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Sofia

$261+ Cheap flights from District of Columbia 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOF
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Sofia

Cheapest flights from District of Columbia to Sofia
Explore the most affordable flight options available from District of Columbia to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This FlightHub deal was found by Cheapflights users on 2/2. 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 8/510:20 pm
IAD
-
SOF
1 stop17h 50m
Lufthansa
Wed 8/196:10 am
SOF
-
IAD
1 stop20h 15m
Lufthansa
Deal found 2/2$509
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:25 pm
IAD
-
SOF
1 stop23h 30m
Austrian Airlines
Mon 5/1812:25 pm
SOF
-
IAD
1 stop33h 10m
Austrian Airlines
Deal found 2/2$522
This FlightHub deal was found by Cheapflights users on 2/3. 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 9/810:20 pm
IAD
-
SOF
1 stop13h 20m
Lufthansa
Tue 9/226:10 am
SOF
-
IAD
1 stop20h 15m
Lufthansa
Deal found 2/3$526
This FlightHub deal was found by Cheapflights users on 2/3. 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 9/110:20 pm
IAD
-
SOF
1 stop13h 20m
Lufthansa
Tue 9/2212:55 pm
SOF
-
IAD
1 stop13h 30m
Lufthansa
Deal found 2/3$527
This Mytrip deal was found by Cheapflights users on 2/2. 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 8/59:45 am
IAD
-
SOF
2 stops20h 40m
Multiple Airlines
Wed 8/197:00 pm
SOF
-
IAD
1 stop25h 35m
Multiple Airlines
Deal found 2/2$528
This FlightHub deal was found by Cheapflights users on 2/3. 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 9/210:20 pm
IAD
-
SOF
1 stop13h 20m
Multiple Airlines
Thu 9/1711:05 am
SOF
-
IAD
1 stop12h 40m
Multiple Airlines
Deal found 2/3$532
This Justfly.com deal was found by Cheapflights users on 2/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:15 pm
IAD
-
SOF
1 stop34h 55m
Turkish Airlines
Tue 3/104:00 pm
SOF
-
IAD
1 stop26h 45m
Turkish Airlines
Deal found 2/2$535
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Sat 2/281:30 pm
IAD
-
SOF
1 stop18h 40m
Turkish Airlines
Tue 3/104:00 pm
SOF
-
IAD
1 stop34h 20m
Turkish Airlines
Deal found 2/2$537
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Thu 2/199:15 pm
IAD
-
SOF
1 stop34h 55m
Turkish Airlines
Tue 2/244:00 pm
SOF
-
IAD
1 stop34h 20m
Turkish Airlines
Deal found 2/3$541
This oojo deal was found by Cheapflights users on 2/2. 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 8/53:50 pm
DCA
-
SOF
2 stops38h 35m
British Airways
Wed 8/199:25 pm
SOF
-
DCA
2 stops30h 58m
British Airways
Deal found 2/2$550
This oojo deal was found by Cheapflights users on 2/3. 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 9/710:09 pm
DCA
-
SOF
2 stops39h 21m
British Airways
Mon 9/218:10 pm
SOF
-
DCA
2 stops33h 52m
British Airways
Deal found 2/3$555
This Air Canada deal was found by Cheapflights users on 2/3. 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 9/84:20 pm
DCA
-
SOF
2 stops19h 20m
Air Canada
Tue 9/2211:35 am
SOF
-
DCA
2 stops17h 15m
Air Canada
Deal found 2/3$556

Find flight deals from District of Columbia to Sofia

Keep the following information in mind while searching for District of Columbia to Sofia flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$522
(Kiwi.com)

One-way from

$261
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$791
Provider with most accurate pricing for Washington, D.C. (WAS)-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sofia flights.
Search Deals
From District of Columbia to Sofia
Search Deals
One-way flight from District of Columbia to Sofia
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 February 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Sofia that are best for you.

Fly from

District of Columbia

Fly to

Sofia

Route

Depart

Return

Price

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 3/1

1:30 pm-8:50 pm

1 stop24h 20m

Sofia

Fri 3/13

9:35 am-8:20 pm

1 stop16h 45m

$535

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 3/6

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Fri 3/20

9:35 am-12:45 pm

1 stop33h 10m

$535

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 2/26

1:30 pm-8:50 pm

1 stop24h 20m

Sofia

Thu 3/5

9:40 pm-11:45 am

1 stop21h 05m

$537

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 5/5

5:25 pm-12:10 pm

1 stop11h 45m

Sofia

Tue 5/19

6:10 am-8:37 pm

2 stops21h 27m

$552

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 3/28

8:00 pm-6:20 pm

2 stops40h 20m

Sofia

Mon 4/6

8:10 pm-7:46 am

2 stops42h 36m

$580

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/29

12:25 pm-7:20 pm

2 stops23h 55m

Sofia

Mon 4/6

8:10 pm-7:46 am

2 stops42h 36m

$580

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/1

7:00 pm-6:20 pm

2 stops16h 20m

Sofia

Tue 3/10

2:15 pm-8:55 am

2 stops24h 40m

$592

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 3/1

12:35 pm-1:55 pm

2 stops18h 20m

Sofia

Fri 3/13

7:00 am-7:19 pm

2 stops18h 19m

$593

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 3/5

9:15 pm-3:10 pm

1 stop34h 55m

Sofia

Mon 3/9

9:35 am-12:45 pm

1 stop33h 10m

$605

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 8/1

4:20 pm-11:00 am

2 stops35h 40m

Sofia

Mon 8/31

7:00 pm-3:38 pm

2 stops27h 38m

$607

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 23 results
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Best time to book a flight from District of Columbia to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from District of Columbia 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 District of Columbia to Sofia

What is the cheapest month to book a flight from District of Columbia to Sofia?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to Sofia (average of $531). Flying from District of Columbia to Sofia in June is currently the most expensive (average of $793). 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.

How much does it cost to fly round-trip from District of Columbia to Sofia?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from District of Columbia. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • How long is the flight from District of Columbia to Sofia?

    For as low as $552, Turkish Airlines can have you in Sofia from District of Columbia in 11h 45m. The distance between District of Columbia and Sofia is about 4931 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from District of Columbia to Sofia that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Sofia?

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

  • Can I find deals for business class flights from District of Columbia to Sofia?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Sofia?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Sofia (average of $531). Flying from District of Columbia to Sofia in June is currently the most expensive (average of $793). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from District of Columbia to Sofia

Discover the top 5 airlines that operate flights from District of Columbia to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$530Average$711FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$660Average$858FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$666Average$894FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$866Average$1,131FlexibilityNo cancel feeOn-time78%
ITA AirwaysCheapest$1,062Average$1,288FlexibilityNo cancel feeOn-time81%

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