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$550+ Cheap flights from Washington, D.C. (WAS) 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SOF
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Washington, D.C. to Sofia are usually found in November or January, booked 6 days in advance, depart on a Wednesday or Sunday and return on a Monday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$588
(oojo)

Popular in

June

Cheapest in

November

Average price

$656
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 Washington, D.C. (WAS) to Sofia
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($245 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

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

Cheapest flights from Washington, D.C. to Sofia
Explore the most affordable flight options available from Washington, D.C. to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This oojo deal was found by Cheapflights users on 1/21. 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.
Tue 2/112:00 pmIAD - SOF
1 stop18h 05mTurkish Airlines
Tue 2/259:40 pmSOF - IAD
1 stop28h 50mTurkish Airlines
Deal found 1/21$588
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/173:55 pmIAD - SOF
2 stops15h 40mAir Canada
Wed 4/26:15 amSOF - IAD
2 stops35h 59mAir Canada
Deal found 1/20$590
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:00 pmIAD - SOF
1 stop16h 10mBritish Airways
Wed 4/29:30 pmSOF - IAD
1 stop25h 20mBritish Airways
Deal found 1/20$592
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/97:00 pmIAD - SOF
1 stop15h 20mAmerican Airlines
Tue 3/256:05 pmSOF - IAD
1 stop28h 30mAmerican Airlines
Deal found 1/21$597
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/96:10 pmBWI - SOF
2 stops16h 10mAmerican Airlines
Tue 3/256:05 pmSOF - BWI
1 stop31h 40mAmerican Airlines
Deal found 1/21$602
This Air Canada deal was found by Cheapflights users on 1/21. 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 3/194:10 pmDCA - SOF
2 stops14h 50mAir Canada
Wed 3/266:00 amSOF - DCA
2 stops21h 00mAir Canada
Deal found 1/21$602
This United deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/911:20 pmIAD - SOF
1 stop12h 50mMultiple Airlines
Tue 3/256:00 amSOF - IAD
2 stops35h 31mMultiple Airlines
Deal found 1/21$602
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/116:25 pmIAD - SOF
2 stops16h 45mUnited Airlines
Tue 2/256:00 amSOF - IAD
2 stops16h 13mUnited Airlines
Deal found 1/21$603
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Sun 3/99:30 pmBWI - SOF
1 stop12h 50mBritish Airways
Tue 3/256:05 pmSOF - BWI
1 stop31h 40mBritish Airways
Deal found 1/20$608
This United deal was found by Cheapflights users on 1/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:00 pmDCA - SOF
2 stops15h 25mMultiple Airlines
Thu 3/136:10 amSOF - DCA
2 stops20h 50mMultiple Airlines
Deal found 1/21$608
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/93:55 pmDCA - SOF
2 stops18h 25mAmerican Airlines
Tue 3/256:05 pmSOF - DCA
2 stops28h 24mAmerican Airlines
Deal found 1/21$612
This British Airways deal was found by Cheapflights users on 1/21. 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 2/1112:59 pmDCA - SOF
2 stops18h 11mBritish Airways
Tue 2/256:05 pmSOF - DCA
2 stops32h 10mBritish Airways
Deal found 1/21$614

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

Customize your flight search to find flights from Washington, D.C. 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 2/11

2:00 pm-3:05 pm

1 stop18h 05m

Sofia

Tue 2/25

9:40 pm-7:30 pm

1 stop28h 50m

$588

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 3/17

3:55 pm-1:35 pm

2 stops15h 40m

Sofia

Wed 4/2

6:15 am-11:14 am

2 stops35h 59m

$590

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 3/17

7:00 pm-5:10 pm

1 stop16h 10m

Sofia

Wed 4/2

9:30 pm-3:50 pm

1 stop25h 20m

$592

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 3/9

7:00 pm-4:20 pm

1 stop15h 20m

Sofia

Tue 3/25

6:05 pm-4:35 pm

1 stop28h 30m

$597

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 3/9

11:20 pm-6:10 pm

1 stop12h 50m

Sofia

Tue 3/25

6:00 am-11:31 am

2 stops35h 31m

$602

BaltimoreSofia

BWI - SOF

BWISOF

Baltimore/Washington

Sun 3/9

6:10 pm-4:20 pm

2 stops16h 10m

Sofia

Tue 3/25

6:05 pm-7:45 pm

1 stop31h 40m

$602

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 3/19

4:10 pm-1:00 pm

2 stops14h 50m

Sofia

Wed 3/26

6:00 am-9:00 pm

2 stops21h 00m

$602

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 2/11

6:25 pm-6:10 pm

2 stops16h 45m

Sofia

Tue 2/25

6:00 am-3:13 pm

2 stops16h 13m

$603

BaltimoreSofia

BWI - SOF

BWISOF

Baltimore/Washington

Sun 3/9

9:30 pm-4:20 pm

1 stop12h 50m

Sofia

Tue 3/25

6:05 pm-7:45 pm

1 stop31h 40m

$608

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/4

3:00 pm-1:25 pm

2 stops15h 25m

Sofia

Thu 3/13

6:10 am-9:00 pm

2 stops20h 50m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 41 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Sofia in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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.-Sofia flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Sofia flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Sofia flights, Cheapflights users trust AranGrant the most. AranGrant 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.-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 Washington, D.C. to Sofia

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Sofia. Price data was last updated on January 17, 2025.

Booking 6 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sofia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Sofia (average of $632). Flying from Washington, D.C. to Sofia in June is currently the most expensive (average of $1,243). 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 WAS to SOF?

Find hourly flight availability from Washington, D.C. 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 January 21, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Sofia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 41% on airfare.

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 January 21, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Sofia, such as Air Canada, United Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,341 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

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.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

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.

LOT
7.6
Good
1,117 reviews
KLM
7.8
Good
1,341 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

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.

Austrian Airlines
7.6
Good
786 reviews
KLM
7.8
Good
1,341 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

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.

SWISS
7.5
Good
1,600 reviews
KLM
7.8
Good
1,341 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

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.

Air France
7.4
Good
1,490 reviews
KLM
7.8
Good
1,341 reviews

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

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 Washington, D.C. 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.?

    If you book a flight to Sofia from Washington, D.C., you will be flying to 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 Washington, D.C. to Sofia per day from 7 different airlines.

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

    Turkish Airlines, at $588, was found to be the cheapest airline from Washington, D.C. to Sofia.Alternate airlines to your destination round-trip include Air Canada and British Airways. Turkish Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for ITA Airways. According to our data, you can fly for as low as $641. Users have also found prices from $744 and $758 on Lufthansa and Air Canada, respectively.

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

    Most travelers choose Washington, D.C. Dulles Intl - Sofia, Washington, D.C. Reagan-National - Sofia or Baltimore/Washington - Sofia when deciding on the best route from Washington, D.C. to Sofia.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Sofia (average of $632). Flying from Washington, D.C. to Sofia in June is currently the most expensive (average of $1,243). 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

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Alternative routes for Washington, D.C. to Sofia

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sofia flights
Reagan-National to Sofia flights

Top 7 airlines flying from Washington, D.C. to Sofia

Discover the top 7 airlines that operate flights from Washington, D.C. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$552Average$736FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$597Average$952FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$620Average$827FlexibilityNo cancel feeOn-time70%
SWISSCheapest$635Average$1,109FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$708Average$1,033FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$709Average$1,182FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$715Average$1,094FlexibilityNo cancel feeOn-time76%
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