Which layover airport has the shortest connection time from Sofia to Washington, D.C. Dulles Intl Airport?

Vienna (VIE) has the shortest average layover time for this route: 1h 28m.

Which layover airport offers the lowest fares from Sofia to Washington, D.C. Dulles Intl Airport?

Flights via Paris (CDG) offer the lowest average round-trip price of $617.

Which layover airport has the shortest travel time from Sofia to Washington, D.C. Dulles Intl Airport?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 12h 48m.

Which airport is the most popular layover for flights between Sofia and Washington, D.C. Dulles Intl Airport?

Istanbul (IST) was the most common stop: 32% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Washington, D.C. Dulles Intl Airport?

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Sofia according to our data. Turkish Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport are updated daily.

How many operators does momondo search for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport?

There are 5 operators available for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport as of September 2026.

How old do you have to be to fly from Sofia Airport to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$429 Cheap Flights from Sofia to Washington, D.C. Dulles Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sofia to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

10:55 pm - 10:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 00m1 stop Munich Franz Josef Strauss

$757Lufthansa

Wed, Nov 11 - Wed, Nov 18

6:30 am - 4:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 35m1 stop Frankfurt am Main

10:55 pm - 10:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 00m1 stop Munich Franz Josef Strauss

$769Lufthansa

Thu, Oct 22 - Sun, Nov 1

9:25 pm - 5:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

27h 00m1 stop London Heathrow

9:45 pm - 8:10 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

15h 25m1 stop London Heathrow

$776British Airways

Wed, Oct 7 - Tue, Dec 29

9:25 pm - 8:20 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

29h 55m1 stop London Heathrow

6:05 pm - 6:35 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 30m1 stop London Heathrow

$776British Airways

Wed, Oct 7 - Sat, Dec 26

3:40 pm - 4:45 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

32h 05m1 stop Zurich

8:20 pm - 2:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

11h 35m1 stop Zurich

$784SWISS

Mon, Oct 5 - Sun, Oct 18

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

12:37 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 38m2 stops Newark Munich Franz Josef Strauss

$797United Airlines

Wed, Nov 11 - Wed, Nov 18

6:20 am - 8:00 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

20h 40m1 stop Frankfurt am Main

5:35 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 40m1 stop Munich Franz Josef Strauss

$798United Airlines

Wed, Oct 21 - Wed, Feb 24

4:15 pm - 5:00 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

31h 45m1 stop Zurich

5:25 pm - 2:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

13h 50m1 stop Zurich

$798SWISS

Thu, Nov 19 - Sun, Jan 24

3:50 pm - 11:30 amSOF Sofia-IAD Washington, D.C. Dulles Intl

26h 40m1 stop Istanbul

1:30 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

18h 40m1 stop Istanbul

$889Turkish Airlines

Tue, Oct 6 - Tue, Dec 29

3:50 pm - 11:30 amSOF Sofia-IAD Washington, D.C. Dulles Intl

26h 40m1 stop Istanbul

9:20 pm - 8:50 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

16h 30m1 stop Istanbul

$889Turkish Airlines

Tue, Oct 6 - Mon, Dec 28

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Lufthansa flights from Sofia to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets

Lufthansa

Nov 11

SOF6:25 amSofia

16h 30m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Nov 18

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

$757

Lufthansa

Oct 22

SOF6:30 amSofia

16h 35m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Nov 1

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

$769

Lufthansa

Oct 8

SOF6:30 amSofia

14h 05m

1 stop

IAD1:35 pmWashington, D.C. Dulles Intl

Oct 22

IAD5:55 pmWashington, D.C. Dulles Intl

21h 45m

1 stop

SOF10:40 pmSofia

$781

British Airways flights from Sofia to Washington, D.C. Dulles Intl Airport

Our best British Airways deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets

British Airways

Nov 25

SOF9:05 pmSofia

25h 35m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Dec 1

IAD9:45 pmWashington, D.C. Dulles Intl

15h 25m

1 stop

SOF8:10 pmSofia

$777

British Airways

Nov 15

SOF7:45 pmSofia

31h 10m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Jan 21

IAD6:05 pmWashington, D.C. Dulles Intl

18h 15m

1 stop

SOF7:20 pmSofia

$778

British Airways

Nov 6

SOF8:30 pmSofia

26h 10m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Nov 13

IAD8:07 pmWashington, D.C. Dulles Intl

39h 28m

2 stops

SOF6:35 pmSofia

$782

momondo Fare Finder

Use the filters below to find and compare flights from Sofia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Wed 11/11

