Washington, D.C.

$571+ Cheap flights from Sofia (SOF) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — WAS
Feb 25 — Mar 41
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The best prices from Sofia to Washington, D.C. are usually found in February or October, booked 90 days in advance, depart on a Monday or Thursday and return on a Wednesday

Cheap flight deals from Sofia to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Sofia (SOF) to Washington, D.C. (WAS). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$571
(United Airlines)

Popular in

August

Cheapest in

February

Average price

$623
Provider with most accurate pricing for Sofia-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Sofia-Washington, D.C. (WAS) flights.
From Sofia to Washington, D.C. (WAS)
Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Sofia to Washington, D.C.

Cheapest flights from Sofia to Washington, D.C.
Explore the most affordable flight options available from Sofia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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 5/136:20 amSOF - IAD
2 stops21h 48mUnited Airlines
Fri 8/2910:20 pmIAD - SOF
1 stop13h 20mUnited Airlines
Deal found 2/20$571
This Air France deal was found by Cheapflights users on 2/20. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:10 amSOF - IAD
1 stop16h 25mAir France
Tue 3/117:30 pmIAD - SOF
1 stop12h 25mAir France
Deal found 2/20$597
This Travelocity deal was found by Cheapflights users on 2/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:25 pmSOF - IAD
1 stop31h 00mLufthansa
Fri 9/1210:20 pmIAD - SOF
1 stop13h 20mLufthansa
Deal found 2/19$605
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Mon 5/126:15 amSOF - IAD
2 stops37h 59mAir Canada
Sun 8/319:55 amIAD - SOF
2 stops20h 10mAir Canada
Deal found 2/20$606
This KLM deal was found by Cheapflights users on 2/20. 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.
Thu 8/287:00 amSOF - IAD
1 stop15h 35mKLM
Thu 9/115:25 pmIAD - SOF
1 stop13h 35mKLM
Deal found 2/20$610
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:55 pmSOF - IAD
2 stops27h 30mMultiple Airlines
Thu 9/118:45 pmIAD - SOF
1 stop30h 20mMultiple Airlines
Deal found 2/20$616
This Austrian Airlines deal was found by Cheapflights users on 2/20. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:55 pmSOF - IAD
1 stop26h 40mAustrian Airlines
Sat 8/306:35 pmIAD - SOF
2 stops16h 35mAustrian Airlines
Deal found 2/20$619
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 2/278:00 amSOF - DCA
2 stops18h 31mUnited Airlines
Mon 3/103:00 pmDCA - SOF
2 stops16h 00mUnited Airlines
Deal found 2/20$656
This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:45 pmSOF - IAD
2 stops34h 30mSWISS
Fri 8/298:45 pmIAD - SOF
2 stops32h 15mSWISS
Deal found 2/20$700
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 2/277:40 pmSOF - BWI
2 stops28h 20mMultiple Airlines
Tue 3/117:10 pmBWI - SOF
2 stops15h 20mMultiple Airlines
Deal found 2/20$730
This KLM deal was found by Cheapflights users on 2/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:00 amSOF - DCA
2 stops16h 29mKLM
Wed 9/103:30 pmDCA - SOF
2 stops15h 30mKLM
Deal found 2/19$739
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:00 amSOF - DCA
2 stops19h 02mAir Canada
Thu 9/1111:00 amDCA - SOF
2 stops17h 15mAir Canada
Deal found 2/19$769

Find flights from Sofia to Washington, D.C. within your budget

Customize your flight search to find flights from Sofia to Washington, D.C. 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 20, 2025.

Fly from

Sofia

Fly to

Washington, D.C.

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/13

6:20 am-9:08 pm

2 stops21h 48m

Washington, D.C. Dulles Intl

Fri 8/29

10:20 pm-6:40 pm

1 stop13h 20m

$571

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 5/12

6:15 am-1:14 pm

2 stops37h 59m

Washington, D.C. Dulles Intl

Sun 8/31

9:55 am-1:05 pm

2 stops20h 10m

$606

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/13

6:55 pm-2:35 pm

1 stop26h 40m

Washington, D.C. Dulles Intl

Sat 8/30

6:35 pm-6:10 pm

2 stops16h 35m

$619

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/13

6:20 am-9:08 pm

2 stops21h 48m

Washington, D.C. Dulles Intl

Fri 8/29

6:10 pm-6:40 pm

2 stops17h 30m

$627

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/13

12:45 pm-4:15 pm

2 stops34h 30m

Washington, D.C. Dulles Intl

Fri 8/29

8:45 pm-12:00 pm

2 stops32h 15m

$700

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Thu 8/7

6:15 am-6:02 pm

2 stops18h 47m

Washington, D.C. Reagan-National

Thu 8/21

1:00 pm-12:00 pm

2 stops16h 00m

$720

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/13

10:05 am-7:20 pm

2 stops16h 15m

Washington, D.C. Dulles Intl

Sat 8/30

6:30 pm-3:35 pm

2 stops14h 05m

$768

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 3/27

1:45 pm-9:05 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Fri 4/11

10:05 pm-10:50 pm

2 stops41h 45m

$769

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Tue 5/13

6:40 pm-10:59 pm

2 stops35h 19m

Washington, D.C. Reagan-National

Fri 8/29

6:59 am-5:55 pm

2 stops27h 56m

$771

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 5/12

7:00 am-4:29 pm

2 stops16h 29m

Washington, D.C. Dulles Intl

Fri 8/29

5:25 pm-2:00 pm

1 stop13h 35m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Sofia-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sofia-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sofia-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sofia-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub 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 Sofia-Washington, D.C. 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 Sofia to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Sofia 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.

Travel insights for flights from Sofia to Washington, D.C.

Get recent, data-driven insights about flights from Sofia to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Sofia to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Sofia to Washington, D.C.. Price data was last updated on February 14, 2025.

The best time to book flights from Sofia to Washington, D.C. is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sofia to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Sofia to Washington, D.C. (average of $309). Flying from Sofia to Washington, D.C. in June is currently the most expensive (average of $389). 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 SOF to WAS?

Find hourly flight availability from Sofia to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Sofia to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 10% versus a flight in the morning.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with KLM, LOT and Austrian Airlines from Sofia to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Food

7.3

Crew

8.4

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Sofia to Washington, D.C.. 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 from for flights from Sofia to Washington, D.C.?

    If you book a flight to Washington, D.C. from Sofia, you will be flying from Sofia, which is the city’s only airport. Sofia (SOF) is located 4.2 mi from the center of Sofia. There are 0 flights from Sofia to Washington, D.C. per day from 4 different airlines.

  • What are the cheapest airlines flying from Sofia to Washington, D.C. round-trip?

    United Airlines, at $571, was found to be the cheapest airline from Sofia to Washington, D.C..Alternate airlines to your destination round-trip include Air Canada and Austrian Airlines. These flights start at 21% lower than the current average price 3 months from now.

  • What are the most popular routes from Sofia to Washington, D.C.?

  • Can I find deals for flights from Sofia to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Sofia to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sofia to Washington, D.C.?

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

  • Can I find deals for business class flights from Sofia to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Sofia to Washington, D.C. 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 Sofia to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Sofia to Washington, D.C. (average of $309). Flying from Sofia to Washington, D.C. in June is currently the most expensive (average of $389). 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

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill
Gettysburg

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sofia to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Sofia to Washington, D.C.

Discover the top 4 airlines that operate flights from Sofia to Washington, D.C.. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$498Average$620FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$572Average$620FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$572Average$807FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$619Average$648FlexibilityNo cancel feeOn-time77%
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