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Washington, D.C.

$428+ Cheap flights from Bulgaria to Washington, D.C. (WAS)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — WAS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Bulgaria to Washington, D.C.

Cheapest flights from Bulgaria to Washington, D.C.
Explore the most affordable flight options available from Bulgaria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SOF
-
IAD
1 stop15h 35m
Multiple Airlines
Wed 4/156:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/3$468
This KLM deal was found by Cheapflights users on 2/1. 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.
Sun 2/87:00 am
SOF
-
IAD
1 stop16h 05m
Multiple Airlines
Sat 2/216:50 pm
IAD
-
SOF
1 stop12h 05m
Multiple Airlines
Deal found 2/1$472
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
SOF
-
IAD
1 stop16h 05m
KLM
Thu 3/56:05 pm
IAD
-
SOF
1 stop13h 00m
KLM
Deal found 2/3$475
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
SOF
-
IAD
1 stop16h 05m
Multiple Airlines
Tue 3/101:19 pm
IAD
-
SOF
2 stops18h 36m
Multiple Airlines
Deal found 2/2$477
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:00 am
SOF
-
IAD
1 stop16h 05m
KLM
Sun 3/81:19 pm
IAD
-
SOF
2 stops18h 46m
KLM
Deal found 2/3$479
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
-
IAD
1 stop16h 35m
Multiple Airlines
Thu 2/266:05 pm
IAD
-
SOF
1 stop13h 00m
Multiple Airlines
Deal found 2/3$481
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
-
IAD
2 stops19h 09m
KLM
Thu 2/266:05 pm
IAD
-
SOF
1 stop13h 00m
KLM
Deal found 2/3$485
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SOF
-
IAD
1 stop19h 35m
Air France
Sat 5/309:45 pm
IAD
-
SOF
1 stop33h 15m
Air France
Deal found 2/3$488
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SOF
-
IAD
2 stops16h 25m
Multiple Airlines
Sat 5/309:45 pm
IAD
-
SOF
1 stop33h 15m
Multiple Airlines
Deal found 2/3$491
This KLM deal was found by Cheapflights users on 2/1. 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.
Sun 2/87:00 am
SOF
-
DCA
2 stops17h 53m
KLM
Sat 2/213:10 pm
DCA
-
SOF
2 stops15h 55m
KLM
Deal found 2/1$493
This Air France deal was found by Cheapflights users on 2/1. 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.
Mon 6/88:30 am
VAR
-
IAD
1 stop14h 35m
Air France
Wed 7/112:30 pm
IAD
-
VAR
2 stops20h 00m
Air France
Deal found 2/1$707
This Lufthansa deal was found by Cheapflights users on 2/1. 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.
Mon 4/68:35 pm
VAR
-
IAD
1 stop25h 00m
Multiple Airlines
Tue 4/2810:20 pm
IAD
-
VAR
1 stop15h 25m
Multiple Airlines
Deal found 2/1$708

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

Keep the following information in mind while searching for Bulgaria to Washington, D.C. flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$468
(KLM)

One-way from

$428
(Orbitz)

Popular in

January

Cheapest in

February

Average price

$479
Provider with most accurate pricing for Sofia-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Washington, D.C. (WAS) flights.
Search Deals
From Bulgaria to Washington, D.C. (WAS)
Search Deals
One-way flight from Bulgaria to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 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 Bulgaria 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 3, 2026.
Use the filters below to find and compare flights from Bulgaria to Washington, D.C. that are best for you.

Fly from

Bulgaria

Fly to

Washington, D.C.

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:15 pm-2:00 pm

1 stop12h 45m

$468

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 3/3

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/10

7:50 pm-1:55 pm

1 stop12h 05m

$472

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 2/28

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 3/8

7:05 pm-2:05 pm

1 stop13h 00m

$475

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/18

7:00 am-4:35 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Thu 2/26

6:05 pm-2:05 pm

1 stop13h 00m

$481

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-6:37 pm

2 stops18h 37m

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-2:05 pm

1 stop13h 00m

$485

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/18

7:00 am-7:09 pm

2 stops19h 09m

Washington, D.C. Dulles Intl

Thu 2/26

6:05 pm-2:05 pm

1 stop13h 00m

$485

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 5/14

7:00 am-7:35 pm

1 stop19h 35m

Washington, D.C. Dulles Intl

Sat 5/30

9:45 pm-2:00 pm

1 stop33h 15m

$488

VarnaWashington, D.C.

