What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sofia round-trip?

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Sofia round-trip from $717. Other airlines that can offer you cheap pricing are United Airlines, from $726, and Air Canada, from $732. These flights start at 13% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Sofia one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Sofia are ITA Airways ($797), Austrian Airlines ($915), and SWISS ($933).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Sofia?

Air France, ITA Airways and British Airways are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Sofia.

Can I find flights from Washington, D.C. Dulles Intl Airport to Sofia for under $700 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Sofia for under $700. The cheapest flight booked recently is on Multiple Airlines for just $642, but on average you can expect to pay $707.

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Sofia for under $1,300?

There are currently 7+ open flights from Washington, D.C. Dulles Intl Airport to Sofia within the next 7 days for less than $1,300.

Which airlines flying from Washington, D.C. Dulles Intl to Sofia have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Washington, D.C. Dulles Intl to Sofia that may be offering flexible cancellation policies are Lufthansa, Turkish Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Sofia?

Find a great deal and save up to 8% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to Sofia within the next two weeks, with the cheapest ticket starting at $985.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sofia?

Our data shows that February tends to be the cheapest month to fly to Sofia from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $814 for the month, but tickets can be as low as $548. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Sofia (IAD - SOF)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Sofia as you normally would.

What airport do you fly into for flights to Sofia from Washington, D.C. Dulles Intl?

Most people fly into Sofia (SOF) if they book a flight to Sofia from Washington, D.C. Dulles Intl. On average, Sofia has 0 inbound flights from Washington, D.C. Dulles Intl per day from 8 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

What does IAD to SOF mean?

Great question - IAD to SOF just means Washington, D.C. Dulles Intl Airport to Sofia Airport. Now you’ll know what these unique codes when you look for flights!

Flights from Washington, D.C. Dulles Intl Airport (IAD) to Sofia, Bulgaria from $320

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

Popular in	December
Cheapest in	February
Round-trip from	$593
One-way from	$448

High demand for flights, 40% potential price rise

Search Deals

Best time to find cheap flights, 29% potential price drop

Search Deals

From Washington, D.C. Dulles Intl to Sofia

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Sofia

Search Deals

IAD - SOF Price	$593 - $1,379
SOF Temperature	30.2 - 68 °F
SOF Rainfall	1.2 - 2.8 inches

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

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.

Jun 28 - Jul 27

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

20h 40m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

29h 40m

$1,131

Multiple Airlines

Deal found 5/29

Jun 20 - Jul 4

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

22h 30m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

31h 05m

$1,155

Multiple Airlines

Deal found 5/29

Jun 2 - Jun 4

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

31h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

33h 50m

$1,183

Multiple Airlines

Deal found 5/30

Jun 20 - Jul 4

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

22h 30m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

36h 10m

$1,191

Multiple Airlines

Deal found 5/29

Jun 2 - Jun 4

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

31h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

34h 25m

$1,209

Multiple Airlines

Deal found 5/29

Jun 28 - Jul 27

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

20h 40m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

20h 40m

$1,230

Multiple Airlines

Deal found 5/29

Jun 19 - Jul 3

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

23h 40m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

19h 05m

$1,260

Multiple Airlines

Deal found 5/28

Jun 29 - Jul 13

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

15h 45m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

17h 40m

$1,272

Multiple Airlines

Deal found 5/28

Jun 20 - Jul 4

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

20h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

34h 20m

$1,286

Multiple Airlines

Deal found 5/29

Dulles Intl to Sofia 2023 flight deals

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.

Sep 26 - Oct 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

16h 05m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

29h 00m

$642

Multiple Airlines

Deal found 5/28

Sep 26 - Oct 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

16h 05m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

28h 10m

$668

Multiple Airlines

Deal found 5/28

Aug 28 - Sep 24

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

18h 55m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

29h 00m

$678

Multiple Airlines

Deal found 5/29

Nov 25 - Dec 9

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

21h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

27h 30m

$682

Multiple Airlines

Deal found 5/28

Nov 25 - Dec 9

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

19h 00m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

27h 30m

$692

Multiple Airlines

Deal found 5/28

Aug 28 - Sep 20

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

18h 55m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

29h 00m

$694

Multiple Airlines

Deal found 5/29

Aug 30 - Sep 13

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

17h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

17h 10m

$708

Multiple Airlines

Deal found 5/28

Aug 30 - Sep 13

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

17h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

38h 05m

$716

Multiple Airlines

Deal found 5/28

Aug 27 - Sep 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

12h 45m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

26h 35m

$717

ITA Airways

Deal found 5/28

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.

Aug 27 - Sep 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

12h 45m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

26h 35m

$717

ITA Airways

Deal found 5/28

Sep 2 - Sep 20

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

18h 55m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

26h 15m

$720

ITA Airways

Deal found 5/29

Aug 27 - Sep 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

17h 44m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

26h 35m

$753

ITA Airways

Deal found 5/28

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.

