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Cheap Flights from Seattle (SEAA) to Sofia (SOF)

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Flight deals from Seattle to Sofia Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Sofia Airport? If you want to travel next month, return fares start from £474. Find the lowest prices on one-way and return tickets right here.
Sofia.£473 per passenger.Departing Tue, 5 May, returning Thu, 14 May.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Tue, 5 May, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Thu, 14 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £473, select.
Sofia.£473 per passenger.Departing Mon, 30 Mar, returning Tue, 7 Apr.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Mon, 30 Mar, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Tue, 7 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £473, select.
Sofia.£473 per passenger.Departing Wed, 16 Sep, returning Wed, 23 Sep.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Wed, 16 Sep, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Wed, 23 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £473, select.
Sofia.£474 per passenger.Departing Sun, 5 Apr, returning Tue, 21 Apr.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Sun, 5 Apr, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Tue, 21 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £474, select.
Sofia.£476 per passenger.Departing Tue, 14 Apr, returning Tue, 12 May.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Tue, 14 Apr, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Tue, 12 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £476, select.
Sofia.£506 per passenger.Departing Tue, 12 May, returning Wed, 3 Jun.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Tue, 12 May, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Wed, 3 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £506, select.
Sofia.£518 per passenger.Departing Mon, 24 Aug, returning Sun, 13 Sep.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Mon, 24 Aug, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Sun, 13 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £518, select.
Sofia.£548 per passenger.Departing Sun, 26 Jul, returning Thu, 27 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Sun, 26 Jul, arriving in Sofia.Inbound indirect flight with Lufthansa, departs from Sofia on Thu, 27 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £548, select.
Sofia.£549 per passenger.Departing Tue, 7 Jul, returning Fri, 4 Sep.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Tue, 7 Jul, arriving in Sofia.Inbound indirect flight with Lufthansa, departs from Sofia on Fri, 4 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £549, select.
Sofia.£598 per passenger.Departing Wed, 6 May, returning Wed, 8 Jul.Return flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Seattle / Tacoma International on Wed, 6 May, arriving in Sofia.Inbound indirect flight with Turkish Airlines, departs from Sofia on Wed, 8 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £598, select.
Sofia.£604 per passenger.Departing Fri, 14 Aug, returning Mon, 31 Aug.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Fri, 14 Aug, arriving in Sofia.Inbound indirect flight with Lufthansa, departs from Sofia on Mon, 31 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £604, select.
Sofia.£632 per passenger.Departing Mon, 1 Jun, returning Mon, 8 Jun.Return flight with Icelandair and Wizz Air.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 1 Jun, arriving in Sofia.Inbound indirect flight with Wizz Air, departs from Sofia on Mon, 8 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £632, select.
Sofia.£658 per passenger.Departing Tue, 9 Jun, returning Wed, 1 Jul.Return flight with Icelandair and Wizz Air.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Tue, 9 Jun, arriving in Sofia.Inbound indirect flight with Wizz Air, departs from Sofia on Wed, 1 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £658, select.
Sofia.£797 per passenger.Departing Sat, 18 Jul, returning Sat, 25 Jul.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Sat, 18 Jul, arriving in Sofia.Inbound indirect flight with Lufthansa, departs from Sofia on Sat, 25 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £797, select.
Sofia.£847 per passenger.Departing Sun, 22 Mar, returning Sun, 29 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Seattle / Tacoma International on Sun, 22 Mar, arriving in Sofia.Inbound indirect flight with Lufthansa, departs from Sofia on Sun, 29 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From £847, select.

Find the cheapest month to fly from Seattle to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Sofia flights are currently cheapest in May.
Mar
from £847
Apr
from £474
May
from £473
Jun
from £632
Jul
from £797
Aug
from £604
Sep
from £473
Oct
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Nov
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Dec
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Jan
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Feb
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Seattle to Sofia: Alternative routes

Compare routes from Seattle to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Sofia

4 miles from central Sofia
ClosestCheapest
from £473
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Seattle to Sofia: Flight information

The things to know before you go.
Cheapest flight found£473
Cheapest month to flyMarch

Finding cheap flights from Seattle to Sofia: Frequently asked questions

The best price we found for a return flight from Seattle to Sofia is £473. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Sofia. But we found flights with one stop from £473.
As of March 2026, there are no flights flying from Seattle to Sofia.
The cheapest month to fly from Seattle to Sofia is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Sofia Airport on Monday, 30 March 2026.
No airlines currently offer direct flights between Seattle and Sofia Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Sofia is Turkish Airlines .

