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 18h 20m on average. On the other hand, flying from Spokane to Sofia takes 28h 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?

British Airways 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 42% 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 November 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.

$309 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.

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

17h 30m1 stop Munich Franz Josef Strauss

6:25 am - 6:22 pmSOF Sofia-SEA Seattle/Tacoma Intl

21h 57m2 stops Frankfurt am Main Vancouver Intl

$705Lufthansa

Sun, Feb 7 - Thu, Feb 11

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

17h 30m1 stop Munich Franz Josef Strauss

6:25 am - 12:00 pmSOF Sofia-SEA Seattle/Tacoma Intl

15h 35m1 stop Frankfurt am Main

$705Lufthansa

Sun, Feb 7 - Thu, Feb 11

10:10 am - 1:25 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 15m2 stops Vancouver Intl Frankfurt am Main

6:25 am - 6:22 pmSOF Sofia-SEA Seattle/Tacoma Intl

21h 57m2 stops Frankfurt am Main Vancouver Intl

$717Multiple Airlines

Sun, Feb 7 - Thu, Feb 11

10:10 am - 1:25 pmSEA Seattle/Tacoma Intl-SOF Sofia

17h 15m2 stops Vancouver Intl Frankfurt am Main

6:25 am - 2:37 pmSOF Sofia-SEA Seattle/Tacoma Intl

18h 12m2 stops Frankfurt am Main Vancouver Intl

$717Lufthansa

Sun, Feb 7 - Thu, Feb 11

8:40 am - 6:45 pmSEA Seattle/Tacoma Intl-SOF Sofia

24h 05m2 stops Vancouver Intl Munich Franz Josef Strauss

6:20 am - 10:15 pmSOF Sofia-SEA Seattle/Tacoma Intl

25h 55m2 stops Frankfurt am Main Vancouver Intl

$726Air Canada

Tue, Apr 27 - Wed, May 12

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

22h 35m2 stops Vancouver Intl Munich Franz Josef Strauss

6:20 am - 6:35 pmSOF Sofia-SEA Seattle/Tacoma Intl

22h 15m2 stops Frankfurt am Main Vancouver Intl

$726Air Canada

Tue, Apr 27 - Fri, May 7

6:50 pm - 11:05 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 15m1 stop Munich Franz Josef Strauss

6:20 am - 10:15 pmSOF Sofia-SEA Seattle/Tacoma Intl

25h 55m2 stops Frankfurt am Main Vancouver Intl

$726United Airlines

Mon, May 3 - Wed, May 12

6:50 pm - 11:05 pmSEA Seattle/Tacoma Intl-SOF Sofia

18h 15m1 stop Munich Franz Josef Strauss

6:20 am - 6:35 pmSOF Sofia-SEA Seattle/Tacoma Intl

22h 15m2 stops Frankfurt am Main Vancouver Intl

$726United Airlines

Mon, May 3 - Fri, May 7

7:05 pm - 8:40 amSEA Seattle/Tacoma Intl-SOF Sofia

27h 35m1 stop Istanbul

9:30 am - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 40m1 stop Istanbul

$788Turkish Airlines

Wed, Feb 3 - Wed, Feb 24

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

34h 05m1 stop Istanbul

9:30 am - 5:10 pmSOF Sofia-SEA Seattle/Tacoma Intl

17h 40m1 stop Istanbul

$888Turkish Airlines

Wed, Feb 3 - Mon, Feb 22

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United Airlines flights from State of Washington to Sofia

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

United Airlines

May 3

SEA6:50 pmSeattle/Tacoma Intl

18h 15m

1 stop

SOF11:05 pmSofia

May 7

SOF6:20 amSofia

16h 00m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$727

United Airlines

May 3

SEA6:50 pmSeattle/Tacoma Intl

18h 15m

1 stop

SOF11:05 pmSofia

May 6

SOF6:00 amSofia

21h 20m

1 stop

SEA5:20 pmSeattle/Tacoma Intl

$728

United Airlines

Apr 28

SEA1:12 pmSeattle/Tacoma Intl

23h 53m

2 stops

SOF11:05 pmSofia

May 12

SOF6:20 amSofia

17h 55m

2 stops

SEA2:15 pmSeattle/Tacoma Intl

$730

Lufthansa flights from State of Washington to Sofia

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

Lufthansa

Feb 7

SEA2:50 pmSeattle/Tacoma Intl

17h 30m

1 stop

SOF6:20 pmSofia

Feb 11

SOF6:25 amSofia

15h 35m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$705

Lufthansa

Feb 7

SEA10:10 amSeattle/Tacoma Intl

17h 15m

2 stops

SOF1:25 pmSofia

Feb 11

SOF6:25 amSofia

18h 12m

2 stops

SEA2:37 pmSeattle/Tacoma Intl

$717

Lufthansa

Feb 4

SEA7:00 amSeattle/Tacoma Intl

29h 55m

2 stops

SOF10:55 pmSofia

Feb 25

SOF6:25 amSofia

15h 35m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Thu 2/11

6:25 am-6:22 pm

2 stops21h 57m

$705

Quickest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Thu 2/11

6:25 am-12:00 pm

1 stop15h 35m

$705

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

10:10 am-1:25 pm

2 stops17h 15m

Sofia

Thu 2/11

6:25 am-6:22 pm

2 stops21h 57m

$717

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

10:10 am-1:25 pm

2 stops17h 15m

Sofia

Thu 2/11

6:25 am-2:37 pm

2 stops18h 12m

$717

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 4/27

8:40 am-6:45 pm

2 stops24h 05m

Sofia

Wed 5/12

6:20 am-10:15 pm

2 stops25h 55m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Tue 4/27

10:10 am-6:45 pm

2 stops22h 35m

Sofia

Fri 5/7

6:20 am-6:35 pm

2 stops22h 15m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-11:05 pm

1 stop18h 15m

Sofia

Wed 5/12

6:20 am-10:15 pm

2 stops25h 55m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-11:05 pm

1 stop18h 15m

Sofia

Fri 5/7

6:20 am-6:35 pm

2 stops22h 15m

$726

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Wed 2/3

7:05 pm-8:40 am

1 stop27h 35m

Sofia

Wed 2/24

9:30 am-5:10 pm

1 stop17h 40m

$788

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Wed 2/3

7:05 pm-3:10 pm

1 stop34h 05m

Sofia

Mon 2/22

9:30 am-5:10 pm

1 stop17h 40m

$888

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 January. Flight prices, which tend to average around $615, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Sofia from State of Washington during April instead. Flights to Sofia in April, while not as cheap as those in January, still average around $634.

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 $817 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 $691 on momondo.

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

You could potentially save up to 44% 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	$309
Fastest flight time	18h 20m
Direct flights	None

The best one-way flight to Sofia from State of Washington in the past 72 hours is $309. The best round-trip flight deal from State of Washington to Sofia found on momondo in the last 72 hours is $705.

The fastest flight from State of Washington to Sofia takes 18h 20m

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 November 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 1,594 reviews	Search KLM flights
Lufthansa	PriceFrom $559	Free Cancellation	Rating 6.8 8,297 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.3 10,469 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 $309

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 5/3. 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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United Airlines flights from State of Washington to Sofia

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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

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Frequently asked questions about flying from Washington to Sofia

Best airlines flying from State of Washington to Sofia

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Why use momondo?

An easier way to manage your Sofia trip

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