What is the cheapest airline that flies from District of Columbia to Sofia?

Lufthansa, British Airways, and United Airlines are the most popular carriers operating from District of Columbia to Sofia

What airlines fly to Sofia?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Sofia from District of Columbia according to our data. Lufthansa is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 4 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from District of Columbia to Sofia Airport?

Prices for flights from District of Columbia to Sofia Airport are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to Sofia Airport?

As of September 2026, there are 4 operators available to choose from for flights from District of Columbia to Sofia Airport.

How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

$284 Cheap Flights from District of Columbia to Sofia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$715Lufthansa

Tue, Dec 1 - Tue, Dec 15

9:55 am - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

20h 20m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

2:00 pm - 9:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 05m1 stop Munich Franz Josef Strauss

$715Multiple Airlines

Wed, Mar 3 - Wed, Mar 17

8:10 pm - 3:05 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

11h 55m1 stop Zurich

6:25 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$716Multiple Airlines

Wed, Dec 2 - Wed, Dec 16

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

17h 00m1 stop Munich Franz Josef Strauss

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

16h 30m1 stop Frankfurt am Main

$720Lufthansa

Wed, Mar 3 - Wed, Mar 17

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

17h 00m1 stop Munich Franz Josef Strauss

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

15h 10m1 stop Frankfurt am Main

$737United Airlines

Sun, Dec 6 - Wed, Dec 9

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

$737United Airlines

Wed, Dec 30 - Wed, Jan 13

1:15 pm - 11:45 amIAD Washington, D.C. Dulles Intl-SOF Sofia

15h 30m1 stop Istanbul

9:40 am - 8:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 45m1 stop Istanbul

$759Turkish Airlines

Thu, Oct 15 - Wed, Nov 4

1:15 pm - 8:45 amIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 30m1 stop Istanbul

9:40 am - 8:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 45m1 stop Istanbul

$759Turkish Airlines

Tue, Oct 13 - Wed, Nov 4

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

$832Austrian Airlines

Tue, Nov 10 - Wed, Jan 6

6:10 pm - 11:50 amIAD Washington, D.C. Dulles Intl-SOF Sofia

10h 40m1 stop Vienna Intl

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

13h 15m1 stop Vienna Intl

$842Austrian Airlines

Sat, Dec 5 - Sat, Dec 19

Cheap last minute flights

Enter your travel dates to find the best prices.

8:30 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

20h 10m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

5:15 pm - 3:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

28h 55m2 stops Madrid Barajas Lisbon Humberto Delgado

$907Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

9:45 am - 12:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

19h 30m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

6:10 am - 4:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 55m1 stop Frankfurt am Main

$913Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

10:20 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 55m1 stop Munich Franz Josef Strauss

6:20 am - 4:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 45m1 stop Frankfurt am Main

$919Lufthansa

Wed, Sep 9 - Wed, Oct 21

10:20 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 55m1 stop Munich Franz Josef Strauss

6:10 am - 1:35 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

14h 25m1 stop Frankfurt am Main

$920Lufthansa

Mon, Sep 7 - Tue, Sep 15

8:30 pm - 10:30 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

19h 00m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

5:15 pm - 3:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

28h 55m2 stops Madrid Barajas Lisbon Humberto Delgado

$921Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

10:20 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 55m1 stop Munich Franz Josef Strauss

6:20 am - 4:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 45m1 stop Frankfurt am Main

$921Lufthansa

Mon, Sep 7 - Fri, Oct 9

10:20 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 55m1 stop Munich Franz Josef Strauss

6:20 am - 7:00 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

19h 40m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$925Multiple Airlines

Wed, Sep 9 - Wed, Oct 21

1:01 pm - 12:10 pmDCA Washington, D.C. Reagan-National-SOF Sofia

16h 09m2 stops Newark Munich Franz Josef Strauss

6:10 am - 3:40 pmSOF Sofia-DCA Washington, D.C. Reagan-National

16h 30m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$943United Airlines

Mon, Sep 7 - Tue, Sep 15

6:15 am - 12:10 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

22h 55m2 stops Newark Munich Franz Josef Strauss

6:20 am - 10:59 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

23h 39m2 stops Frankfurt am Main Newark

$950United Airlines

Mon, Sep 7 - Fri, Oct 9

1:05 pm - 11:40 amIAD Washington, D.C. Dulles Intl-SOF Sofia

15h 35m2 stops Boston Logan Intl Vienna Intl

6:20 am - 4:18 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 58m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$963United Airlines

Wed, Sep 9 - Wed, Oct 21

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United Airlines flights from District of Columbia to Sofia

Our best United Airlines deals on District of Columbia to Sofia flight tickets

United Airlines

Dec 6

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

Dec 9

SOF6:25 amSofia

15h 10m

1 stop

IAD2:35 pmWashington, D.C. Dulles Intl

$737

United Airlines

Dec 6

IAD5:35 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

SOF1:15 pmSofia

Dec 9

SOF6:25 amSofia

16h 48m

2 stops

IAD4:13 pmWashington, D.C. Dulles Intl

$740

United Airlines

Dec 6

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

Dec 9

SOF6:25 amSofia

20h 58m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$741

Lufthansa flights from District of Columbia to Sofia

Our best Lufthansa deals on District of Columbia to Sofia flight tickets

Lufthansa

Dec 1

IAD10:55 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

SOF6:20 pmSofia

Dec 15

SOF6:25 amSofia

16h 30m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$715

Lufthansa

Mar 3

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

Mar 17

SOF6:25 amSofia

16h 30m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

$720

Lufthansa

Mar 3

IAD10:55 pmWashington, D.C. Dulles Intl

17h 00m

1 stop

SOF10:55 pmSofia

Mar 17

SOF6:25 amSofia

16h 30m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

$721

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Sofia 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

