Sofia

$327+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOF
Nov 26 — Dec 31
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(Kiwi.com)

One-way from

$327
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$747
Provider with most accurate pricing for Washington, D.C. (WAS)-Sofia flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sofia flights.
From District of Columbia to Sofia
One-way flight from District of Columbia to Sofia
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find 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 October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/2310:55 pmIAD - SOF
1 stop12h 25mLufthansa
Sat 12/62:00 pmSOF - IAD
1 stop13h 05mLufthansa
Deal found 10/25$488
This FlightHub deal was found by Cheapflights users on 10/26. 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 11/51:30 pmIAD - SOF
1 stop24h 20mTurkish Airlines
Sun 11/239:35 amSOF - IAD
1 stop33h 10mTurkish Airlines
Deal found 10/26$503
This Mytrip deal was found by Cheapflights users on 10/25. 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 11/239:45 amIAD - SOF
2 stops25h 35mMultiple Airlines
Sat 12/66:25 amSOF - IAD
1 stop16h 25mMultiple Airlines
Deal found 10/25$504
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/2910:55 pmIAD - SOF
2 stops16h 50mLufthansa
Sat 1/107:05 pmSOF - IAD
1 stop32h 00mLufthansa
Deal found 10/26$505
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Fri 11/71:30 pmIAD - SOF
1 stop18h 40mTurkish Airlines
Sun 11/234:00 pmSOF - IAD
1 stop34h 20mTurkish Airlines
Deal found 10/27$512
This FlightHub deal was found by Cheapflights users on 10/26. 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 11/261:30 pmIAD - SOF
1 stop24h 20mTurkish Airlines
Wed 1/144:00 pmSOF - IAD
1 stop34h 20mTurkish Airlines
Deal found 10/26$521
This FlightHub deal was found by Cheapflights users on 10/26. 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 12/2710:55 pmIAD - SOF
1 stop16h 50mLufthansa
Sat 1/107:05 pmSOF - IAD
1 stop32h 00mLufthansa
Deal found 10/26$525
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/95:40 pmIAD - SOF
1 stop12h 35mUnited Airlines
Tue 12/166:00 amSOF - IAD
1 stop16h 50mUnited Airlines
Deal found 10/26$527
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 12/2710:55 pmIAD - SOF
1 stop16h 50mUnited Airlines
Mon 1/126:10 amSOF - IAD
1 stop16h 40mUnited Airlines
Deal found 10/26$528
This Lufthansa deal was found by Cheapflights users on 10/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:55 pmIAD - SOF
1 stop16h 50mLufthansa
Sun 1/112:00 pmSOF - IAD
1 stop13h 05mLufthansa
Deal found 10/26$531
This FlightHub deal was found by Cheapflights users on 10/25. 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 12/16:00 amDCA - SOF
2 stops24h 15mAir Canada
Wed 12/106:10 amSOF - DCA
2 stops23h 25mAir Canada
Deal found 10/25$534
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/93:30 pmDCA - SOF
2 stops14h 45mMultiple Airlines
Tue 12/166:00 amSOF - DCA
2 stops17h 56mMultiple Airlines
Deal found 10/26$542

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 October 27, 2025.
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

Mon 1/26

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Mon 2/9

9:35 am-11:45 am

1 stop33h 10m

$512

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 12/30

5:40 pm-1:15 pm

1 stop12h 35m

Sofia

Tue 1/13

6:00 am-2:35 pm

1 stop15h 35m

$527

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 12/27

10:55 pm-10:45 pm

1 stop16h 50m

Sofia

Tue 1/13

6:00 am-2:35 pm

1 stop15h 35m

$527

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 12/9

5:40 pm-1:15 pm

1 stop12h 35m

Sofia

Tue 12/16

6:00 am-3:50 pm

1 stop16h 50m

$527

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 2/25

9:45 am-6:20 pm

2 stops25h 35m

Sofia

Wed 3/11

6:10 am-4:50 pm

1 stop16h 40m

$528

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 12/29

5:40 pm-1:15 pm

1 stop12h 35m

Sofia

Mon 1/12

6:10 am-3:50 pm

1 stop16h 40m

$528

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 1/26

11:05 am-1:15 pm

2 stops19h 10m

Sofia

Mon 2/9

1:45 pm-9:56 pm

2 stops15h 11m

$532

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 1/24

4:10 pm-1:15 pm

2 stops14h 05m

Sofia

Sat 2/7

6:05 am-9:56 pm

2 stops22h 51m

$532

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 1/23

8:30 pm-6:20 pm

2 stops14h 50m

Sofia

Fri 2/6

6:10 am-8:29 pm

2 stops21h 19m

$533

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 1/29

5:20 pm-10:45 pm

2 stops22h 25m

Sofia

Mon 2/2

6:10 am-2:35 pm

1 stop15h 25m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 39 results
1
2
3
4

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, November is the cheapest month in which you can book a flight from District of Columbia to Sofia (average of $536). Flying from District of Columbia to Sofia in June is currently the most expensive (average of $831). 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.

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

Find hourly flight availability from District of Columbia 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 October 27, 2025.

One of the essential ways to save on airfare from District of Columbia to Sofia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.

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 $527, Turkish Airlines can have you in Sofia from District of Columbia in 12h 35m. 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, November is the cheapest month in which you can book a flight from District of Columbia to Sofia (average of $536). Flying from District of Columbia to Sofia in June is currently the most expensive (average of $831). 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 6 airlines flying from District of Columbia to Sofia

Discover the top 6 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$545Average$681FlexibilityNo cancel feeOn-time77%
SWISSCheapest$552Average$993FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$679Average$844FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$691Average$960FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$731Average$1,191FlexibilityNo cancel feeOn-time78%
ITA AirwaysCheapest$951Average$1,159FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.