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Cheap flights from Washington, D.C. Reagan-National Airport to Sofia from $467

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 8/3. 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

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
10:16 pm - 8:30 pm
DCA
-
SOF
39h 14m
2 stops
British Airways Logo
8:10 pm - 8:06 pm
SOF
-
DCA
30h 56m
2 stops
$843British Airways
Mon, Sep 7 - Mon, Sep 21
United Airlines Logo
2:00 pm - 1:05 pm
DCA
-
SOF
16h 05m
2 stops
United Airlines Logo
6:20 am - 3:40 pm
SOF
-
DCA
16h 20m
2 stops
$848United Airlines
Tue, Sep 1 - Fri, Oct 23
Multiple Airlines Logo
4:20 pm - 6:40 pm
DCA
-
SOF
19h 20m
2 stops
Multiple Airlines Logo
6:55 pm - 9:50 pm
SOF
-
DCA
33h 55m
2 stops
$849Multiple Airlines
Sun, Sep 6 - Sun, Sep 20
United Airlines Logo
1:01 pm - 12:10 pm
DCA
-
SOF
16h 09m
2 stops
United Airlines Logo
6:10 am - 3:42 pm
SOF
-
DCA
16h 32m
2 stops
$854United Airlines
Mon, Aug 17 - Tue, Aug 25
Multiple Airlines Logo
9:40 am - 1:05 pm
DCA
-
SOF
20h 25m
2 stops
Multiple Airlines Logo
4:05 pm - 9:48 pm
SOF
-
DCA
36h 43m
2 stops
$873Multiple Airlines
Tue, Aug 4 - Tue, Aug 18
Air Canada Logo
4:20 pm - 6:00 pm
DCA
-
SOF
42h 40m
2 stops
Air Canada Logo
6:30 am - 10:18 am
SOF
-
DCA
34h 48m
2 stops
$878Air Canada
Mon, Jul 6 - Thu, Sep 3
United Airlines Logo
6:55 pm - 10:50 pm
DCA
-
SOF
20h 55m
2 stops
United Airlines Logo
1:50 pm - 3:42 pm
SOF
-
DCA
32h 52m
2 stops
$879United Airlines
Wed, Jul 29 - Wed, Aug 12
Air Canada Logo
6:00 am - 6:40 pm
DCA
-
SOF
29h 40m
2 stops
Air Canada Logo
6:20 am - 10:34 pm
SOF
-
DCA
23h 14m
2 stops
$890Air Canada
Sat, Sep 5 - Sat, Sep 19
Multiple Airlines Logo
2:45 pm - 2:00 pm
DCA
-
SOF
16h 15m
2 stops
Multiple Airlines Logo
7:00 am - 4:59 pm
SOF
-
DCA
16h 59m
2 stops
$896Multiple Airlines
Mon, Jul 27 - Tue, Aug 11
British Airways Logo
8:43 pm - 8:10 pm
DCA
-
SOF
40h 27m
2 stops
British Airways Logo
2:15 pm - 9:10 pm
SOF
-
DCA
37h 55m
2 stops
$899British Airways
Fri, Sep 4 - Fri, Sep 18

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Sofia flight tickets
Air Canada
Jul 6
DCA4:20 pmWashington, D.C. Reagan-National
42h 40m
2 stops
SOF6:00 pmSofia
Sep 3
SOF6:30 amSofia
34h 48m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
$878
Air Canada
Sep 5
DCA6:00 amWashington, D.C. Reagan-National
29h 40m
2 stops
SOF6:40 pmSofia
Sep 19
SOF6:20 amSofia
23h 14m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
$890
Air Canada
Oct 10
DCA6:55 pmWashington, D.C. Reagan-National
34h 15m
2 stops
SOF12:10 pmSofia
Oct 24
SOF6:20 amSofia
22h 30m
2 stops
DCA9:50 pmWashington, D.C. Reagan-National
$900

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
Aug 2
DCA12:55 pmWashington, D.C. Reagan-National
18h 05m
2 stops
SOF2:00 pmSofia
Sep 1
SOF7:00 amSofia
16h 34m
2 stops
DCA4:34 pmWashington, D.C. Reagan-National
$894
KLM
Jul 28
DCA3:15 pmWashington, D.C. Reagan-National
15h 45m
2 stops
SOF2:00 pmSofia
Aug 11
SOF7:00 amSofia
16h 59m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National
$901
KLM
Jul 29
DCA3:15 pmWashington, D.C. Reagan-National
15h 45m
2 stops
SOF2:00 pmSofia
Aug 11
SOF7:00 amSofia
16h 59m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National
$951

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 June 9, 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

Cheapest round-trip

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 9/7

10:16 pm-8:30 pm

2 stops39h 14m

Sofia

Mon 9/21

8:10 pm-8:06 pm

2 stops30h 56m

$843
Quickest round-trip

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 9/1

2:00 pm-1:05 pm

2 stops16h 05m

Sofia

Fri 10/23

6:20 am-3:40 pm

2 stops16h 20m

$848

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 9/6

4:20 pm-6:40 pm

2 stops19h 20m

Sofia

Sun 9/20

6:55 pm-9:50 pm

2 stops33h 55m

$849

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 8/17

1:01 pm-12:10 pm

2 stops16h 09m

Sofia

Tue 8/25

6:10 am-3:42 pm

2 stops16h 32m

$854

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 8/4

9:40 am-1:05 pm

2 stops20h 25m

Sofia

Tue 8/18

4:05 pm-9:48 pm

2 stops36h 43m

$873

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 7/6

4:20 pm-6:00 pm

2 stops42h 40m

Sofia

Thu 9/3

6:30 am-10:18 am

2 stops34h 48m

$878

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 7/29

6:55 pm-10:50 pm

2 stops20h 55m

Sofia

Wed 8/12

1:50 pm-3:42 pm

2 stops32h 52m

$879

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 9/5

6:00 am-6:40 pm

2 stops29h 40m

Sofia

Sat 9/19

6:20 am-10:34 pm

2 stops23h 14m

$890

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 7/27

2:45 pm-2:00 pm

2 stops16h 15m

Sofia

Tue 8/11

7:00 am-4:59 pm

2 stops16h 59m

$896

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 9/4

8:43 pm-8:10 pm

2 stops40h 27m

Sofia

Fri 9/18

2:15 pm-9:10 pm

2 stops37h 55m

$899

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

Air France, KLM, and United Airlines 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

15h 45m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sofia takes 15h 45m
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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Sofia

  • 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 15h 45m.

  • 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