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 15h 05m on average. On the other hand, flying from Spokane to Sofia takes 18h 39m 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.

What is the cheapest airline that flies from Washington to Sofia?

Lufthansa is the most popular carrier operating from Washington to Sofia

What airlines fly to Sofia?

Lufthansa, Turkish Airlines and KLM are the top three most popular airlines that fly to Sofia from State of Washington according to our data. Lufthansa is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Sofia. Keep in mind that there are 4 different airlines that fly to Sofia on a routine basis, so you have a few additional options to choose from.

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 May 2026, there are 4 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.

$317 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.

7:10 pm - 3:00 pm

SEA

SOF

33h 50m

1 stop

3:50 pm - 5:15 pm

SOF

SEA

35h 25m

1 stop

$707Turkish Airlines

Tue, Jul 28 - Tue, Sep 22

7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

3:50 pm - 5:15 pm

SOF

SEA

35h 25m

1 stop

$712Turkish Airlines

Sun, Sep 6 - Tue, Sep 22

6:50 pm - 11:15 pm

SEA

SOF

18h 25m

1 stop

3:40 pm - 6:32 pm

SOF

SEA

36h 52m

2 stops

$760Multiple Airlines

Tue, Aug 4 - Mon, Sep 21

4:30 pm - 2:00 pm

GEG

SOF

35h 30m

2 stops

7:00 am - 4:59 pm

SOF

GEG

19h 59m

2 stops

$812Multiple Airlines

Sun, Aug 2 - Tue, Aug 25

6:03 pm - 11:15 pm

PDX

SOF

19h 12m

2 stops

6:10 am - 11:00 pm

SOF

PDX

26h 50m

2 stops

$814United Airlines

Mon, Aug 3 - Tue, Aug 25

11:30 pm - 11:15 pm

PDX

SOF

37h 45m

2 stops

6:10 am - 8:50 pm

SOF

PDX

24h 40m

2 stops

$821United Airlines

Sat, Aug 1 - Tue, Aug 25

7:00 am - 11:15 pm

PDX

SOF

30h 15m

2 stops

7:00 pm - 8:50 pm

SOF

PDX

35h 50m

2 stops

$838Lufthansa

Sun, Aug 2 - Mon, Aug 24

12:50 pm - 11:15 pm

PDX

SOF

48h 25m

2 stops

7:00 pm - 8:50 pm

SOF

PDX

35h 50m

2 stops

$844Lufthansa

Sat, Aug 1 - Mon, Aug 24

11:19 am - 2:00 pm

GEG

SOF

16h 41m

2 stops

7:00 am - 2:46 pm

SOF

GEG

17h 46m

2 stops

$845KLM

Sun, Aug 9 - Tue, Sep 8

1:52 pm - 2:00 pm

GEG

SOF

38h 08m

2 stops

7:00 am - 2:46 pm

SOF

GEG

17h 46m

2 stops

$851KLM

Sat, Aug 15 - Tue, Sep 15

Turkish Airlines flights from State of Washington to Sofia

Our best Turkish Airlines deals on State of Washington to Sofia flight tickets

Turkish Airlines

Jul 28

SEA7:10 pmSeattle/Tacoma Intl

33h 50m

1 stop

SOF3:00 pmSofia

Sep 22

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$707

Turkish Airlines

Sep 6

SEA7:10 pmSeattle/Tacoma Intl

15h 05m

1 stop

SOF8:15 pmSofia

Sep 22

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$712

Turkish Airlines

Sep 6

SEA7:10 pmSeattle/Tacoma Intl

27h 35m

1 stop

SOF8:45 amSofia

Sep 22

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$714

Air Canada flights from State of Washington to Sofia

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

Air Canada

Sep 6

SEA8:00 amSeattle/Tacoma Intl

24h 10m

2 stops

SOF6:10 pmSofia

Sep 22

SOF6:10 amSofia

26h 32m

2 stops

SEA10:42 pmSeattle/Tacoma Intl

$787

Air Canada

May 18

SEA7:20 pmSeattle/Tacoma Intl

36h 40m

2 stops

SOF6:00 pmSofia

May 24

SOF6:10 amSofia

37h 55m

2 stops

SEA10:05 amSeattle/Tacoma Intl

$1,013

Air Canada

May 14

SEA10:45 amSeattle/Tacoma Intl

21h 55m

2 stops

SOF6:40 pmSofia

May 26

SOF6:10 amSofia

22h 20m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$1,056

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 7/28

7:10 pm-3:00 pm

1 stop33h 50m

Sofia

Tue 9/22

3:50 pm-5:15 pm

1 stop35h 25m

$707

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 9/6

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

Tue 9/22

3:50 pm-5:15 pm

1 stop35h 25m

$712

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 8/4

6:50 pm-11:15 pm

1 stop18h 25m

Sofia

Mon 9/21

3:40 pm-6:32 pm

2 stops36h 52m

$760

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Sun 8/2

4:30 pm-2:00 pm

2 stops35h 30m

Sofia

Tue 8/25

7:00 am-4:59 pm

2 stops19h 59m

$812

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 8/3

6:03 pm-11:15 pm

2 stops19h 12m

Sofia

Tue 8/25

6:10 am-11:00 pm

2 stops26h 50m

$814

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 8/1

11:30 pm-11:15 pm

2 stops37h 45m

Sofia

Tue 8/25

6:10 am-8:50 pm

2 stops24h 40m

$821

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sun 8/2

7:00 am-11:15 pm

2 stops30h 15m

Sofia

Mon 8/24

7:00 pm-8:50 pm

2 stops35h 50m

$838

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 8/1

12:50 pm-11:15 pm

2 stops48h 25m

Sofia

Mon 8/24

7:00 pm-8:50 pm

2 stops35h 50m

$844

Quickest round-trip

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Sun 8/9

11:19 am-2:00 pm

2 stops16h 41m

Sofia

Tue 9/8

7:00 am-2:46 pm

2 stops17h 46m

$845

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Sat 8/15

1:52 pm-2:00 pm

2 stops38h 08m

Sofia

Tue 9/15

7:00 am-2:46 pm

2 stops17h 46m

$851

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

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What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from State of Washington is in April. Flight prices, which tend to average around $481, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Sofia from State of Washington during December instead. Flights to Sofia in December, while not as cheap as those in April, still average around $499.

How far in advance should I book a flight from Washington 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 $750 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 $677 on momondo.

Can stopping save me money on State of Washington to Sofia flights?

You could potentially save up to 23% on your flight if you consider stops on a State of Washington to Sofia flight.

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	15h 05m
Direct flights	None

The fastest flight from State of Washington to Sofia takes 15h 05m

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

Frequently asked questions about flying from Washington to Sofia

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 May 2026, there are 4 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
KLM	PriceFrom $538	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 7,974 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $573	Free Cancellation	Rating 7.4 4,351 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights

Bansko

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.

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Cheap flights from Washington to Sofia from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Sofia departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

What is the cheapest month to fly to Sofia?

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

Can stopping save me money on State of Washington to Sofia flights?

What is the cheapest airline that flies from Washington to Sofia?

What airlines fly to Sofia?

How long does it take to fly to Sofia?

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

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Frequently asked questions about flying from Washington to Sofia

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Why use momondo?

An easier way to manage your Sofia trip

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