HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$379+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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

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 December 18, 2025.

This KLM deal was found by Cheapflights users on 12/17. 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 12/257:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Tue 1/276:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 12/17$634
This Air France deal was found by Cheapflights users on 12/16. 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 12/237:10 amSOF - IAD
1 stop16h 25mAir France
Thu 1/226:50 pmIAD - SOF
1 stop12h 05mAir France
Deal found 12/16$640
This KLM deal was found by Cheapflights users on 12/17. 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 12/257:00 amSOF - IAD
1 stop16h 05mKLM
Wed 1/212:15 pmIAD - SOF
2 stops16h 50mKLM
Deal found 12/17$644
This KLM deal was found by Cheapflights users on 12/18. 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 12/257:00 amSOF - IAD
2 stops16h 23mMultiple Airlines
Fri 1/236:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 12/18$645
This Air France deal was found by Cheapflights users on 12/16. 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 12/237:10 amSOF - IAD
1 stop16h 25mMultiple Airlines
Tue 1/202:15 pmIAD - SOF
2 stops16h 50mMultiple Airlines
Deal found 12/16$650
This KLM deal was found by Cheapflights users on 12/17. 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 12/257:00 amSOF - IAD
2 stops16h 23mKLM
Sun 1/252:15 pmIAD - SOF
2 stops16h 50mKLM
Deal found 12/17$654
This KLM deal was found by Cheapflights users on 12/18. 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 12/257:00 amSOF - IAD
2 stops16h 23mKLM
Tue 1/272:15 pmIAD - SOF
2 stops16h 50mKLM
Deal found 12/18$655
This Air France deal was found by Cheapflights users on 12/16. 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 12/297:00 amSOF - IAD
1 stop16h 35mAir France
Wed 3/117:50 pmIAD - SOF
1 stop12h 15mAir France
Deal found 12/16$664
This Air France deal was found by Cheapflights users on 12/16. 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 12/197:00 amSOF - IAD
1 stop19h 30mAir France
Wed 1/146:50 pmIAD - SOF
1 stop12h 15mAir France
Deal found 12/16$680
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/276:25 amSOF - IAD
1 stop16h 25mUnited Airlines
Sat 1/245:40 pmIAD - SOF
1 stop12h 35mUnited Airlines
Deal found 12/17$690
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/276:25 amSOF - IAD
1 stop16h 25mUnited Airlines
Fri 1/236:00 pmIAD - SOF
1 stop21h 45mUnited Airlines
Deal found 12/17$691
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/262:35 pmSOF - IAD
1 stop12h 40mUnited Airlines
Fri 1/2312:40 pmIAD - SOF
2 stops17h 35mUnited Airlines
Deal found 12/17$694

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$545
(KLM)

One-way from

$379
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$722
Provider with most accurate pricing for Sofia-Washington, D.C. (WAS) flight deals.
Search Deals
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. 3% potential increase in price ($21 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 December 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 December 18, 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 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:10 pm-2:00 pm

1 stop12h 50m

$549

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 1/20

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/3

12:35 pm-1:55 pm

2 stops18h 20m

$550

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 2/1

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 2/8

12:23 pm-1:55 pm

2 stops18h 32m

$551

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 6/3

12:30 pm-2:00 pm

2 stops18h 30m

$567

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 1/31

7:00 am-7:01 pm

2 stops19h 01m

Washington, D.C. Dulles Intl

Sat 2/7

6:50 pm-1:55 pm

1 stop12h 05m

$597

VarnaWashington, D.C.

VAR - IAD

VARIAD

Varna

Wed 2/18

10:00 am-11:45 am

1 stop32h 45m

Washington, D.C. Dulles Intl

Sun 2/22

9:15 pm-8:35 pm

1 stop16h 20m

$1,091

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 1/12

4:45 pm-9:00 pm

2 stops59h 15m

$379

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 2/6

2:25 pm-3:15 pm

2 stops31h 50m

$395

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 1/16

4:50 pm-3:15 pm

2 stops29h 25m

$404

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 2/13

4:45 pm-3:15 pm

2 stops29h 30m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, October is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $487). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $677). 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 December 18, 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 December 18, 2025.
Get a feel of what it's like to fly with KLM, Air France, and United 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
1,428 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,428 reviews
KLM
7.7
Good
1,428 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Air France
7.4
Good
1,507 reviews
KLM
7.7
Good
1,428 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,092 reviews
KLM
7.7
Good
1,428 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,105 reviews
KLM
7.7
Good
1,428 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,635 reviews
KLM
7.7
Good
1,428 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Comfort

7.6

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 and Turkish Airlines can get you from Bulgaria to Washington, D.C. Dulles Intl Airport in just under 15h 35m. Your travel time can differ by up to 17h 10m. 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 $487). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $677). 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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.
Frankfurt to Dulles Intl flights
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Heathrow to Baltimore flights
Bruxelles-National to Dulles Intl flights
Frankfurt to Baltimore flights
Frankfurt to Reagan-National flights
Gatwick to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Charles de Gaulle to Baltimore flights
Madrid to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Gatwick to Baltimore flights
Orly to Dulles Intl flights
Amsterdam to Dulles Intl flights
Gatwick to Reagan-National flights
Stansted to Dulles Intl flights
Istanbul to Dulles Intl flights
Luton to Dulles Intl flights
Dublin to Dulles Intl flights
Madrid to Baltimore flights
Bruxelles-National to Baltimore flights
Barcelona-El Prat to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Zurich to Dulles Intl flights
Munich to Dulles Intl flights
Frederic Chopin to Dulles Intl flights
Amsterdam to Baltimore flights
Berlin to Dulles Intl flights
Madrid to Reagan-National flights
Vienna to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Berlin to Baltimore flights
Amsterdam to Reagan-National flights
Frederic Chopin to Baltimore flights
Barcelona-El Prat to Baltimore flights
Berlin to Reagan-National flights
Luton to Baltimore flights
Dublin to Baltimore flights
Frederic Chopin to Reagan-National flights
Vicenza to Dulles Intl flights
Charleroi Brussels to Dulles Intl flights
Vienna to Reagan-National flights
Barcelona-El Prat to Reagan-National flights
Geneva to Dulles Intl flights
Malpensa to Dulles Intl flights

Top 5 airlines flying from Bulgaria to Dulles Intl

Discover the top 5 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$610FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$533Average$673FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$584Average$655FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$588Average$679FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$621Average$700FlexibilityNo 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.
Site
Cookie settings©2025 Cheapflights