Cheap flights from Dulles Intl (IAD) to Sofia (SOF) from $320

This is the cheapest one-way flight price, found on 5/30. Prices may vary by date and flight preferences.
IAD — SOF
Jun 4 — Jun 111

How to find the cheapest flight from Dulles Intl (IAD) to Sofia (SOF)

All the information you need to plan the best IAD to SOF flight in 2023: compare Dulles Intl to Sofia flight prices with the expected peak season, weather and rainfall in Sofia.

Popular in

December

Cheapest in

February

Round-trip from

$593

One-way from

$448
High demand for flights, 40% potential price rise
Best time to find cheap flights, 29% potential price drop
From Washington, D.C. Dulles Intl to Sofia
One-way flight from Washington, D.C. Dulles Intl to Sofia

IAD - SOF

Price

$593 - $1,379

SOF

Temperature

30.2 - 68 °F

SOF

Rainfall

1.2 - 2.8 inches

Cheap flights from Dulles Intl to Sofia in May, June 2023

The best prices found for IAD to SOF flights for May, June
Scroll through some of the best deals on flights from Washington, D.C. to Sofia in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Dulles Intl to Sofia 2023 flight deals

Cheap flights to Sofia from Dulles Intl found for this year
Scroll through some of the best deals on flights from Washington, D.C. to Sofia in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap ITA Airways flights from Dulles Intl to Sofia

Peruse some of the lowest-priced ITA Airways flights we've found from Washington, D.C. to Sofia. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap United Airlines flights from Dulles Intl to Sofia

Have a look at some of the cheapest available United Airlines flights departing from Washington, D.C. and landing in Sofia. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Last minute flights from Dulles Intl to Sofia

Late deals on return flights to Sofia from Dulles Intl, departing today and this week
Have a look at some of the flights available from Washington, D.C. to Sofia departing last-minute. Users should examine the flight details to ensure there are no surprises.

One-way flights to Sofia from Dulles Intl

The cheapest one-way flights from Dulles Intl to Sofia
Take a look at some of the best available options we've come across on one-way flights from Washington, D.C. to Sofia. Users needing a return flight from Washington, D.C. to Sofia should utilize the search form above.

Find flights from Dulles Intl to Sofia within your budget

Use the slider to find flights from Dulles Intl to Sofia that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$642 - $779

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/26

2 stops16h 05m

Sofia

Tue 10/10

2 stops29h 00m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/26

2 stops16h 05m

Sofia

Tue 10/10

3 stops28h 10m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 8/27

1 stop12h 45m

Sofia

Sun 9/10

1 stop26h 35m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 9/2

1 stop18h 55m

Sofia

Wed 9/20

1 stop26h 15m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 10/30

1 stop17h 35m

Sofia

Mon 11/13

1 stop16h 35m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 10/30

2 stops22h 31m

Sofia

Mon 11/13

2 stops21h 01m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 11/26

1 stop12h 40m

Sofia

Sun 12/10

1 stop16h 35m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 10/1

1 stop14h 55m

Sofia

Wed 10/18

1 stop21h 55m

Washington, D.C. Dulles IntlSofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 9/29

1 stop13h 25m

Sofia

Fri 10/13

1 stop32h 05m

Flights are sorted by cheapest first

Deals found on 5/28

Reviews of Airlines Servicing Sofia

Read through reviews of airlines operating flights from Washington, D.C. to Sofia, such as ITA Airways, United Airlines and Turkish Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.6
Good
1,522 reviews

Comfort

7.4

Crew

8.2

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

7.1

Reviews

1 / 10

They were short on Customs paperwork, so we had to wait in line at airport for that, then wait again to access customs

United Airlines
7.6
Good
1,522 reviews
United Airlines
7.6
Good
1,522 reviews

Comfort

7.4

Crew

8.2

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

7.1

Reviews

1 / 10

They were short on Customs paperwork, so we had to wait in line at airport for that, then wait again to access customs

SWISS
7.6
Good
351 reviews
United Airlines
7.6
Good
1,522 reviews

Comfort

7.4

Crew

8.2

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

7.1

Reviews

1 / 10

They were short on Customs paperwork, so we had to wait in line at airport for that, then wait again to access customs

Austrian Airlines
7.5
Good
150 reviews
United Airlines
7.6
Good
1,522 reviews

Comfort

7.4

Crew

8.2

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

7.1

Reviews

1 / 10

They were short on Customs paperwork, so we had to wait in line at airport for that, then wait again to access customs

American Airlines
7.4
Good
2,147 reviews
United Airlines
7.6
Good
1,522 reviews

Comfort

7.4

Crew

8.2

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

7.1

Reviews

1 / 10

They were short on Customs paperwork, so we had to wait in line at airport for that, then wait again to access customs

Turkish Airlines
7.3
Good
1,408 reviews
United Airlines
7.6
Good
1,522 reviews

Comfort

7.4

Crew

8.2

Boarding

7.8

Food

6.8

Overall

7.6

Entertainment

7.1

Reviews

1 / 10

They were short on Customs paperwork, so we had to wait in line at airport for that, then wait again to access customs

Related info for your journey

Useful info, stats and facts about Dulles Intl to Sofia flights.

Other flights from Dulles Intl

Top 8 airlines flying from Dulles Intl to Sofia

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to Sofia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
KLMCheapest$517Average$598FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
British AirwaysCheapest$540Average$697FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
LufthansaCheapest$569Average$1,171FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
Austrian AirlinesCheapest$570Average$1,158FlexibilityNo cancel feeOn-time78%COVID-19 safety
Search Austrian Airlines flights
United AirlinesCheapest$580Average$1,044FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Air FranceCheapest$581Average$750FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Air France flights
Turkish AirlinesCheapest$593Average$809FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Turkish Airlines flights
ITA AirwaysCheapest$619Average$1,072FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search ITA Airways flights
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