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District of Columbia

$368+ Cheap flights from Sofia (SOF) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Sofia to District of Columbia

Cheapest flights from Sofia to District of Columbia
Explore the most affordable flight options available from Sofia to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
SOF
-
IAD
1 stop15h 35m
Multiple Airlines
Tue 4/286:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 1/26$462
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/27:00 am
SOF
-
IAD
1 stop16h 05m
Multiple Airlines
Sun 2/156:50 pm
IAD
-
SOF
1 stop12h 05m
Multiple Airlines
Deal found 1/26$464
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:00 am
SOF
-
IAD
2 stops18h 19m
Multiple Airlines
Mon 4/276:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 1/26$467
This KLM deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
SOF
-
IAD
1 stop16h 05m
Multiple Airlines
Tue 3/107:50 pm
IAD
-
SOF
1 stop12h 05m
Multiple Airlines
Deal found 1/27$468
This Air France deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
-
IAD
1 stop16h 35m
Air France
Thu 4/236:15 pm
IAD
-
SOF
1 stop12h 45m
Air France
Deal found 1/26$470
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
-
IAD
2 stops18h 21m
Multiple Airlines
Thu 4/236:15 pm
IAD
-
SOF
1 stop12h 45m
Multiple Airlines
Deal found 1/26$474
This Air France deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
-
IAD
1 stop16h 35m
Multiple Airlines
Wed 3/46:05 pm
IAD
-
SOF
1 stop13h 00m
Multiple Airlines
Deal found 1/26$476
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SOF
-
IAD
1 stop15h 35m
Multiple Airlines
Sat 5/309:45 pm
IAD
-
SOF
1 stop33h 15m
Multiple Airlines
Deal found 1/26$477
This KLM deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:00 am
SOF
-
IAD
2 stops19h 09m
Multiple Airlines
Wed 2/1812:35 pm
IAD
-
SOF
2 stops18h 30m
Multiple Airlines
Deal found 1/25$479
This KLM deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:00 am
SOF
-
DCA
2 stops17h 53m
Multiple Airlines
Wed 2/181:40 pm
DCA
-
SOF
2 stops17h 25m
Multiple Airlines
Deal found 1/25$479
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
-
IAD
2 stops18h 21m
KLM
Wed 3/46:05 pm
IAD
-
SOF
1 stop13h 00m
KLM
Deal found 1/26$480
This KLM deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
-
DCA
2 stops18h 04m
KLM
Wed 3/42:35 pm
DCA
-
SOF
2 stops16h 30m
KLM
Deal found 1/26$484

Find flight deals from Sofia to District of Columbia

Keep the following information in mind while searching for Sofia to District of Columbia flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$462
(KLM)

One-way from

$368
(Booking.com)

Popular in

January

Cheapest in

February

Average price

$1,125
Provider with most accurate pricing for Sofia-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sofia-Washington, D.C. (WAS) flights.
Search Deals
From Sofia to District of Columbia
Search Deals
One-way flight from Sofia to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sofia to District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Sofia to District of Columbia that are best for you.

Fly from

Sofia

Fly to

District of Columbia

Route

Depart

Return

Price

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 4/20

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/29

6:15 pm-2:00 pm

1 stop12h 45m

$462

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 4/21

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/29

6:15 pm-2:00 pm

1 stop12h 45m

$462

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 4/22

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Tue 4/28

6:15 pm-2:00 pm

1 stop12h 45m

$462

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 3/3

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 3/10

7:50 pm-1:55 pm

1 stop12h 05m

$464

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 4/21

7:00 am-6:19 pm

2 stops18h 19m

Washington, D.C. Dulles Intl

Mon 4/27

6:15 pm-2:00 pm

1 stop12h 45m

$467

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 4/22

7:00 am-8:52 pm

2 stops20h 52m

Washington, D.C. Dulles Intl

Wed 4/29

6:15 pm-2:00 pm

1 stop12h 45m

$467

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:15 pm-2:00 pm

1 stop12h 45m

$467

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 4/9

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 4/15

6:10 pm-2:00 pm

1 stop12h 50m

$468

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Sun 2/8

7:00 am-5:53 pm

2 stops17h 53m

Washington, D.C. Reagan-National

Wed 2/18

1:40 pm-2:05 pm

2 stops17h 25m

$479

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Tue 6/30

11:35 am-10:18 am

2 stops29h 43m

Washington, D.C. Reagan-National

Mon 7/20

9:40 am-1:20 pm

2 stops20h 40m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 24 results
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Best time to book a flight from Sofia to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Sofia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sofia to District of Columbia

What is the cheapest month to book a flight from Sofia to District of Columbia?

Currently, October is the cheapest month in which you can book a flight from Sofia to District of Columbia (average of $492). Flying from Sofia to District of Columbia in November is currently the most expensive (average of $677). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with KLM, Austrian Airlines, and United Airlines from Sofia to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Austrian Airlines
7.5
Good
895 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,210 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,209 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,749 reviews
KLM
7.7
Good
1,443 reviews

Overall

7.7

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Sofia to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sofia to District of Columbia?

    Sofia (SOF) is the airport you will fly out of if you book a flight from Sofia to District of Columbia. It is only a 4.2 mi journey to Sofia (SOF) from Sofia’s city center.

  • How long is the flight from Sofia to District of Columbia?

    Departing from Sofia to District of Columbia will take you 18h 45m. Airlines will cover a distance of 4919 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Sofia to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Sofia to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sofia to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sofia to District of Columbia.

  • Can I find deals for business class flights from Sofia to District of Columbia?

    Yes. Cheapflights offers flight deals from Sofia to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sofia to District of Columbia?

    Currently, October is the cheapest month in which you can book a flight from Sofia to District of Columbia (average of $492). Flying from Sofia to District of Columbia in November is currently the most expensive (average of $677). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Sofia to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Sofia to District of Columbia

Discover the top 5 airlines that operate flights from Sofia to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$552FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$564Average$680FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$585Average$654FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$595Average$751FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$625Average$702FlexibilityNo cancel feeOn-time77%

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