What airlines fly to Bulgaria?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Bulgaria from Washington, D.C. Dulles Intl Airport according to our data. Lufthansa is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 4 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Bulgaria?

British Airways, United Airlines, and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl 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 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.

$321 Cheap Flights from Washington, D.C. Dulles Intl Airport to Bulgaria in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Bulgaria

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

16h 10m1 stop Madrid Barajas

5:40 am - 4:20 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 40m1 stop Madrid Barajas

$595Multiple Airlines

Mon, Nov 23 - Thu, Dec 3

7:00 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SOF Sofia

10h 50m1 stop Vienna Intl

3:00 pm - 5:00 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

33h 00m1 stop Zurich

$612Multiple Airlines

Sun, Oct 25 - Mon, Nov 2

11:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

2:00 pm - 8:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 05m1 stop Munich Franz Josef Strauss

$614Lufthansa

Tue, Oct 27 - Tue, Nov 10

11:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

6:00 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 55m2 stops Munich Franz Josef Strauss Frankfurt am Main

$641Lufthansa

Tue, Oct 27 - Tue, Nov 10

1:15 pm - 8:30 amIAD Washington, D.C. Dulles Intl-VAR Varna

12h 15m1 stop Istanbul

9:40 am - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

33h 05m1 stop Istanbul

$688Turkish Airlines

Mon, Oct 12 - Tue, Oct 27

1:15 pm - 9:25 pmIAD Washington, D.C. Dulles Intl-VAR Varna

25h 10m1 stop Istanbul

9:40 am - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

33h 05m1 stop Istanbul

$688Turkish Airlines

Wed, Oct 14 - Tue, Oct 27

6:00 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SOF Sofia

10h 50m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$701Austrian Airlines

Sun, Nov 8 - Sun, Nov 15

6:10 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

22h 45m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$711Austrian Airlines

Tue, Dec 29 - Tue, Jan 12

5:35 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 40m1 stop Munich Franz Josef Strauss

6:25 am - 2:35 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

15h 10m1 stop Frankfurt am Main

$713United Airlines

Wed, Dec 30 - Wed, Jan 13

6:00 am - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

24h 15m2 stops Newark Munich Franz Josef Strauss

6:25 am - 2:35 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

15h 10m1 stop Frankfurt am Main

$723United Airlines

Mon, Feb 15 - Wed, Feb 17

Cheap last minute flights

Enter your travel dates to find the best prices.

9:40 pm - 8:30 amIAD Washington, D.C. Dulles Intl-VAR Varna

27h 50m1 stop Istanbul

9:40 pm - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

21h 05m1 stop Istanbul

$791Turkish Airlines

Mon, Oct 5 - Thu, Oct 29

9:40 pm - 8:30 amIAD Washington, D.C. Dulles Intl-VAR Varna

27h 50m1 stop Istanbul

9:40 am - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

33h 05m1 stop Istanbul

$791Turkish Airlines

Mon, Oct 5 - Tue, Oct 27

10:20 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

13h 20m1 stop Munich Franz Josef Strauss

6:25 am - 4:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$964Lufthansa

Mon, Oct 5 - Wed, Oct 28

10:20 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

13h 20m1 stop Munich Franz Josef Strauss

6:25 am - 4:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$964Lufthansa

Mon, Oct 5 - Tue, Oct 27

5:45 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

14h 35m1 stop Vienna Intl

6:20 am - 1:35 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

14h 15m1 stop Frankfurt am Main

$976Multiple Airlines

Fri, Oct 2 - Fri, Oct 23

3:25 pm - 3:15 pmIAD Washington, D.C. Dulles Intl-VAR Varna

16h 50m2 stops Frankfurt am Main Vienna Intl

4:00 pm - 2:00 pmVAR Varna-IAD Washington, D.C. Dulles Intl

29h 00m1 stop Vienna Intl

$980Multiple Airlines

Sun, Oct 4 - Tue, Oct 13

3:47 pm - 3:15 pmIAD Washington, D.C. Dulles Intl-VAR Varna

40h 28m2 stops Chicago O'Hare Intl Vienna Intl

4:00 pm - 3:10 pmVAR Varna-IAD Washington, D.C. Dulles Intl

29h 10m1 stop Vienna Intl

$1,025Austrian Airlines

Mon, Oct 5 - Wed, Oct 28

4:02 pm - 3:15 pmIAD Washington, D.C. Dulles Intl-VAR Varna

40h 13m2 stops Chicago O'Hare Intl Vienna Intl

4:00 pm - 3:10 pmVAR Varna-IAD Washington, D.C. Dulles Intl

29h 10m1 stop Vienna Intl

$1,025Austrian Airlines

Sat, Oct 3 - Tue, Oct 27

10:05 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

18h 10m2 stops London Heathrow Munich Franz Josef Strauss

6:10 am - 8:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

21h 15m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$1,050United Airlines

Fri, Oct 2 - Fri, Oct 23

6:35 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

21h 40m2 stops London Heathrow Munich Franz Josef Strauss

2:10 pm - 12:57 amSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 47m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,051United Airlines

