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Dulles Intl

$346+ Cheap flights from Bulgaria to Dulles Intl (IAD)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Bulgaria to Dulles Intl

Cheapest flights from Bulgaria to Dulles Intl
Explore the most affordable flight options available from Bulgaria to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KLM deal was found by Cheapflights users on 10/29. 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 11/117:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Thu 12/116:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 10/29$553
This KLM deal was found by Cheapflights users on 10/30. 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 11/87:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Mon 11/246:50 pmIAD - SOF
1 stop12h 15mMultiple Airlines
Deal found 10/30$554
This Air France deal was found by Cheapflights users on 10/30. 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 11/247:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Thu 12/119:25 pmIAD - SOF
1 stop33h 30mMultiple Airlines
Deal found 10/30$555
This KLM deal was found by Cheapflights users on 10/30. 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 11/227:00 amSOF - IAD
2 stops19h 08mMultiple Airlines
Sat 2/286:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 10/30$564
This FlightHub deal was found by Cheapflights users on 10/30. 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 12/14:00 pmSOF - IAD
1 stop26h 45mTurkish Airlines
Fri 1/239:15 pmIAD - SOF
1 stop16h 35mTurkish Airlines
Deal found 10/30$635
This Air France deal was found by Cheapflights users on 10/29. 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 12/227:00 amSOF - IAD
1 stop19h 15mAir France
Thu 1/156:50 pmIAD - SOF
1 stop12h 05mAir France
Deal found 10/29$646
This Air France deal was found by Cheapflights users on 10/30. 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 11/37:00 amSOF - IAD
1 stop16h 35mMultiple Airlines
Tue 3/315:50 pmIAD - SOF
1 stop13h 10mMultiple Airlines
Deal found 10/30$647

Cheap flight deals from Bulgaria to Dulles Intl

Keep the following information in mind while searching for Bulgaria to Dulles Intl flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$553
(KLM)

One-way from

$346
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$706
Provider with most accurate pricing for Sofia-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Sofia-Washington, D.C. (WAS) flights.
Search Deals
From Bulgaria to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Bulgaria to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bulgaria to Dulles Intl 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 30, 2025.
Use the filters below to find and compare flights from Bulgaria to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bulgaria

Fly to

Dulles Intl

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 12/5

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 1/23

6:50 pm-1:55 pm

1 stop12h 05m

$553

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 11/11

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 12/11

6:50 pm-1:55 pm

1 stop12h 05m

$553

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 11/22

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sat 2/28

6:50 pm-1:55 pm

1 stop12h 05m

$554

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 11/24

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 12/11

9:25 pm-1:55 pm

1 stop33h 30m

$555

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 12/5

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Fri 1/23

2:15 pm-2:05 pm

2 stops16h 50m

$563

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 12/1

4:00 pm-11:45 am

1 stop26h 45m

Washington, D.C. Dulles Intl

Fri 1/23

9:15 pm-8:50 pm

1 stop16h 35m

$635

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 3/26

7:00 am-11:02 pm

2 stops22h 02m

Washington, D.C. Dulles Intl

Sun 3/29

5:50 pm-2:00 pm

1 stop13h 10m

$648

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 3/30

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sun 8/2

5:50 pm-2:00 pm

1 stop13h 10m

$661

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 12/5

6:10 am-4:21 pm

2 stops17h 11m

Washington, D.C. Dulles Intl

Fri 1/23

1:15 pm-1:35 pm

2 stops17h 20m

$663

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 12/22

6:10 am-7:27 am

2 stops32h 17m

Washington, D.C. Dulles Intl

Thu 1/15

10:12 pm-6:20 pm

2 stops37h 08m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 23 results
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Best time to book a flight from Bulgaria to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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

Currently, October is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $492). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $638). 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 BG to IAD?

Find hourly flight availability from Bulgaria to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Bulgaria to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with KLM, United Airlines, and Turkish Airlines from Bulgaria to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,997 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,033 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,542 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Bulgaria to Dulles Intl. 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. Dulles Intl Airport?

    KLM, Turkish Airlines, and Austrian Airlines can get you from Bulgaria to Washington, D.C. Dulles Intl Airport in just under 16h 05m. Your travel time can differ by up to 16h 40m. Bulgaria and Washington, D.C. Dulles Intl Airport 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.

  • Can I find deals for flights from Bulgaria to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Bulgaria to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bulgaria to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bulgaria to Dulles Intl.

  • Can I find deals for business class flights from Bulgaria to Dulles Intl?

    Yes. Cheapflights offers flight deals from Bulgaria to Dulles Intl 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. Dulles Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $492). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $638). 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. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for Bulgaria to Dulles Intl

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

Top 4 airlines flying from Bulgaria to Dulles Intl

Discover the top 4 airlines that operate flights from Bulgaria to Dulles Intl. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$601FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$572Average$650FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$588Average$641FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$667FlexibilityNo cancel feeOn-time77%

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