Cheap flights from Washington, D.C. to Sofia from $313

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. to Sofia departing on 5/10. 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. to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:20 pm - 6:40 pm
IAD
-
SOF
13h 20m
1 stop
Lufthansa Logo
12:55 pm - 7:25 pm
SOF
-
IAD
13h 30m
1 stop
$537Lufthansa
Wed, Apr 1 - Wed, Apr 15
Turkish Airlines Logo
1:20 pm - 8:15 pm
IAD
-
SOF
23h 55m
1 stop
Turkish Airlines Logo
9:35 am - 7:50 pm
SOF
-
IAD
17h 15m
1 stop
$538Turkish Airlines
Tue, Mar 31 - Wed, Apr 29
Turkish Airlines Logo
1:30 pm - 3:10 pm
IAD
-
SOF
18h 40m
1 stop
Turkish Airlines Logo
4:00 pm - 12:45 pm
SOF
-
IAD
26h 45m
1 stop
$544Turkish Airlines
Thu, Mar 5 - Thu, Mar 19
Lufthansa Logo
11:55 pm - 6:20 pm
IAD
-
SOF
12h 25m
1 stop
Lufthansa Logo
12:55 pm - 7:25 pm
SOF
-
IAD
13h 30m
1 stop
$547Lufthansa
Mon, Mar 23 - Wed, Apr 8
British Airways Logo
9:00 pm - 8:30 pm
DCA
-
SOF
40h 30m
2 stops
British Airways Logo
8:10 pm - 11:17 pm
SOF
-
DCA
34h 07m
2 stops
$549British Airways
Mon, Aug 10 - Mon, Aug 24
Air Canada Logo
9:40 am - 1:05 pm
DCA
-
SOF
20h 25m
2 stops
Air Canada Logo
6:10 am - 3:39 pm
SOF
-
DCA
16h 29m
2 stops
$569Air Canada
Tue, May 12 - Tue, May 26
Air Canada Logo
11:00 am - 10:40 am
DCA
-
SOF
16h 40m
2 stops
Air Canada Logo
6:20 am - 3:39 pm
SOF
-
DCA
16h 19m
2 stops
$573Air Canada
Wed, May 13 - Wed, May 27
British Airways Logo
9:30 pm - 8:30 pm
BWI
-
SOF
16h 00m
1 stop
British Airways Logo
9:25 pm - 7:40 pm
SOF
-
BWI
29h 15m
1 stop
$576British Airways
Tue, Mar 31 - Wed, Apr 15
United Airlines Logo
5:12 pm - 10:45 pm
BWI
-
SOF
23h 33m
2 stops
United Airlines Logo
6:20 am - 9:23 pm
SOF
-
BWI
22h 03m
2 stops
$593United Airlines
Mon, Mar 23 - Wed, Apr 8
United Airlines Logo
3:30 pm - 1:15 pm
DCA
-
SOF
15h 45m
2 stops
United Airlines Logo
6:10 am - 5:04 pm
SOF
-
DCA
17h 54m
2 stops
$593United Airlines
Tue, Mar 17 - Tue, Mar 31

Lufthansa flights from Washington, D.C. to Sofia

Our best Lufthansa deals on Washington, D.C. to Sofia flight tickets
Lufthansa
Aug 10
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
SOF6:40 pmSofia
Aug 24
SOF7:00 pmSofia
25h 35m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$525
Lufthansa
May 13
IAD10:20 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
SOF11:00 pmSofia
May 27
SOF6:20 amSofia
14h 15m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$533
Lufthansa
Apr 1
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
SOF6:40 pmSofia
Apr 15
SOF12:55 pmSofia
13h 30m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$537

Turkish Airlines flights from Washington, D.C. to Sofia

Our best Turkish Airlines deals on Washington, D.C. to Sofia flight tickets
Turkish Airlines
Feb 16
IAD9:15 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SOF3:10 pmSofia
Mar 5
SOF9:40 pmSofia
21h 05m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$538
Turkish Airlines
Mar 5
IAD1:30 pmWashington, D.C. Dulles Intl
18h 40m
1 stop
SOF3:10 pmSofia
Mar 19
SOF4:00 pmSofia
26h 45m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
$544
Turkish Airlines
Mar 4
IAD1:30 pmWashington, D.C. Dulles Intl
24h 20m
1 stop
SOF8:50 pmSofia
Mar 18
SOF4:00 pmSofia
34h 20m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$546

