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$448+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SOF
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$552
(FlightHub)

One-way from

$448
(Orbitz)

Popular in

December

Cheapest in

November

Average price

$653
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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High demand for flights, 0% potential price rise
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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 September 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 septiembre 17, 2025.

This Air Canada deal was found by Cheapflights users on 9/15. 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.
lun. 10/209:40 amDCA - SOF
2 stops19h 50mMultiple Airlines
mié. 11/122:25 pmSOF - DCA
2 stops25h 30mMultiple Airlines
Deal found 9/15$555
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/56:50 pmDCA - SOF
2 stops16h 10mAir Canada
mié. 11/196:10 amSOF - DCA
2 stops16h 21mAir Canada
Deal found 9/16$562
This Air Canada deal was found by Cheapflights users on 9/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/266:59 amDCA - SOF
2 stops24h 36mAir Canada
lun. 11/102:20 pmSOF - DCA
2 stops32h 11mAir Canada
Deal found 9/16$581
This FlightHub deal was found by Cheapflights users on 9/17. 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.
dom. 11/911:05 amDCA - SOF
2 stops24h 15mAir Canada
dom. 11/236:10 amSOF - DCA
2 stops16h 21mAir Canada
Deal found 9/17$601
This FlightHub deal was found by Cheapflights users on 9/17. 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.
jue. 11/66:00 amDCA - SOF
2 stops29h 00mAir Canada
jue. 11/206:00 amSOF - DCA
2 stops16h 31mAir Canada
Deal found 9/17$605
This FlightHub deal was found by Cheapflights users on 9/15. 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.
vie. 11/76:00 amDCA - SOF
2 stops24h 35mAir Canada
vie. 11/216:10 amSOF - DCA
2 stops20h 35mAir Canada
Deal found 9/15$612
This Orbitz deal was found by Cheapflights users on 9/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/410:15 pmDCA - SOF
2 stops30h 00mBritish Airways
lun. 12/85:25 pmSOF - DCA
2 stops32h 32mBritish Airways
Deal found 9/17$613
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2210:00 pmDCA - SOF
2 stops32h 30mBritish Airways
lun. 11/35:25 pmSOF - DCA
2 stops32h 31mBritish Airways
Deal found 9/15$646
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/143:30 pmDCA - SOF
2 stops14h 45mUnited Airlines
vie. 11/286:10 amSOF - DCA
2 stops16h 21mUnited Airlines
Deal found 9/16$660
This British Airways deal was found by Cheapflights users on 9/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/81:44 pmDCA - SOF
2 stops16h 16mBritish Airways
sáb. 11/2212:05 pmSOF - DCA
2 stops18h 51mBritish Airways
Deal found 9/16$663
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/309:40 amDCA - SOF
2 stops17h 25mMultiple Airlines
mié. 10/86:15 amSOF - DCA
2 stops16h 36mMultiple Airlines
Deal found 9/15$683
This United Airlines deal was found by Cheapflights users on 9/15. 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.
dom. 9/2812:00 pmDCA - SOF
2 stops16h 15mUnited Airlines
jue. 10/98:00 amSOF - DCA
2 stops16h 47mUnited Airlines
Deal found 9/15$690

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 septiembre 17, 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

mié. 10/29

6:50 pm-6:00 pm

2 stops17h 10m

Sofia

lun. 11/17

2:20 pm-3:31 pm

2 stops32h 11m

$581

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

dom. 10/26

6:59 am-1:35 pm

2 stops24h 36m

Sofia

lun. 11/10

2:20 pm-3:31 pm

2 stops32h 11m

$581

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

jue. 11/6

6:00 am-6:00 pm

2 stops29h 00m

Sofia

jue. 11/20

6:00 am-3:31 pm

2 stops16h 31m

$605

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

vie. 11/7

6:00 am-1:35 pm

2 stops24h 35m

Sofia

vie. 11/21

6:10 am-7:45 pm

2 stops20h 35m

$612

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

jue. 12/4

10:15 pm-11:15 am

2 stops30h 00m

Sofia

lun. 12/8

5:25 pm-6:57 pm

2 stops32h 32m

$613

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

mié. 10/22

10:00 pm-1:30 pm

2 stops32h 30m

Sofia

lun. 11/3

5:25 pm-6:56 pm

2 stops32h 31m

$646

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

vie. 11/14

3:30 pm-1:15 pm

2 stops14h 45m

Sofia

vie. 11/28

6:10 am-3:31 pm

2 stops16h 21m

$660

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

sáb. 11/8

1:44 pm-1:00 pm

2 stops16h 16m

Sofia

sáb. 11/22

12:05 pm-11:56 pm

2 stops18h 51m

$663

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

mar. 9/30

9:40 am-10:05 am

2 stops17h 25m

Sofia

mié. 10/8

6:15 am-3:51 pm

2 stops16h 36m

$683

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

dom. 9/28

12:00 pm-11:15 am

2 stops16h 15m

Sofia

jue. 10/9

8:00 am-5:47 pm

2 stops16h 47m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 24 results
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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 septiembre 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Sofia as you normally would.

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 17h 10m. Air Canada provides one of the quickest options available for as low as $581. 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.

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

    $461 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and British Airways, with prices starting from $465 and $498, respectively.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sofia (average of $632). Flying from Washington, D.C. Reagan-National Airport to Sofia in June is currently the most expensive (average of $1,183). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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