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Cheap flights from Sofia to Washington, D.C. from $368

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 2/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 4:05 pmSOF-IAD
16h 05m1 stop
Multiple Airlines Logo
6:50 pm - 2:05 pmIAD-SOF
12h 15m1 stop
$517Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 24
Multiple Airlines Logo
7:00 am - 4:05 pmSOF-IAD
16h 05m1 stop
Multiple Airlines Logo
12:37 pm - 2:05 pmIAD-SOF
18h 28m2 stops
$521Multiple Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 24
KLM Logo
7:00 am - 4:23 pmSOF-IAD
16h 23m2 stops
KLM Logo
3:00 pm - 2:05 pmIAD-SOF
16h 05m2 stops
$537KLM
Find Deal
Wed, Nov 26 - Wed, Jan 7
KLM Logo
7:00 am - 4:35 pmSOF-DCA
16h 35m2 stops
KLM Logo
3:10 pm - 2:05 pmDCA-SOF
15h 55m2 stops
$537KLM
Find Deal
Tue, Nov 25 - Wed, Jan 7
British Airways Logo
2:30 pm - 3:35 pmSOF-IAD
32h 05m1 stop
British Airways Logo
9:45 pm - 8:10 pmIAD-SOF
15h 25m1 stop
$641British Airways
Find Deal
Sun, Nov 23 - Tue, Jan 6
British Airways Logo
9:00 pm - 6:45 pmSOF-BWI
28h 45m1 stop
British Airways Logo
8:35 pm - 1:00 pmBWI-SOF
33h 25m1 stop
$641British Airways
Find Deal
Wed, Dec 3 - Fri, Jan 9
Lufthansa Logo
6:00 am - 3:50 pmSOF-IAD
16h 50m1 stop
Lufthansa Logo
5:40 pm - 1:15 pmIAD-SOF
12h 35m1 stop
$646Lufthansa
Find Deal
Tue, Dec 23 - Thu, Jan 15
Lufthansa Logo
6:10 am - 3:50 pmSOF-IAD
16h 40m1 stop
Lufthansa Logo
10:55 pm - 6:20 pmIAD-SOF
12h 25m1 stop
$658Lufthansa
Find Deal
Fri, Nov 14 - Mon, Nov 24
United Airlines Logo
6:15 am - 3:50 pmSOF-IAD
16h 35m1 stop
United Airlines Logo
10:55 pm - 10:45 pmIAD-SOF
16h 50m1 stop
$662United Airlines
Find Deal
Fri, Oct 24 - Wed, Nov 19
United Airlines Logo
6:00 am - 8:59 pmSOF-IAD
21h 59m2 stops
United Airlines Logo
10:55 pm - 10:45 pmIAD-SOF
16h 50m1 stop
$663United Airlines
Find Deal
Tue, Dec 2 - Sat, Jan 10

KLM flights from Sofia to Washington, D.C.

Our best KLM deals on Sofia to Washington, D.C. flight tickets
KLM
Nov 26
SOF7:00 amSofia
16h 23m
2 stops
IAD4:23 pmWashington, D.C. Dulles Intl
Jan 7
IAD3:00 pmWashington, D.C. Dulles Intl
16h 05m
2 stops
SOF2:05 pmSofia
$537
Find similar
KLM
Oct 22
SOF7:00 amSofia
15h 35m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Nov 19
IAD6:05 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
SOF2:05 pmSofia
$558
Find similar
KLM
Oct 23
SOF7:00 amSofia
16h 29m
2 stops
IAD4:29 pmWashington, D.C. Dulles Intl
Nov 19
IAD6:05 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
SOF2:05 pmSofia
$568
Find similar

British Airways flights from Sofia to Washington, D.C.

