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Cheap flights from Sofia to Washington, D.C. from $379

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 1/12. 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 - 4:05 pm
SOF
-
IAD
16h 05m1 stop
Multiple Airlines Logo
6:50 pm - 1:55 pm
IAD
-
SOF
12h 05m1 stop
$546Multiple Airlines
Tue, Jan 20 - Tue, Mar 3
KLM Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m1 stop
KLM Logo
6:10 pm - 2:00 pm
IAD
-
SOF
12h 50m1 stop
$549KLM
Thu, Apr 9 - Wed, Apr 15
Multiple Airlines Logo
7:00 am - 4:05 pm
SOF
-
IAD
16h 05m1 stop
Multiple Airlines Logo
12:35 pm - 1:55 pm
IAD
-
SOF
18h 20m2 stops
$550Multiple Airlines
Tue, Jan 20 - Tue, Mar 3
KLM Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m1 stop
KLM Logo
1:00 pm - 2:00 pm
IAD
-
SOF
18h 00m2 stops
$554KLM
Thu, Apr 9 - Wed, Apr 15
Multiple Airlines Logo
7:00 am - 7:09 pm
SOF
-
IAD
19h 09m2 stops
Multiple Airlines Logo
12:35 pm - 1:55 pm
IAD
-
SOF
18h 20m2 stops
$561Multiple Airlines
Tue, Jan 20 - Tue, Mar 3
KLM Logo
7:00 am - 4:05 pm
SOF
-
IAD
16h 05m1 stop
KLM Logo
12:30 pm - 2:00 pm
IAD
-
SOF
18h 30m2 stops
$567KLM
Wed, Feb 25 - Wed, Jun 3
KLM Logo
7:00 am - 6:36 pm
SOF
-
IAD
18h 36m2 stops
KLM Logo
12:30 pm - 2:00 pm
IAD
-
SOF
18h 30m2 stops
$577KLM
Wed, Feb 25 - Wed, Jun 3
Multiple Airlines Logo
7:00 am - 7:01 pm
SOF
-
IAD
19h 01m2 stops
Multiple Airlines Logo
6:50 pm - 1:55 pm
IAD
-
SOF
12h 05m1 stop
$597Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
KLM Logo
7:00 am - 4:05 pm
SOF
-
IAD
16h 05m1 stop
KLM Logo
6:10 pm - 2:00 pm
IAD
-
SOF
12h 50m1 stop
$649KLM
Wed, Feb 25 - Wed, Jun 3
Air France Logo
7:00 am - 4:35 pm
SOF
-
IAD
16h 35m1 stop
Air France Logo
7:50 pm - 2:05 pm
IAD
-
SOF
12h 15m1 stop
$664Air France
Mon, Dec 29 - Wed, Mar 11

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

Our best KLM deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets
KLM
Apr 9
SOF7:00 amSofia
15h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Apr 15
IAD6:10 pmWashington, D.C. Dulles Intl
12h 50m
1 stop
SOF2:00 pmSofia
$549
Find similar
KLM
Apr 9
SOF7:00 amSofia
15h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Apr 15
IAD1:00 pmWashington, D.C. Dulles Intl
18h 00m
2 stops
SOF2:00 pmSofia
$554
Find similar
KLM
Apr 9
SOF7:00 amSofia
18h 30m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Apr 15
IAD1:00 pmWashington, D.C. Dulles Intl
18h 00m
2 stops
SOF2:00 pmSofia
$565
Find similar

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

Our best Air France deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets
Air France
Dec 23
SOF7:10 amSofia
16h 25m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Jan 22
IAD6:50 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
SOF1:55 pmSofia
$640
Find similar
Air France
Dec 29
SOF7:00 amSofia
16h 35m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:50 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
SOF2:05 pmSofia
$664
Find similar
Air France
Dec 19
SOF7:00 amSofia
19h 30m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Jan 14
IAD6:50 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
SOF2:05 pmSofia
$680
Find similar

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 December 18, 2025.
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

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 1/20

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/3

6:50 pm-1:55 pm

1 stop12h 05m

$546

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:10 pm-2:00 pm

1 stop12h 50m

$549

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 1/20

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/3

12:35 pm-1:55 pm

2 stops18h 20m

$550

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

1:00 pm-2:00 pm

2 stops18h 00m

$554

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 1/20

7:00 am-7:09 pm

2 stops19h 09m

Washington, D.C. Dulles Intl

Tue 3/3

12:35 pm-1:55 pm

2 stops18h 20m

$561

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 6/3

12:30 pm-2:00 pm

2 stops18h 30m

$567

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-6:36 pm

2 stops18h 36m

Washington, D.C. Dulles Intl

Wed 6/3

12:30 pm-2:00 pm

2 stops18h 30m

$577

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 1/31

7:00 am-7:01 pm

2 stops19h 01m

Washington, D.C. Dulles Intl

Sat 2/7

6:50 pm-1:55 pm

1 stop12h 05m

$597

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 2/25

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 6/3

6:10 pm-2:00 pm

1 stop12h 50m

$649

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 12/29

7:00 am-4:35 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Wed 3/11

7:50 pm-2:05 pm

1 stop12h 15m

$664

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $598. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $615.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $606. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sofia to Washington, D.C. Dulles Intl Airport for around $805.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Sofia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $622 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $745 on average. Flights to Washington, D.C. Dulles Intl Airport from Sofia in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

  • 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
KLMPriceFrom $520Free CancellationRating
7.7
1,428 reviews
Search KLM flights
Air FrancePriceFrom $533Free CancellationRating
7.4
1,507 reviews
Search Air France flights
LufthansaPriceFrom $584Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $621Free CancellationRating
7.3
4,102 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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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