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Cheap flights from Washington, D.C. Dulles Intl Airport to Bulgaria from $340

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. Dulles Intl Airport to Bulgaria departing on 5/7. 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. Dulles Intl Airport to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:45 pm - 3:00 pm
IAD
-
SOF
34h 15m
1 stop
Turkish Airlines Logo
9:35 am - 11:35 am
SOF
-
IAD
33h 00m
1 stop
$550Turkish Airlines
Sun, Aug 30 - Tue, Sep 15
Turkish Airlines Logo
1:20 pm - 3:00 pm
IAD
-
SOF
18h 40m
1 stop
Turkish Airlines Logo
3:50 pm - 11:35 am
SOF
-
IAD
26h 45m
1 stop
$551Turkish Airlines
Tue, Sep 15 - Wed, Sep 23
Turkish Airlines Logo
9:45 pm - 8:15 pm
IAD
-
SOF
15h 30m
1 stop
Turkish Airlines Logo
9:05 pm - 11:35 am
SOF
-
IAD
21h 30m
1 stop
$552Turkish Airlines
Wed, Aug 19 - Tue, Sep 15
SWISS Logo
8:20 pm - 8:10 pm
IAD
-
VAR
16h 50m
1 stop
SWISS Logo
9:10 pm - 4:45 pm
VAR
-
IAD
26h 35m
1 stop
$772SWISS
Mon, Jul 6 - Tue, Aug 18
Multiple Airlines Logo
1:20 pm - 9:40 pm
IAD
-
BOJ
25h 20m
2 stops
Multiple Airlines Logo
10:15 pm - 7:50 pm
BOJ
-
IAD
52h 35m
2 stops
$807Multiple Airlines
Wed, Aug 26 - Wed, Sep 16
Multiple Airlines Logo
5:25 pm - 3:15 pm
IAD
-
BOJ
14h 50m
1 stop
Multiple Airlines Logo
12:35 pm - 7:25 pm
BOJ
-
IAD
13h 50m
1 stop
$922Multiple Airlines
Wed, Aug 26 - Wed, Sep 16
Austrian Airlines Logo
5:25 pm - 3:05 pm
IAD
-
BOJ
14h 40m
1 stop
Austrian Airlines Logo
1:05 pm - 2:35 pm
BOJ
-
IAD
32h 30m
1 stop
$939Austrian Airlines
Fri, Aug 14 - Sun, Aug 30
Austrian Airlines Logo
5:25 pm - 3:05 pm
IAD
-
BOJ
14h 40m
1 stop
Austrian Airlines Logo
1:05 pm - 2:35 pm
BOJ
-
IAD
32h 30m
1 stop
$989Austrian Airlines
Fri, Aug 14 - Sun, Aug 30
Lufthansa Logo
10:20 pm - 8:25 am
IAD
-
BOJ
27h 05m
2 stops
Lufthansa Logo
9:50 am - 11:55 am
BOJ
-
IAD
33h 05m
2 stops
$1,083Lufthansa
Fri, Aug 14 - Sun, Aug 30
Lufthansa Logo
10:20 pm - 8:25 am
IAD
-
BOJ
27h 05m
2 stops
Lufthansa Logo
9:50 am - 11:55 am
BOJ
-
IAD
33h 05m
2 stops
$1,104Lufthansa
Fri, Aug 14 - Sun, Aug 30

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Bulgaria

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Bulgaria flight tickets
Turkish Airlines
Sep 15
IAD9:45 pmWashington, D.C. Dulles Intl
34h 15m
1 stop
SOF3:00 pmSofia
Sep 23
SOF9:05 pmSofia
29h 45m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
$550
Turkish Airlines
Sep 15
IAD1:20 pmWashington, D.C. Dulles Intl
18h 40m
1 stop
SOF3:00 pmSofia
Sep 23
SOF3:50 pmSofia
26h 45m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$551
Turkish Airlines
Sep 8
IAD9:45 pmWashington, D.C. Dulles Intl
15h 30m
1 stop
SOF8:15 pmSofia
Sep 22
SOF9:35 amSofia
33h 00m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$552

