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District of Columbia

$393+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$517
(KLM)

One-way from

$393
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$706
Provider with most accurate pricing for Sofia-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Sofia-Washington, D.C. (WAS) flights.
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From Sofia to District of Columbia
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One-way flight from Sofia to District of Columbia
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Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 27, 2025.

This KLM deal was found by Cheapflights users on 10/27. 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 11/117:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Tue 12/96:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 10/27$517
This KLM deal was found by Cheapflights users on 10/26. 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.
Sun 11/97:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Sun 11/1612:36 pmIAD - SOF
2 stops18h 19mMultiple Airlines
Deal found 10/26$522
This KLM deal was found by Cheapflights users on 10/25. 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.
Tue 11/117:00 amSOF - IAD
1 stop16h 05mKLM
Thu 12/46:05 pmIAD - SOF
1 stop13h 00mKLM
Deal found 10/25$523
This KLM deal was found by Cheapflights users on 10/27. 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 11/117:00 amSOF - IAD
2 stops16h 23mMultiple Airlines
Thu 12/116:50 pmIAD - SOF
1 stop12h 05mMultiple Airlines
Deal found 10/27$527
This KLM deal was found by Cheapflights users on 10/27. 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.
Wed 11/127:00 amSOF - DCA
2 stops17h 00mMultiple Airlines
Tue 12/92:55 pmDCA - SOF
2 stops16h 00mMultiple Airlines
Deal found 10/27$532
This Air France deal was found by Cheapflights users on 10/26. 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.
Mon 11/107:00 amSOF - IAD
2 stops18h 26mAir France
Sun 11/236:50 pmIAD - SOF
1 stop12h 05mAir France
Deal found 10/26$533
This KLM deal was found by Cheapflights users on 10/25. 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.
Wed 11/127:00 amSOF - DCA
2 stops16h 32mKLM
Thu 12/42:55 pmDCA - SOF
2 stops16h 10mKLM
Deal found 10/25$537
This KLM deal was found by Cheapflights users on 10/27. 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 11/117:00 amSOF - DCA
2 stops16h 35mMultiple Airlines
Tue 12/92:55 pmDCA - SOF
2 stops16h 00mMultiple Airlines
Deal found 10/27$549
This KLM deal was found by Cheapflights users on 10/25. 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.
Mon 11/37:00 amSOF - IAD
1 stop16h 05mMultiple Airlines
Mon 11/176:50 pmIAD - SOF
1 stop12h 15mMultiple Airlines
Deal found 10/25$552
This KLM deal was found by Cheapflights users on 10/26. 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.
Sat 12/137:00 amSOF - IAD
1 stop16h 05mKLM
Wed 1/712:30 pmIAD - SOF
2 stops18h 35mKLM
Deal found 10/26$556
This KLM deal was found by Cheapflights users on 10/26. 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 12/157:00 amSOF - IAD
2 stops18h 12mKLM
Wed 1/712:30 pmIAD - SOF
2 stops18h 35mKLM
Deal found 10/26$566
This KLM deal was found by Cheapflights users on 10/25. 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.
Mon 11/37:00 amSOF - DCA
2 stops17h 10mMultiple Airlines
Mon 11/172:59 pmDCA - SOF
2 stops16h 06mMultiple Airlines
Deal found 10/25$567

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 October 27, 2025.
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

Tue 11/11

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 12/9

6:50 pm-1:55 pm

1 stop12h 05m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 11/11

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 12/11

6:50 pm-1:55 pm

1 stop12h 05m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Thu 11/13

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Tue 12/9

6:50 pm-1:55 pm

1 stop12h 05m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 11/12

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 12/11

6:50 pm-1:55 pm

1 stop12h 05m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sat 11/8

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 11/24

6:50 pm-2:05 pm

1 stop12h 15m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Mon 11/10

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 11/23

6:50 pm-1:55 pm

1 stop12h 05m

$517

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Sun 11/9

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Sun 11/16

12:36 pm-1:55 pm

2 stops18h 19m

$522

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Tue 11/11

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 12/4

6:05 pm-2:05 pm

1 stop13h 00m

$523

SofiaWashington, D.C.

SOF - IAD

SOFIAD

Sofia

Wed 11/12

7:00 am-4:23 pm

2 stops16h 23m

Washington, D.C. Dulles Intl

Tue 12/9

6:50 pm-1:55 pm

1 stop12h 05m

$527

SofiaWashington, D.C.

SOF - DCA

SOFDCA

Sofia

Wed 11/12

7:00 am-5:00 pm

2 stops17h 00m

Washington, D.C. Reagan-National

Tue 12/9

2:55 pm-1:55 pm

2 stops16h 00m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 35 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 December is currently the most expensive (average of $638). 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.

What is the cheapest time of day to fly from SOF to DC?

Find hourly flight availability from Sofia to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Sofia to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight in the evening.

How much does it cost to fly round-trip from Sofia to District of Columbia?

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 October 27, 2025.
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
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Austrian Airlines
7.6
Good
861 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,997 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,029 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,532 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • 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 December is currently the most expensive (average of $638). 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 4 airlines flying from Sofia to District of Columbia

Discover the top 4 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$520Average$601FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$572Average$651FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$588Average$641FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$614Average$667FlexibilityNo cancel feeOn-time77%

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