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Dulles Intl

$439+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$439
(KLM)

Popular in

September

Cheapest in

June

Average price

$901
From Bulgaria to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 15, 2025.

This KLM deal was found by Cheapflights users on 9/13. 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 10/157:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Tue 11/116:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 9/13$439
This KLM deal was found by Cheapflights users on 9/14. 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 9/257:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Thu 10/96:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 9/14$440
This Air France deal was found by Cheapflights users on 9/14. 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 9/307:00 amSOF - IAD
1 stop16h 20mAir France
Wed 10/156:30 pmIAD - SOF
1 stop12h 30mAir France
Deal found 9/14$445
This KLM deal was found by Cheapflights users on 9/15. 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 10/217:00 amSOF - IAD
2 stops16h 57mMultiple Airlines
Thu 11/206:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 9/15$449
This KLM deal was found by Cheapflights users on 9/14. 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 10/17:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Thu 12/46:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 9/14$456
This KLM deal was found by Cheapflights users on 9/14. 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 10/17:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Fri 12/512:19 pmIAD - SOF
2 stops18h 36mMultiple Airlines
Deal found 9/14$491
This KLM deal was found by Cheapflights users on 9/14. 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 10/17:00 amSOF - IAD
1 stop15h 35mKLM
Sat 12/66:05 pmIAD - SOF
1 stop13h 00mKLM
Deal found 9/14$492
This KLM deal was found by Cheapflights users on 9/15. 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 10/17:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Fri 2/136:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 9/15$534
This KLM deal was found by Cheapflights users on 9/15. 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 10/17:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Wed 2/111:00 pmIAD - SOF
2 stops18h 05mMultiple Airlines
Deal found 9/15$539
This KLM deal was found by Cheapflights users on 9/15. 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 10/17:00 amSOF - IAD
1 stop15h 35mKLM
Thu 2/126:05 pmIAD - SOF
1 stop13h 00mKLM
Deal found 9/15$540
This KLM deal was found by Cheapflights users on 9/15. 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 10/87:00 amSOF - IAD
2 stops19h 18mMultiple Airlines
Fri 2/136:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 9/15$544
This Justfly.com deal was found by Cheapflights users on 9/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:10 pmVAR - IAD
1 stop20h 35mTurkish Airlines
Sun 10/51:30 pmIAD - VAR
1 stop24h 50mTurkish Airlines
Deal found 9/15$595

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 September 15, 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 10/22

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 11/20

6:50 pm-1:55 pm

1 stop12h 05m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/16

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 11/11

6:50 pm-1:55 pm

1 stop12h 05m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/16

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 11/12

6:50 pm-2:05 pm

1 stop12h 15m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 10/15

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 11/11

6:50 pm-1:55 pm

1 stop12h 05m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 10/15

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 11/13

6:50 pm-1:55 pm

1 stop12h 05m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 10/14

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 11/13

6:50 pm-1:55 pm

1 stop12h 05m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 11/20

6:50 pm-1:55 pm

1 stop12h 05m

$439

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 10/21

7:00 am-4:57 pm

2 stops16h 57m

Washington, D.C. Dulles Intl

Thu 11/20

6:50 pm-1:55 pm

1 stop12h 05m

$449

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/23

7:00 am-4:29 pm

2 stops16h 29m

Washington, D.C. Dulles Intl

Wed 11/19

6:50 pm-2:05 pm

1 stop12h 15m

$449

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 10/2

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 12/4

6:50 pm-1:55 pm

1 stop12h 05m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 38 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, August is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 15, 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.

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 September 15, 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
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,929 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,968 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,407 reviews
KLM
7.8
Good
1,385 reviews

Overall

7.8

Food

7.3

Comfort

7.7

Boarding

7.8

Entertainment

7.2

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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?

    Turkish Airlines and Air France can get you from Bulgaria to Washington, D.C. Dulles Intl Airport in just under 20h 35m. Your travel time can differ by up to 4h 30m. Bulgaria and Washington, D.C. Dulles Intl Airport are separated by a distance of 5086 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, August is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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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.
Charles de Gaulle to Dulles Intl flights
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Charles de Gaulle to Baltimore flights
Frankfurt to Dulles Intl flights
Orly to Dulles Intl flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Istanbul to Dulles Intl flights
Gatwick to Baltimore flights
Charles de Gaulle to Reagan-National flights
Gatwick to Reagan-National flights
Madrid to Dulles Intl flights
Bruxelles-National to Dulles Intl flights
Madrid to Reagan-National flights
Vienna to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Amsterdam to Dulles Intl flights
Madrid to Baltimore flights
Frankfurt to Baltimore flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Frankfurt to Reagan-National flights
Dublin to Dulles Intl flights
Stansted to Dulles Intl flights
Munich to Dulles Intl flights
Luton to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
Zurich to Dulles Intl flights
Duesseldorf Intl to Dulles Intl flights
Istanbul to Baltimore flights
Istanbul to Reagan-National flights
Athens to Dulles Intl flights
Stansted to Baltimore flights
Copenhagen to Dulles Intl flights
London City to Reagan-National flights
Duesseldorf Intl to Baltimore flights
Vicenza to Dulles Intl flights
Geneva to Dulles Intl flights
Barcelona-El Prat to Baltimore flights
Frederic Chopin to Reagan-National flights
Frederic Chopin to Baltimore flights
Barcelona-El Prat to Reagan-National flights
Malpensa to Dulles Intl flights
Duesseldorf Intl to Reagan-National flights
Sabiha Gokcen to Dulles Intl 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$601FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$571Average$674FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$584Average$642FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$667FlexibilityNo cancel feeOn-time77%

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