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Cheap flights from Washington, D.C. Reagan-National Airport to Sofia from $405

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 7/20. 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

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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.
Air Canada Logo
4:20 pm - 6:40 pm
DCA
-
SOF
19h 20m
2 stops
Air Canada Logo
6:20 am - 9:50 pm
SOF
-
DCA
22h 30m
2 stops
$775Air Canada
Tue, Aug 25 - Wed, Sep 23
Multiple Airlines Logo
3:30 pm - 2:00 pm
DCA
-
SOF
15h 30m
2 stops
Multiple Airlines Logo
7:00 am - 6:05 pm
SOF
-
DCA
18h 05m
2 stops
$780Multiple Airlines
Wed, Oct 7 - Wed, Oct 21
Air Canada Logo
4:20 pm - 11:00 am
DCA
-
SOF
35h 40m
2 stops
Air Canada Logo
6:20 am - 3:40 pm
SOF
-
DCA
16h 20m
2 stops
$787Air Canada
Mon, Aug 31 - Fri, Sep 18
Air Canada Logo
4:20 pm - 6:40 pm
DCA
-
SOF
19h 20m
2 stops
Air Canada Logo
2:20 pm - 3:40 pm
SOF
-
DCA
32h 20m
2 stops
$796Air Canada
Tue, Aug 25 - Mon, Sep 21
Air Canada Logo
4:20 pm - 6:40 pm
DCA
-
SOF
19h 20m
2 stops
Air Canada Logo
6:20 am - 3:40 pm
SOF
-
DCA
16h 20m
2 stops
$805Air Canada
Sun, Aug 30 - Fri, Sep 18
Air Canada Logo
4:20 pm - 11:00 am
DCA
-
SOF
35h 40m
2 stops
Air Canada Logo
2:20 pm - 3:40 pm
SOF
-
DCA
32h 20m
2 stops
$808Air Canada
Mon, Aug 31 - Mon, Sep 21
Air Canada Logo
6:55 pm - 6:40 pm
DCA
-
SOF
40h 45m
2 stops
Air Canada Logo
6:20 am - 9:50 pm
SOF
-
DCA
22h 30m
2 stops
$810Air Canada
Sat, Aug 29 - Fri, Sep 18
Multiple Airlines Logo
6:30 am - 3:30 pm
DCA
-
SOF
26h 00m
2 stops
Multiple Airlines Logo
5:00 am - 10:59 pm
SOF
-
DCA
24h 59m
2 stops
$813Multiple Airlines
Fri, Sep 11 - Mon, Sep 21
British Airways Logo
5:45 pm - 7:20 pm
DCA
-
SOF
18h 35m
2 stops
British Airways Logo
9:25 pm - 6:27 pm
SOF
-
DCA
28h 02m
2 stops
$814British Airways
Sun, Sep 6 - Wed, Sep 30
United Airlines Logo
1:00 pm - 12:10 pm
DCA
-
SOF
16h 10m
2 stops
United Airlines Logo
8:00 am - 10:26 pm
SOF
-
DCA
21h 26m
2 stops
$817United Airlines
Tue, Aug 4 - Tue, Aug 25

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
Aug 4
DCA1:00 pmWashington, D.C. Reagan-National
16h 10m
2 stops
SOF12:10 pmSofia
Aug 25
SOF8:00 amSofia
21h 26m
2 stops
DCA10:26 pmWashington, D.C. Reagan-National
$817
United Airlines
Aug 3
DCA1:00 pmWashington, D.C. Reagan-National
14h 55m
2 stops
SOF10:55 amSofia
Aug 25
SOF8:00 amSofia
21h 26m
2 stops
DCA10:26 pmWashington, D.C. Reagan-National
$829
United Airlines
Oct 7
DCA1:00 pmWashington, D.C. Reagan-National
16h 10m
2 stops
SOF12:10 pmSofia
Oct 21
SOF1:50 pmSofia
15h 44m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
$830

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
May 6
DCA12:59 pmWashington, D.C. Reagan-National
18h 01m
2 stops
SOF2:00 pmSofia
May 13
SOF7:00 amSofia
17h 07m
2 stops
DCA5:07 pmWashington, D.C. Reagan-National
$864
KLM
Aug 10
DCA3:30 pmWashington, D.C. Reagan-National
15h 30m
2 stops
SOF2:00 pmSofia
Aug 18
SOF7:00 amSofia
17h 23m
2 stops
DCA5:23 pmWashington, D.C. Reagan-National
$871
KLM
May 5
DCA12:59 pmWashington, D.C. Reagan-National
18h 01m
2 stops
SOF2:00 pmSofia
May 19
SOF7:00 amSofia
17h 07m
2 stops
DCA5:07 pmWashington, D.C. Reagan-National
$894

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 April 12, 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

Tue 8/25

4:20 pm-6:40 pm

2 stops19h 20m

Sofia

Wed 9/23

6:20 am-9:50 pm

2 stops22h 30m

$775
Quickest round-trip

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 10/7

3:30 pm-2:00 pm

2 stops15h 30m

Sofia

Wed 10/21

7:00 am-6:05 pm

2 stops18h 05m

$780

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 8/31

4:20 pm-11:00 am

2 stops35h 40m

Sofia

Fri 9/18

6:20 am-3:40 pm

2 stops16h 20m

$787

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 8/25

4:20 pm-6:40 pm

2 stops19h 20m

Sofia

Mon 9/21

2:20 pm-3:40 pm

2 stops32h 20m

$796

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 8/30

4:20 pm-6:40 pm

2 stops19h 20m

Sofia

Fri 9/18

6:20 am-3:40 pm

2 stops16h 20m

$805

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 8/31

4:20 pm-11:00 am

2 stops35h 40m

Sofia

Mon 9/21

2:20 pm-3:40 pm

2 stops32h 20m

$808

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 8/29

6:55 pm-6:40 pm

2 stops40h 45m

Sofia

Fri 9/18

6:20 am-9:50 pm

2 stops22h 30m

$810

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 9/11

6:30 am-3:30 pm

2 stops26h 00m

Sofia

Mon 9/21

5:00 am-10:59 pm

2 stops24h 59m

$813

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 9/6

5:45 pm-7:20 pm

2 stops18h 35m

Sofia

Wed 9/30

9:25 pm-6:27 pm

2 stops28h 02m

$814

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 8/4

1:00 pm-12:10 pm

2 stops16h 10m

Sofia

Tue 8/25

8:00 am-10:26 pm

2 stops21h 26m

$817

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?

United Airlines, JetBlue, and British Airways 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 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sofia takes 15h 30m
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 30m.

  • 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