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Cheap flights from Washington, D.C. Reagan-National Airport to Sofia from $278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Sofia departing on 5/18. 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 Washington, D.C. Reagan-National Airport to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
9:00 pm - 8:30 pm
DCA
-
SOF
40h 30m
2 stops
British Airways Logo
8:10 pm - 11:17 pm
SOF
-
DCA
34h 07m
2 stops
$549British Airways
Mon, Aug 10 - Mon, Aug 24
Multiple Airlines Logo
4:10 pm - 1:15 pm
DCA
-
SOF
15h 05m
2 stops
Multiple Airlines Logo
1:50 pm - 10:43 pm
SOF
-
DCA
15h 53m
2 stops
$559Multiple Airlines
Mon, Mar 23 - Wed, Apr 8
Air Canada Logo
9:40 am - 1:05 pm
DCA
-
SOF
20h 25m
2 stops
Air Canada Logo
6:10 am - 3:39 pm
SOF
-
DCA
16h 29m
2 stops
$569Air Canada
Tue, May 12 - Tue, May 26
Air Canada Logo
11:00 am - 10:40 am
DCA
-
SOF
16h 40m
2 stops
Air Canada Logo
6:20 am - 3:39 pm
SOF
-
DCA
16h 19m
2 stops
$573Air Canada
Wed, May 13 - Wed, May 27
British Airways Logo
5:00 pm - 4:20 pm
DCA
-
SOF
17h 20m
2 stops
British Airways Logo
8:10 pm - 4:37 pm
SOF
-
DCA
27h 27m
2 stops
$579British Airways
Sun, Mar 15 - Mon, Mar 30
Air Canada Logo
4:10 pm - 6:40 pm
DCA
-
SOF
19h 30m
2 stops
Air Canada Logo
6:30 am - 3:30 pm
SOF
-
DCA
16h 00m
2 stops
$585Air Canada
Mon, Mar 30 - Thu, Apr 16
Air Canada Logo
4:10 pm - 6:40 pm
DCA
-
SOF
19h 30m
2 stops
Air Canada Logo
12:55 pm - 3:30 pm
SOF
-
DCA
33h 35m
2 stops
$587Air Canada
Mon, Mar 30 - Wed, Apr 15
Air Canada Logo
6:50 pm - 12:10 pm
DCA
-
SOF
34h 20m
2 stops
Air Canada Logo
6:20 am - 3:30 pm
SOF
-
DCA
16h 10m
2 stops
$590Air Canada
Sun, Mar 29 - Fri, Apr 17
United Airlines Logo
3:30 pm - 1:15 pm
DCA
-
SOF
15h 45m
2 stops
United Airlines Logo
6:10 am - 5:04 pm
SOF
-
DCA
17h 54m
2 stops
$593United Airlines
Tue, Mar 17 - Tue, Mar 31
Air Canada Logo
9:40 am - 12:10 pm
DCA
-
SOF
19h 30m
2 stops
Air Canada Logo
6:20 am - 7:53 pm
SOF
-
DCA
20h 33m
2 stops
$595Air Canada
Wed, Apr 1 - Wed, Apr 15

British Airways flights from Washington, D.C. Reagan-National Airport to Sofia

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Sofia flight tickets
British Airways
Mar 15
DCA5:00 pmWashington, D.C. Reagan-National
17h 20m
2 stops
SOF4:20 pmSofia
Mar 30
SOF8:10 pmSofia
27h 27m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$579
British Airways
Apr 5
DCA5:00 pmWashington, D.C. Reagan-National
19h 20m
2 stops
SOF7:20 pmSofia
Apr 19
SOF9:05 pmSofia
26h 40m
2 stops
DCA4:45 pmWashington, D.C. Reagan-National
$629
British Airways
Apr 1
DCA8:45 pmWashington, D.C. Reagan-National
33h 40m
2 stops
SOF1:25 pmSofia
Apr 15
SOF9:25 pmSofia
28h 33m
2 stops
DCA6:58 pmWashington, D.C. Reagan-National
$646

United Airlines flights from Washington, D.C. Reagan-National Airport to Sofia

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Sofia flight tickets
United Airlines
Mar 17
DCA3:30 pmWashington, D.C. Reagan-National
15h 45m
2 stops
SOF1:15 pmSofia
Mar 31
SOF6:10 amSofia
17h 54m
2 stops
DCA5:04 pmWashington, D.C. Reagan-National
$593
United Airlines
Mar 10
DCA3:25 pmWashington, D.C. Reagan-National
15h 50m
2 stops
SOF1:15 pmSofia
Jun 6
SOF6:20 amSofia
17h 52m
2 stops
DCA5:12 pmWashington, D.C. Reagan-National
$684
United Airlines
Feb 16
DCA3:30 pmWashington, D.C. Reagan-National
14h 45m
2 stops
SOF1:15 pmSofia
Mar 2
SOF1:45 pmSofia
39h 50m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
$705

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Sofia 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 February 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 8/10

9:00 pm-8:30 pm

2 stops40h 30m

Sofia

Mon 8/24

8:10 pm-11:17 pm

2 stops34h 07m

$549

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 3/23

4:10 pm-1:15 pm

2 stops15h 05m

Sofia

Wed 4/8

1:50 pm-10:43 pm

2 stops15h 53m

$559

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 5/12

9:40 am-1:05 pm

2 stops20h 25m

Sofia

Tue 5/26

6:10 am-3:39 pm

2 stops16h 29m

$569

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 5/13

11:00 am-10:40 am

2 stops16h 40m

Sofia

Wed 5/27

6:20 am-3:39 pm

2 stops16h 19m

$573

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/15

5:00 pm-4:20 pm

2 stops17h 20m

Sofia

Mon 3/30

8:10 pm-4:37 pm

2 stops27h 27m

$579

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 3/30

4:10 pm-6:40 pm

2 stops19h 30m

Sofia

Thu 4/16

6:30 am-3:30 pm

2 stops16h 00m

$585

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 3/30

4:10 pm-6:40 pm

2 stops19h 30m

Sofia

Wed 4/15

12:55 pm-3:30 pm

2 stops33h 35m

$587

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/29

6:50 pm-12:10 pm

2 stops34h 20m

Sofia

Fri 4/17

6:20 am-3:30 pm

2 stops16h 10m

$590

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/17

3:30 pm-1:15 pm

2 stops15h 45m

Sofia

Tue 3/31

6:10 am-5:04 pm

2 stops17h 54m

$593

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/1

9:40 am-12:10 pm

2 stops19h 30m

Sofia

Wed 4/15

6:20 am-7:53 pm

2 stops20h 33m

$595

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Sofia from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Sofia

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 airline that flies from Washington, D.C. Reagan-National to Sofia?

United Airlines and Air Canada are the most popular carriers operating from Washington, D.C. Reagan-National to Sofia

When to book flights from Washington, D.C. Reagan-National Airport to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Sofia (DCA to SOF) flight deals and tips

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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sofia takes 16h 10m
There are no direct flights from Washington, D.C. Reagan-National Airport to Sofia. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Sofia.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Sofia by plane?

    The distance between Washington, D.C. Reagan-National and Sofia is about 4915.2 mi. A reasonable flight in good conditions will take 16h 10m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Sofia Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The required travel and health documents for your Sofia Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sofia Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sofia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Sofia. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Sofia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Sofia flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Washington, D.C. and Sofia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Washington, D.C. to Sofia 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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Cabin classes currently available on flights to Sofia

List of cabin classes available on flights landing in Sofia. Availability may vary depending on flight origin and airline.
First Class to Sofia
Business Class to Sofia