Fri, Oct 2 - Fri, Oct 23

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Bulgaria flight tickets

United Airlines

Dec 30

IAD5:35 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

SOF1:15 pmSofia

Jan 13

SOF6:25 amSofia

15h 10m

1 stop

IAD2:35 pmWashington, D.C. Dulles Intl

$713

United Airlines

Feb 15

IAD6:00 amWashington, D.C. Dulles Intl

24h 15m

2 stops

SOF1:15 pmSofia

Feb 17

SOF6:25 amSofia

15h 10m

1 stop

IAD2:35 pmWashington, D.C. Dulles Intl

$723

United Airlines

Feb 15

IAD6:00 amWashington, D.C. Dulles Intl

24h 15m

2 stops

SOF1:15 pmSofia

Feb 17

SOF6:25 amSofia

16h 55m

2 stops

IAD4:20 pmWashington, D.C. Dulles Intl

$726

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

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Bulgaria flight tickets

Lufthansa

Oct 27

IAD11:55 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SOF6:20 pmSofia

Nov 10

SOF2:00 pmSofia

13h 05m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$614

Lufthansa

Oct 27

IAD11:55 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SOF6:20 pmSofia

Nov 10

SOF6:00 amSofia

16h 55m

2 stops

IAD3:55 pmWashington, D.C. Dulles Intl

$641

Lufthansa

Dec 9

IAD10:55 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SOF6:20 pmSofia

Jan 6

SOF7:05 pmSofia

27h 50m

2 stops

IAD3:55 pmWashington, D.C. Dulles Intl

$670

momondo Fare Finder

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 Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Mon 11/23

5:50 pm-5:00 pm

1 stop16h 10m

Sofia

Thu 12/3

5:40 am-4:20 pm

1 stop17h 40m

$595

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Sun 10/25

7:00 pm-11:50 am

1 stop10h 50m

Sofia

Mon 11/2

3:00 pm-5:00 pm

1 stop33h 00m

$612

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 10/27

11:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 11/10

2:00 pm-8:05 pm

1 stop13h 05m

$614

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 10/27

11:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 11/10

6:00 am-3:55 pm

2 stops16h 55m

$641

Washington, D.C.Varna

IAD Washington, D.C. Dulles Intl - VAR Varna

IADVAR

Washington, D.C. Dulles Intl

Mon 10/12

1:15 pm-8:30 am

1 stop12h 15m

Varna

Tue 10/27

9:40 am-12:45 pm

1 stop33h 05m

$688

Washington, D.C.Varna

IAD Washington, D.C. Dulles Intl - VAR Varna

IADVAR

Washington, D.C. Dulles Intl

Wed 10/14

1:15 pm-9:25 pm

1 stop25h 10m

Varna

Tue 10/27

9:40 am-12:45 pm

1 stop33h 05m

$688

Quickest round-trip

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Sun 11/8

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Sun 11/15

7:55 am-2:10 pm

1 stop13h 15m

$701

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 12/29

6:10 pm-11:55 pm

1 stop22h 45m

Sofia

Tue 1/12

7:55 am-2:10 pm

1 stop13h 15m

$711

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Wed 12/30

5:35 pm-1:15 pm

1 stop12h 40m

Sofia

Wed 1/13

6:25 am-2:35 pm

1 stop15h 10m

$713

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Mon 2/15

6:00 am-1:15 pm

2 stops24h 15m

Sofia

Wed 2/17

6:25 am-2:35 pm

1 stop15h 10m

$723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 January is also cheap. Prices for this month can be found on momondo for an average of $659.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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 $817 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 $766 on momondo.

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

You could potentially save up to 44% 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

Best Price Found	$321
Fastest flight time	11h 10m
Direct flights	None

The best one-way flight to Bulgaria from Washington, D.C. Dulles Intl Airport in the past 72 hours is $321. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Bulgaria found on momondo in the last 72 hours is $595.

The fastest flight from Washington, D.C. Dulles Intl Airport to Bulgaria takes 11h 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.

Search flight deals

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?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Bulgaria is 4 as of September 2026.
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 Airlines	PriceFrom $533	Free Cancellation	Rating 7.4 4,451 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $637	Free Cancellation	Rating 7.4 10,256 reviews	Search United Airlines flights
Lufthansa	PriceFrom $638	Free Cancellation	Rating 6.8 8,251 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $782	Free Cancellation	Rating 7.5 974 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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Popular cities in Bulgaria

Flights to Sofiafrom $585

Flights to Varnafrom $679

Flights to Burgasfrom $921

Flights to Plovdivfrom $742

Cheap flights from Washington, D.C. Dulles Intl Airport to Bulgaria from $321

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Bulgaria flight tickets

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

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Bulgaria flight tickets

momondo Fare Finder

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

See travel insights to Bulgaria from

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

What is the cheapest month to fly to Bulgaria?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria?

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Bulgaria?

What airlines fly to Bulgaria?

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Bulgaria

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

Why use momondo?

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Bulgaria flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Bulgaria

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bulgaria

List of cabin classes available on flights landing in Bulgaria. Availability may vary depending on flight origin and airline.

Complete your trip to Bulgaria

Explore popular destinations other users love

According to popular flight searches on momondo this year