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$229+ Cheap flights from Reagan-National (DCA) to Sofia (SOF)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SOF
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Reagan-National to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(Mytrip)

One-way from

$229
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$607
Provider with most accurate pricing for Washington, D.C. Reagan-National-Sofia flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Sofia flights.
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From Washington, D.C. Reagan-National to Sofia
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One-way flight from Washington, D.C. Reagan-National to Sofia
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Highest demand for flights based on searches. 14% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Reagan-National to Sofia

Cheapest flights from Reagan-National to Sofia
Explore the most affordable flight options available from Reagan-National to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Mytrip deal was found by Cheapflights users on 1/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:15 pm
DCA
-
SOF
2 stops14h 00m
Multiple Airlines
Wed 2/186:05 am
SOF
-
DCA
2 stops23h 30m
Multiple Airlines
Deal found 1/14$473
This oojo deal was found by Cheapflights users on 1/14. 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.
Mon 3/910:30 pm
DCA
-
SOF
2 stops39h 40m
British Airways
Mon 3/235:25 pm
SOF
-
DCA
2 stops29h 12m
British Airways
Deal found 1/14$488
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:15 pm
DCA
-
SOF
2 stops19h 05m
Air Canada
Wed 2/186:10 am
SOF
-
DCA
2 stops22h 46m
Air Canada
Deal found 1/13$494
This oojo deal was found by Cheapflights users on 1/12. 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 4/110:12 am
DCA
-
SOF
2 stops44h 13m
British Airways
Wed 4/159:25 pm
SOF
-
DCA
2 stops31h 50m
British Airways
Deal found 1/12$496
This FlightHub deal was found by Cheapflights users on 1/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:15 pm
DCA
-
SOF
2 stops14h 00m
Air Canada
Thu 2/262:35 pm
SOF
-
DCA
2 stops25h 20m
Air Canada
Deal found 1/14$499
This Air France deal was found by Cheapflights users on 1/12. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:40 pm
DCA
-
SOF
2 stops17h 15m
Multiple Airlines
Tue 2/177:00 am
SOF
-
DCA
2 stops18h 29m
Multiple Airlines
Deal found 1/12$501
This FlightHub deal was found by Cheapflights users on 1/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:59 am
DCA
-
SOF
2 stops22h 11m
Air Canada
Tue 4/282:10 pm
SOF
-
DCA
2 stops15h 33m
Air Canada
Deal found 1/13$504
This Air Canada deal was found by Cheapflights users on 1/13. 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.
Tue 9/84:30 pm
DCA
-
SOF
2 stops19h 10m
Air Canada
Tue 9/226:10 am
SOF
-
DCA
2 stops22h 38m
Air Canada
Deal found 1/13$524
This oojo deal was found by Cheapflights users on 1/13. 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.
Sun 3/86:20 am
DCA
-
SOF
2 stops28h 00m
British Airways
Sun 3/222:30 pm
SOF
-
DCA
2 stops25h 29m
British Airways
Deal found 1/13$526
This oojo deal was found by Cheapflights users on 1/15. 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.
Mon 5/410:24 pm
DCA
-
SOF
2 stops39h 06m
British Airways
Mon 8/248:10 pm
SOF
-
DCA
2 stops42h 39m
British Airways
Deal found 1/15$531
This FlightHub deal was found by Cheapflights users on 1/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:40 am
DCA
-
SOF
2 stops18h 20m
Air Canada
Tue 9/2211:35 am
SOF
-
DCA
2 stops17h 13m
Air Canada
Deal found 1/15$536
This oojo deal was found by Cheapflights users on 1/12. 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 3/136:20 am
DCA
-
SOF
2 stops22h 55m
British Airways
Mon 3/235:25 pm
SOF
-
DCA
2 stops29h 12m
British Airways
Deal found 1/12$538

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Sofia 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 January 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sofia that are best for you.

Fly from

Reagan-National

Fly to

Sofia

Route

Depart

Return

Price

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 2/4

4:15 pm-6:20 pm

2 stops19h 05m

Sofia

Wed 2/18

6:10 am-9:56 pm

2 stops22h 46m

$494

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/1

10:12 am-1:25 pm

2 stops44h 13m

Sofia

Wed 4/15

9:25 pm-10:15 pm

2 stops31h 50m

$496

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/31

11:05 am-6:40 pm

2 stops24h 35m

Sofia

Tue 4/14

2:10 pm-10:43 pm

2 stops15h 33m

$499

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 2/3

1:40 pm-1:55 pm

2 stops17h 15m

Sofia

Tue 2/17

7:00 am-6:29 pm

2 stops18h 29m

$501

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 5/4

10:24 pm-8:30 pm

2 stops39h 06m

Sofia

Mon 8/24

8:10 pm-7:49 am

2 stops42h 39m

$531

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 4/26

1:45 pm-7:20 pm

2 stops22h 35m

Sofia

Sun 5/3

9:05 pm-10:15 pm

2 stops32h 10m

$538

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/29

10:12 am-7:20 pm

2 stops26h 08m

Sofia

Fri 4/10

2:20 pm-4:45 pm

2 stops33h 25m

$540

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 5/18

10:24 pm-8:30 pm

2 stops39h 06m

Sofia

Mon 6/1

8:10 pm-7:59 am

2 stops42h 49m

$548

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 3/5

8:45 pm-11:15 am

2 stops31h 30m

Sofia

Mon 3/9

5:25 pm-8:43 pm

2 stops33h 18m

$555

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 2/27

7:00 pm-6:15 pm

2 stops16h 15m

Sofia

Fri 3/6

2:35 pm-7:45 pm

2 stops36h 10m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 13 results
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Compare providers for flights from Reagan-National to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Sofia in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sofia flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Sofia flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sofia flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia 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.

Related info for your journey

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

  • What airport do you fly into for flights to Sofia from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Sofia, you will be flying into Sofia. Sofia (SOF) is just 4.2 mi from the center of the city. Sofia is the only Sofia airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Sofia from Washington, D.C. Reagan-National on a regular basis.

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

    A quick flight from Washington, D.C. Reagan-National Airport to Sofia can take about 19h 05m. Air Canada provides one of the quickest options available for as low as $494. The distance between Washington, D.C. Reagan-National Airport and Sofia is about 4919 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

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