Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sofia to Washington, D.C. from $438

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 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
$622Multiple Airlines
Wed, Sep 9 - Thu, Sep 24
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
$625Multiple Airlines
Mon, Sep 14 - Mon, Oct 5
Multiple Airlines Logo
7:00 am - 5:12 pm
SOF
-
IAD
17h 12m
2 stops
Multiple Airlines Logo
6:15 pm - 2:00 pm
IAD
-
SOF
12h 45m
1 stop
$631Multiple Airlines
Wed, Sep 9 - Thu, Sep 24
Multiple Airlines Logo
7:00 am - 7:35 pm
SOF
-
IAD
19h 35m
1 stop
Multiple Airlines Logo
6:20 pm - 2:05 pm
IAD
-
SOF
12h 45m
1 stop
$636Multiple Airlines
Wed, Sep 30 - Wed, Dec 2
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
$640KLM
Thu, Sep 17 - Sat, Apr 3
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
$644KLM
Thu, Sep 17 - Sat, Apr 3
Multiple Airlines Logo
7:00 am - 4:05 pm
SOF
-
IAD
16h 05m
1 stop
Multiple Airlines Logo
6:20 pm - 2:05 pm
IAD
-
SOF
12h 45m
1 stop
$645Multiple Airlines
Wed, Sep 30 - Wed, Dec 2
KLM Logo
7:00 am - 5:46 pm
SOF
-
IAD
17h 46m
2 stops
KLM Logo
6:20 pm - 2:05 pm
IAD
-
SOF
12h 45m
1 stop
$648KLM
Wed, Sep 30 - Wed, Dec 2
KLM Logo
7:00 am - 3:35 pm
SOF
-
IAD
15h 35m
1 stop
KLM Logo
12:30 pm - 2:00 pm
IAD
-
SOF
18h 30m
2 stops
$649KLM
Thu, Sep 17 - Sat, Apr 3
KLM Logo
7:00 am - 5:46 pm
SOF
-
IAD
17h 46m
2 stops
KLM Logo
12:30 pm - 2:05 pm
IAD
-
SOF
18h 35m
2 stops
$653KLM
Wed, Sep 30 - Wed, Dec 2

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Our best Turkish Airlines deals on Sofia to Washington, D.C. Dulles Intl Airport flight tickets
Turkish Airlines
Jul 15
SOF9:10 pmSofia
21h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Aug 4
IAD1:20 pmWashington, D.C. Dulles Intl
24h 00m
1 stop
SOF8:20 pmSofia
$740
Turkish Airlines
Jul 15
SOF9:10 pmSofia
21h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Jul 28
IAD1:20 pmWashington, D.C. Dulles Intl
12h 25m
1 stop
SOF8:45 amSofia
$745
Turkish Airlines
Jul 21
SOF3:50 pmSofia
26h 45m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Aug 6
IAD9:45 pmWashington, D.C. Dulles Intl
34h 15m
1 stop
SOF3:00 pmSofia
$747

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
Sep 14
SOF6:20 amSofia
14h 15m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
Oct 5
IAD1:10 pmWashington, D.C. Dulles Intl
16h 00m
2 stops
SOF12:10 pmSofia
$722
United Airlines
Sep 9
SOF1:50 pmSofia
17h 54m
2 stops
IAD12:44 amWashington, D.C. Dulles Intl
Sep 24
IAD12:38 pmWashington, D.C. Dulles Intl
16h 02m
2 stops
SOF11:40 amSofia
$726
United Airlines
Sep 14
SOF2:20 pmSofia
17h 24m
2 stops
IAD12:44 amWashington, D.C. Dulles Intl
Oct 5
IAD1:10 pmWashington, D.C. Dulles Intl
16h 00m
2 stops
SOF12:10 pmSofia
$728

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 June 27, 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

Wed 9/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Thu 9/24

6:15 pm-2:00 pm

1 stop12h 45m

$622

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 9/14

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 10/5

6:15 pm-2:00 pm

1 stop12h 45m

$625

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/9

7:00 am-5:12 pm

2 stops17h 12m

Washington, D.C. Dulles Intl

Thu 9/24

6:15 pm-2:00 pm

1 stop12h 45m

$631

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/30

7:00 am-7:35 pm

1 stop19h 35m

Washington, D.C. Dulles Intl

Wed 12/2

6:20 pm-2:05 pm

1 stop12h 45m

$636

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/17

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 4/3

5:40 pm-2:00 pm

1 stop13h 20m

$640

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/17

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 4/3

5:40 pm-2:00 pm

1 stop13h 20m

$644

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/30

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Wed 12/2

6:20 pm-2:05 pm

1 stop12h 45m

$645

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/30

7:00 am-5:46 pm

2 stops17h 46m

Washington, D.C. Dulles Intl

Wed 12/2

6:20 pm-2:05 pm

1 stop12h 45m

$648

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/17

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 4/3

12:30 pm-2:00 pm

2 stops18h 30m

$649

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/30

7:00 am-5:46 pm

2 stops17h 46m

Washington, D.C. Dulles Intl

Wed 12/2

12:30 pm-2:05 pm

2 stops18h 35m

$653

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, March 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 $564. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $626.

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
7.5
1,614 reviews
Search Air France flights
KLMPriceFrom $474Free CancellationRating
7.8
1,531 reviews
Search KLM flights
LufthansaPriceFrom $599Free CancellationRating
6.8
8,102 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $671Free CancellationRating
7.4
4,425 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $689Free CancellationRating
7.4
9,900 reviews
Search United Airlines flights
SWISSPriceFrom $909Free CancellationRating
7.5
1,976 reviews
Search SWISS 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
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.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/27
Mon 8/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.