SOF

$347 Find Cheap Flights from Washington to Sofia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Sofia departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

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Cheap Flight Deals 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.

Recent round-trip flight deals from Washington to Sofia

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington to Sofia.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
 Logo
8:30 am - 2:00 pmSEA-SOF
19h 30m2 stops
 Logo
7:00 am - 11:45 amSOF-SEA
14h 45m1 stop
Tue, Aug 26 - Tue, Sep 16
KLM Logo
5:40 pm - 2:00 pmSEA-SOF
34h 20m1 stop
KLM Logo
7:00 am - 11:45 amSOF-SEA
14h 45m1 stop
$657KLM
Find Deal
Mon, Aug 25 - Tue, Sep 16
 Logo
3:19 pm - 10:05 amSEA-SOF
32h 46m2 stops
 Logo
6:20 am - 11:55 amSOF-SEA
15h 35m1 stop
Mon, Aug 25 - Tue, Sep 16
SWISS Logo
3:19 pm - 10:05 amSEA-SOF
32h 46m2 stops
SWISS Logo
1:15 pm - 8:54 pmSOF-SEA
41h 39m2 stops
$663SWISS
Find Deal
Tue, Aug 26 - Tue, Sep 16
United Airlines Logo
6:50 pm - 11:00 pmSEA-SOF
18h 10m1 stop
United Airlines Logo
6:15 am - 7:37 pmSOF-SEA
23h 22m2 stops
$724United Airlines
Find Deal
Wed, May 7 - Wed, May 21
Air Canada Logo
10:00 am - 5:50 pmSEA-SOF
21h 50m2 stops
Air Canada Logo
6:20 am - 7:37 pmSOF-SEA
23h 17m2 stops
$727Air Canada
Find Deal
Wed, May 7 - Tue, May 20
Air Canada Logo
11:30 am - 6:40 pmSEA-SOF
45h 10m2 stops
Air Canada Logo
6:20 am - 7:37 pmSOF-SEA
23h 17m2 stops
$730Air Canada
Find Deal
Sat, May 10 - Tue, May 20
Lufthansa Logo
6:50 pm - 11:00 pmSEA-SOF
18h 10m1 stop
Lufthansa Logo
6:00 am - 4:59 pmSOF-SEA
20h 59m1 stop
$735Lufthansa
Find Deal
Wed, May 7 - Fri, May 23
United Airlines Logo
7:20 am - 5:50 pmSEA-SOF
24h 30m2 stops
United Airlines Logo
8:00 am - 8:54 pmSOF-SEA
22h 54m3 stops
$748United Airlines
Find Deal
Mon, Aug 25 - Tue, Sep 16
SWISS Logo
1:45 pm - 10:05 amSEA-SOF
34h 20m2 stops
SWISS Logo
3:30 pm - 6:33 pmSOF-SEA
37h 03m2 stops
$779SWISS
Find Deal
Thu, May 8 - Mon, May 19

Good to know

Low season

January

High season

August

Cheapest flight

$347
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Seattle to Sofia

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.

See more FAQs

Traveling to a place near Sofia?

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

Everything you need to know for your flight to Sofia

Information on the airport you'll fly into in Sofia

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