What airlines fly to Sofia?

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Sofia from State of Washington according to our data. Turkish Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 5 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Sofia?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in Sofia you fly into. For example, flying from Seattle to Sofia takes 13h 50m on average. On the other hand, flying from Spokane to Sofia takes 23h 01m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Washington to Sofia Airport?

Prices for flights from Washington to Sofia Airport are updated daily.

How many operators does momondo search for flights from Washington to Sofia Airport?

As of January 2026, there are 5 operators available to choose from for flights from Washington to Sofia Airport.

How old do you have to be to fly from Washington to Sofia Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Sofia Airport.

What documentation or ID do you need to fly to Sofia Airport?

The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$277 Cheap Flights from Washington to Sofia in 2026

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Find the cheapest flights from Washington to Sofia

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 1:50 pm

SEA

SOF

13h 50m

1 stop

6:05 am - 2:20 pm

SOF

SEA

17h 15m

1 stop

$505Lufthansa

Thu, Mar 5 - Wed, Mar 11

10:10 am - 6:40 pm

SEA

SOF

22h 30m

2 stops

6:20 am - 12:20 pm

SOF

SEA

16h 00m

1 stop

$518Lufthansa

Mon, Mar 30 - Wed, Apr 15

2:24 pm - 11:10 pm

SEA

SOF

22h 46m

2 stops

6:20 am - 12:20 pm

SOF

SEA

16h 00m

1 stop

$523Lufthansa

Wed, Apr 1 - Wed, Apr 8

2:00 pm - 1:50 pm

SEA

SOF

13h 50m

1 stop

6:10 am - 10:16 pm

SOF

SEA

25h 06m

2 stops

$528Multiple Airlines

Thu, Mar 5 - Wed, Mar 11

2:24 pm - 11:10 pm

SEA

SOF

22h 46m

2 stops

11:05 am - 11:27 pm

SOF

SEA

22h 22m

2 stops

$532Multiple Airlines

Wed, Apr 1 - Wed, Apr 8

1:30 pm - 10:45 pm

PDX

SOF

23h 15m

2 stops

6:10 am - 9:52 pm

SOF

PDX

24h 42m

2 stops

$547United Airlines

Thu, Mar 5 - Mon, Mar 9

1:30 pm - 10:45 pm

PDX

SOF

23h 15m

2 stops

1:45 pm - 11:04 pm

SOF

PDX

42h 19m

2 stops

$610United Airlines

Thu, Mar 5 - Mon, Mar 9

7:00 am - 2:05 pm

PDX

SOF

21h 05m

2 stops

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

$742KLM

Fri, Feb 27 - Fri, Mar 6

1:05 pm - 2:00 pm

PDX

SOF

14h 55m

1 stop

7:00 am - 11:10 am

SOF

PDX

14h 10m

1 stop

$941Scandinavian Airlines

Wed, Jul 15 - Mon, Aug 17

1:25 pm - 2:05 pm

PDX

SOF

14h 40m

1 stop

7:00 am - 11:25 am

SOF

PDX

14h 25m

1 stop

$964KLM

Fri, Feb 27 - Fri, Mar 6

Air Canada flights from State of Washington to Sofia

Our best Air Canada deals on State of Washington to Sofia flight tickets

Air Canada

May 2

SEA7:20 pmSeattle/Tacoma Intl

36h 50m

2 stops

SOF6:10 pmSofia

Nov 18

SOF6:10 amSofia

25h 46m

3 stops

SEA9:56 pmSeattle/Tacoma Intl

$540

Air Canada

Feb 5

SEA3:40 pmSeattle/Tacoma Intl

40h 40m

3 stops

SOF6:20 pmSofia

Feb 19

SOF6:05 amSofia

23h 11m

3 stops

SEA7:16 pmSeattle/Tacoma Intl

$1,074

Air Canada

Feb 27

PDX9:50 amPortland

22h 25m

3 stops

SOF6:15 pmSofia

Mar 6

SOF6:10 amSofia

37h 05m

3 stops

PDX9:15 amPortland

$1,307

Lufthansa flights from State of Washington to Sofia

Our best Lufthansa deals on State of Washington to Sofia flight tickets

Lufthansa

Mar 5

SEA2:00 pmSeattle/Tacoma Intl

13h 50m

1 stop

SOF1:50 pmSofia

Mar 11

SOF6:05 amSofia

17h 15m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$505

Lufthansa

Mar 30

SEA10:10 amSeattle/Tacoma Intl

22h 30m

2 stops

SOF6:40 pmSofia

Apr 15

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$518

Lufthansa

Apr 1

SEA2:24 pmSeattle/Tacoma Intl

22h 46m

2 stops

SOF11:10 pmSofia

Apr 8

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$523

Fly from

Fly to

Route

Depart

Return

Price

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 3/5

2:00 pm-1:50 pm

1 stop13h 50m

Sofia

Wed 3/11

