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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 6/2. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
6:15 pm - 2:00 pm
IAD
-
SOF
12h 45m
1 stop
$663Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
9:45 pm - 2:00 pm
IAD
-
SOF
33h 15m
1 stop
$664Multiple Airlines
Tue, Jun 2 - Mon, Jun 8
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
6:15 pm - 2:00 pm
IAD
-
SOF
12h 45m
1 stop
$666Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
9:45 pm - 2:00 pm
IAD
-
SOF
33h 15m
1 stop
$667Multiple Airlines
Sun, May 24 - Sat, May 30
Multiple Airlines Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
Multiple Airlines Logo
6:15 pm - 2:00 pm
IAD
-
SOF
12h 45m
1 stop
$668Multiple Airlines
Thu, May 21 - Sat, May 30
KLM Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
KLM Logo
5:40 pm - 2:00 pm
IAD
-
SOF
13h 20m
1 stop
$671KLM
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
7:00 am - 4:54 pm
SOF
-
IAD
16h 54m
2 stops
Multiple Airlines Logo
6:15 pm - 2:00 pm
IAD
-
SOF
12h 45m
1 stop
$673Multiple Airlines
Thu, May 21 - Sat, May 30
Multiple Airlines Logo
7:00 am - 4:31 pm
SOF
-
IAD
16h 31m
2 stops
Multiple Airlines Logo
9:45 pm - 2:00 pm
IAD
-
SOF
33h 15m
1 stop
$674Multiple Airlines
Tue, Jun 2 - Mon, Jun 8
KLM Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
KLM Logo
1:32 pm - 2:00 pm
IAD
-
SOF
17h 28m
2 stops
$676KLM
Sat, May 23 - Sat, May 30
KLM Logo
7:00 am - 4:54 pm
SOF
-
IAD
16h 54m
2 stops
KLM Logo
1:32 pm - 2:00 pm
IAD
-
SOF
17h 28m
2 stops
$679KLM
Thu, May 21 - Sat, May 30

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

Our best United Airlines deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jun 24
SOF6:20 amSofia
16h 35m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Jul 23
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
SOF6:40 pmSofia
$798
United Airlines
May 24
SOF1:50 pmSofia
13h 10m
1 stop
IAD8:00 pmWashington, D.C. Dulles Intl
Jun 24
IAD5:20 pmWashington, D.C. Dulles Intl
17h 45m
1 stop
SOF6:05 pmSofia
$799
United Airlines
Jun 25
SOF6:30 amSofia
19h 31m
2 stops
IAD7:01 pmWashington, D.C. Dulles Intl
Jul 9
IAD10:20 pmWashington, D.C. Dulles Intl
17h 55m
1 stop
SOF11:15 pmSofia
$802

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
May 21
SOF6:30 amSofia
14h 05m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
May 30
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
SOF6:40 pmSofia
$791
Lufthansa
Jun 8
SOF6:20 amSofia
15h 55m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Jun 26
IAD10:15 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
SOF10:30 pmSofia
$796

momondo Fare Finder

 
Customize your flight search to find flights from Sofia to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated May 11, 2026.
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
Quickest round-trip

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 5/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

6:15 pm-2:00 pm

1 stop12h 45m

$663

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 6/2

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 6/8

9:45 pm-2:00 pm

1 stop33h 15m

$664

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 5/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

6:15 pm-2:00 pm

1 stop12h 45m

$666

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 5/24

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

9:45 pm-2:00 pm

1 stop33h 15m

$667

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 5/21

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

6:15 pm-2:00 pm

1 stop12h 45m

$668

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 5/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

5:40 pm-2:00 pm

1 stop13h 20m

$671

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 5/21

7:00 am-4:54 pm

2 stops16h 54m

Washington, D.C. Dulles Intl

Sat 5/30

6:15 pm-2:00 pm

1 stop12h 45m

$673

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 6/2

7:00 am-4:31 pm

2 stops16h 31m

Washington, D.C. Dulles Intl

Mon 6/8

9:45 pm-2:00 pm

1 stop33h 15m

$674

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 5/23

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 5/30

1:32 pm-2:00 pm

2 stops17h 28m

$676

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 5/21

7:00 am-4:54 pm

2 stops16h 54m

Washington, D.C. Dulles Intl

Sat 5/30

1:32 pm-2:00 pm

2 stops17h 28m

$679

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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?

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 $556. 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 $560.

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

Fastest flight time

15h 35m

Direct flights

None
The fastest flight from Sofia to Washington, D.C. Dulles Intl Airport takes 15h 35m
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 15h 35m 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?

  • 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?

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
Air FrancePriceFrom $470Free CancellationRating
7.4
1,587 reviews
Search Air France flights
KLMPriceFrom $474Free CancellationRating
7.8
1,514 reviews
Search KLM flights
LufthansaPriceFrom $591Free CancellationRating
6.8
7,992 reviews
Search Lufthansa flights
United AirlinesPriceFrom $667Free CancellationRating
7.4
9,700 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $671Free CancellationRating
7.4
4,360 reviews
Search Turkish Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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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