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Cheap flights from Washington, D.C. Reagan-National Airport to Sofia from $225

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 5/12. 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
6:14 pm - 8:40 pm
DCA
-
SOF
43h 26m2 stops
British Airways Logo
8:00 pm - 10:33 pm
SOF
-
DCA
33h 33m2 stops
$518British Airways
Mon, Mar 30 - Mon, Apr 13
British Airways Logo
6:35 am - 8:40 pm
DCA
-
SOF
55h 05m2 stops
British Airways Logo
8:00 pm - 6:59 am
SOF
-
DCA
41h 59m2 stops
$524British Airways
Mon, Apr 27 - Mon, May 11
British Airways Logo
3:21 pm - 1:30 pm
DCA
-
SOF
39h 09m2 stops
British Airways Logo
8:00 pm - 10:33 pm
SOF
-
DCA
33h 33m2 stops
$548British Airways
Wed, Apr 1 - Mon, Apr 13
British Airways Logo
6:14 pm - 8:40 pm
DCA
-
SOF
19h 26m2 stops
British Airways Logo
8:00 pm - 10:33 pm
SOF
-
DCA
33h 33m2 stops
$559British Airways
Tue, Mar 31 - Mon, Apr 13
KLM Logo
2:00 pm - 2:00 pm
DCA
-
SOF
17h 00m2 stops
KLM Logo
7:00 am - 4:35 pm
SOF
-
DCA
16h 35m2 stops
$564KLM
Tue, Mar 31 - Tue, Apr 14
British Airways Logo
6:35 am - 7:10 pm
DCA
-
SOF
29h 35m2 stops
British Airways Logo
9:10 pm - 10:26 pm
SOF
-
DCA
32h 16m2 stops
$568British Airways
Sun, Apr 26 - Sun, May 10
British Airways Logo
10:30 pm - 8:10 pm
DCA
-
SOF
38h 40m2 stops
British Airways Logo
5:25 pm - 10:05 pm
SOF
-
DCA
35h 40m2 stops
$578British Airways
Mon, Feb 16 - Mon, Mar 2
Air Canada Logo
6:00 am - 6:40 pm
DCA
-
SOF
29h 40m2 stops
Air Canada Logo
6:30 am - 9:53 pm
SOF
-
DCA
22h 23m2 stops
$584Air Canada
Tue, Mar 31 - Thu, Apr 16
Multiple Airlines Logo
6:00 am - 6:20 pm
DCA
-
SOF
29h 20m2 stops
Multiple Airlines Logo
2:00 pm - 9:56 pm
SOF
-
DCA
14h 56m2 stops
$586Multiple Airlines
Wed, Jan 28 - Wed, Feb 11
Air Canada Logo
6:59 am - 12:10 pm
DCA
-
SOF
22h 11m2 stops
Air Canada Logo
6:30 am - 9:53 pm
SOF
-
DCA
22h 23m2 stops
$587Air Canada
Sun, Mar 29 - Thu, Apr 16

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
Feb 14
DCA6:00 pmWashington, D.C. Reagan-National
41h 20m
2 stops
SOF6:20 pmSofia
Feb 21
SOF2:25 pmSofia
50h 56m
2 stops
DCA10:21 amWashington, D.C. Reagan-National
$667
Find similar
United Airlines
Apr 2
DCA11:55 amWashington, D.C. Reagan-National
16h 45m
2 stops
SOF11:40 amSofia
Apr 9
SOF6:10 amSofia
18h 53m
2 stops
DCA6:03 pmWashington, D.C. Reagan-National
$711
Find similar
United Airlines
Jan 15
DCA1:00 pmWashington, D.C. Reagan-National
17h 50m
2 stops
SOF1:50 pmSofia
Jan 19
SOF6:05 amSofia
19h 00m
2 stops
DCA6:05 pmWashington, D.C. Reagan-National
$722
Find similar

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

Our best KLM deals on Washington, D.C. Reagan-National Airport to Sofia flight tickets
KLM
Mar 31
DCA2:00 pmWashington, D.C. Reagan-National
17h 00m
2 stops
SOF2:00 pmSofia
Apr 14
SOF7:00 amSofia
16h 35m
2 stops
DCA4:35 pmWashington, D.C. Reagan-National
$564
Find similar
KLM
Mar 31
DCA1:40 pmWashington, D.C. Reagan-National
17h 20m
2 stops
SOF2:00 pmSofia
Apr 12
SOF7:00 amSofia
17h 49m
2 stops
DCA5:49 pmWashington, D.C. Reagan-National
$695
Find similar
KLM
Feb 14
DCA3:10 pmWashington, D.C. Reagan-National
15h 55m
2 stops
SOF2:05 pmSofia
Feb 21
SOF7:00 amSofia
18h 29m
2 stops
DCA6:29 pmWashington, D.C. Reagan-National
$706
Find similar

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 December 28, 2025.
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 3/30

6:14 pm-8:40 pm

2 stops43h 26m

Sofia

Mon 4/13

8:00 pm-10:33 pm

2 stops33h 33m

$518

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 4/27

6:35 am-8:40 pm

2 stops55h 05m

Sofia

Mon 5/11

8:00 pm-6:59 am

2 stops41h 59m

$524

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 4/1

3:21 pm-1:30 pm

2 stops39h 09m

Sofia

Mon 4/13

8:00 pm-10:33 pm

2 stops33h 33m

$548

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/31

6:14 pm-8:40 pm

2 stops19h 26m

Sofia

Mon 4/13

8:00 pm-10:33 pm

2 stops33h 33m

$559

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/31

2:00 pm-2:00 pm

2 stops17h 00m

Sofia

Tue 4/14

7:00 am-4:35 pm

2 stops16h 35m

$564

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 4/26

6:35 am-7:10 pm

2 stops29h 35m

Sofia

Sun 5/10

9:10 pm-10:26 pm

2 stops32h 16m

$568

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 2/16

10:30 pm-8:10 pm

2 stops38h 40m

Sofia

Mon 3/2

5:25 pm-10:05 pm

2 stops35h 40m

$578

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/31

6:00 am-6:40 pm

2 stops29h 40m

Sofia

Thu 4/16

6:30 am-9:53 pm

2 stops22h 23m

$584

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 1/28

6:00 am-6:20 pm

2 stops29h 20m

Sofia

Wed 2/11

2:00 pm-9:56 pm

2 stops14h 56m

$586

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 3/29

6:59 am-12:10 pm

2 stops22h 11m

Sofia

Thu 4/16

6:30 am-9:53 pm

2 stops22h 23m

$587

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 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 day to depart on your flight to Sofia?

According to our data, Wednesday is the cheapest day to fly to Sofia from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Wednesday departure recently was $876. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. Reagan-National Airport to Sofia on a Saturday will generally be more expensive and average around $1,037. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

14h 31m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sofia takes 14h 31m
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 14h 31m.

  • 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