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Washington, D.C.

$423+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — WAS
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
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 March 1, 2026.

This KLM deal was found by Cheapflights users on 2/26. 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 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 2/26$548
This KLM deal was found by Cheapflights users on 2/28. 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
Sat 4/256:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/28$550
This KLM deal was found by Cheapflights users on 3/1. 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.
Tue 3/177:00 am
SOF
-
IAD
1 stop16h 05m
Multiple Airlines
Tue 5/126:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 3/1$551
This KLM deal was found by Cheapflights users on 2/27. 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 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
KLM
Wed 4/156:10 pm
IAD
-
SOF
1 stop12h 50m
KLM
Deal found 2/27$554
This KLM deal was found by Cheapflights users on 2/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
SOF
-
IAD
1 stop16h 05m
KLM
Fri 3/207:05 pm
IAD
-
SOF
1 stop13h 00m
KLM
Deal found 2/27$555
This Air France deal was found by Cheapflights users on 2/28. 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.
Tue 4/217:00 am
SOF
-
IAD
1 stop16h 05m
Air France
Tue 4/286:15 pm
IAD
-
SOF
1 stop12h 45m
Air France
Deal found 2/28$556
This KLM deal was found by Cheapflights users on 2/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SOF
-
IAD
2 stops16h 52m
Multiple Airlines
Wed 4/226:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/26$558
This KLM deal was found by Cheapflights users on 2/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:00 am
SOF
-
IAD
1 stop15h 35m
Multiple Airlines
Tue 6/26:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/26$560
This KLM deal was found by Cheapflights users on 3/1. 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.
Wed 3/117:00 am
SOF
-
IAD
1 stop16h 05m
KLM
Wed 4/2212:45 pm
IAD
-
SOF
2 stops18h 15m
KLM
Deal found 3/1$561
This KLM deal was found by Cheapflights users on 3/1. 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.
Tue 3/317:00 am
SOF
-
IAD
1 stop15h 35m
Multiple Airlines
Tue 5/126:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 3/1$562
This KLM deal was found by Cheapflights users on 2/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
SOF
-
DCA
2 stops16h 36m
Multiple Airlines
Tue 4/281:40 pm
DCA
-
SOF
2 stops17h 20m
Multiple Airlines
Deal found 2/27$562
This KLM deal was found by Cheapflights users on 2/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SOF
-
DCA
2 stops16h 35m
KLM
Wed 4/2212:59 pm
DCA
-
SOF
2 stops18h 01m
KLM
Deal found 2/26$568

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 March 1, 2026.

Round-trip from

$548
(KLM)

One-way from

$423
(Expedia)

Popular in

January

Cheapest in

February

Average price

$677
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. 6% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 1, 2026.
Use the filters below to find and compare flights from Bulgaria to Washington, D.C. that are best for you.

Fly from

Fly to

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 4/22

6:15 pm-2:00 pm

1 stop12h 45m

$548

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-4:52 pm

2 stops16h 52m

Washington, D.C. Dulles Intl

Wed 4/15

6:10 pm-2:00 pm

1 stop12h 50m

$563

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Tue 4/21

7:00 am-4:36 pm

2 stops16h 36m

Washington, D.C. Reagan-National

Tue 4/28

1:40 pm-2:00 pm

2 stops17h 20m

$564

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 3/13

7:00 am-7:19 pm

2 stops18h 19m

Washington, D.C. Dulles Intl

Fri 3/20

7:05 pm-2:05 pm

1 stop13h 00m

$567

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Thu 4/9

7:00 am-4:35 pm

2 stops16h 35m

Washington, D.C. Reagan-National

Wed 4/22

12:59 pm-2:00 pm

2 stops18h 01m

$568

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/12

7:00 am-6:53 pm

2 stops18h 53m

Washington, D.C. Dulles Intl

Tue 6/2

6:15 pm-2:00 pm

1 stop12h 45m

$570

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/12

7:00 am-6:43 pm

2 stops18h 43m

Washington, D.C. Dulles Intl

Tue 6/2

1:32 pm-2:00 pm

2 stops17h 28m

$621

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 5/14

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

9:45 pm-2:00 pm

1 stop33h 15m

$649

SofiaBaltimore

SOF - BWI

SOFBWI

Sofia

Tue 4/21

7:00 am-4:49 pm

2 stops16h 49m

Baltimore/Washington

Tue 4/28

3:33 pm-2:00 pm

2 stops15h 27m

$656

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

12:55 pm-7:40 pm

2 stops37h 45m

Washington, D.C. Dulles Intl

Wed 4/22

9:00 am-6:05 pm

2 stops26h 05m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
...
6

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 March 1, 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
1,461 reviews

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,461 reviews
KLM
7.7
Good
1,461 reviews

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Austrian Airlines
7.6
Good
901 reviews
KLM
7.7
Good
1,461 reviews

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,372 reviews
KLM
7.7
Good
1,461 reviews

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.3
Good
4,240 reviews
KLM
7.7
Good
1,461 reviews

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,820 reviews
KLM
7.7
Good
1,461 reviews

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 $554, KLM can have you in Washington, D.C. from Bulgaria in 15h 35m. 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, Sofia - Washington, D.C. Reagan-National or Sofia - Baltimore/Washington 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
Arlington
Tysons
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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 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 March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$470Average$673FlexibilityNo cancel feeOn-time77%
KLMCheapest$474Average$552FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$593Average$664FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$612Average$756FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$648Average$710FlexibilityNo cancel feeOn-time77%

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