Find Cheap Flights from Washington to Bulgaria

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington to Bulgaria

(Round-trip)
Depart: Mon Aug 7 2017 Return: Tue Sep 5 2017 Trip spans 30 days
SWISS
SWISS
IAD
12:00a
SOF
7:45p
19h 45m
1 stop
SOF
12:00a
IAD
1:15a
25h 15m
1 stop
Depart: Mon Aug 7 2017 Return: Wed Sep 6 2017 Trip spans 31 days
Lufthansa
Lufthansa
IAD
12:00a
SOF
5:05p
17h 05m
1 stop
SOF
12:00a
IAD
1:05p
13h 05m
1 stop
Depart: Tue Aug 8 2017 Return: Tue Aug 29 2017 Trip spans 22 days
British Airways
British Airways
IAD
12:00a
SOF
12:25p
12h 25m
1 stop
SOF
12:00a
IAD
5:15a
29h 15m
1 stop
Depart: Mon Aug 7 2017 Return: Tue Aug 22 2017 Trip spans 16 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SOF
11:45a
11h 45m
1 stop
SOF
12:00a
IAD
8:40a
32h 40m
2 stops
Depart: Thu Aug 3 2017 Return: Thu Aug 31 2017 Trip spans 29 days
Austrian Airlines
Austrian Airlines
IAD
12:00a
SOF
12:40p
12h 40m
1 stop
SOF
12:00a
IAD
12:50a
24h 50m
1 stop
Depart: Mon Aug 7 2017 Return: Thu Sep 7 2017 Trip spans 32 days
Air France
Air France
DCA
12:00a
SOF
3:22p
15h 22m
2 stops
SOF
12:00a
DCA
4:22p
16h 22m
2 stops
Depart: Wed Aug 9 2017 Return: Wed Sep 6 2017 Trip spans 29 days
Alitalia
Alitalia
DCA
12:00a
SOF
5:15a
29h 15m
2 stops
SOF
12:00a
DCA
4:15p
16h 15m
2 stops
Depart: Sun Aug 6 2017 Return: Mon Sep 4 2017 Trip spans 30 days
$1274
Select
Qatar Airways
Qatar Airways
IAD
12:00a
SOF
3:40p
39h 40m
1 stop
SOF
12:00a
IAD
8:45a
32h 45m
1 stop
Depart: Mon Aug 21 2017 Return: Thu Sep 7 2017 Trip spans 18 days
$1278
Select
Air Canada
Air Canada
DCA
12:00a
SOF
1:55p
13h 55m
2 stops
SOF
12:00a
DCA
4:02p
16h 02m
2 stops
Depart: Tue Aug 8 2017 Return: Tue Sep 5 2017 Trip spans 29 days
SWISS
SWISS
IAD
12:00a
SOF
9:00a
33h 00m
1 stop
SOF
12:00a
IAD
1:15a
25h 15m
1 stop
Depart: Tue Aug 8 2017 Return: Wed Sep 6 2017 Trip spans 30 days
Lufthansa
Lufthansa
IAD
12:00a
SOF
1:00p
13h 00m
1 stop
SOF
12:00a
IAD
1:05p
13h 05m
1 stop
Depart: Mon Aug 7 2017 Return: Thu Aug 31 2017 Trip spans 25 days
Lufthansa
Lufthansa
IAD
12:00a
SOF
5:05p
17h 05m
1 stop
SOF
12:00a
IAD
4:25p
16h 25m
1 stop
Depart: Mon Aug 7 2017 Return: Mon Sep 4 2017 Trip spans 29 days
British Airways
British Airways
IAD
12:00a
SOF
12:25p
12h 25m
1 stop
SOF
12:00a
IAD
5:15a
29h 15m
1 stop
Depart: Mon Aug 7 2017 Return: Mon Aug 21 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SOF
7:45p
19h 45m
1 stop
SOF
12:00a
IAD
4:10a
28h 10m
2 stops
Depart: Fri Aug 4 2017 Return: Thu Aug 31 2017 Trip spans 28 days
Austrian Airlines
Austrian Airlines
IAD
12:00a
SOF
12:40p
12h 40m
1 stop
SOF
12:00a
IAD
12:50a
24h 50m
1 stop
Depart: Tue Aug 8 2017 Return: Thu Aug 31 2017 Trip spans 24 days
Lufthansa
Lufthansa
IAD
12:00a
SOF
5:10p
17h 10m
1 stop
SOF
12:00a
IAD
4:25p
16h 25m
1 stop
Depart: Tue Aug 8 2017 Return: Mon Sep 4 2017 Trip spans 28 days
British Airways
British Airways
IAD
12:00a
SOF
12:25p
12h 25m
1 stop
SOF
12:00a
IAD
5:15a
29h 15m
1 stop
Depart: Sun Aug 6 2017 Return: Mon Sep 4 2017 Trip spans 30 days
$1875
Select
KLM
KLM
DCA
12:00a
SOF
6:28p
18h 28m
2 stops
SOF
12:00a
DCA
6:38p
18h 38m
2 stops
Depart: Sun Aug 6 2017 Return: Wed Aug 23 2017 Trip spans 18 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SOF
5:05p
17h 05m
1 stop
SOF
12:00a
IAD
1:30a
25h 30m
2 stops
Depart: Tue Aug 8 2017 Return: Mon Aug 28 2017 Trip spans 21 days
British Airways
British Airways
IAD
12:00a
SOF
12:25p
12h 25m
1 stop
SOF
12:00a
IAD
5:15a
29h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
only $723
only $907
Destination

Sofia
$723