6:05 am-2:20 pm

1 stop17h 15m

$505

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 3/30

10:10 am-6:40 pm

2 stops22h 30m

Sofia

Wed 4/15

6:20 am-12:20 pm

1 stop16h 00m

$518

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

2:24 pm-11:10 pm

2 stops22h 46m

Sofia

Wed 4/8

6:20 am-12:20 pm

1 stop16h 00m

$523

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 3/5

2:00 pm-1:50 pm

1 stop13h 50m

Sofia

Wed 3/11

6:10 am-10:16 pm

2 stops25h 06m

$528

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

2:24 pm-11:10 pm

2 stops22h 46m

Sofia

Wed 4/8

11:05 am-11:27 pm

2 stops22h 22m

$532

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 3/5

1:30 pm-10:45 pm

2 stops23h 15m

Sofia

Mon 3/9

6:10 am-9:52 pm

2 stops24h 42m

$547

PortlandSofia

PDX - SOF

PDXSOF

Portland

Thu 3/5

1:30 pm-10:45 pm

2 stops23h 15m

Sofia

Mon 3/9

1:45 pm-11:04 pm

2 stops42h 19m

$610

PortlandSofia

PDX - SOF

PDXSOF

Portland

Fri 2/27

7:00 am-2:05 pm

2 stops21h 05m

Sofia

Fri 3/6

7:00 am-11:25 am

1 stop14h 25m

$742

PortlandSofia

PDX - SOF

PDXSOF

Portland

Wed 7/15

1:05 pm-2:00 pm

1 stop14h 55m

Sofia

Mon 8/17

7:00 am-11:10 am

1 stop14h 10m

$941

PortlandSofia

PDX - SOF

PDXSOF

Portland

Fri 2/27

1:25 pm-2:05 pm

1 stop14h 40m

Sofia

Fri 3/6

7:00 am-11:25 am

1 stop14h 25m

$964

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from State of Washington is in October. Flight prices, which tend to average around $587, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Sofia from State of Washington during January instead. Flights to Sofia in January, while not as cheap as those in October, still average around $615.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $790 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from State of Washington for as low as $598 on momondo.

Cheap State of Washington to Sofia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Sofia

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from State of Washington to Sofia takes 13h 50m

There are no direct flights from State of Washington to Sofia. There are no popular flight routes from State of Washington to Sofia.

Search flight deals

When did momondo last update prices for flights from Washington to Sofia Airport?
Prices for flights from Washington to Sofia Airport are updated daily.
How many operators does momondo search for flights from Washington to Sofia Airport?
As of January 2026, there are 5 operators available to choose from for flights from Washington to Sofia Airport.
How old do you have to be to fly from Washington to Sofia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Sofia Airport.
What documentation or ID do you need to fly to Sofia Airport?
The travel and health documents required for your trip to Sofia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sofia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Sofia

Compare and see reviews for airlines that fly from State of Washington to Sofia with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 7,753 reviews	Search Lufthansa flights
KLM	PriceFrom $548	Free Cancellation	Rating 7.7 1,443 reviews	Search KLM flights
Air France	PriceFrom $555	Free Cancellation	Rating 7.4 1,528 reviews	Search Air France flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.3 4,208 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,214 reviews	Search United Airlines flights

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Borovets

Velingrad

Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Sofia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Sofia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from Washington with this policy.

How can momondo help me find flights from Washington to Sofia?

momondo helps you find the best flight between Washington and Sofia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Sofia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Sofia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.