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 February 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 4/1

10:20 pm-6:40 pm

1 stop13h 20m

Sofia

Wed 4/15

12:55 pm-7:25 pm

1 stop13h 30m

$537

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 3/31

1:20 pm-8:15 pm

1 stop23h 55m

Sofia

Wed 4/29

9:35 am-7:50 pm

1 stop17h 15m

$538

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 3/5

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Thu 3/19

4:00 pm-12:45 pm

1 stop26h 45m

$544

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 3/23

11:55 pm-6:20 pm

1 stop12h 25m

Sofia

Wed 4/8

12:55 pm-7:25 pm

1 stop13h 30m

$547

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Mon 8/10

9:00 pm-8:30 pm

2 stops40h 30m

Sofia

Mon 8/24

8:10 pm-11:17 pm

2 stops34h 07m

$549

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 5/12

9:40 am-1:05 pm

2 stops20h 25m

Sofia

Tue 5/26

6:10 am-3:39 pm

2 stops16h 29m

$569

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Wed 5/13

11:00 am-10:40 am

2 stops16h 40m

Sofia

Wed 5/27

6:20 am-3:39 pm

2 stops16h 19m

$573

BaltimoreSofia

BWI - SOF

BWISOF

Baltimore/Washington

Tue 3/31

9:30 pm-8:30 pm

1 stop16h 00m

Sofia

Wed 4/15

9:25 pm-7:40 pm

1 stop29h 15m

$576

BaltimoreSofia

BWI - SOF

BWISOF

Baltimore/Washington

Mon 3/23

5:12 pm-10:45 pm

2 stops23h 33m

Sofia

Wed 4/8

6:20 am-9:23 pm

2 stops22h 03m

$593

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Tue 3/17

3:30 pm-1:15 pm

2 stops15h 45m

Sofia

Tue 3/31

6:10 am-5:04 pm

2 stops17h 54m

$593

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. 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 month to fly to Sofia?

The cheapest month to fly to Sofia from Washington, D.C. is in January. Flight prices, which tend to average around $607, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Sofia from Washington, D.C. during September instead. Flights to Sofia in September, while not as cheap as those in January, still average around $608.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $793 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Washington, D.C. for as low as $729 on momondo.

Can stopping save me money on Washington, D.C. to Sofia flights?

You could potentially save up to 20% on your flight if you consider stops on a Washington, D.C. to Sofia flight.

When to book flights from Washington, D.C. to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Sofia (WAS to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sofia

Fastest flight time

12h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Sofia takes 12h 15m
There are no direct flights from Washington, D.C. to Sofia. There are no popular flight routes from Washington, D.C. to Sofia.
  • How far is Washington, D.C. to Sofia by plane?

    The straight-line distance from Washington, D.C. to Sofia is 4912.7 mi. A reasonable flight in good conditions will take 12h 15m.

  • When did momondo last update prices for flights from Washington, D.C. to Sofia Airport?

    Prices for flights from Washington, D.C. to Sofia Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Sofia Airport?

  • How old do you have to be to fly from Washington, D.C. to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Sofia?

Best airlines flying from Washington, D.C. to Sofia

Compare and see reviews for airlines that fly from Washington, D.C. to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $529Free CancellationRating
7.3
4,213 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $660Free CancellationRating
6.8
7,777 reviews
Search Lufthansa flights
United AirlinesPriceFrom $666Free CancellationRating
7.4
9,274 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $866Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights
ITA AirwaysPriceFrom $1,062Free CancellationRating
6.7
1,146 reviews
Search ITA Airways flights

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?

Finding the right flight to Sofia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Sofia with flexible booking policies on momondo?

Yes. All flights to Sofia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Sofia?

Once all potential Washington, D.C. to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Sofia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.

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Fri 3/13
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