Cheap flights from Washington, D.C. to Sofia from $225

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. to Sofia departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Sofia (WAS-SOF)

Cheap round-trip flights

Turkish Airlines Logo
1:30 pm - 3:10 pmIAD-SOF
18h 40m1 stop
Turkish Airlines Logo
10:05 am - 7:15 pmSOF-IAD
16h 10m1 stop
$547Turkish Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 20
Turkish Airlines Logo
1:30 pm - 2:45 pmIAD-SOF
18h 15m1 stop
Turkish Airlines Logo
9:25 am - 7:45 pmSOF-IAD
17h 20m1 stop
$557Turkish Airlines
Find Deal
Tue, Sep 16 - Thu, Sep 25
Turkish Airlines Logo
1:30 pm - 2:45 pmIAD-SOF
18h 15m1 stop
Turkish Airlines Logo
10:05 am - 7:15 pmSOF-IAD
16h 10m1 stop
$566Turkish Airlines
Find Deal
Wed, Sep 3 - Wed, Nov 19
Turkish Airlines Logo
1:30 pm - 2:45 pmIAD-SOF
18h 15m1 stop
Turkish Airlines Logo
3:35 pm - 7:45 pmSOF-IAD
35h 10m1 stop
$576Turkish Airlines
Find Deal
Sun, Oct 12 - Thu, Oct 23
Austrian Airlines Logo
6:00 pm - 11:50 amIAD-SOF
10h 50m1 stop
Austrian Airlines Logo
6:45 pm - 2:40 pmSOF-IAD
26h 55m1 stop
$588Austrian Airlines
Find Deal
Mon, Nov 17 - Mon, Dec 1
Lufthansa Logo
10:55 pm - 10:45 pmIAD-SOF
16h 50m1 stop
Lufthansa Logo
6:10 am - 3:50 pmSOF-IAD
16h 40m1 stop
$600Lufthansa
Find Deal
Wed, Nov 5 - Wed, Nov 19
United Airlines Logo
10:55 pm - 6:20 pmIAD-SOF
12h 25m1 stop
United Airlines Logo
6:05 am - 2:35 pmSOF-IAD
15h 30m2 stops
$623United Airlines
Find Deal
Wed, Nov 5 - Thu, Nov 20
Lufthansa Logo
6:00 pm - 10:45 pmIAD-SOF
21h 45m1 stop
Lufthansa Logo
6:10 am - 3:50 pmSOF-IAD
16h 40m1 stop
$646Lufthansa
Find Deal
Fri, Feb 13 - Fri, Feb 27
United Airlines Logo
5:40 pm - 12:00 pmIAD-SOF
11h 20m1 stop
United Airlines Logo
6:10 am - 4:21 pmSOF-IAD
17h 11m2 stops
$650United Airlines
Find Deal
Wed, Sep 3 - Wed, Nov 19
SWISS Logo
8:30 pm - 10:15 amIAD-SOF
30h 45m1 stop
SWISS Logo
2:00 pm - 4:40 pmSOF-IAD
33h 40m2 stops
$677SWISS
Find Deal
Fri, Nov 7 - Wed, Nov 19

Turkish Airlines flights from Washington, D.C. to Sofia

Our best Turkish Airlines deals on Washington, D.C. to Sofia flight tickets
Turkish Airlines
Nov 6
IAD1:30 pmWashington, D.C. Dulles Intl
18h 40m
1 stop
SOF3:10 pmSofia
Nov 20
SOF10:05 amSofia
16h 10m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
Turkish Airlines
Sep 16
IAD1:30 pmWashington, D.C. Dulles Intl
18h 15m
1 stop
SOF2:45 pmSofia
Sep 25
SOF9:25 amSofia
17h 20m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
Turkish Airlines
Aug 18
IAD1:30 pmWashington, D.C. Dulles Intl
23h 55m
1 stop
SOF8:25 pmSofia
Sep 18
SOF9:15 pmSofia
21h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl

Lufthansa flights from Washington, D.C. to Sofia

Our best Lufthansa deals on Washington, D.C. to Sofia flight tickets
Lufthansa
Nov 5
IAD10:55 pmWashington, D.C. Dulles Intl
16h 50m
1 stop
SOF10:45 pmSofia
Nov 19
SOF6:10 amSofia
16h 40m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Lufthansa
Feb 13
IAD6:00 pmWashington, D.C. Dulles Intl
21h 45m
1 stop
SOF10:45 pmSofia
Feb 27
SOF6:10 amSofia
16h 40m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Lufthansa
Aug 18
IAD10:20 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
SOF6:40 pmSofia
Sep 18
SOF6:00 amSofia
14h 30m
2 stops
IAD1:30 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Sofia 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 August 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 11/6