Travelling from Seattle to Sofia Airport (SOF): What you need to know

  • Sofia is ten hours ahead of Seattle. Sofia Airport is located in Sofia, which is in the UTC+2 timezone.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your flight from Seattle to SOF.

  • Popular months like July or holiday periods such as Christmas and New Year will mean bigger waits at check-in and security. Be on the safe side and get to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is a smart move.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • We make it a breeze to book cheap flights from Seattle to SOF with a stopover. To explore all the options departing from Seattle-Tacoma International Airport (SEA), deselect 'Direct flights only.' Then, simply choose a flight with a stop long enough to tour the city of your choice. Top stopovers between SEA and SOF include:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Paris Charles de Gaulle Airport (CDG)

  • SEA is about 23 kms (14 miles) from central Seattle. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 35 minutes.

  • Looking for a convenient hotel near Seattle-Tacoma International Airport? If you're catching an early flight from Seattle to Sofia Airport, these accommodation options will put you a quick hop from check-in:

  • Seattle-Tacoma International Airport gets high marks for its on-time performance. 80% of flights that take off from SEA arrive at their destination on time.

Seattle Paine Field International Airport (PAE)

  • On public transport, you can travel from central Seattle to PAE in around 1 hour 30 minutes. The airport is roughly 40 kms (25 miles) away, and getting there by car takes approximately 40 minutes.

  • Get your holiday started early with an additional night away from home. Before catching your Seattle to SOF flight, stay in one of these hotels near Seattle Paine Field International Airport:

  • Seattle Paine Field International Airport is known for its commitment to punctuality. 80% of flights departing here arrive right when they're supposed to.

About Sofia Airport (SOF)

Getting from Sofia Airport (SOF) to central Sofia

  • Central Sofia is around 10 kms (6 miles) from Sofia Airport and takes about 25 minutes to reach by car. Explore your options for getting into the city, whether that's with a taxi, car hire or ride-share.

  • It'll take around 30 minutes if you're travelling by public transport.

How to find the cheapest flights from Seattle to Sofia Airport (SOF)

  • The lowest price we've found for a one-way ticket from Seattle to Sofia Airport is £185. For a return flight on this route, the best price is £473. Depending on the availability and when you book, these fares could change.

  • Booking in advance is often the key to scoring a cheap flight from Seattle to SOF. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

  • If you have some flexibility with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price in each month when searching for your Seattle to Sofia Airport ticket.

  • Be the first to know about deals for plane tickets from Seattle to SOF by setting up a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Find a cheap flight from Seattle to Sofia Airport by using the search filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seattle to Sofia Airport (SOF)

  • December is the quietest month for flights from Seattle to Sofia Airport (SOF), while July is the most popular. Work out the ideal time to go to Sofia based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book a Seattle to SOF plane ticket departing in August if you're eager to experience the city during its warmest month. Expect temperatures in Sofia to range from 13ºC to 32ºC.

  • Look for cheap tickets from Seattle to Sofia Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -11ºC and 7ºC.

More about Sofia

  • Start your Sofia trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Seattle to Sofia Airport, browse our range of hotels including:

  • Your visit to Sofia should come with a side of sightseeing. Big-name attractions that belong on your itinerary include Boyana Church, National Historical Museum and Cathedral of the Dormition.

Explore more of Bulgaria

  • You've seen Sofia, now it's time to explore other corners of Bulgaria. Journey around 129 kms (80 miles) southeast to Plovdiv to check off its top attractions. From Plovdiv Roman Theatre to Municipal Institute "Ancient Plovdiv" and Museum Centre for Contemporary History, you've got a jam-packed schedule ahead.

  • Around 193 kms (120 miles) east of Sofia, Stara Zagora is another essential stop in Bulgaria. Experience major highlights starting with Antique's mosaic, State Opera Stara Zagora and Stara Zagora Art Gallery.

Plan the rest of your trip from Seattle to Sofia

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.