Our best British Airways deals on Sofia to Washington, D.C. flight tickets
British Airways
Nov 23
SOF2:30 pmSofia
32h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Jan 6
IAD9:45 pmWashington, D.C. Dulles Intl
15h 25m
1 stop
SOF8:10 pmSofia
$641
Find similar
British Airways
Dec 3
SOF9:00 pmSofia
28h 45m
1 stop
BWI6:45 pmBaltimore/Washington
Jan 8
BWI8:35 pmBaltimore/Washington
31h 40m
1 stop
SOF11:15 amSofia
$671
Find similar
British Airways
Mar 1
SOF2:30 pmSofia
25h 58m
2 stops
DCA9:28 amWashington, D.C. Reagan-National
Mar 21
DCA6:00 amWashington, D.C. Reagan-National
25h 00m
2 stops
SOF1:00 pmSofia
$675
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sofia to Washington, D.C. 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 October 13, 2025.
Use the filters below to find and compare flights from Sofia to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 11/14

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 11/24

6:50 pm-2:05 pm

1 stop12h 15m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 11/10

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 11/24

12:37 pm-2:05 pm

2 stops18h 28m

$521

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 11/26

7:00 am-4:23 pm

2 stops16h 23m

Washington, D.C. Dulles Intl

Wed 1/7

3:00 pm-2:05 pm

2 stops16h 05m

$537

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Tue 11/25

7:00 am-4:35 pm

2 stops16h 35m

Washington, D.C. Reagan-National

Wed 1/7

3:10 pm-2:05 pm

2 stops15h 55m

$537

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 11/23

2:30 pm-3:35 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Tue 1/6

9:45 pm-8:10 pm

1 stop15h 25m

$641

SofiaBaltimore

SOF - BWI

SOFBWI

Sofia

Wed 12/3

9:00 pm-6:45 pm

1 stop28h 45m

Baltimore/Washington

Fri 1/9

8:35 pm-1:00 pm

1 stop33h 25m

$641

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 12/23

6:00 am-3:50 pm

1 stop16h 50m

Washington, D.C. Dulles Intl

Thu 1/15

5:40 pm-1:15 pm

1 stop12h 35m

$646

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 11/14

6:10 am-3:50 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

Mon 11/24

10:55 pm-6:20 pm

1 stop12h 25m

$658

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 10/24

6:15 am-3:50 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Wed 11/19

10:55 pm-10:45 pm

1 stop16h 50m

$662

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 12/2

6:00 am-8:59 pm

2 stops21h 59m

Washington, D.C. Dulles Intl

Sat 1/10

10:55 pm-10:45 pm

1 stop16h 50m

$663

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.

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 cheapest month to fly to Washington, D.C.?

The month of June is, on average, the cheapest month to fly to Washington, D.C. from Sofia, with most prices found around $590. If you’re not able to fly to Washington, D.C. in June, then September is your next best option. Flight prices from Sofia to Washington, D.C. during September average around $613.

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

On average, the least expensive day to fly to Washington, D.C. from Sofia is on a Monday. momondo users have found tickets for Monday departures for as low as $618. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sofia to Washington, D.C. for around $846.

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

In the evening is the cheapest time of day to fly from Sofia to Washington, D.C. when you can find flight prices for as low as $629. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $697. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Sofia to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Washington, D.C. 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. (SOF to WAS) flight deals and tips

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

Direct flights

None
There are no direct flights from Sofia to Washington, D.C.. There are no popular flight routes from Sofia to Washington, D.C..
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  • How far is Sofia to Washington, D.C. by plane?

    The distance between Sofia and Washington, D.C. is about 4912.7 mi. Typically, this will take 12h 40m by plane in normal conditions.

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

    Prices for flights from Sofia Airport to Washington, D.C. are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sofia to Washington, D.C.?

Best airlines flying from Sofia to Washington, D.C.

Compare and see reviews for airlines that fly from Sofia to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $520Free CancellationRating
7.7
1,402 reviews
Search KLM flights
LufthansaPriceFrom $572Free CancellationRating
6.8
7,479 reviews
Search Lufthansa flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
8,973 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $614Free CancellationRating
7.3
4,006 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Fairfax
Reston
Gaithersburg
Glen Burnie
Linthicum Heights
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. All flights to Washington, D.C. from Sofia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sofia to Washington, D.C..

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

Of course. momondo tracks the price of Sofia to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport