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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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SOF
May 24 — May 311
Sat 5/24
Sat 5/31
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 May 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$809
(Air Canada)

One-way from

$448
(ITA Airways)

Popular in

June

Cheapest in

November

Average price

$861
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. 18% potential increase in price ($192 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 19, 2025.

This Air Canada deal was found by Cheapflights users on 5/18. 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 7/164:30 pmDCA - SOF
2 stops19h 10mAir Canada
Fri 7/256:00 amSOF - DCA
2 stops46h 48mAir Canada
Deal found 5/18$809
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/291:00 pmDCA - SOF
2 stops15h 15mUnited Airlines
Fri 8/228:00 amSOF - DCA
2 stops18h 26mUnited Airlines
Deal found 5/18$821
This Gotogate deal was found by Cheapflights users on 5/19. 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.
Tue 6/1011:00 amDCA - SOF
2 stops17h 15mMultiple Airlines
Mon 6/236:55 pmSOF - DCA
2 stops33h 53mMultiple Airlines
Deal found 5/19$842
This British Airways deal was found by Cheapflights users on 5/18. 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.
Tue 6/107:00 pmDCA - SOF
2 stops18h 40mBritish Airways
Fri 8/82:20 pmSOF - DCA
2 stops26h 47mBritish Airways
Deal found 5/18$914
This Gurufare deal was found by Cheapflights users on 5/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/14:56 pmDCA - SOF
2 stops41h 14mITA Airways
Sun 8/246:00 pmSOF - DCA
2 stops31h 12mITA Airways
Deal found 5/18$1,134
This LOT deal was found by Cheapflights users on 5/18. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:30 amDCA - SOF
2 stops36h 30mLOT
Tue 8/126:40 pmSOF - DCA
2 stops35h 19mLOT
Deal found 5/18$1,140

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 May 19, 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 7/16

4:30 pm-6:40 pm

2 stops19h 10m

Sofia

Fri 7/25

6:00 am-9:48 pm

2 stops46h 48m

$809

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 6/29

1:00 pm-11:15 am

2 stops15h 15m

Sofia

Wed 8/20

8:00 am-5:42 pm

2 stops16h 42m

$821

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 6/10

11:00 am-11:15 am

2 stops17h 15m

Sofia

Mon 6/23

6:55 pm-9:48 pm

2 stops33h 53m

$842

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 6/10

7:00 pm-8:40 pm

2 stops18h 40m

Sofia

Fri 8/8

2:20 pm-10:07 am

2 stops26h 47m

$914

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 8/1

4:56 pm-5:10 pm

2 stops41h 14m

Sofia

Sun 8/24

6:00 pm-6:12 pm

2 stops31h 12m

$1,134

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 6/18

6:30 am-2:00 am

2 stops36h 30m

Sofia

Tue 8/12

6:40 pm-10:59 pm

2 stops35h 19m

$1,140

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 7/22

6:05 am-12:05 pm

2 stops23h 00m

$448

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 8/22

6:00 am-10:05 am

2 stops21h 05m

$487

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 7/7

1:00 pm-12:00 pm

2 stops16h 00m

$549

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 7/6

6:00 am-6:40 pm

2 stops29h 40m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

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 May.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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 May 19, 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.

Rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sofia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sofia when rainfall is around 1.2 in.

Temperature in Sofia by month

Plan your trip to Sofia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated May 19, 2025.
Peruse reviews from past customers who have flown with LOT, United Airlines and Air Canada from Washington, D.C. to Sofia to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,071 reviews

Overall

7.6

Comfort

7.5

Crew

8.2

Food

7.2

Boarding

7.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,071 reviews
LOT
7.6
Good
1,071 reviews

Overall

7.6

Comfort

7.5

Crew

8.2

Food

7.2

Boarding

7.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
United Airlines
7.4
Good
8,743 reviews
LOT
7.6
Good
1,071 reviews

Overall

7.6

Comfort

7.5

Crew

8.2

Food

7.2

Boarding

7.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Air Canada
7.0
Good
9,366 reviews
LOT
7.6
Good
1,071 reviews

Overall

7.6

Comfort

7.5

Crew

8.2

Food

7.2

Boarding

7.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
ITA Airways
6.7
Okay
975 reviews
LOT
7.6
Good
1,071 reviews

Overall

7.6

Comfort

7.5

Crew

8.2

Food

7.2

Boarding

7.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
British Airways
6.6
Okay
6,909 reviews
LOT
7.6
Good
1,071 reviews

Overall

7.6

Comfort

7.5

Crew

8.2

Food

7.2

Boarding

7.6

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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.

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

    $448 is the cheapest one-way deal found within the past few days, from ITA Airways. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $549 and $550, 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 $1,208). 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.

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