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 24h 21m 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 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 47% 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.

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

Turkish Airlines is the most popular carrier operating 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 December 2025, 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.

$461 Cheap Flights from Washington to Sofia in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Sofia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 2:05 pm

PDX

SOF

21h 05m2 stops

7:00 am - 3:11 pm

SOF

PDX

18h 11m2 stops

$485Multiple Airlines

Mon, Feb 2 - Thu, Feb 12

7:40 am - 2:05 pm

SEA

SOF

20h 25m2 stops

7:00 am - 11:50 am

SOF

SEA

14h 50m1 stop

$486KLM

Thu, Jan 22 - Thu, Jan 29

7:40 am - 1:55 pm

SEA

SOF

20h 15m2 stops

7:00 am - 11:50 am

SOF

SEA

14h 50m1 stop

$487Multiple Airlines

Fri, Jan 23 - Fri, Jan 30

7:40 am - 2:05 pm

SEA

SOF

20h 25m2 stops

7:00 am - 8:46 pm

SOF

SEA

23h 46m2 stops

$490KLM

Thu, Jan 22 - Thu, Jan 29

2:16 pm - 11:10 pm

SEA

SOF

22h 54m2 stops

6:20 am - 12:20 pm

SOF

SEA

16h 00m1 stop

$496Lufthansa

Wed, Apr 1 - Wed, Apr 8

6:50 pm - 11:10 pm

SEA

SOF

18h 20m1 stop

6:20 am - 12:20 pm

SOF

SEA

16h 00m1 stop

$497Lufthansa

Wed, Apr 1 - Wed, Apr 8

7:00 pm - 6:20 pm

PDX

SOF

37h 20m2 stops

6:10 am - 9:15 am

SOF

PDX

37h 05m2 stops

$533Air Canada

Sat, Jan 31 - Mon, Feb 9

7:00 pm - 6:20 pm

PDX

SOF

37h 20m2 stops

6:05 am - 2:40 pm

SOF

PDX

42h 35m2 stops

$535Air Canada

Sat, Jan 31 - Fri, Feb 13

8:40 am - 10:45 pm

SEA

SOF

28h 05m3 stops

6:10 am - 12:10 pm

SOF

SEA

16h 00m1 stop

$535United Airlines

Thu, Jan 29 - Mon, Feb 2

1:24 pm - 6:20 pm

PDX

SOF

18h 56m3 stops

6:10 am - 9:12 pm

SOF

PDX

25h 02m2 stops

$539United Airlines

Fri, Jan 30 - Wed, Feb 11

Lufthansa flights from State of Washington to Sofia

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

Lufthansa

Apr 1

SEA2:16 pmSeattle/Tacoma Intl

22h 54m

2 stops

SOF11:10 pmSofia

Apr 8

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$496

Find similar

Lufthansa

Apr 1

SEA6:50 pmSeattle/Tacoma Intl

18h 20m

1 stop

SOF11:10 pmSofia

Apr 8

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$497

Find similar

Lufthansa

Jan 23

SEA3:10 pmSeattle/Tacoma Intl

17h 10m

1 stop

SOF6:20 pmSofia

Jan 30

SOF6:05 amSofia

17h 15m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$502

Find similar

Turkish Airlines flights from State of Washington to Sofia

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

Turkish Airlines

Mar 9

SEA8:00 pmSeattle/Tacoma Intl

15h 50m

1 stop

SOF8:50 pmSofia

Apr 27

SOF9:35 amSofia

23h 15m

2 stops

SEA10:50 pmSeattle/Tacoma Intl

$575

Find similar

Turkish Airlines

Apr 1

SEA7:10 pmSeattle/Tacoma Intl

27h 35m

1 stop

SOF8:45 amSofia

Apr 8

SOF3:50 pmSofia

35h 25m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$590

Find similar

Turkish Airlines

Mar 9

SEA8:00 pmSeattle/Tacoma Intl

15h 50m

1 stop

SOF8:50 pmSofia

Apr 27

SOF9:35 amSofia

17h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$592

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSofia

PDX - SOF

PDXSOF

Portland

Mon 2/2

7:00 am-2:05 pm

2 stops21h 05m

Sofia

Thu 2/12

7:00 am-3:11 pm

2 stops18h 11m

$485

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 1/22

7:40 am-2:05 pm

2 stops20h 25m

Sofia

Thu 1/29

7:00 am-11:50 am

1 stop14h 50m

$486

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Fri 1/23

7:40 am-1:55 pm

2 stops20h 15m

Sofia

Fri 1/30

7:00 am-11:50 am

1 stop14h 50m

$487

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 1/22

7:40 am-2:05 pm

2 stops20h 25m

Sofia

Thu 1/29

7:00 am-8:46 pm

2 stops23h 46m

$490

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

2:16 pm-11:10 pm

2 stops22h 54m

Sofia

Wed 4/8

6:20 am-12:20 pm

1 stop16h 00m

$496

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

6:50 pm-11:10 pm

1 stop18h 20m

Sofia

Wed 4/8

6:20 am-12:20 pm

1 stop16h 00m

$497

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 1/31

7:00 pm-6:20 pm

2 stops37h 20m

Sofia

Mon 2/9

6:10 am-9:15 am

2 stops37h 05m

$533

PortlandSofia

PDX - SOF

PDXSOF

Portland

Sat 1/31

7:00 pm-6:20 pm

2 stops37h 20m

Sofia

Fri 2/13

6:05 am-2:40 pm

2 stops42h 35m

$535

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 1/29

8:40 am-10:45 pm

3 stops28h 05m

Sofia

Mon 2/2

6:10 am-12:10 pm

1 stop16h 00m

$535

PortlandSofia

PDX - SOF

PDXSOF

Portland

Fri 1/30

1:24 pm-6:20 pm

3 stops18h 56m

Sofia

Wed 2/11

6:10 am-9:12 pm

2 stops25h 02m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Saturday is the cheapest day to fly to Sofia from State of Washington. The lowest ticket price found for a Saturday departure recently was $897. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from State of Washington to Sofia on a Friday will generally be more expensive and average around $1,269. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the evening is the cheapest time of day to fly from State of Washington to Sofia when you can find flight prices for as low as $897. Flying to Sofia in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,099 per ticket.

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 $784 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 $701 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	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

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 December 2025, 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 $541	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
Air France	PriceFrom $555	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.3 4,090 reviews	Search Turkish Airlines flights
KLM	PriceFrom $615	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
United Airlines	PriceFrom $676	Free Cancellation	Rating 7.4 9,095 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.

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 1/10

Sat 1/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Cheap flights from Washington to Sofia from $461

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 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Sofia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Lufthansa flights from State of Washington to Sofia

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

Turkish Airlines flights from State of Washington to Sofia

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Sofia that are best for you.

See travel insights to Sofia from

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

What is the cheapest month to fly to Sofia?

What is the cheapest day to depart on your flight to Sofia?

What is the cheapest time of day to depart on your flight to Sofia?

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

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

Turkish Airlines is the most popular carrier operating 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

Fastest flight time

Direct flights

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

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

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

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

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

Traveling to a place near Sofia?

Why use momondo?

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

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

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

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

An easier way to manage your Sofia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Fly your favorite airline to Sofia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo