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Dulles Intl

$519+ Cheap flights from Bulgaria to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
May 4 — May 111
Sun 5/4
Sun 5/11
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 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$519
(KLM)

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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Highest demand for flights based on searches. 10% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 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 29, 2025.

This KLM deal was found by Cheapflights users on 4/29. 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.
Wed 9/177:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Fri 10/176:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 4/29$519
This KLM deal was found by Cheapflights users on 4/29. 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.
Thu 10/167:00 amSOF - IAD
1 stop15h 35mKLM
Sat 11/85:35 pmIAD - SOF
1 stop13h 25mKLM
Deal found 4/29$525
This Air France deal was found by Cheapflights users on 4/29. 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.
Wed 6/117:00 amSOF - IAD
1 stop19h 15mAir France
Wed 7/166:30 pmIAD - SOF
1 stop12h 30mAir France
Deal found 4/29$576
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/98:00 pmSOF - IAD
2 stops26h 00mBritish Airways
Tue 7/1510:40 pmIAD - SOF
1 stop15h 00mBritish Airways
Deal found 4/29$579
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:15 amSOF - IAD
2 stops21h 50mUnited Airlines
Sat 10/185:40 pmIAD - SOF
1 stop11h 20mUnited Airlines
Deal found 4/29$617
This Air Canada deal was found by Cheapflights users on 4/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:15 amSOF - IAD
2 stops36h 01mAir Canada
Wed 11/59:55 amIAD - SOF
2 stops20h 40mAir Canada
Deal found 4/29$630
This ITA Airways deal was found by Cheapflights users on 4/29. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/136:00 pmSOF - IAD
1 stop27h 40mITA Airways
Thu 9/114:30 pmIAD - SOF
1 stop17h 40mITA Airways
Deal found 4/29$637
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/76:00 amSOF - IAD
1 stop16h 20mLufthansa
Wed 9/1010:20 pmIAD - SOF
1 stop17h 40mLufthansa
Deal found 4/29$640
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:55 pmSOF - IAD
1 stop26h 40mAustrian Airlines
Fri 9/55:25 pmIAD - SOF
1 stop17h 45mAustrian Airlines
Deal found 4/29$646
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:50 amSOF - IAD
1 stop12h 25mSWISS
Fri 9/128:45 pmIAD - SOF
2 stops32h 15mSWISS
Deal found 4/29$649
This Turkish Airlines deal was found by Cheapflights users on 4/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/129:15 pmSOF - IAD
1 stop29h 30mTurkish Airlines
Fri 7/181:30 pmIAD - SOF
1 stop18h 15mTurkish Airlines
Deal found 4/29$681
This Air France deal was found by Cheapflights users on 4/29. 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.
Tue 5/1310:15 pmVAR - IAD
2 stops25h 05mAir France
Mon 5/196:30 pmIAD - VAR
2 stops14h 20mAir France
Deal found 4/29$772

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 29, 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

Wed 9/17

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 10/17

6:30 pm-2:00 pm

1 stop12h 30m

$519

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/16

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 11/8

5:35 pm-2:00 pm

1 stop13h 25m

$525

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 6/11

7:00 am-7:15 pm

1 stop19h 15m

Washington, D.C. Dulles Intl

Wed 7/16

6:30 pm-2:00 pm

1 stop12h 30m

$576

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 6/9

8:00 pm-3:00 pm

2 stops26h 00m

Washington, D.C. Dulles Intl

Tue 7/15

10:40 pm-8:40 pm

1 stop15h 00m

$579

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/17

6:15 am-9:05 pm

2 stops21h 50m

Washington, D.C. Dulles Intl

Tue 10/14

5:40 pm-6:40 pm

1 stop18h 00m

$617

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/16

6:15 am-11:16 am

2 stops36h 01m

Washington, D.C. Dulles Intl

Wed 11/5

9:55 am-1:35 pm

2 stops20h 40m

$630

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 7/13

6:00 pm-2:40 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Thu 9/11

4:30 pm-5:10 pm

1 stop17h 40m

$637

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 7/7

6:00 am-3:20 pm

1 stop16h 20m

Washington, D.C. Dulles Intl

Wed 9/10

10:20 pm-11:00 pm

1 stop17h 40m

$640

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 6/2

6:55 pm-2:35 pm

1 stop26h 40m

Washington, D.C. Dulles Intl

Fri 9/5

5:25 pm-6:10 pm

1 stop17h 45m

$646

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 7/10

10:50 am-4:15 pm

1 stop12h 25m

Washington, D.C. Dulles Intl

Fri 9/12

8:45 pm-12:00 pm

2 stops32h 15m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 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 $373). 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 29, 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 29, 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines and SWISS from Bulgaria to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

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

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

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

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

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
1,588 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

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
3,563 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

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
1,446 reviews
KLM
7.8
Good
1,333 reviews

Comfort

7.7

Food

7.2

Entertainment

7.1

Crew

8.4

Boarding

7.8

Overall

7.8

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 $572. However, be on the lookout for offers from KLM and Lufthansa, 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 $373). 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
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
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.
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Barcelona-El Prat to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
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Amsterdam to Reagan-National flights
Amsterdam to Baltimore flights
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Madrid to Baltimore flights
Geneva to Dulles Intl flights
Luton to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Vienna to Baltimore flights
Copenhagen to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Athens to Dulles Intl flights
Lisbon to Dulles Intl flights
Manchester to Dulles Intl flights
Berlin to Dulles Intl flights
Vienna to Reagan-National flights
Bruxelles-National to Baltimore 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$572Average$806FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$584Average$659FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$665FlexibilityNo cancel feeOn-time77%

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