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>

$302 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

$494

Overall average: $663

Multiple Airlines

Fri 11/14Thu 11/27

SEA - SOF • 2 stops

Cheapest one-way

$302

Typical prices: $578-$640

Multiple Airlines

Tue 10/28

SEA - SOF • 3 stops

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

Recent round-trip flight deals from Washington to Sofia

Fri, Nov 14 - Thu, Nov 27

5:50 am - 10:45 pmSEA-SOF

30h 55m2 stops

6:00 am - 10:06 pmSOF-SEA

26h 06m2 stops

$494Multiple Airlines

Find Deal

Thu, Nov 13 - Thu, Nov 20

3:15 pm - 6:20 pmPDX-SOF

41h 05m2 stops

7:05 pm - 6:30 pmSOF-PDX

33h 25m2 stops

$509Multiple Airlines

Find Deal

Fri, Nov 14 - Thu, Nov 27

3:10 pm - 6:20 pmSEA-SOF

17h 10m1 stop

6:00 am - 12:10 pmSOF-SEA

16h 10m1 stop

$513Lufthansa

Find Deal

Thu, Nov 13 - Wed, Nov 26

6:50 pm - 11:15 amSEA-SOF

30h 25m1 stop

9:00 pm - 4:55 pmSOF-SEA

29h 55m1 stop

$518British Airways

Find Deal

Fri, Nov 14 - Thu, Nov 27

3:10 pm - 6:20 pmSEA-SOF

17h 10m1 stop

6:00 am - 7:16 pmSOF-SEA

23h 16m2 stops

$520Lufthansa

Find Deal

Fri, Nov 14 - Thu, Nov 27

5:50 am - 6:20 pmSEA-SOF

26h 30m2 stops

6:00 am - 7:16 pmSOF-SEA

23h 16m3 stops

$526Air Canada

Find Deal

Wed, Nov 12 - Mon, Nov 24

3:10 pm - 10:45 pmSEA-SOF

21h 35m1 stop

6:10 am - 12:10 pmSOF-SEA

16h 00m1 stop

$527United Airlines

Find Deal

Sun, Nov 16 - Mon, Nov 24

6:00 am - 1:00 pmSEA-SOF

21h 00m2 stops

6:10 am - 12:10 pmSOF-SEA

16h 00m1 stop

$532United Airlines

Find Deal

Thu, Nov 13 - Thu, Nov 27

3:40 pm - 6:20 pmSEA-SOF

40h 40m2 stops

2:35 pm - 10:16 pmSOF-SEA

41h 41m2 stops

$534Air Canada

Find Deal

Sat, Feb 28 - Wed, Apr 1

6:50 pm - 4:20 pmSEA-SOF

35h 30m1 stop

9:30 pm - 6:20 pmSOF-SEA

30h 50m1 stop

$544British Airways

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$302

Best time to beat the crowds with an average 30% drop in price.

Most popular time to fly with an average 2% 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.

Sandanski

Velingrad

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SOF

$302 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

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