Turkish Airlines
Aug 29
IAD1:20 pmWashington, D.C. Dulles Intl
15h 55m
1 stop
SOF12:15 pmSofia
Sep 30
SOF9:35 amSofia
17h 15m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$719

Austrian Airlines flights from United States to Bulgaria

Our best Austrian Airlines deals on United States to Bulgaria flight tickets
Austrian Airlines
Dec 7
SFO9:40 pmSan Francisco
28h 10m
2 stops
SOF11:50 amSofia
Dec 21
SOF6:45 pmSofia
34h 50m
2 stops
SFO7:35 pmSan Francisco
$776
Austrian Airlines
Jul 13
JFK9:45 pmNew York John F Kennedy Intl
19h 10m
1 stop
SOF11:55 pmSofia
Sep 17
SOF12:25 pmSofia
14h 40m
1 stop
JFK8:05 pmNew York John F Kennedy Intl
$788
Austrian Airlines
Sep 26
EWR5:40 pmNewark
11h 00m
1 stop
SOF11:40 amSofia
Oct 7
SOF8:00 amSofia
12h 55m
1 stop
EWR1:55 pmNewark
$812

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 12, 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

Tue 9/22

11:25 pm-2:30 pm

2 stops25h 05m

$684

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 12/9

8:10 pm-3:15 pm

1 stop12h 05m

Sofia

Wed 12/23

6:25 am-3:55 pm

1 stop16h 30m

$707

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 10/7

1:20 pm-8:45 am

1 stop12h 25m

Sofia

Wed 10/21

9:35 am-7:50 pm

1 stop17h 15m

$716

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 8/29

1:20 pm-12:15 pm

1 stop15h 55m

Sofia

Tue 9/29

9:35 am-7:50 pm

1 stop17h 15m

$717

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Wed 11/11

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/25

6:25 am-12:35 pm

1 stop16h 10m

$730

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 11/10

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

Wed 11/18

6:25 am-12:35 pm

1 stop16h 10m

$732

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/8

2:50 pm-10:45 pm

1 stop21h 55m

Sofia

Thu 11/12

6:25 am-12:00 pm

1 stop15h 35m

$746

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/8

7:01 am-6:20 pm

2 stops25h 19m

Sofia

Thu 11/12

6:25 am-12:00 pm

1 stop15h 35m

$751
Quickest round-trip

NewarkSofia

EWR - SOF

EWRSOF

Newark

Sat 9/26

5:40 pm-11:40 am

1 stop11h 00m

Sofia

Wed 10/7

8:00 am-1:55 pm

1 stop12h 55m

$812

Los AngelesSofia

LAX - SOF

LAXSOF

Los Angeles

Mon 8/10

5:30 pm-11:40 am

2 stops32h 10m

Sofia

Mon 8/17

6:55 pm-4:20 pm

2 stops31h 25m

$850

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 $678.

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 $696 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 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
1,998 reviews
Search SWISS flights
Austrian AirlinesPriceFrom $356Free CancellationRating
7.6
943 reviews
Search Austrian Airlines flights
Turkish AirlinesPriceFrom $391Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $394Free CancellationRating
7.4
9,980 reviews
Search United Airlines flights
LufthansaPriceFrom $394Free CancellationRating
6.8
8,128 reviews
Search Lufthansa flights
Air FrancePriceFrom $396Free CancellationRating
7.5
1,623 reviews
Search Air France flights
KLMPriceFrom $403Free CancellationRating
7.8
1,537 reviews
Search KLM flights
LOTPriceFrom $413Free CancellationRating
7.5
1,210 reviews
Search LOT flights
British AirwaysPriceFrom $421Free CancellationRating
6.7
8,102 reviews
Search British Airways flights
JetBluePriceFrom $478Free CancellationRating
7.1
3,010 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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