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 16h 21m on average. On the other hand, flying from Spokane to Sofia takes 24h 10m 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 and United Airlines are the most popular carriers 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 46% 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 September 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.

$454 Cheap Flights from Washington to Sofia in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

10:31 am - 8:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

23h 39m2 stops Chicago O'Hare Intl London Heathrow

5:15 pm - 4:50 pmSOF Sofia-SEA Seattle/Tacoma Intl

33h 35m1 stop London Heathrow

$612British Airways

Tue, Feb 16 - Mon, Mar 1

6:45 pm - 8:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

15h 25m1 stop London Heathrow

5:15 pm - 4:50 pmSOF Sofia-SEA Seattle/Tacoma Intl

33h 35m1 stop London Heathrow

$613British Airways

Tue, Feb 16 - Mon, Mar 1

10:31 am - 8:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

23h 39m2 stops Chicago O'Hare Intl London Heathrow

5:15 pm - 8:15 pmSOF Sofia-SEA Seattle/Tacoma Intl

37h 00m2 stops London Heathrow Chicago O'Hare Intl

$616British Airways

Tue, Feb 16 - Mon, Mar 1

3:50 pm - 10:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

22h 05m1 stop Munich Franz Josef Strauss

7:05 pm - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

27h 55m1 stop Munich Franz Josef Strauss

$627Lufthansa

Sun, Oct 25 - Tue, Nov 10

6:50 pm - 11:15 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 25m1 stop Munich Franz Josef Strauss

6:00 am - 2:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 00m1 stop Munich Franz Josef Strauss

$633Lufthansa

Wed, Oct 21 - Wed, Oct 28

12:46 pm - 10:55 pmSEA Seattle/Tacoma Intl-SOF Sofia

24h 09m2 stops Denver Intl Munich Franz Josef Strauss

7:55 am - 12:14 amSOF Sofia-SEA Seattle/Tacoma Intl

26h 19m2 stops Vienna Intl Chicago O'Hare Intl

$646United Airlines

Tue, Mar 2 - Fri, Mar 12

8:00 am - 11:50 amSEA Seattle/Tacoma Intl-SOF Sofia

17h 50m2 stops Washington, D.C. Dulles Intl Vienna Intl

7:55 am - 9:05 pmSOF Sofia-SEA Seattle/Tacoma Intl

23h 10m2 stops Vienna Intl Newark

$650United Airlines

Mon, Mar 1 - Fri, Mar 12

2:50 pm - 6:20 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 30m1 stop Munich Franz Josef Strauss

7:05 pm - 1:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

27h 55m1 stop Munich Franz Josef Strauss

$674Lufthansa

Sun, Nov 15 - Sat, Nov 21

7:15 pm - 3:00 pmSEA Seattle/Tacoma Intl-SOF Sofia

33h 45m1 stop Istanbul

4:00 pm - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

36h 10m1 stop Istanbul

$679Turkish Airlines

Sun, Oct 18 - Tue, Nov 3

7:05 pm - 3:10 pmSEA Seattle/Tacoma Intl-SOF Sofia

34h 05m1 stop Istanbul

9:30 am - 6:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 40m1 stop Istanbul

$717Turkish Airlines

Tue, Mar 2 - Mon, Mar 15

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British Airways flights from State of Washington to Sofia

Our best British Airways deals on State of Washington to Sofia flight tickets

British Airways

Oct 14

SEA8:20 pmSeattle/Tacoma Intl

31h 05m

1 stop

SOF1:25 pmSofia

Oct 19

SOF8:10 pmSofia

25h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$621

British Airways

Mar 18

SEA2:40 pmSeattle/Tacoma Intl

19h 40m

1 stop

SOF7:20 pmSofia

May 10

SOF8:10 pmSofia

25h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$638

British Airways

Mar 18

SEA2:40 pmSeattle/Tacoma Intl

19h 40m

1 stop

SOF7:20 pmSofia

May 10

SOF8:10 pmSofia

38h 06m

2 stops

SEA12:16 amSeattle/Tacoma Intl

$668

Lufthansa flights from State of Washington to Sofia

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

Lufthansa

Oct 25

SEA3:50 pmSeattle/Tacoma Intl

22h 05m

1 stop

SOF10:55 pmSofia

Nov 10

SOF7:05 pmSofia

27h 55m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$627

Lufthansa

Oct 21

SEA6:50 pmSeattle/Tacoma Intl

18h 25m

1 stop

SOF11:15 pmSofia

Oct 28

SOF6:00 amSofia

17h 00m

1 stop

SEA2:00 pmSeattle/Tacoma Intl

$633

Lufthansa

Nov 15

SEA2:50 pmSeattle/Tacoma Intl

17h 30m

1 stop

SOF6:20 pmSofia

Nov 21

SOF7:05 pmSofia

27h 55m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$674

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 2/16

10:31 am-8:10 pm

2 stops23h 39m

Sofia

Mon 3/1

5:15 pm-4:50 pm

1 stop33h 35m

$612

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 2/16

6:45 pm-8:10 pm

1 stop15h 25m

Sofia

Mon 3/1

5:15 pm-4:50 pm

1 stop33h 35m

$613

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 2/16

10:31 am-8:10 pm

2 stops23h 39m

Sofia

Mon 3/1

5:15 pm-8:15 pm

2 stops37h 00m

$616

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/25

3:50 pm-10:55 pm

1 stop22h 05m

Sofia

Tue 11/10

7:05 pm-1:00 pm

1 stop27h 55m

$627

Quickest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-11:15 pm

1 stop18h 25m

Sofia

Wed 10/28

6:00 am-2:00 pm

1 stop17h 00m

$633

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 3/2

12:46 pm-10:55 pm

2 stops24h 09m

Sofia

Fri 3/12

7:55 am-12:14 am

2 stops26h 19m

$646

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 3/1

8:00 am-11:50 am

2 stops17h 50m

Sofia

Fri 3/12

7:55 am-9:05 pm

2 stops23h 10m

$650

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 11/15

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Sat 11/21

7:05 pm-1:00 pm

1 stop27h 55m

$674

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 10/18

7:15 pm-3:00 pm

1 stop33h 45m

Sofia

Tue 11/3

4:00 pm-6:10 pm

1 stop36h 10m

$679

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 3/2

7:05 pm-3:10 pm

1 stop34h 05m

Sofia

Mon 3/15

9:30 am-6:10 pm

1 stop17h 40m

$717

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 $605, 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 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 $770 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 $673 on momondo.

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

You could potentially save up to 39% 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

Best Price Found	$454
Fastest flight time	16h 21m
Direct flights	None

The best one-way flight to Sofia from State of Washington in the past 72 hours is $454. The best round-trip flight deal from State of Washington to Sofia found on momondo in the last 72 hours is $612.

The fastest flight from State of Washington to Sofia takes 16h 21m

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 September 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 1,576 reviews	Search KLM flights
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 8,236 reviews	Search Lufthansa flights
United Airlines	PriceFrom $545	Free Cancellation	Rating 7.4 10,236 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 4,459 reviews	Search Turkish 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 $454

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 11/4. 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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British Airways flights from State of Washington to Sofia

Our best British Airways deals on State of Washington to Sofia flight tickets

Lufthansa flights from State of Washington to Sofia

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

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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

Best Price Found

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Direct flights

Frequently asked questions about flying from Washington to Sofia

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

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Why use momondo?

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.

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