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Cheap flights from Washington, D.C. Reagan-National Airport to Sofia from $463

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 12/30. 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.
Multiple Airlines Logo
4:10 pm - 1:15 pmDCA-SOF
14h 05m2 stops
Multiple Airlines Logo
2:00 pm - 9:56 pmSOF-DCA
14h 56m2 stops
$504Multiple Airlines
Find Deal
Mon, Nov 17 - Wed, Dec 3
Air Canada Logo
11:05 am - 6:20 pmDCA-SOF
24h 15m2 stops
Air Canada Logo
6:10 am - 3:31 pmSOF-DCA
16h 21m2 stops
$528Air Canada
Find Deal
Wed, Nov 19 - Wed, Dec 3
Air Canada Logo
4:10 pm - 1:15 pmDCA-SOF
14h 05m2 stops
Air Canada Logo
6:25 am - 3:31 pmSOF-DCA
16h 06m2 stops
$529Air Canada
Find Deal
Sat, Jan 17 - Sat, Jan 31
Air Canada Logo
11:05 am - 1:15 pmDCA-SOF
19h 10m2 stops
Air Canada Logo
1:55 pm - 10:26 amSOF-DCA
27h 31m2 stops
$530Air Canada
Find Deal
Mon, Dec 1 - Mon, Dec 15
United Airlines Logo
7:00 pm - 6:20 pmDCA-SOF
16h 20m2 stops
United Airlines Logo
6:00 am - 3:31 pmSOF-DCA
16h 31m2 stops
$532United Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
United Airlines Logo
8:40 pm - 10:45 pmDCA-SOF
43h 05m2 stops
United Airlines Logo
2:35 pm - 8:55 amSOF-DCA
25h 20m2 stops
$541United Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
British Airways Logo
9:16 pm - 1:00 pmDCA-SOF
33h 44m2 stops
British Airways Logo
2:20 pm - 7:40 amSOF-DCA
24h 20m2 stops
$649British Airways
Find Deal
Fri, Mar 20 - Fri, Apr 3
United Airlines Logo
6:00 pm - 6:00 pmDCA-SOF
18h 00m2 stops
United Airlines Logo
2:20 pm - 4:59 pmSOF-DCA
32h 39m2 stops
$676United Airlines
Find Deal
Thu, Mar 12 - Mon, Mar 16
British Airways Logo
10:00 pm - 11:15 amDCA-SOF
54h 15m2 stops
British Airways Logo
9:00 pm - 4:26 pmSOF-DCA
26h 26m2 stops
$679British Airways
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Wed, Feb 18 - Wed, Mar 4
KLM Logo
5:00 pm - 2:05 pmDCA-SOF
15h 05m2 stops
KLM Logo
7:00 am - 6:06 pmSOF-DCA
41h 06m2 stops
$701KLM
Find Deal
Thu, Mar 12 - Mon, Mar 16

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
Nov 19
DCA11:05 amWashington, D.C. Reagan-National
24h 15m
2 stops
SOF6:20 pmSofia
Dec 3
SOF6:10 amSofia
16h 21m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$528
Find similar
Air Canada
Jan 17
DCA4:10 pmWashington, D.C. Reagan-National
14h 05m
2 stops
SOF1:15 pmSofia
Jan 31
SOF6:25 amSofia
16h 06m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$529
Find similar
Air Canada
Dec 1
DCA11:05 amWashington, D.C. Reagan-National
19h 10m
2 stops
SOF1:15 pmSofia
Dec 15
SOF1:55 pmSofia
27h 31m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
$530
Find similar

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
Dec 2
DCA7:00 pmWashington, D.C. Reagan-National
16h 20m
2 stops
SOF6:20 pmSofia
Dec 9
SOF6:00 amSofia
16h 31m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$532
Find similar
United Airlines
Dec 4
DCA8:40 pmWashington, D.C. Reagan-National
43h 05m
2 stops
SOF10:45 pmSofia
Dec 11
SOF2:35 pmSofia
25h 20m
2 stops
DCA8:55 amWashington, D.C. Reagan-National
$541
Find similar
United Airlines
Oct 22
DCA12:00 pmWashington, D.C. Reagan-National
17h 00m
2 stops
SOF12:00 pmSofia
Nov 5
SOF6:10 amSofia
16h 21m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$632
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 October 20, 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 11/17

4:10 pm-1:15 pm

2 stops14h 05m

Sofia

Wed 12/3

2:00 pm-9:56 pm

2 stops14h 56m

$504

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 11/19

11:05 am-6:20 pm

2 stops24h 15m

Sofia

Wed 12/3

6:10 am-3:31 pm

2 stops16h 21m

$528

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 1/17

4:10 pm-1:15 pm

2 stops14h 05m

Sofia

Sat 1/31

6:25 am-3:31 pm

2 stops16h 06m

$529

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 12/1

11:05 am-1:15 pm

2 stops19h 10m

Sofia

Mon 12/15

1:55 pm-10:26 am

2 stops27h 31m

$530

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 12/2

7:00 pm-6:20 pm

2 stops16h 20m

Sofia

Tue 12/9

6:00 am-3:31 pm

2 stops16h 31m

$532

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 12/4

8:40 pm-10:45 pm

2 stops43h 05m

Sofia

Thu 12/11

2:35 pm-8:55 am

2 stops25h 20m

$541

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Fri 3/20

9:16 pm-1:00 pm

2 stops33h 44m

Sofia

Fri 4/3

2:20 pm-7:40 am

2 stops24h 20m

$649

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 3/12

6:00 pm-6:00 pm

2 stops18h 00m

Sofia

Mon 3/16

2:20 pm-4:59 pm

2 stops32h 39m

$676

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 2/18

10:00 pm-11:15 am

2 stops54h 15m

Sofia

Wed 3/4

9:00 pm-4:26 pm

2 stops26h 26m

$679

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 3/12

5:00 pm-2:05 pm

2 stops15h 05m

Sofia

Mon 3/16

7:00 am-6:06 pm

2 stops41h 06m

$701

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Sofia when you can find flight prices for as low as $623. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,053 per ticket.

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

Direct flights

None
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.
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  • 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 05m.

  • 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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