Oct 30 - Nov 13

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

17h 35m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

16h 35m

$726

United Airlines

Deal found 5/29

Nov 26 - Dec 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

12h 40m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

16h 35m

$742

United Airlines

Deal found 5/29

Nov 26 - Dec 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

21h 45m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

13h 10m

$745

United Airlines

Deal found 5/29

Oct 29 - Nov 12

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

33h 00m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

16h 35m

$748

United Airlines

Deal found 5/28

Last minute flights from Dulles Intl to Sofia

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.

Jun 7 - Sep 2

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

23h 20m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

19h 35m

$1,237

Multiple Airlines

Deal found 5/30

Jun 7 - Sep 1

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

17h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

24h 35m

$1,285

Multiple Airlines

Deal found 5/30

Jun 7 - Sep 2

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

23h 20m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

1 stop

20h 40m

$1,302

Multiple Airlines

Deal found 5/30

Jun 7 - Sep 2

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

17h 50m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

29h 30m

$1,328

Multiple Airlines

Deal found 5/30

Jun 7 - Sep 1

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

22h 00m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

24h 35m

$1,360

Multiple Airlines

Deal found 5/30

Jun 7 - Sep 1

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

23h 20m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

2 stops

22h 15m

$1,373

Multiple Airlines

Deal found 5/30

Jun 7 - Sep 2

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

22h 00m

SOF

Sofia

IAD

Washington, D.C. Dulles Intl

3 stops

29h 30m

$1,424

Multiple Airlines

Deal found 5/30

One-way flights to Sofia from Dulles Intl

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.

Aug 12

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

32h 30m

$320

Multiple Airlines

Deal found 5/30

Jul 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

3 stops

45h 30m

$337

Multiple Airlines

Deal found 5/29

Jul 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

31h 50m

$346

Multiple Airlines

Deal found 5/29

Jul 10

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

34h 20m

$378

Multiple Airlines

Deal found 5/29

Aug 12

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

14h 25m

$448

Multiple Airlines

Deal found 5/30

Jul 29

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

18h 50m

$797

ITA Airways

Deal found 5/29

Jul 24

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

1 stop

17h 25m

$915

Austrian Airlines

Deal found 5/30

Jul 24

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

35h 15m

$933

SWISS

Deal found 5/30

Jul 12

IAD

Washington, D.C. Dulles Intl

SOF

Sofia

2 stops

32h 55m

$965

Austrian Airlines

Deal found 5/30

Find flights from Dulles Intl to Sofia within your budget

Fly from

Fly to

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

$642

Pick Dates

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

$668

Pick Dates

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

$717

Pick Dates

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

$720

Pick Dates

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

$726

Pick Dates

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

$732

Pick Dates

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

$742

Pick Dates

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

$755

Pick Dates

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

$779

Pick Dates

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Check prices

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

Top 8 airlines flying from Dulles Intl to Sofia

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
KLM	Cheapest$517	Average$598	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search KLM flights
British Airways	Cheapest$540	Average$697	FlexibilityNo cancel fee	On-time70%	COVID-19 safety	Search British Airways flights
Lufthansa	Cheapest$569	Average$1,171	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Lufthansa flights
Austrian Airlines	Cheapest$570	Average$1,158	FlexibilityNo cancel fee	On-time78%	COVID-19 safety	Search Austrian Airlines flights
United Airlines	Cheapest$580	Average$1,044	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
Air France	Cheapest$581	Average$750	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Air France flights
Turkish Airlines	Cheapest$593	Average$809	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Turkish Airlines flights
ITA Airways	Cheapest$619	Average$1,072	FlexibilityNo cancel fee	On-time81%	COVID-19 safety	Search ITA Airways flights

Miami to Barcelona flights

Dallas to Mumbai flights

Los Angeles to Dubai flights

San Francisco to Hawaii flights

Tampa to Las Vegas flights

New York to Niagara Falls, New York flights

USA to Ghana flights

Miami to Paris flights

New York John F Kennedy Intl Airport to San Francisco flights

Orlando to Boston flights

Boston to Newark Airport flights

Washington, D.C. Dulles Intl Airport to Southampton flights

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.

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

Cheapest in

Round-trip from

One-way from

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Sofia?

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sofia?

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Sofia (IAD - SOF)?

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.

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.

Related info for your journey

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

What airport do you fly into for flights to Sofia from Washington, D.C. Dulles Intl?

Which airlines flying from Washington, D.C. Dulles Intl to Sofia have flexible cancellations due to COVID-19?

Can I find flights from Washington, D.C. Dulles Intl Airport to Sofia for under $700 on Cheapflights?

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Sofia for under $1,300?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sofia round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Sofia one-way?

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Sofia?

What does IAD to SOF mean?

Other flights from Dulles Intl

Flights to Sofia from Dulles Intl

Rent a Car

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.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2023

100% Free

Book with Flexibility

Travel Smart