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Cheap flights from Washington, D.C. Reagan-National Airport to Sofia from $482

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.
Air Canada Logo
6:00 am - 6:20 pmDCA-SOF
29h 20m2 stops
Air Canada Logo
6:10 am - 9:58 pmSOF-DCA
21h 48m2 stops
$578Air Canada
Find Deal
Wed, Mar 4 - Wed, Mar 18
Air Canada Logo
6:00 am - 6:20 pmDCA-SOF
29h 20m2 stops
Air Canada Logo
2:15 pm - 6:05 pmSOF-DCA
34h 50m2 stops
$585Air Canada
Find Deal
Wed, Jan 28 - Tue, Feb 10
Multiple Airlines Logo
6:00 am - 6:20 pmDCA-SOF
29h 20m2 stops
Multiple Airlines Logo
7:55 am - 10:23 amSOF-DCA
33h 28m2 stops
$596Multiple Airlines
Find Deal
Wed, Jan 28 - Tue, Feb 10
United Airlines Logo
3:30 pm - 1:15 pmDCA-SOF
15h 45m2 stops
United Airlines Logo
8:00 am - 5:48 pmSOF-DCA
16h 48m2 stops
$610United Airlines
Find Deal
Mon, Mar 23 - Fri, Apr 3
Multiple Airlines Logo
6:00 pm - 6:20 pmDCA-SOF
17h 20m2 stops
Multiple Airlines Logo
7:55 am - 7:13 pmSOF-DCA
18h 18m3 stops
$623Multiple Airlines
Find Deal
Wed, Jan 28 - Tue, Feb 10
United Airlines Logo
3:30 pm - 1:15 pmDCA-SOF
14h 45m2 stops
United Airlines Logo
6:00 am - 3:31 pmSOF-DCA
16h 31m2 stops
$631United Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
British Airways Logo
5:45 pm - 8:10 pmDCA-SOF
19h 25m2 stops
British Airways Logo
5:25 pm - 6:56 pmSOF-DCA
32h 31m2 stops
$647British Airways
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Tue, Nov 18 - Mon, Nov 24
KLM Logo
11:00 am - 2:05 pmDCA-SOF
21h 05m2 stops
KLM Logo
7:00 am - 6:06 pmSOF-DCA
41h 06m2 stops
$701KLM
Find Deal
Thu, Mar 12 - Mon, Mar 16
British Airways Logo
1:30 pm - 1:00 pmDCA-SOF
16h 30m2 stops
British Airways Logo
12:05 pm - 9:29 amSOF-DCA
27h 24m2 stops
$713British Airways
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Sat, Mar 7 - Sat, Mar 21
KLM Logo
11:00 am - 2:05 pmDCA-SOF
21h 05m2 stops
KLM Logo
7:00 am - 11:08 pmSOF-DCA
46h 08m2 stops
$766KLM
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Thu, Mar 12 - Mon, Mar 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
Mar 23
DCA3:30 pmWashington, D.C. Reagan-National
15h 45m
2 stops
SOF1:15 pmSofia
Apr 3
SOF8:00 amSofia
16h 48m
2 stops
DCA5:48 pmWashington, D.C. Reagan-National
$610
Find similar
United Airlines
Nov 18
DCA3:30 pmWashington, D.C. Reagan-National
14h 45m
2 stops
SOF1:15 pmSofia
Nov 25
SOF6:00 amSofia
16h 31m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$631
Find similar
United Airlines
Nov 7
DCA1:10 pmWashington, D.C. Reagan-National
17h 05m
2 stops
SOF1:15 pmSofia
Nov 23
SOF6:10 amSofia
16h 21m
2 stops
DCA3:31 pmWashington, D.C. Reagan-National
$749
Find similar

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
Mar 4
DCA6:00 amWashington, D.C. Reagan-National
29h 20m
2 stops
SOF6:20 pmSofia
Mar 18
SOF6:10 amSofia
21h 48m
2 stops
DCA9:58 pmWashington, D.C. Reagan-National
$578
Find similar
Air Canada
Jan 28
DCA6:00 amWashington, D.C. Reagan-National
29h 20m
2 stops
SOF6:20 pmSofia
Feb 10
SOF2:15 pmSofia
34h 50m
2 stops
DCA6:05 pmWashington, D.C. Reagan-National
$585
Find similar
Air Canada
Nov 26
DCA6:00 amWashington, D.C. Reagan-National
29h 00m
2 stops
SOF6:00 pmSofia
Dec 10
SOF2:00 pmSofia
14h 56m
2 stops
DCA9:56 pmWashington, D.C. Reagan-National
$592
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 November 6, 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

Wed 3/4

6:00 am-6:20 pm

2 stops29h 20m

Sofia

Wed 3/18

6:10 am-9:58 pm

2 stops21h 48m

$578

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

Tue 2/10

2:15 pm-6:05 pm

2 stops34h 50m

$585

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

Tue 2/10

7:55 am-10:23 am

2 stops33h 28m

$596

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 3/23

3:30 pm-1:15 pm

2 stops15h 45m

Sofia

Fri 4/3

8:00 am-5:48 pm

2 stops16h 48m

$610

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 1/28

6:00 pm-6:20 pm

2 stops17h 20m

Sofia

Tue 2/10

7:55 am-7:13 pm

3 stops18h 18m

$623

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 11/18

3:30 pm-1:15 pm

2 stops14h 45m

Sofia

Tue 11/25

6:00 am-3:31 pm

2 stops16h 31m

$631

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 11/18

5:45 pm-8:10 pm

2 stops19h 25m

Sofia

Mon 11/24

5:25 pm-6:56 pm

2 stops32h 31m

$647

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 3/12

11:00 am-2:05 pm

2 stops21h 05m

Sofia

Mon 3/16

7:00 am-6:06 pm

2 stops41h 06m

$701

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sat 3/7

1:30 pm-1:00 pm

2 stops16h 30m

Sofia

Sat 3/21

12:05 pm-9:29 am

2 stops27h 24m

$713

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Thu 3/12

11:00 am-2:05 pm

2 stops21h 05m

Sofia

Mon 3/16

7:00 am-11:08 pm

2 stops46h 08m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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.

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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