Tue 12/1

10:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 12/15

6:25 am-3:55 pm

1 stop16h 30m

$715

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Wed 3/3

9:55 am-1:15 pm

2 stops20h 20m

Sofia

Wed 3/17

2:00 pm-9:05 pm

1 stop13h 05m

$715

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Wed 12/2

8:10 pm-3:05 pm

1 stop11h 55m

Sofia

Wed 12/16

6:25 am-3:55 pm

1 stop16h 30m

$716

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Wed 3/3

10:55 pm-10:55 pm

1 stop17h 00m

Sofia

Wed 3/17

6:25 am-4:55 pm

1 stop16h 30m

$720

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Sun 12/6

10:55 pm-10:55 pm

1 stop17h 00m

Sofia

Wed 12/9

6:25 am-2:35 pm

1 stop15h 10m

$737

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

$737

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Thu 10/15

1:15 pm-11:45 am

1 stop15h 30m

Sofia

Wed 11/4

9:40 am-8:25 pm

1 stop17h 45m

$759

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 10/13

1:15 pm-8:45 am

1 stop12h 30m

Sofia

Wed 11/4

9:40 am-8:25 pm

1 stop17h 45m

$759

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Tue 11/10

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Wed 1/6

7:55 am-2:10 pm

1 stop13h 15m

$832

Quickest round-trip

Washington, D.C.Sofia

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

IADSOF

Washington, D.C. Dulles Intl

Sat 12/5

6:10 pm-11:50 am

1 stop10h 40m

Sofia

Sat 12/19

7:55 am-2:10 pm

1 stop13h 15m

$842

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 District of Columbia 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

Prices

Airlines

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from District of Columbia is in February. Flight prices, which tend to average around $580, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from District of Columbia during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $659.

How far in advance should I book a flight from District of Columbia to Sofia?

You are more likely to see cheaper flights to Sofia from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $800 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from District of Columbia for as low as $766 on momondo.

Can stopping save me money on District of Columbia to Sofia flights?

You could potentially save up to 34% on your flight if you consider stops on a District of Columbia to Sofia flight.

Cheap District of Columbia to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Sofia

Best Price Found	$284
Fastest flight time	11h 55m
Direct flights	None

The best one-way flight to Sofia from District of Columbia in the past 72 hours is $284. The best round-trip flight deal from District of Columbia to Sofia found on momondo in the last 72 hours is $715.

The fastest flight from District of Columbia to Sofia takes 11h 55m

There are no direct flights from District of Columbia to Sofia. There are no popular flight routes from District of Columbia to Sofia.

Search flight deals

Frequently asked questions about flying from District of Columbia to Sofia

When did momondo last update prices for flights from District of Columbia to Sofia Airport?
Prices for flights from District of Columbia to Sofia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Sofia Airport?
As of September 2026, there are 4 operators available to choose from for flights from District of Columbia to Sofia Airport.
How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Sofia

Compare and see reviews for airlines that fly from District of Columbia to Sofia with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $535	Free Cancellation	Rating 7.4 4,480 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $637	Free Cancellation	Rating 7.4 10,171 reviews	Search United Airlines flights
Lufthansa	PriceFrom $638	Free Cancellation	Rating 6.8 8,223 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $809	Free Cancellation	Rating 7.6 951 reviews	Search Austrian Airlines flights

Bansko

Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Sofia?

It is quick and easy to find District of Columbia to Sofia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sofia that suits you.

Can I find flights from District of Columbia to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from District of Columbia with this policy.

How can momondo help me find flights from District of Columbia to Sofia?

Once all potential District of Columbia 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 District of Columbia to Sofia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for District of Columbia to Sofia 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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Cheap flights from District of Columbia to Sofia from $284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Sofia departing on 9/27. 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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United Airlines flights from District of Columbia to Sofia

Our best United Airlines deals on District of Columbia to Sofia flight tickets

Lufthansa flights from District of Columbia to Sofia

Our best Lufthansa deals on District of Columbia to Sofia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Sofia that are best for you.

See travel insights to Sofia from

How to get the cheapest flight ticket from District of Columbia to Sofia

What is the cheapest month to fly to Sofia?

How far in advance should I book a flight from District of Columbia to Sofia?

Can stopping save me money on District of Columbia to Sofia flights?

What is the cheapest airline that flies from District of Columbia to Sofia?

What airlines fly to Sofia?

Cheap District of Columbia to Sofia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from District of Columbia to Sofia

Best airlines flying from District of Columbia to Sofia

Compare and see reviews for airlines that fly from District of Columbia to Sofia with momondo

Traveling to a place near Sofia?

Why use momondo?

An easier way to manage your Sofia 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

Fly your favorite airline to Sofia

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

Cabin classes currently available on flights to Sofia

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

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

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According to popular flight searches on momondo this year

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