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Cheap flights from Washington, D.C. Reagan-National Airport to Bulgaria from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Bulgaria departing on 2/26. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:00 pm - 11:10 pm
DCA
-
SOF
26h 10m
2 stops
United Airlines Logo
6:20 am - 9:55 pm
SOF
-
DCA
22h 35m
2 stops
$527United Airlines
Tue, Apr 28 - Wed, May 13
Air Canada Logo
9:40 am - 12:10 pm
DCA
-
SOF
19h 30m
2 stops
Air Canada Logo
12:55 pm - 9:55 pm
SOF
-
DCA
16h 00m
2 stops
$532Air Canada
Tue, Apr 28 - Tue, May 12
Air Canada Logo
11:05 am - 6:05 pm
DCA
-
SOF
24h 00m
2 stops
Air Canada Logo
6:20 am - 10:28 pm
SOF
-
DCA
23h 08m
2 stops
$543Air Canada
Wed, Apr 29 - Wed, May 13
United Airlines Logo
7:00 pm - 11:10 pm
DCA
-
SOF
21h 10m
2 stops
United Airlines Logo
2:20 pm - 3:39 pm
SOF
-
DCA
32h 19m
2 stops
$548United Airlines
Tue, Apr 28 - Mon, May 11
Air Canada Logo
6:59 am - 12:10 pm
DCA
-
SOF
22h 11m
2 stops
Air Canada Logo
2:20 pm - 7:58 pm
SOF
-
DCA
36h 38m
2 stops
$556Air Canada
Wed, Apr 29 - Mon, May 11
United Airlines Logo
7:00 pm - 11:10 pm
DCA
-
SOF
21h 10m
2 stops
United Airlines Logo
6:10 am - 7:05 pm
SOF
-
DCA
19h 55m
2 stops
$565United Airlines
Tue, Apr 28 - Fri, May 15
United Airlines Logo
1:00 pm - 1:25 pm
DCA
-
SOF
17h 25m
2 stops
United Airlines Logo
6:30 am - 8:53 am
SOF
-
DCA
33h 23m
2 stops
$574United Airlines
Wed, Apr 29 - Thu, May 14
United Airlines Logo
1:00 pm - 1:25 pm
DCA
-
SOF
17h 25m
2 stops
United Airlines Logo
6:20 am - 3:38 pm
SOF
-
DCA
16h 18m
2 stops
$576United Airlines
Wed, Apr 29 - Fri, May 15
Multiple Airlines Logo
9:40 am - 1:50 pm
DCA
-
SOF
21h 10m
2 stops
Multiple Airlines Logo
2:00 pm - 9:56 pm
SOF
-
DCA
14h 56m
2 stops
$578Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
British Airways Logo
8:45 pm - 8:10 pm
DCA
-
SOF
41h 25m
2 stops
British Airways Logo
8:10 pm - 7:46 am
SOF
-
DCA
42h 36m
2 stops
$579British Airways
Mon, Mar 23 - Mon, Apr 6

United Airlines flights from Washington, D.C. Reagan-National Airport to Bulgaria

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Bulgaria flight tickets
United Airlines
Apr 28
DCA2:00 pmWashington, D.C. Reagan-National
26h 10m
2 stops
SOF11:10 pmSofia
May 13
SOF6:20 amSofia
22h 35m
2 stops
DCA9:55 pmWashington, D.C. Reagan-National
$527
United Airlines
Apr 28
DCA7:00 pmWashington, D.C. Reagan-National
21h 10m
2 stops
SOF11:10 pmSofia
May 11
SOF2:20 pmSofia
32h 19m
2 stops
DCA3:39 pmWashington, D.C. Reagan-National
$548
United Airlines
Apr 28
DCA7:00 pmWashington, D.C. Reagan-National
21h 10m
2 stops
SOF11:10 pmSofia
May 15
SOF6:10 amSofia
19h 55m
2 stops
DCA7:05 pmWashington, D.C. Reagan-National
$565

Air Canada flights from Washington, D.C. Reagan-National Airport to Bulgaria

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Bulgaria flight tickets
Air Canada
Apr 28
DCA9:40 amWashington, D.C. Reagan-National
19h 30m
2 stops
SOF12:10 pmSofia
May 12
SOF12:55 pmSofia
16h 00m
2 stops
DCA9:55 pmWashington, D.C. Reagan-National
$532
Air Canada
Apr 29
DCA11:05 amWashington, D.C. Reagan-National
24h 00m
2 stops
SOF6:05 pmSofia
May 13
SOF6:20 amSofia
23h 08m
2 stops
DCA10:28 pmWashington, D.C. Reagan-National
$543
Air Canada
Apr 29
DCA6:59 amWashington, D.C. Reagan-National
22h 11m
2 stops
SOF12:10 pmSofia
May 11
SOF2:20 pmSofia
36h 38m
2 stops
DCA7:58 pmWashington, D.C. Reagan-National
$556

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 4/28

2:00 pm-11:10 pm

2 stops26h 10m

Sofia

Wed 5/13

6:20 am-9:55 pm

2 stops22h 35m

$527

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 4/28

9:40 am-12:10 pm

2 stops19h 30m

Sofia

Tue 5/12

12:55 pm-9:55 pm

2 stops16h 00m

$532

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/29

11:05 am-6:05 pm

2 stops24h 00m

Sofia

Wed 5/13

6:20 am-10:28 pm

2 stops23h 08m

$543

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 4/28

7:00 pm-11:10 pm

2 stops21h 10m

Sofia

Mon 5/11

2:20 pm-3:39 pm

2 stops32h 19m

$548

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/29

6:59 am-12:10 pm

2 stops22h 11m

Sofia

Mon 5/11

2:20 pm-7:58 pm

2 stops36h 38m

$556

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 4/28

7:00 pm-11:10 pm

2 stops21h 10m

Sofia

Fri 5/15

6:10 am-7:05 pm

2 stops19h 55m

$565

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/29

1:00 pm-1:25 pm

2 stops17h 25m

Sofia

Thu 5/14

6:30 am-8:53 am

2 stops33h 23m

$574

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/29

1:00 pm-1:25 pm

2 stops17h 25m

Sofia

Fri 5/15

6:20 am-3:38 pm

2 stops16h 18m

$576

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 2/25

9:40 am-1:50 pm

2 stops21h 10m

Sofia

Wed 3/4

2:00 pm-9:56 pm

2 stops14h 56m

$578

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 3/23

8:45 pm-8:10 pm

2 stops41h 25m

Sofia

Mon 4/6

8:10 pm-7:46 am

2 stops42h 36m

$579

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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Cheap Washington, D.C. Reagan-National Airport to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Bulgaria

Fastest flight time

16h 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Bulgaria takes 16h 40m
There are no direct flights from Washington, D.C. Reagan-National Airport to Bulgaria. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Bulgaria?

    Prices for flights from Washington, D.C. Reagan-National Airport to Bulgaria are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Bulgaria?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Bulgaria?

    Price Alerts will notify you by email when the price for flights to Bulgaria from Washington, D.C. Reagan-National Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Bulgaria with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bulgaria?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Bulgaria for you.

Can I find flights from Washington, D.C. to Bulgaria with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Bulgaria?

momondo helps you find the best flight between Washington, D.C. 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 Washington, D.C. to Bulgaria right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bulgaria from Washington, D.C.. 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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