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Cheap flights from Sofia to Washington, D.C. from $361

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 9/11. 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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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
7:50 pm - 1:55 pmIAD-SOF
12h 05m1 stop
$465
Find Deal
Thu, Sep 11 - Tue, Oct 28
KLM Logo
7:00 am - 3:35 pmSOF-IAD
15h 35m1 stop
KLM Logo
6:05 pm - 2:05 pmIAD-SOF
13h 00m1 stop
$471KLM
Find Deal
Thu, Sep 11 - Sat, Nov 22
Turkish Airlines Logo
3:35 pm - 11:45 amSOF-IAD
27h 10m1 stop
Turkish Airlines Logo
1:30 pm - 9:15 amIAD-SOF
12h 45m1 stop
$571Turkish Airlines
Find Deal
Tue, Sep 9 - Tue, Nov 18
Turkish Airlines Logo
3:35 pm - 7:45 pmSOF-IAD
35h 10m1 stop
Turkish Airlines Logo
1:30 pm - 9:15 amIAD-SOF
12h 45m1 stop
$573Turkish Airlines
Find Deal
Thu, Sep 11 - Tue, Nov 18
United Airlines Logo
6:15 am - 4:18 pmSOF-IAD
17h 03m2 stops
United Airlines Logo
5:40 pm - 1:10 pmIAD-SOF
12h 30m1 stop
$576United Airlines
Find Deal
Wed, Sep 10 - Tue, Nov 18
United Airlines Logo
6:15 am - 4:18 pmSOF-IAD
17h 03m2 stops
United Airlines Logo
6:00 pm - 1:55 pmIAD-SOF
12h 55m1 stop
$578United Airlines
Find Deal
Wed, Sep 10 - Thu, Nov 20
Air Canada Logo
6:15 am - 9:38 amSOF-IAD
34h 23m2 stops
Air Canada Logo
9:55 am - 1:10 pmIAD-SOF
21h 15m2 stops
$580Air Canada
Find Deal
Thu, Sep 11 - Mon, Oct 27
Air Canada Logo
6:15 am - 9:05 pmSOF-IAD
21h 50m2 stops
Air Canada Logo
10:20 am - 11:15 amIAD-SOF
17h 55m2 stops
$582Air Canada
Find Deal
Thu, Sep 4 - Wed, Sep 17
Lufthansa Logo
6:20 am - 8:55 pmSOF-IAD
21h 35m2 stops
Lufthansa Logo
6:40 pm - 1:15 pmIAD-SOF
12h 35m1 stop
$587Lufthansa
Find Deal
Tue, Sep 9 - Thu, Oct 30
Lufthansa Logo
6:35 pm - 8:05 pmSOF-IAD
32h 30m1 stop
Lufthansa Logo
10:20 pm - 11:00 pmIAD-SOF
17h 40m1 stop
$593Lufthansa
Find Deal
Tue, Aug 19 - Sat, Sep 6

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
Sep 9
SOF10:05 amSofia
16h 10m
2 stops
IAD7:15 pmWashington, D.C. Dulles Intl
Oct 30
IAD10:25 pmWashington, D.C. Dulles Intl
14h 50m
2 stops
SOF7:15 pmSofia
$624
Find similar
Air France
Aug 7
SOF7:00 amSofia
19h 15m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Aug 21
IAD6:30 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
SOF2:00 pmSofia
$741
Find similar

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 10
SOF6:15 amSofia
17h 03m
2 stops
IAD4:18 pmWashington, D.C. Dulles Intl
Nov 18
IAD5:40 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
SOF1:10 pmSofia
$576
Find similar
United Airlines
Sep 10
SOF6:15 amSofia
17h 03m
2 stops
IAD4:18 pmWashington, D.C. Dulles Intl
Nov 20
IAD6:00 pmWashington, D.C. Dulles Intl
12h 55m
1 stop
SOF1:55 pmSofia
$578
Find similar
United Airlines
Sep 8
SOF6:15 amSofia
21h 50m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
Oct 27
IAD6:40 pmWashington, D.C. Dulles Intl
12h 30m
1 stop
SOF1:10 pmSofia
$581
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 August 4, 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

Thu 9/11

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 10/28

7:50 pm-1:55 pm

1 stop12h 05m

$465

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/11

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 11/22

6:05 pm-2:05 pm

1 stop13h 00m

$471

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 9/9

3:35 pm-11:45 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Tue 11/18

1:30 pm-9:15 am

1 stop12h 45m

$571

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/11

3:35 pm-7:45 pm

1 stop35h 10m

Washington, D.C. Dulles Intl

Tue 11/18

1:30 pm-9:15 am

1 stop12h 45m

$573

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/10

6:15 am-4:18 pm

2 stops17h 03m

Washington, D.C. Dulles Intl

Tue 11/18

5:40 pm-1:10 pm

1 stop12h 30m

$576

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 9/10

6:15 am-4:18 pm

2 stops17h 03m

Washington, D.C. Dulles Intl

Thu 11/20

6:00 pm-1:55 pm

1 stop12h 55m

$578

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/11

6:15 am-9:38 am

2 stops34h 23m

Washington, D.C. Dulles Intl

Mon 10/27

9:55 am-1:10 pm

2 stops21h 15m

$580

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 9/4

6:15 am-9:05 pm

2 stops21h 50m

Washington, D.C. Dulles Intl

Wed 9/17

10:20 am-11:15 am

2 stops17h 55m

$582

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 9/9

6:20 am-8:55 pm

2 stops21h 35m

Washington, D.C. Dulles Intl

Thu 10/30

6:40 pm-1:15 pm

1 stop12h 35m

$587

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 8/19

6:35 pm-8:05 pm

1 stop32h 30m

Washington, D.C. Dulles Intl

Sat 9/6

10:20 pm-11:00 pm

1 stop17h 40m

$593

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November 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 $579. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $580.

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

Best Price Found

$361

Fastest flight time

12h 25m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Sofia in the past 72 hours is $361. The best round-trip flight deal from Sofia to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $465.
The fastest flight from Sofia to Washington, D.C. Dulles Intl Airport takes 12h 25m
There are no direct flights from Sofia to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Sofia Airport - 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 12h 40m 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
7.8
1,381 reviews
Search KLM flights
LufthansaPriceFrom $572Free CancellationRating
6.8
7,285 reviews
Search Lufthansa flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $614Free CancellationRating
7.3
3,935 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
Winchester
Woodbridge
Laurel
Silver Spring
Tysons
Waldorf
Fredericksburg
Harpers Ferry
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

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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