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Cheap flights from District of Columbia to Sofia from $435

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 1/1. 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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0 bags

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Find the cheapest flights from District of Columbia to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 pm - 10:45 pmIAD-SOF
22h 15m2 stops
Multiple Airlines Logo
11:25 am - 3:15 pmSOF-IAD
34h 50m2 stops
$459Multiple Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 12
Lufthansa Logo
10:55 pm - 6:20 pmIAD-SOF
12h 25m1 stop
Lufthansa Logo
6:10 am - 3:50 pmSOF-IAD
16h 40m1 stop
$484Lufthansa
Find Deal
Fri, Nov 7 - Fri, Nov 14
Turkish Airlines Logo
9:15 pm - 3:10 pmIAD-SOF
34h 55m1 stop
Turkish Airlines Logo
9:40 pm - 7:20 pmSOF-IAD
28h 40m1 stop
$503Turkish Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SOF
12h 15m1 stop
Turkish Airlines Logo
4:00 pm - 7:20 pmSOF-IAD
34h 20m1 stop
$512Turkish Airlines
Find Deal
Thu, Nov 20 - Wed, Dec 3
Austrian Airlines Logo
6:00 pm - 6:00 pmIAD-SOF
17h 00m1 stop
Austrian Airlines Logo
6:45 pm - 2:40 pmSOF-IAD
26h 55m1 stop
$521Austrian Airlines
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Tue, Jan 6 - Tue, Jan 20
Air Canada Logo
11:05 am - 6:20 pmDCA-SOF
24h 15m2 stops
Air Canada Logo
6:10 am - 9:56 pmSOF-DCA
22h 46m2 stops
$528Air Canada
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Sun, Nov 9 - Sun, Nov 23
United Airlines Logo
10:55 pm - 6:20 pmIAD-SOF
12h 25m1 stop
United Airlines Logo
6:25 am - 8:54 pmSOF-IAD
21h 29m2 stops
$528United Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 22
Air Canada Logo
4:30 pm - 6:20 pmIAD-SOF
18h 50m2 stops
Air Canada Logo
6:05 am - 8:26 pmSOF-IAD
21h 21m2 stops
$543Air Canada
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Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
12:40 pm - 1:50 pmIAD-SOF
18h 10m2 stops
United Airlines Logo
2:35 pm - 8:15 pmSOF-IAD
12h 40m1 stop
$547United Airlines
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Thu, Feb 5 - Thu, Feb 19
Austrian Airlines Logo
7:00 pm - 11:50 amIAD-SOF
10h 50m1 stop
Austrian Airlines Logo
7:55 am - 4:04 pmSOF-IAD
38h 09m2 stops
$557Austrian Airlines
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Tue, Mar 10 - Tue, Mar 24

Turkish Airlines flights from District of Columbia to Sofia

Our best Turkish Airlines deals on District of Columbia to Sofia flight tickets
Turkish Airlines
Nov 5
IAD9:15 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SOF3:10 pmSofia
Nov 12
SOF9:40 pmSofia
28h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$503
Find similar
Turkish Airlines
Nov 20
IAD1:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
SOF8:45 amSofia
Dec 3
SOF4:00 pmSofia
34h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$512
Find similar
Turkish Airlines
Oct 28
IAD10:15 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SOF3:10 pmSofia
Nov 12
SOF9:35 amSofia
16h 45m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$522
Find similar

KLM flights from District of Columbia to Sofia

Our best KLM deals on District of Columbia to Sofia flight tickets
KLM
Nov 7
IAD6:05 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
SOF2:05 pmSofia
Nov 21
SOF7:00 amSofia
16h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$535
Find similar
KLM
Dec 1
IAD6:05 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
SOF2:05 pmSofia
Dec 8
SOF7:00 amSofia
16h 23m
2 stops
IAD4:23 pmWashington, D.C. Dulles Intl
$546
Find similar
KLM
Nov 13
DCA2:59 pmWashington, D.C. Reagan-National
16h 06m
2 stops
SOF2:05 pmSofia
Nov 23
SOF7:00 amSofia
17h 00m
2 stops
DCA5:00 pmWashington, D.C. Reagan-National
$550
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 October 9, 2025.
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

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 10/28

6:30 pm-10:45 pm

2 stops22h 15m

Sofia

Wed 11/12

11:25 am-3:15 pm

2 stops34h 50m

$459

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Fri 11/7

10:55 pm-6:20 pm

1 stop12h 25m

Sofia

Fri 11/14

6:10 am-3:50 pm

1 stop16h 40m

$484

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 11/5

9:15 pm-3:10 pm

1 stop34h 55m

Sofia

Wed 11/12

9:40 pm-7:20 pm

1 stop28h 40m

$503

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 11/20

1:30 pm-8:45 am

1 stop12h 15m

Sofia

Wed 12/3

4:00 pm-7:20 pm

1 stop34h 20m

$512

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 1/6

6:00 pm-6:00 pm

1 stop17h 00m

Sofia

Tue 1/20

6:45 pm-2:40 pm

1 stop26h 55m

$521

Washington, D.C.Sofia

DCA - SOF

DCASOF

Washington, D.C. Reagan-National

Sun 11/9

11:05 am-6:20 pm

2 stops24h 15m

Sofia

Sun 11/23

6:10 am-9:56 pm

2 stops22h 46m

$528

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Sat 11/8

10:55 pm-6:20 pm

1 stop12h 25m

Sofia

Sat 11/22

6:25 am-8:54 pm

2 stops21h 29m

$528

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Wed 11/5

4:30 pm-6:20 pm

2 stops18h 50m

Sofia

Wed 11/12

6:05 am-8:26 pm

2 stops21h 21m

$543

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Thu 2/5

12:40 pm-1:50 pm

2 stops18h 10m

Sofia

Thu 2/19

2:35 pm-8:15 pm

1 stop12h 40m

$547

Washington, D.C.Sofia

IAD - SOF

IADSOF

Washington, D.C. Dulles Intl

Tue 3/10

7:00 pm-11:50 am

1 stop10h 50m

Sofia

Tue 3/24

7:55 am-4:04 pm

2 stops38h 09m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from District of Columbia 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 District of Columbia during September instead. Flights to Sofia in September, while not as cheap as those in November, still average around $608.

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 District of Columbia. 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 District of Columbia 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 District of Columbia 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 District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $852 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 $679 on momondo.

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

You could potentially save up to 26% 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

Direct flights

None
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

  • 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?

  • 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 AirlinesPriceFrom $550Free CancellationRating
7.3
3,992 reviews
Search Turkish Airlines flights
SWISSPriceFrom $552Free CancellationRating
7.5
1,760 reviews
Search SWISS flights
United AirlinesPriceFrom $679Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
LufthansaPriceFrom $691Free CancellationRating
6.8
7,460 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom $709Free CancellationRating
7.6
853 reviews
Search Austrian Airlines flights
ITA AirwaysPriceFrom $951Free CancellationRating
6.7
1,061 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 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Delta
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Lufthansa
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