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$503+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SOF
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
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 November 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$658
(Mytrip)

One-way from

$503
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$790
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. 6% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 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 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 November 16, 2025.

This Gotogate deal was found by Cheapflights users on 11/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:40 amDCA - SOF
2 stops20h 45mMultiple Airlines
Mon 11/241:45 pmSOF - DCA
2 stops15h 11mMultiple Airlines
Deal found 11/16$740
This KLM deal was found by Cheapflights users on 11/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:55 pmDCA - SOF
2 stops16h 10mKLM
Wed 12/177:00 amSOF - DCA
2 stops17h 05mKLM
Deal found 11/15$762
This Mytrip deal was found by Cheapflights users on 11/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:05 amDCA - SOF
2 stops26h 55mMultiple Airlines
Wed 12/176:35 pmSOF - DCA
3 stops34h 21mMultiple Airlines
Deal found 11/15$818
This United Airlines deal was found by Cheapflights users on 11/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:00 pmDCA - SOF
2 stops17h 15mUnited Airlines
Tue 1/66:00 amSOF - DCA
2 stops35h 21mUnited Airlines
Deal found 11/15$860
This Gotogate deal was found by Cheapflights users on 11/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:05 amDCA - SOF
2 stops24h 15mMultiple Airlines
Mon 12/221:45 pmSOF - DCA
2 stops15h 11mMultiple Airlines
Deal found 11/14$883
This British Airways deal was found by Cheapflights users on 11/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:30 pmDCA - SOF
2 stops16h 30mBritish Airways
Wed 12/249:00 pmSOF - DCA
2 stops26h 35mBritish Airways
Deal found 11/14$1,017
This Air Canada deal was found by Cheapflights users on 11/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmDCA - SOF
2 stops38h 40mAir Canada
Wed 1/72:25 pmSOF - DCA
2 stops38h 31mAir Canada
Deal found 11/15$1,026
This Air Canada deal was found by Cheapflights users on 11/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amDCA - SOF
2 stops24h 50mAir Canada
Wed 1/72:25 pmSOF - DCA
2 stops39h 10mAir Canada
Deal found 11/15$1,032
This Air Canada deal was found by Cheapflights users on 11/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:10 pmDCA - SOF
2 stops38h 40mAir Canada
Tue 1/66:00 amSOF - DCA
2 stops16h 31mAir Canada
Deal found 11/15$1,101
This United Airlines deal was found by Cheapflights users on 11/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 pmDCA - SOF
2 stops21h 45mUnited Airlines
Mon 1/52:20 pmSOF - DCA
2 stops38h 36mUnited Airlines
Deal found 11/15$1,111

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 November 16, 2025.
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 2/18

6:00 am-6:20 pm

2 stops29h 20m

Sofia

Wed 3/4

2:00 pm-9:58 pm

2 stops14h 58m

$682

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/17

9:40 am-6:20 pm

2 stops26h 40m

Sofia

Tue 3/31

6:10 am-9:53 pm

2 stops22h 43m

$688

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 3/20

9:16 pm-1:00 pm

2 stops33h 44m

Sofia

Fri 4/3

2:20 pm-7:40 am

2 stops24h 20m

$704

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 4/16

6:59 am-12:05 pm

2 stops22h 06m

Sofia

Thu 4/30

12:50 pm-9:53 pm

2 stops16h 03m

$704

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 2/20

2:33 pm-2:05 pm

2 stops16h 32m

Sofia

Fri 2/27

7:00 am-4:29 pm

2 stops16h 29m

$707

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 2/20

3:30 pm-1:15 pm

2 stops14h 45m

Sofia

Thu 2/26

6:05 am-5:33 pm

2 stops18h 28m

$713

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 12/7

2:55 pm-2:05 pm

2 stops16h 10m

Sofia

Wed 12/17

7:00 am-5:05 pm

2 stops17h 05m

$762

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 3/12

11:00 am-2:05 pm

2 stops21h 05m

Sofia

Mon 3/16

7:00 am-11:08 pm

2 stops22h 08m

$771

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 2/21

6:00 am-1:15 pm

2 stops24h 15m

Sofia

Fri 2/27

2:35 pm-9:58 pm

2 stops38h 23m

$814

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 12/30

1:00 pm-1:15 pm

2 stops17h 15m

Sofia

Tue 1/6

6:00 am-10:21 am

2 stops35h 21m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 16 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 November.
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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Sofia

What is the cheapest time of day to fly from DCA to SOF?

Find hourly flight availability from Reagan-National to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to Sofia in the evening. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the morning.

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 16h 32m. Air Canada provides one of the quickest options available for as low as $707. 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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