1:30 pm-3:10 pm

1 stop18h 40m

Sofia

Thu 11/20

10:05 am-7:15 pm

1 stop16h 10m

$547

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 9/16

1:30 pm-2:45 pm

1 stop18h 15m

Sofia

Thu 9/25

9:25 am-7:45 pm

1 stop17h 20m

$557

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 9/3

1:30 pm-2:45 pm

1 stop18h 15m

Sofia

Wed 11/19

10:05 am-7:15 pm

1 stop16h 10m

$566

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sun 10/12

1:30 pm-2:45 pm

1 stop18h 15m

Sofia

Thu 10/23

3:35 pm-7:45 pm

1 stop35h 10m

$576

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Mon 11/17

6:00 pm-11:50 am

1 stop10h 50m

Sofia

Mon 12/1

6:45 pm-2:40 pm

1 stop26h 55m

$588

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 11/5

10:55 pm-10:45 pm

1 stop16h 50m

Sofia

Wed 11/19

6:10 am-3:50 pm

1 stop16h 40m

$600

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 11/5

10:55 pm-6:20 pm

1 stop12h 25m

Sofia

Thu 11/20

6:05 am-2:35 pm

2 stops15h 30m

$623

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 2/13

6:00 pm-10:45 pm

1 stop21h 45m

Sofia

Fri 2/27

6:10 am-3:50 pm

1 stop16h 40m

$646

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 9/3

5:40 pm-12:00 pm

1 stop11h 20m

Sofia

Wed 11/19

6:10 am-4:21 pm

2 stops17h 11m

$650

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 11/7

8:30 pm-10:15 am

1 stop30h 45m

Sofia

Wed 11/19

2:00 pm-4:40 pm

2 stops33h 40m

$677

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 Sofia from

How to get the cheapest flight ticket from Washington, D.C. 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

What is the typical price of a round-trip flight between Washington, D.C. and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Washington, D.C. is in November. Flight prices, which tend to average around $593, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Sofia from Washington, D.C. during February instead. Flights to Sofia in February, while not as cheap as those in November, still average around $620.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Wednesday is the cheapest day to fly to Sofia from Washington, D.C.. The lowest ticket price found for a Wednesday departure recently was $876. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. to Sofia on a Saturday will generally be more expensive and average around $1,037. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

At noon is the cheapest time of day to fly from Washington, D.C. to Sofia when you can find flight prices for as low as $623. Flying to Sofia at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,053 per ticket.

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

You are more likely to see cheaper flights to Sofia from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $844 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from Washington, D.C. for as low as $615 on momondo.

Can stopping save me money on Washington, D.C. to Sofia flights?

You could potentially save up to 42% on your flight if you consider stops on a Washington, D.C. to Sofia flight.

When to book flights from Washington, D.C. to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Sofia (WAS to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sofia

Best Price Found

$225

Fastest flight time

10h 50m

Direct flights

None

Airports in Sofia

1 airport
The best one-way flight to Sofia from Washington, D.C. in the past 72 hours is $225. The best round-trip flight deal from Washington, D.C. to Sofia found on momondo in the last 72 hours is $547.
The fastest flight from Washington, D.C. to Sofia takes 10h 50m
There are no direct flights from Washington, D.C. to Sofia. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Sofia Airport, Washington, D.C. Reagan-National Airport - Sofia Airport and Baltimore/Washington Airport - Sofia Airport.
There is 1 airport near Sofia: Sofia (SOF)
  • How far is Washington, D.C. to Sofia by plane?

    The straight-line distance from Washington, D.C. to Sofia is 4912.7 mi. A reasonable flight in good conditions will take 10h 50m.

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

    Prices for flights from Washington, D.C. to Sofia Airport were last updated today.

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

  • How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

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

  • What is the most popular airline from Washington, D.C. to Sofia?

Best airlines flying from Washington, D.C. to Sofia

Compare and see reviews for airlines that fly from Washington, D.C. to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $552Free CancellationRating
7.3
3,945 reviews
Search Turkish Airlines flights
SWISSPriceFrom $552Free CancellationRating
7.6
1,699 reviews
Search SWISS flights
United AirlinesPriceFrom $679Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
LufthansaPriceFrom $691Free CancellationRating
6.8
7,330 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $709Free CancellationRating
7.6
829 reviews
Search Austrian Airlines flights
ITA AirwaysPriceFrom $879Free CancellationRating
6.7
1,019 reviews
Search ITA Airways flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

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

Finding the right flight to Sofia from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sofia quick and easy, saving you time and money.

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

Yes. All flights to Sofia from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. 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 Washington, D.C. to Sofia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Sofia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sofia and let you know when they change.

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Sat 8/23
Sat 8/30

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