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$317+ Cheap flights from Dulles Intl (IAD) to Bulgaria

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOF
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Bulgaria

Cheapest flights from Dulles Intl to Bulgaria
Explore the most affordable flight options available from Dulles Intl to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:20 pm
IAD
-
SOF
1 stop16h 55m
Turkish Airlines
Tue 4/213:50 pm
SOF
-
IAD
1 stop26h 45m
Turkish Airlines
Deal found 3/17$538
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:20 pm
IAD
-
SOF
1 stop18h 40m
Turkish Airlines
Wed 5/209:35 am
SOF
-
IAD
1 stop17h 15m
Turkish Airlines
Deal found 3/16$540
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:20 pm
IAD
-
SOF
1 stop16h 55m
Turkish Airlines
Thu 4/303:50 pm
SOF
-
IAD
1 stop35h 00m
Turkish Airlines
Deal found 3/15$541
This FlightHub deal was found by Cheapflights users on 3/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:20 pm
IAD
-
SOF
1 stop12h 25m
Turkish Airlines
Tue 9/229:05 pm
SOF
-
IAD
1 stop21h 30m
Turkish Airlines
Deal found 3/13$548
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:45 pm
IAD
-
VAR
1 stop22h 10m
Turkish Airlines
Thu 5/710:10 pm
VAR
-
IAD
1 stop20h 25m
Turkish Airlines
Deal found 3/16$548
This oojo deal was found by Cheapflights users on 3/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:45 pm
IAD
-
SOF
1 stop15h 30m
Turkish Airlines
Wed 9/169:35 am
SOF
-
IAD
1 stop33h 00m
Turkish Airlines
Deal found 3/14$556
This oojo deal was found by Cheapflights users on 3/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:45 pm
IAD
-
SOF
1 stop28h 00m
Turkish Airlines
Tue 9/159:35 am
SOF
-
IAD
1 stop33h 00m
Turkish Airlines
Deal found 3/12$557
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:45 pm
IAD
-
SOF
1 stop28h 00m
Turkish Airlines
Thu 5/73:50 pm
SOF
-
IAD
1 stop35h 00m
Turkish Airlines
Deal found 3/15$558
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:45 pm
IAD
-
SOF
1 stop28h 00m
Turkish Airlines
Mon 4/209:35 am
SOF
-
IAD
1 stop33h 00m
Turkish Airlines
Deal found 3/15$562
This FlightHub deal was found by Cheapflights users on 3/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/222:30 pm
IAD
-
SOF
1 stop18h 40m
Turkish Airlines
Sat 3/289:40 pm
SOF
-
IAD
1 stop19h 55m
Turkish Airlines
Deal found 3/13$577
This oojo deal was found by Cheapflights users on 3/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/59:45 pm
IAD
-
SOF
1 stop15h 30m
Turkish Airlines
Sun 4/192:05 pm
SOF
-
IAD
1 stop28h 30m
Turkish Airlines
Deal found 3/14$579
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/131:20 pm
IAD
-
VAR
1 stop12h 25m
Turkish Airlines
Mon 4/2010:10 pm
VAR
-
IAD
1 stop28h 40m
Turkish Airlines
Deal found 3/16$586

Find flight deals from Dulles Intl to Bulgaria

Keep the following information in mind while searching for Dulles Intl to Bulgaria flight deals. Data was last updated March 17, 2026.

Round-trip from

$538
(oojo)

One-way from

$317
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$695
From Washington, D.C. Dulles Intl to Bulgaria
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Bulgaria
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Bulgaria 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 March 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Varna