VAR - IAD

VARIAD

Varna

Mon 4/6

8:35 pm-2:35 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Tue 4/28

10:20 pm-8:45 pm

1 stop15h 25m

$708

VarnaWashington, D.C.

VAR - IAD

VARIAD

Varna

Tue 4/7

4:00 pm-2:35 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

Tue 4/28

5:25 pm-3:15 pm

1 stop14h 50m

$712

VarnaWashington, D.C.

VAR - IAD

VARIAD

Varna

Mon 4/6

4:00 pm-2:35 pm

1 stop29h 35m

Washington, D.C. Dulles Intl

Mon 4/27

5:25 pm-3:15 pm

1 stop14h 50m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 31 results
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Best time to book a flight from Bulgaria to Washington, D.C.

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

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

Currently, February is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. (average of $482). Flying from Bulgaria to Washington, D.C. in November is currently the most expensive (average of $677). 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.

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 3, 2026.
See what other customers who have flown with KLM, Austrian Airlines, and United Airlines from Bulgaria to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,448 reviews

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,448 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Austrian Airlines
7.5
Good
896 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,234 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,209 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,758 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria 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.

  • How long is the flight from Bulgaria to Washington, D.C.?

    For as low as $475, KLM can have you in Washington, D.C. from Bulgaria in 16h 05m. Bulgaria and Washington, D.C. are separated by a distance of 4931 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    When deciding which route to take from Bulgaria to Washington, D.C. consider Sofia - Washington, D.C. Dulles Intl, Varna - Washington, D.C. Dulles Intl or Sofia - Washington, D.C. Reagan-National as they are the most popular.

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. (average of $482). Flying from Bulgaria to Washington, D.C. in November is currently the most expensive (average of $677). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bulgaria to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Dulles Intl flights
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Frankfurt to Reagan-National flights
Bruxelles-National to Dulles Intl flights
Heathrow to Reagan-National flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Orly to Dulles Intl flights
Vienna to Dulles Intl flights
Gatwick to Dulles Intl flights
Munich to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Frederic Chopin to Dulles Intl flights
Istanbul to Dulles Intl flights
Madrid to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
London City to Dulles Intl flights
Stansted to Dulles Intl flights
Amsterdam to Dulles Intl flights
Vienna to Reagan-National flights
Zurich to Dulles Intl flights
Gatwick to Reagan-National flights
Dublin to Dulles Intl flights
Luton to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Bruxelles-National to Reagan-National flights
Berlin to Dulles Intl flights
Vicenza to Dulles Intl flights
Istanbul to Reagan-National flights
Barcelona-El Prat to Reagan-National flights
Berlin to Reagan-National flights
Madrid to Reagan-National flights
Geneva to Dulles Intl flights
Athens to Dulles Intl flights
Manchester to Dulles Intl flights
Sabiha Gokcen to Dulles Intl flights
Munich to Reagan-National flights
Athens to Reagan-National flights
Malpensa to Dulles Intl flights
Lisbon to Dulles Intl flights
Dublin to Reagan-National flights
Copenhagen to Dulles Intl flights
Charleroi Brussels to Dulles Intl flights
Amsterdam to Reagan-National flights
Zurich to Reagan-National flights

Top 5 airlines flying from Bulgaria to Washington, D.C.

Discover the top 5 airlines that operate flights from Bulgaria 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 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$470Average$673FlexibilityNo cancel feeOn-time77%
KLMCheapest$520Average$552FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$588Average$664FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$595Average$751FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$625Average$702FlexibilityNo cancel feeOn-time77%

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