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Bulgaria

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Bulgaria flight tickets
TAP AIR PORTUGAL
Sep 9
IAD10:35 pmWashington, D.C. Dulles Intl
17h 15m
2 stops
SOF10:50 pmSofia
Sep 23
SOF1:50 pmSofia
32h 20m
2 stops
IAD3:10 pmWashington, D.C. Dulles Intl
$689
TAP AIR PORTUGAL
Sep 8
IAD5:05 pmWashington, D.C. Dulles Intl
22h 45m
2 stops
SOF10:50 pmSofia
Sep 22
SOF6:40 pmSofia
27h 30m
2 stops
IAD3:10 pmWashington, D.C. Dulles Intl
$698
TAP AIR PORTUGAL
Sep 8
IAD5:05 pmWashington, D.C. Dulles Intl
22h 45m
2 stops
SOF10:50 pmSofia
Sep 22
SOF6:40 pmSofia
27h 30m
2 stops
IAD3:10 pmWashington, D.C. Dulles Intl
$699

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 8/30

9:45 pm-3:00 pm

1 stop34h 15m

Sofia

Tue 9/15

9:35 am-11:35 am

1 stop33h 00m

$550

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/15

1:20 pm-3:00 pm

1 stop18h 40m

Sofia

Wed 9/23

3:50 pm-11:35 am

1 stop26h 45m

$551

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 8/19

9:45 pm-8:15 pm

1 stop15h 30m

Sofia

Tue 9/15

9:05 pm-11:35 am

1 stop21h 30m

$552

Washington, D.C.Varna

IAD - VAR

IADVAR

Washington, D.C. Dulles Intl

Mon 7/6

8:20 pm-8:10 pm

1 stop16h 50m

Varna

Tue 8/18

9:10 pm-4:45 pm

1 stop26h 35m

$772

Washington, D.C.Burgas

IAD - BOJ

IADBOJ

Washington, D.C. Dulles Intl

Wed 8/26

1:20 pm-9:40 pm

2 stops25h 20m

Bourgas

Wed 9/16

10:15 pm-7:50 pm

2 stops52h 35m

$807
Quickest round-trip

Washington, D.C.Burgas

IAD - BOJ

IADBOJ

Washington, D.C. Dulles Intl

Wed 8/26

5:25 pm-3:15 pm

1 stop14h 50m

Bourgas

Wed 9/16

12:35 pm-7:25 pm

1 stop13h 50m

$922

Washington, D.C.Burgas

IAD - BOJ

IADBOJ

Washington, D.C. Dulles Intl

Fri 8/14

5:25 pm-3:05 pm

1 stop14h 40m

Bourgas

Sun 8/30

1:05 pm-2:35 pm

1 stop32h 30m

$939

Washington, D.C.Burgas

IAD - BOJ

IADBOJ

Washington, D.C. Dulles Intl

Fri 8/14

5:25 pm-3:05 pm

1 stop14h 40m

Bourgas

Sun 8/30

1:05 pm-2:35 pm

1 stop32h 30m

$989

Washington, D.C.Burgas

IAD - BOJ

IADBOJ

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-8:25 am

2 stops27h 05m

Bourgas

Sun 8/30

9:50 am-11:55 am

2 stops33h 05m

$1,083

Washington, D.C.Burgas

IAD - BOJ

IADBOJ

Washington, D.C. Dulles Intl

Fri 8/14

10:20 pm-8:25 am

2 stops27h 05m

Bourgas

Sun 8/30

9:50 am-11:55 am

2 stops33h 05m

$1,104

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 Bulgaria from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $657.

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

You are more likely to see cheaper flights to Bulgaria from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $786 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Washington, D.C. Dulles Intl Airport for as low as $654 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Bulgaria flights?

You could potentially save up to 63% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Bulgaria flight.

Cheap Washington, D.C. Dulles Intl Airport to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Bulgaria

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Bulgaria takes 12h 10m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Bulgaria. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Bulgaria.
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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Bulgaria

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Bulgaria are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents you'll need for your trip to Bulgaria 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 Bulgaria. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Bulgaria

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $522Free CancellationRating
7.3
4,304 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $637Free CancellationRating
7.4
9,573 reviews
Search United Airlines flights
LufthansaPriceFrom $650Free CancellationRating
6.8
7,913 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $781Free CancellationRating
7.6
904 reviews
Search Austrian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bulgaria?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Bulgaria. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Washington, D.C. to Bulgaria on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Bulgaria flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Washington, D.C. to Bulgaria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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