How does KAYAK find such low prices on flights from Washington to Sofia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Sofia. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Sofia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Sofia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Sofia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$234 Cheap Flights from Washington to Sofia

SOF

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$504

Overall average: $639

British Airways

Sun 4/12Mon 4/20

SEA - SOF • 1 stop

Cheapest one-way

$234

British Airways

Sun 4/26

SEA - SOF • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Sofia!

Flight Deals

Cheap Flights from Washington to Sofia

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Sofia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Sofia

Sun, Apr 12 - Mon, Apr 20

1:35 pm - 7:10 pm

SEA

SOF

19h 35m1 stop

8:00 pm - 6:25 pm

SOF

SEA

32h 25m1 stop

$504British Airways

Sun, Feb 1 - Sat, Feb 14

3:10 pm - 6:20 pm

SEA

SOF

17h 10m1 stop

6:25 am - 10:16 pm

SOF

SEA

25h 51m2 stops

$515Multiple Airlines

Tue, Apr 28 - Mon, May 11

8:20 pm - 8:40 pm

SEA

SOF

14h 20m1 stop

8:00 pm - 11:35 am

SOF

SEA

25h 35m1 stop

$519British Airways

Sun, Feb 1 - Sat, Feb 14

3:10 pm - 6:20 pm

SEA

SOF

17h 10m1 stop

6:25 am - 12:10 pm

SOF

SEA

15h 45m1 stop

$520Lufthansa

Tue, Mar 24 - Tue, Apr 28

9:52 am - 1:55 pm

SEA

SOF

19h 03m2 stops

7:00 am - 11:45 am

SOF

SEA

14h 45m1 stop

$524Multiple Airlines

Wed, Apr 29 - Fri, May 8

6:50 pm - 11:10 pm

SEA

SOF

18h 20m1 stop

6:20 am - 12:20 pm

SOF

SEA

16h 00m1 stop

$531United Airlines

Wed, Mar 11 - Wed, Mar 25

12:41 pm - 10:45 pm

GEG

SOF

49h 04m2 stops

6:05 am - 9:03 pm

SOF

GEG

23h 58m2 stops

$538Lufthansa

Thu, Jan 22 - Mon, Jan 26

11:25 am - 10:45 pm

GEG

SOF

25h 20m2 stops

6:10 am - 9:22 pm

SOF

GEG

25h 12m2 stops

$545United Airlines

Fri, Jan 9 - Fri, Jan 23

1:25 pm - 2:05 pm

PDX

SOF

14h 40m1 stop

7:00 am - 11:25 am

SOF

PDX

14h 25m1 stop

$709KLM

Fri, Jan 9 - Fri, Jan 23

7:00 am - 2:05 pm

PDX

SOF

21h 05m2 stops

7:00 am - 11:25 am

SOF

PDX

14h 25m1 stop

$714KLM

Useful Info

Low season	February
High season	July
Cheapest flight	$234

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from Seattle to Sofia

How does KAYAK find such low prices on flights from Washington to Sofia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Sofia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Sofia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Sofia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Sofia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Velingrad

Sandanski

Everything you need to know for your flight to Sofia

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Sofia

Sofia (SOF)

SOF

$515 Find Cheap Flights from Washington to Sofia

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

Everything you should know

Cheap Flights from Washington to Sofia

Recent round-trip flight deals from Washington to Sofia

Recent one-way flight deals from Washington to Sofia

Recent last minute flight deals from Washington to Sofia

Good to know

FAQs for booking flights from Washington to Sofia

How does KAYAK find such low prices on flights from Washington to Sofia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Sofia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Sofia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Sofia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sofia with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Sofia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Sofia?

Everything you need to know for your flight to Sofia

Information on the airport you'll fly into in Sofia

Cabin class types available on flights to Washington

Complete your trip to Sofia with a hotel stay or car rental

Find direct flights for Sofia

Flights to other popular destinations

Flights from domestic origins to Sofia

Choose which airport to fly into in Sofia

Find deals for your return flight