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Dulles Intl

$378+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$544
(Air France)

One-way from

$378
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$688
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.
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From Bulgaria to Washington, D.C. Dulles Intl
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One-way flight from Bulgaria to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 8% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 24, 2025.

This Air France deal was found by Cheapflights users on 4/22. 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.
Fri 5/97:00 amSOF - IAD
1 stop16h 20mAir France
Sat 10/186:30 pmIAD - SOF
1 stop12h 30mAir France
Deal found 4/22$527
This KLM deal was found by Cheapflights users on 4/22. 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 5/247:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Sat 6/76:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 4/22$528
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Mon 5/128:00 pmSOF - IAD
1 stop26h 45mAmerican Airlines
Sun 5/2510:40 pmIAD - SOF
1 stop13h 30mAmerican Airlines
Deal found 4/22$588
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/66:20 amSOF - IAD
2 stops16h 59mUnited Airlines
Mon 12/1510:20 pmIAD - SOF
1 stop12h 50mUnited Airlines
Deal found 4/22$617
This Lufthansa deal was found by Cheapflights users on 4/23. 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.
Tue 6/312:45 pmSOF - IAD
1 stop13h 40mLufthansa
Wed 6/2510:20 pmIAD - SOF
1 stop13h 20mLufthansa
Deal found 4/23$619
This SWISS deal was found by Cheapflights users on 4/22. 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.
Mon 5/123:30 pmSOF - IAD
1 stop31h 45mSWISS
Sun 5/258:45 pmIAD - SOF
1 stop32h 45mSWISS
Deal found 4/22$620
This Austrian Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 8/284:05 pmSOF - IAD
1 stop29h 30mAustrian Airlines
Tue 9/96:40 pmIAD - SOF
2 stops16h 30mAustrian Airlines
Deal found 4/23$631
This Air Canada deal was found by Cheapflights users on 4/22. 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.
Fri 5/96:15 amSOF - IAD
2 stops17h 04mAir Canada
Sat 10/182:25 pmIAD - SOF
2 stops14h 35mAir Canada
Deal found 4/22$635
This lastminute.com deal was found by Cheapflights users on 4/22. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:55 pmSOF - IAD
2 stops37h 44mKLM
Sun 5/2512:20 pmIAD - SOF
2 stops18h 40mKLM
Deal found 4/22$641
This British Airways deal was found by Cheapflights users on 4/22. 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.
Mon 5/128:00 pmSOF - IAD
1 stop26h 45mBritish Airways
Sun 5/2510:40 pmIAD - SOF
1 stop13h 30mBritish Airways
Deal found 4/22$762
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:55 pmSOF - IAD
1 stop32h 45mITA Airways
Wed 7/3012:30 pmIAD - SOF
2 stops16h 40mITA Airways
Deal found 4/21$1,286

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 April 24, 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 5/9

7:00 am-4:20 pm

1 stop16h 20m

Washington, D.C. Dulles Intl

Sat 10/18

6:30 pm-2:00 pm

1 stop12h 30m

$527

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 5/24

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 6/7

6:30 pm-2:00 pm

1 stop12h 30m

$528

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 5/12

8:00 pm-3:45 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

Sun 5/25

10:40 pm-7:10 pm

1 stop13h 30m

$588

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 5/6

6:20 am-4:19 pm

2 stops16h 59m

Washington, D.C. Dulles Intl

Mon 12/15

10:20 pm-6:10 pm

1 stop12h 50m

$617

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 6/3

12:45 pm-7:25 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Wed 6/25

10:20 pm-6:40 pm

1 stop13h 20m

$619

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 5/12

3:30 pm-4:15 pm

1 stop31h 45m

Washington, D.C. Dulles Intl

Sun 5/25

8:45 pm-12:30 pm

1 stop32h 45m

$620

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 8/28

4:05 pm-2:35 pm

1 stop29h 30m

Washington, D.C. Dulles Intl

Tue 9/9

6:40 pm-6:10 pm

2 stops16h 30m

$631

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 5/9

6:15 am-4:19 pm

2 stops17h 04m

Washington, D.C. Dulles Intl

Sat 10/18

2:25 pm-12:00 pm

2 stops14h 35m

$635

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 5/12

12:55 pm-7:39 pm

2 stops37h 44m

Washington, D.C. Dulles Intl

Sun 5/25

12:20 pm-2:00 pm

2 stops18h 40m

$641

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 5/12

8:00 pm-3:45 pm

1 stop26h 45m

Washington, D.C. Dulles Intl

Sun 5/25

10:40 pm-7:10 pm

1 stop13h 30m

$762

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 20 results
1
2

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, August is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 April 24, 2025.

When flying from Bulgaria to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 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 April 24, 2025.
KLM
7.8
Good
1,333 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
780 reviews
KLM
7.8
Good
1,333 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,582 reviews
KLM
7.8
Good
1,333 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Qatar Airways
7.4
Good
3,561 reviews
KLM
7.8
Good
1,333 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,442 reviews
KLM
7.8
Good
1,333 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Food

7.2

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines to fly from Bulgaria to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Qatar Airways, with whom users have recently found tickets for as low as $574. However, be on the lookout for offers from KLM and American Airlines, as they are both options that can get you from Bulgaria to Washington, D.C. Dulles Intl Airport for a low price.

  • 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, August is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 Bulgaria?

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

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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.
Frankfurt to Dulles Intl flights
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Baltimore flights
Frankfurt to Baltimore flights
Charles de Gaulle to Reagan-National flights
Frankfurt to Reagan-National flights
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Amsterdam to Dulles Intl flights
Heathrow to Reagan-National flights
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Vienna to Dulles Intl flights
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Gatwick to Baltimore flights
Charles de Gaulle to Baltimore flights
Gatwick to Reagan-National flights
Zurich to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Madrid to Reagan-National flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Madrid to Baltimore flights
Frederic Chopin to Dulles Intl flights
Stansted to Baltimore flights
Bruxelles-National to Reagan-National flights
Dublin to Dulles Intl flights
Munich to Dulles Intl flights
Lisbon to Dulles Intl flights
Bruxelles-National to Baltimore flights
Vienna to Reagan-National flights
Frederic Chopin to Baltimore flights
Vienna to Baltimore flights
Frederic Chopin to Reagan-National flights
Amsterdam to Baltimore flights
Amsterdam to Reagan-National flights
Copenhagen to Dulles Intl flights
Frankfurt-Hahn to Baltimore flights
Istanbul to Reagan-National flights
Stansted to Dulles Intl flights
Geneva to Dulles Intl flights
Berlin to Dulles Intl flights
Istanbul to Baltimore flights
Barcelona-El Prat to Baltimore flights
Krakow to Dulles Intl flights
Edinburgh to Dulles Intl flights
Duesseldorf Intl to Baltimore flights
Manchester to Dulles Intl flights

Top 3 airlines flying from Bulgaria to Dulles Intl

Discover the top 3 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$572Average$810FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$584Average$659FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$655FlexibilityNo cancel feeOn-time77%

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