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$487+ Cheap flights from Reagan-National (DCA) to Bulgaria

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SOF
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Reagan-National to Bulgaria

Keep the following information in mind while searching for Reagan-National to Bulgaria flight deals. Data was last updated November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$583
(United Airlines)

One-way from

$487
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$780
Provider with most accurate pricing for Washington, D.C. (WAS)-Sofia flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sofia flights.
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From Washington, D.C. Reagan-National to Bulgaria
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One-way flight from Washington, D.C. Reagan-National to Bulgaria
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Highest demand for flights based on searches. 6% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Reagan-National to Bulgaria

Cheapest flights from Reagan-National to Bulgaria
Explore the most affordable flight options available from Reagan-National to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:40 amDCA - SOF
2 stops30h 05mUnited Airlines
Wed 1/146:10 amSOF - DCA
2 stops35h 11mUnited Airlines
Deal found 11/25$583
This Air Canada deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:10 pmDCA - SOF
2 stops14h 05mMultiple Airlines
Wed 12/106:05 amSOF - DCA
2 stops22h 51mMultiple Airlines
Deal found 11/24$695
This United Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:00 pmDCA - SOF
2 stops16h 20mUnited Airlines
Wed 1/146:10 amSOF - DCA
2 stops16h 21mUnited Airlines
Deal found 11/24$697
This United Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:40 pmDCA - SOF
2 stops43h 05mUnited Airlines
Thu 1/226:00 amSOF - DCA
2 stops22h 58mUnited Airlines
Deal found 11/24$699
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:15 pmDCA - SOF
2 stops31h 45mBritish Airways
Sat 12/1312:05 pmSOF - DCA
2 stops41h 25mBritish Airways
Deal found 11/25$704
This oojo deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:45 pmDCA - SOF
2 stops55h 30mBritish Airways
Wed 1/219:00 pmSOF - DCA
2 stops32h 03mBritish Airways
Deal found 11/24$709
This oojo deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:41 pmDCA - SOF
2 stops40h 19mBritish Airways
Sun 12/142:30 pmSOF - DCA
2 stops34h 25mBritish Airways
Deal found 11/24$710
This KLM deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/92:55 pmDCA - SOF
2 stops16h 10mKLM
Tue 1/207:00 amSOF - DCA
2 stops18h 29mKLM
Deal found 11/24$741
This oojo deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:59 amDCA - SOF
2 stops24h 01mBritish Airways
Sat 12/1312:05 pmSOF - DCA
2 stops36h 50mBritish Airways
Deal found 11/24$762
This Air Canada deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:40 amDCA - SOF
2 stops25h 40mAir Canada
Thu 1/226:00 amSOF - DCA
2 stops35h 23mAir Canada
Deal found 11/24$776
This KLM deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:55 pmDCA - SOF
2 stops16h 10mKLM
Thu 1/227:00 amSOF - DCA
2 stops16h 29mKLM
Deal found 11/24$792
This oojo deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/138:45 pmDCA - SOF
2 stops36h 35mBritish Airways
Sun 1/112:30 pmSOF - DCA
2 stops35h 24mBritish Airways
Deal found 11/25$890

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
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

Reagan-National

Fly to

Bulgaria

Route

Depart

Return

Price

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 12/28

9:40 am-10:45 pm

2 stops30h 05m

Sofia

Wed 1/14

6:10 am-10:21 am

2 stops35h 11m

$583

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 1/21

4:15 pm-10:45 pm

2 stops23h 30m

Sofia

Sun 1/25

2:25 pm-8:55 am

2 stops25h 30m

$639

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

Sun 4/12

9:10 pm-7:04 pm

2 stops28h 54m

$645

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 3/28

8:45 pm-6:10 pm

2 stops39h 25m

Sofia

Sun 4/5

9:10 pm-6:48 pm

2 stops28h 38m

$645

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 1/14

6:00 am-6:20 pm

2 stops29h 20m

Sofia

Wed 1/28

6:10 am-9:58 pm

2 stops22h 48m

$678

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 3/25

4:15 pm-6:20 pm

2 stops20h 05m

Sofia

Wed 4/8

6:20 am-3:30 pm

2 stops16h 10m

$678

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 4/28

9:40 am-12:05 pm

2 stops19h 25m

Sofia

Tue 5/12

6:10 am-9:48 pm

2 stops22h 38m

$684

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 2/23

10:30 pm-8:10 pm

2 stops38h 40m

Sofia

Mon 3/9

5:25 pm-4:37 pm

2 stops29h 12m

$687

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 1/17

8:45 pm-4:20 pm

2 stops36h 35m

Sofia

Sat 1/31

12:05 pm-11:59 pm

2 stops18h 54m

$695

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/29

1:30 pm-7:10 pm

2 stops22h 40m

Sofia

Sun 4/12

9:10 pm-7:04 pm

2 stops28h 54m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 17 results
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Best time to book a flight from Reagan-National to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Bulgaria
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Bulgaria?

    Airlines like United Airlines, British Airways, and Air Canada fly from Washington, D.C. Reagan-National Airport to Bulgaria in about 29h 20m. The time it takes to get you to your destination can typically vary by up to 12h 05m. The distance from Washington, D.C. Reagan-National Airport to Bulgaria is about 4919 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Bulgaria one-way?

    $487 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and British Airways, with prices starting from $510 and $1,071, respectively.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Bulgaria?

    Most travelers choose Washington, D.C. Reagan-National - Sofia, Washington, D.C. Reagan-National - Bourgas or Washington, D.C. Reagan-National - Varna when deciding on the best route from Washington, D.C. Reagan-National Airport to Bulgaria.

  • Can I find deals for flights from Reagan-National to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Bulgaria.

  • Can I find deals for business class flights from Reagan-National to Bulgaria?

    Yes. Cheapflights offers flight deals from Reagan-National to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Reagan-National to Bulgaria

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