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Cheap flights from Sofia to Washington, D.C. from $409

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 9/2. 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

Logo
7:00 am - 3:35 pmSOF-IAD
15h 35m1 stop
Logo
6:30 pm - 2:00 pmIAD-SOF
12h 30m1 stop
$493
Find Deal
Thu, Sep 4 - Wed, Sep 17
Logo
7:00 am - 3:35 pmSOF-IAD
15h 35m1 stop
Logo
6:30 pm - 2:00 pmIAD-SOF
12h 30m1 stop
$496
Find Deal
Mon, Sep 22 - Fri, Oct 3
KLM Logo
7:00 am - 3:35 pmSOF-IAD
15h 35m1 stop
KLM Logo
6:05 pm - 2:05 pmIAD-SOF
13h 00m1 stop
$498KLM
Find Deal
Fri, Sep 5 - Fri, Nov 14
Turkish Airlines Logo
9:25 am - 7:45 pmSOF-IAD
17h 20m1 stop
Turkish Airlines Logo
1:30 pm - 2:45 pmIAD-SOF
18h 15m1 stop
$548Turkish Airlines
Find Deal
Sun, Oct 19 - Fri, Oct 24
United Airlines Logo
6:15 am - 3:15 pmSOF-IAD
16h 00m1 stop
United Airlines Logo
5:33 pm - 6:20 pmIAD-SOF
17h 47m2 stops
$576United Airlines
Find Deal
Fri, Sep 5 - Fri, Nov 14
United Airlines Logo
6:15 am - 9:05 pmSOF-IAD
21h 50m2 stops
United Airlines Logo
6:10 pm - 1:15 pmIAD-SOF
12h 05m1 stop
$580United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Lufthansa Logo
6:15 am - 3:50 pmSOF-IAD
16h 35m1 stop
Lufthansa Logo
6:00 pm - 1:50 pmIAD-SOF
12h 50m1 stop
$586Lufthansa
Find Deal
Fri, Oct 3 - Fri, Dec 5
Lufthansa Logo
6:35 pm - 3:15 pmSOF-IAD
27h 40m1 stop
Lufthansa Logo
10:20 pm - 11:00 pmIAD-SOF
17h 40m1 stop
$598Lufthansa
Find Deal
Tue, Aug 19 - Sat, Sep 6
Austrian Airlines Logo
8:00 am - 2:35 pmSOF-IAD
13h 35m1 stop
Austrian Airlines Logo
6:40 pm - 6:10 pmIAD-SOF
16h 30m2 stops
$616Austrian Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 17
Austrian Airlines Logo
6:55 pm - 3:30 pmSOF-IAD
27h 35m2 stops
Austrian Airlines Logo
6:40 pm - 6:10 pmIAD-SOF
16h 30m2 stops
$666Austrian Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 17

United Airlines flights from Sofia to Washington, D.C.

Our best United Airlines deals on Sofia to Washington, D.C. flight tickets
United Airlines
Sep 5
SOF6:15 amSofia
16h 00m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Nov 14
IAD5:33 pmWashington, D.C. Dulles Intl
17h 47m
2 stops
SOF6:20 pmSofia
$576
Find similar
United Airlines
Oct 1
SOF6:15 amSofia
21h 50m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
Oct 8
IAD6:10 pmWashington, D.C. Dulles Intl
12h 05m
1 stop
SOF1:15 pmSofia
$580
Find similar
United Airlines
Oct 1
SOF6:15 amSofia
18h 48m
2 stops
DCA6:03 pmWashington, D.C. Reagan-National
Oct 8
DCA2:00 pmWashington, D.C. Reagan-National
16h 15m
2 stops
SOF1:15 pmSofia
$586
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
Aug 11
SOF8:00 pmSofia
30h 59m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
Aug 20
DCA7:20 pmWashington, D.C. Reagan-National
35h 10m
2 stops
SOF1:30 pmSofia
$585
Find similar
British Airways
Aug 11
SOF8:00 pmSofia
30h 59m
2 stops
DCA7:59 pmWashington, D.C. Reagan-National
Aug 19
DCA6:30 amWashington, D.C. Reagan-National
31h 10m
2 stops
SOF8:40 pmSofia
$614
Find similar
British Airways
Aug 8
SOF2:20 pmSofia
24h 29m
2 stops
DCA7:49 amWashington, D.C. Reagan-National
Aug 20
DCA7:20 pmWashington, D.C. Reagan-National
35h 10m
2 stops
SOF1:30 pmSofia
$648
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 July 31, 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

Thu 9/4

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 9/17

6:30 pm-2:00 pm

1 stop12h 30m

$493

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 9/22

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 10/3

6:30 pm-2:00 pm

1 stop12h 30m

$496

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 9/5

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 11/14

6:05 pm-2:05 pm

1 stop13h 00m

$498

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 10/19

9:25 am-7:45 pm

1 stop17h 20m

Washington, D.C. Dulles Intl

Fri 10/24

1:30 pm-2:45 pm

1 stop18h 15m

$548

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 9/5

6:15 am-3:15 pm

1 stop16h 00m

Washington, D.C. Dulles Intl

Fri 11/14

5:33 pm-6:20 pm

2 stops17h 47m

$576

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 10/1

6:15 am-9:05 pm

2 stops21h 50m

Washington, D.C. Dulles Intl

Wed 10/8

6:10 pm-1:15 pm

1 stop12h 05m

$580

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Fri 10/3

6:15 am-3:50 pm

1 stop16h 35m

Washington, D.C. Dulles Intl

Fri 12/5

6:00 pm-1:50 pm

1 stop12h 50m

$586

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 8/19

6:35 pm-3:15 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Sat 9/6

10:20 pm-11:00 pm

1 stop17h 40m

$598

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/4

8:00 am-2:35 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Wed 9/17

6:40 pm-6:10 pm

2 stops16h 30m

$616

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/4

6:55 pm-3:30 pm

2 stops27h 35m

Washington, D.C. Dulles Intl

Wed 9/17

6:40 pm-6:10 pm

2 stops16h 30m

$666

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 typical price of a round-trip flight between Sofia and Washington, D.C.?

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 March is your next best option. Flight prices from Sofia to Washington, D.C. during March average around $597.

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.

Best Price Found

$409

Fastest flight time

13h 05m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Sofia in the past 72 hours is $409. The best round-trip flight deal from Sofia to Washington, D.C. found on momondo in the last 72 hours is $493.
The fastest flight from Sofia to Washington, D.C. takes 13h 05m
There are no direct flights from Sofia to Washington, D.C.. Popular non-direct routes for this connection are Sofia Airport - Washington, D.C. Dulles Intl Airport, Sofia Airport - Baltimore/Washington Airport and Sofia Airport - Washington, D.C. Reagan-National Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
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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 13h 05m 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
7.8
1,383 reviews
Search KLM flights
LufthansaPriceFrom $572Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $614Free CancellationRating
7.3
3,933 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
Arlington
National Harbor
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
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.

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

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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