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>

$349 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

$489

Overall average: $615

Lufthansa

Thu 1/22Sun 2/1

SEA - SOF • 1 stop

Cheapest one-way

$349

Multiple Airlines

Mon 2/16

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

Last minute

Recent round-trip flight deals from Washington to Sofia

Thu, Jan 22 - Sun, Feb 1

2:00 pm - 10:45 pm

SEA

SOF

22h 45m1 stop

6:10 am - 10:43 pm

SOF

SEA

26h 33m2 stops

$489Lufthansa

Wed, Jan 28 - Wed, Feb 4

3:10 pm - 10:45 pm

SEA

SOF

21h 35m1 stop

6:05 am - 10:16 pm

SOF

SEA

26h 11m2 stops

$516Multiple Airlines

Thu, Jan 29 - Mon, Feb 2

8:40 am - 10:45 pm

SEA

SOF

28h 05m3 stops

6:10 am - 12:10 pm

SOF

SEA

16h 00m1 stop

$535United Airlines

Wed, Jan 28 - Wed, Feb 4

8:10 am - 6:20 pm

SEA

SOF

24h 10m2 stops

6:10 am - 10:51 pm

SOF

SEA

26h 41m3 stops

$537Air Canada

Thu, Jan 22 - Mon, Jan 26

1:24 pm - 10:45 pm

PDX

SOF

23h 21m3 stops

6:10 am - 12:39 am

SOF

PDX

28h 29m2 stops

$545United Airlines

Fri, Jan 9 - Fri, Jan 16

7:00 am - 2:05 pm

PDX

SOF

21h 05m2 stops

7:00 am - 11:25 am

SOF

PDX

14h 25m1 stop

$740KLM

Tue, Apr 28 - Mon, Jun 8

7:30 pm - 8:40 pm

PDX

SOF

15h 10m1 stop

8:00 pm - 5:40 pm

SOF

PDX

31h 40m1 stop

$893British Airways

Wed, Apr 29 - Wed, Jun 3

9:50 am - 6:40 pm

PDX

SOF

22h 50m2 stops

6:20 am - 7:05 pm

SOF

PDX

22h 45m2 stops

$895Air Canada

Tue, Apr 28 - Sun, Jun 7

7:30 pm - 8:40 pm

PDX

SOF

15h 10m1 stop

9:10 pm - 5:40 pm

SOF

PDX

30h 30m1 stop

$901British Airways

Fri, Jan 9 - Fri, Jan 16

1:25 pm - 2:05 pm

PDX

SOF

14h 40m1 stop

7:00 am - 11:25 am

SOF

PDX

14h 25m1 stop

$902KLM

Useful Info

Low season	February
High season	July
Cheapest flight	$349

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

$349 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