HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$409+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bulgaria to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 31, 2025.

Round-trip from

$493
(KLM)

One-way from

$409
(Kiwi.com)

Popular in

September

Cheapest in

June

Average price

$732
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. 5% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 31, 2025.

This KLM deal was found by Cheapflights users on 7/31. 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 9/47:00 amSOF - IAD
1 stop15h 35mMultiple Airlines
Wed 9/176:30 pmIAD - SOF
1 stop12h 30mMultiple Airlines
Deal found 7/31$493
This KLM deal was found by Cheapflights users on 7/31. 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 9/57:00 amSOF - IAD
1 stop15h 35mKLM
Fri 11/146:05 pmIAD - SOF
1 stop13h 00mKLM
Deal found 7/31$498
This lastminute.com deal was found by Cheapflights users on 7/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:25 amSOF - IAD
1 stop17h 20mTurkish Airlines
Fri 10/241:30 pmIAD - SOF
1 stop18h 15mTurkish Airlines
Deal found 7/30$548
This Air France deal was found by Cheapflights users on 7/30. 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 9/227:00 amSOF - IAD
2 stops19h 37mAir France
Fri 10/31:00 pmIAD - SOF
2 stops18h 00mAir France
Deal found 7/30$573
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 9/56:15 amSOF - IAD
1 stop16h 00mUnited Airlines
Fri 11/145:33 pmIAD - SOF
2 stops17h 47mUnited Airlines
Deal found 7/31$576
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:15 amSOF - IAD
2 stops21h 50mAir Canada
Fri 11/141:20 pmIAD - SOF
2 stops17h 30mAir Canada
Deal found 7/31$581
This Lufthansa deal was found by Cheapflights users on 7/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:15 amSOF - IAD
1 stop16h 35mLufthansa
Fri 12/56:00 pmIAD - SOF
1 stop12h 50mLufthansa
Deal found 7/30$586
This Austrian Airlines deal was found by Cheapflights users on 7/31. 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 9/48:00 amSOF - IAD
1 stop13h 35mAustrian Airlines
Wed 9/176:40 pmIAD - SOF
2 stops16h 30mAustrian Airlines
Deal found 7/31$616
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Fri 9/129:45 amVAR - IAD
1 stop16h 40mMultiple Airlines
Fri 9/265:25 pmIAD - VAR
1 stop14h 50mMultiple Airlines
Deal found 7/29$679
This Austrian Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/124:00 pmVAR - IAD
1 stop29h 35mAustrian Airlines
Fri 9/2610:25 pmIAD - VAR
2 stops39h 25mAustrian Airlines
Deal found 7/29$690
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 9/113:35 amVAR - IAD
1 stop23h 10mTurkish Airlines
Fri 9/269:40 pmIAD - VAR
1 stop28h 05mTurkish Airlines
Deal found 7/29$712
This Air France deal was found by Cheapflights users on 7/29. 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.
Fri 9/124:30 amVAR - IAD
2 stops18h 50mAir France
Fri 9/266:30 pmIAD - VAR
2 stops16h 55mAir France
Deal found 7/29$725

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 July 31, 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

Thu 9/4

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 9/17

6:30 pm-2:00 pm

1 stop12h 30m

$493

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 9/5

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 11/14

6:05 pm-2:05 pm

1 stop13h 00m

$498

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 10/19

9:25 am-7:45 pm

1 stop17h 20m

Washington, D.C. Dulles Intl

Fri 10/24

1:30 pm-2:45 pm

1 stop18h 15m

$548

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 9/22

7:00 am-7:37 pm

2 stops19h 37m

Washington, D.C. Dulles Intl

Fri 10/3

1:00 pm-2:00 pm

2 stops18h 00m

$573

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 9/5

6:15 am-3:15 pm

1 stop16h 00m

Washington, D.C. Dulles Intl

Fri 11/14

5:33 pm-6:20 pm

2 stops17h 47m

$576

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 9/5

6:15 am-9:05 pm

2 stops21h 50m

Washington, D.C. Dulles Intl

Fri 11/14

1:20 pm-1:50 pm

2 stops17h 30m

$581

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 10/3

6:15 am-3:50 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Fri 12/5

6:00 pm-1:50 pm

1 stop12h 50m

$586

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/4

8:00 am-2:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Wed 9/17

6:40 pm-6:10 pm

2 stops16h 30m

$616

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 10/3

2:20 pm-3:00 pm

2 stops31h 40m

Washington, D.C. Dulles Intl

Fri 12/5

5:54 pm-1:00 pm

2 stops36h 06m

$643

VarnaWashington, D.C.

VAR - IAD

VARIAD

Varna

Fri 9/12

9:45 am-7:25 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Fri 9/26

5:25 pm-3:15 pm

1 stop14h 50m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 23 results
1
2
3

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, July is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $306). 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 July 31, 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 July 31, 2025.
Get a feel of what it's like to fly with KLM, Austrian Airlines, and Air France 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
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Austrian Airlines
7.6
Good
823 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,609 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 Lufthansa, with whom users have recently found tickets for as low as $571. However, be on the lookout for offers from Qatar Airways and Turkish 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, July is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $306). 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
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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.

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
Frankfurt to Dulles Intl flights
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Frankfurt to Baltimore flights
Orly to Dulles Intl flights
Frankfurt to Reagan-National flights
Zurich to Dulles Intl flights
Charles de Gaulle to Baltimore flights
Bruxelles-National to Dulles Intl flights
Amsterdam to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Istanbul to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Baltimore flights
Madrid to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Gatwick to Reagan-National flights
Vienna to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Dublin to Dulles Intl flights
Munich to Dulles Intl flights
Zurich to Baltimore flights
Stansted to Dulles Intl flights
Madrid to Reagan-National flights
Geneva to Dulles Intl flights
Madrid to Baltimore flights
Vicenza to Dulles Intl flights
Zurich to Reagan-National flights
Frederic Chopin to Dulles Intl flights
Bruxelles-National to Baltimore flights
Stansted to Baltimore flights
Munich to Baltimore flights
Bruxelles-National to Reagan-National flights
Munich to Reagan-National flights
Frederic Chopin to Baltimore flights
Luton to Dulles Intl flights
Frankfurt-Hahn to Baltimore flights
Athens to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Copenhagen to Dulles Intl flights
Amsterdam to Baltimore flights
Vienna to Baltimore flights
Amsterdam 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$601FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$572Average$686FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$584Average$642FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$665FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.