IAD - VAR

IADVAR

Washington, D.C. Dulles Intl

Mon 4/13

1:20 pm-8:45 am

1 stop12h 25m

Varna

Mon 4/20

10:10 pm-7:50 pm

1 stop28h 40m

$586

Washington, D.C.Varna

IAD - VAR

IADVAR

Washington, D.C. Dulles Intl

Mon 4/27

1:20 pm-8:45 am

1 stop12h 25m

Varna

Mon 5/4

10:10 pm-7:50 pm

1 stop28h 40m

$586

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 8/5

9:45 am-10:40 am

2 stops17h 55m

Sofia

Fri 8/21

6:20 am-3:15 pm

1 stop15h 55m

$653

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 8/23

10:20 pm-6:40 pm

1 stop13h 20m

Sofia

Fri 8/28

6:20 am-12:44 am

2 stops25h 24m

$678

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 7/6

8:20 pm-6:00 pm

2 stops14h 40m

Sofia

Fri 8/21

6:20 am-3:15 pm

1 stop15h 55m

$702

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/1

10:20 pm-6:40 pm

1 stop13h 20m

Sofia

Tue 9/22

6:10 am-5:37 pm

2 stops18h 27m

$727

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 9/12

10:36 pm-12:10 pm

2 stops30h 34m

Sofia

Sat 9/26

6:20 am-4:05 pm

1 stop16h 45m

$736

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 7/31

5:30 pm-12:10 pm

1 stop11h 40m

Sofia

Mon 8/17

2:20 pm-9:23 pm

2 stops38h 03m

$748
Quickest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 6/21

5:30 pm-12:10 pm

1 stop11h 40m

Sofia

Wed 8/19

6:20 am-3:15 pm

1 stop15h 55m

$758

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 7/4

10:20 pm-11:00 pm

1 stop17h 40m

Sofia

Thu 8/27

2:10 pm-8:00 pm

1 stop12h 50m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Bulgaria

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Bulgaria in June is currently the most expensive (average of $744). 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.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated March 17, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Bulgaria, such as Austrian Airlines,United Airlines, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Overall

7.6

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Austrian Airlines
7.6
Good
900 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Overall

7.6

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
United Airlines
7.4
Good
9,437 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Overall

7.6

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Turkish Airlines
7.3
Good
4,258 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Overall

7.6

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Lufthansa
6.8
Okay
7,858 reviews
Austrian Airlines
7.6
Good
900 reviews

Crew

8.1

Overall

7.6

Food

6.8

Boarding

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Bulgaria. 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 Washington, D.C. Dulles Intl Airport to Bulgaria?

    Airlines like Turkish Airlines, United Airlines, and Lufthansa fly from Washington, D.C. Dulles Intl Airport to Bulgaria in about 12h 25m. The time it takes to get you to your destination can typically vary by up to 21h 30m. Washington, D.C. Dulles Intl Airport and Bulgaria are separated by a distance of 5086 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Bulgaria?

    Most travelers choose Washington, D.C. Dulles Intl - Sofia, Washington, D.C. Dulles Intl - Varna or Washington, D.C. Dulles Intl - Bourgas when deciding on the best route from Washington, D.C. Dulles Intl Airport to Bulgaria.

  • Can I find deals for flights from Dulles Intl to Bulgaria that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Bulgaria.

  • Can I find deals for business class flights from Dulles Intl to Bulgaria?

    Yes. Cheapflights offers flight deals from Dulles Intl to Bulgaria 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 Washington, D.C. Dulles Intl Airport to Bulgaria?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria (average of $523). Flying from Washington, D.C. Dulles Intl Airport to Bulgaria in June is currently the most expensive (average of $744). 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

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Alternative routes for Dulles Intl to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Charles de Gaulle flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Edinburgh flights
Dulles Intl to Vicenza flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Dulles Intl to Munich flights
Baltimore to Athens flights
Baltimore to Dublin flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Zurich flights
Dulles Intl to Bruxelles-National flights
Baltimore to Lisbon flights
Reagan-National to Lisbon flights
Dulles Intl to Luton flights
Dulles Intl to Copenhagen flights
Baltimore to Keflavik Intl flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Barcelona-El Prat flights
Reagan-National to Keflavik Intl flights
Baltimore to Amsterdam flights
Dulles Intl to Vienna flights

Top 4 airlines flying from Dulles Intl to Bulgaria

Discover the top 4 airlines that operate flights from Dulles Intl to Bulgaria. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$522Average$766FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$650Average$845FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$666Average$845FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$781Average$1,084FlexibilityNo cancel feeOn-time78%

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