6:25 am-3:55 pm

1 stop16h 30m

Washington, D.C. Dulles Intl

Wed 11/18

10:55 pm-10:55 pm

1 stop17h 00m

$757

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Thu 10/22

6:30 am-4:05 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Sun 11/1

10:55 pm-10:55 pm

1 stop17h 00m

$769

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Wed 10/7

9:25 pm-5:25 pm

1 stop27h 00m

Washington, D.C. Dulles Intl

Tue 12/29

9:45 pm-8:10 pm

1 stop15h 25m

$776

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Wed 10/7

9:25 pm-8:20 pm

1 stop29h 55m

Washington, D.C. Dulles Intl

Sat 12/26

6:05 pm-6:35 pm

1 stop17h 30m

$776

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Mon 10/5

3:40 pm-4:45 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Sun 10/18

8:20 pm-2:55 pm

1 stop11h 35m

$784

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Wed 11/11

6:25 am-3:55 pm

1 stop16h 30m

Washington, D.C. Dulles Intl

Wed 11/18

12:37 pm-1:15 pm

2 stops17h 38m

$797

Quickest round-trip

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Wed 10/21

6:20 am-8:00 pm

1 stop20h 40m

Washington, D.C. Dulles Intl

Wed 2/24

5:35 pm-1:15 pm

1 stop12h 40m

$798

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Thu 11/19

4:15 pm-5:00 pm

1 stop31h 45m

Washington, D.C. Dulles Intl

Sun 1/24

5:25 pm-2:15 pm

1 stop13h 50m

$798

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Tue 10/6

3:50 pm-11:30 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Tue 12/29

1:30 pm-3:10 pm

1 stop18h 40m

$889

SofiaWashington, D.C.

SOF Sofia - IAD Washington, D.C. Dulles Intl

SOFIAD

Sofia

Tue 10/6

3:50 pm-11:30 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 12/28

9:20 pm-8:50 pm

1 stop16h 30m

$889

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sofia to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Sofia and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $731 to $942.
The lowest price recently found on this route was $638.

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

In general, February is the cheapest month to fly from Sofia to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $474. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $564.

When to book flights from Sofia to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sofia to Washington, D.C. Dulles Intl Airport (SOF to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Washington, D.C. Dulles Intl Airport

Best Price Found	$429
Fastest flight time	16h 30m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Sofia in the past 72 hours is $429. The best round-trip flight deal from Sofia to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $757.

The fastest flight from Sofia to Washington, D.C. Dulles Intl Airport takes 16h 30m

There are no direct flights from Sofia to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Sofia to Washington, D.C. Dulles Intl Airport.

Search flight deals

Frequently asked questions about flying from Sofia to Washington, D.C. Dulles Intl Airport

How far is Sofia to Washington, D.C. Dulles Intl by plane?
There are 4927.8 mi between Sofia and Washington, D.C. Dulles Intl. Typically, this will take 16h 30m by plane in normal conditions.
When did momondo last update prices for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport?
There are 5 operators available for flights from Sofia Airport to Washington, D.C. Dulles Intl Airport as of September 2026.
How old do you have to be to fly from Sofia Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sofia Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sofia to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Sofia to Washington, D.C. Dulles Intl Airport is Turkish Airlines, representing 30% of all bookings. The subsequent popular airlines are Lufthansa at 24%, KLM at 19%, and United Airlines at 18%.

Best airlines flying from Sofia to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Sofia to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $474	Free Cancellation	Rating 7.8 1,576 reviews	Search KLM flights
Turkish Airlines	PriceFrom $632	Free Cancellation	Rating 7.4 4,460 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $652	Free Cancellation	Rating 6.8 8,234 reviews	Search Lufthansa flights
United Airlines	PriceFrom $697	Free Cancellation	Rating 7.4 10,233 reviews	Search United Airlines flights
SWISS	PriceFrom $909	Free Cancellation	Rating 7.5 2,082 reviews	Search SWISS flights

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Fredericksburg

Waldorf

Laurel

Woodbridge

Linthicum Heights

Gaithersburg

Rockville

Silver Spring

Towson

Sterling

Fairfax

Springfield

Glen Burnie

Edgewood

Martinsburg

Why use momondo?

Why should I use momondo to find a flight deal from Sofia to Washington, D.C.?

Finding the right flight to Washington, D.C. from Sofia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Sofia to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Sofia with this policy.

How can momondo help me find flights from Sofia to Washington, D.C.?

Once all potential Sofia to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Sofia to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sofia to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Sofia to Washington, D.C. from $429

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Washington, D.C. departing on 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from Sofia to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets

British Airways flights from Sofia to Washington, D.C. Dulles Intl Airport

Our best British Airways deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Sofia to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sofia to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Sofia and Washington, D.C. Dulles Intl Airport?

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

Which airport is the most popular layover for flights between Sofia and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Sofia to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Sofia to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Sofia to Washington, D.C. Dulles Intl Airport?

When to book flights from Sofia to Washington, D.C. Dulles Intl Airport

Cheap Sofia to Washington, D.C. Dulles Intl Airport (SOF to IAD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Sofia to Washington, D.C. Dulles Intl Airport

Best airlines flying from Sofia to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Sofia to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

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An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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