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 39% 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.

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 12m 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?

United Airlines, KLM, and Lufthansa are the most popular carriers 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 March 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.

$265 Cheap Flights from Washington to Sofia in 2026

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Cheap round-trip flights

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7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

9:35 am - 5:15 pm

SOF

SEA

17h 40m

1 stop

$595Turkish Airlines

dom., sep. 6 - mar., sep. 22

7:10 pm - 8:15 pm

SEA

SOF

15h 05m

1 stop

9:35 am - 5:15 pm

SOF

SEA

17h 40m

1 stop

$596Turkish Airlines

jue., abr. 23 - jue., may. 28

5:15 am - 1:25 pm

PDX

SOF

46h 10m

2 stops

9:05 pm - 9:42 pm

SOF

PDX

34h 37m

2 stops

$825British Airways

mié., jul. 29 - dom., ago. 16

8:35 am - 6:05 pm

PDX

SOF

23h 30m

2 stops

11:50 am - 7:06 pm

SOF

PDX

41h 16m

2 stops

$890Lufthansa

mié., jul. 29 - dom., ago. 16

3:30 pm - 1:25 pm

PDX

SOF

35h 55m

2 stops

6:30 am - 7:06 pm

SOF

PDX

22h 36m

2 stops

$901Lufthansa

dom., may. 24 - jue., oct. 15

8:40 am - 10:30 pm

PDX

SOF

27h 50m

2 stops

6:10 am - 9:10 am

SOF

PDX

37h 00m

2 stops

$910Multiple Airlines

vie., abr. 3 - mar., abr. 7

12:50 pm - 11:00 pm

PDX

SOF

24h 10m

2 stops

6:20 am - 8:20 pm

SOF

PDX

24h 00m

2 stops

$936United Airlines

mié., jul. 29 - sáb., ago. 15

7:30 pm - 1:25 pm

PDX

SOF

31h 55m

1 stop

9:05 pm - 11:13 pm

SOF

PDX

36h 08m

2 stops

$971British Airways

mié., jul. 29 - dom., ago. 16

6:30 am - 2:00 pm

PDX

SOF

21h 30m

2 stops

7:00 am - 11:10 am

SOF

PDX

14h 10m

1 stop

$976Multiple Airlines

vie., abr. 3 - mar., abr. 7

8:35 am - 6:40 pm

PDX

SOF

24h 05m

3 stops

6:20 am - 8:20 pm

SOF

PDX

24h 00m

2 stops

$992United Airlines

mié., jul. 29 - sáb., ago. 15

United Airlines flights from State of Washington to Sofia

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

United Airlines

Aug 10

SEA2:33 pmSeattle/Tacoma Intl

18h 07m

2 stops

SOF6:40 pmSofia

Nov 5

SOF6:10 amSofia

16h 00m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$701

United Airlines

Aug 16

SEA6:50 pmSeattle/Tacoma Intl

18h 10m

1 stop

SOF11:00 pmSofia

Nov 5

SOF6:10 amSofia

26h 06m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$705

United Airlines

Aug 10

SEA2:33 pmSeattle/Tacoma Intl

18h 07m

2 stops

SOF6:40 pmSofia

Nov 3

SOF6:10 amSofia

26h 06m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$709

Air Canada flights from State of Washington to Sofia

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

Air Canada

Aug 16

SEA8:00 amSeattle/Tacoma Intl

24h 40m

2 stops

SOF6:40 pmSofia

Nov 2

SOF1:55 pmSofia

58h 36m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$717

Air Canada

Aug 12

SEA8:00 amSeattle/Tacoma Intl

24h 05m

2 stops

SOF6:05 pmSofia

Nov 2

SOF1:55 pmSofia

53h 56m

2 stops

SEA9:51 amSeattle/Tacoma Intl

$729

Air Canada

Aug 16

SEA8:00 amSeattle/Tacoma Intl

24h 40m

2 stops

SOF6:40 pmSofia

Nov 7

SOF2:00 pmSofia

41h 56m

2 stops

SEA9:56 pmSeattle/Tacoma Intl

$767

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

dom. 9/6

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

mar. 9/22

9:35 am-5:15 pm

1 stop17h 40m

$595

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

jue. 4/23

7:10 pm-8:15 pm

1 stop15h 05m

Sofia

jue. 5/28

9:35 am-5:15 pm

1 stop17h 40m

$596

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 7/29

5:15 am-1:25 pm

2 stops46h 10m

Sofia

dom. 8/16

9:05 pm-9:42 pm

2 stops34h 37m

$825

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 7/29

8:35 am-6:05 pm

2 stops23h 30m

Sofia

dom. 8/16

11:50 am-7:06 pm

2 stops41h 16m

$890

PortlandSofia

PDX - SOF

PDXSOF

Portland

dom. 5/24

3:30 pm-1:25 pm

2 stops35h 55m

Sofia

jue. 10/15

6:30 am-7:06 pm

2 stops22h 36m

$901

PortlandSofia

PDX - SOF

PDXSOF

Portland

vie. 4/3

8:40 am-10:30 pm

2 stops27h 50m

Sofia

mar. 4/7

6:10 am-9:10 am

2 stops37h 00m

$910

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 7/29

12:50 pm-11:00 pm

2 stops24h 10m

Sofia

sáb. 8/15

6:20 am-8:20 pm

2 stops24h 00m

$936

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 7/29

7:30 pm-1:25 pm

1 stop31h 55m

Sofia

dom. 8/16

9:05 pm-11:13 pm

2 stops36h 08m

$971

PortlandSofia

PDX - SOF

PDXSOF

Portland

vie. 4/3

6:30 am-2:00 pm

2 stops21h 30m

Sofia

mar. 4/7

7:00 am-11:10 am

1 stop14h 10m

$976

PortlandSofia

PDX - SOF

PDXSOF

Portland

mié. 7/29

8:35 am-6:40 pm

3 stops24h 05m

Sofia

sáb. 8/15

6:20 am-8:20 pm

2 stops24h 00m

$992

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

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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 $762 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 $617 on momondo.

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

You could potentially save up to 42% 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	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 March 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 1,475 reviews	Search KLM flights
Lufthansa	PriceFrom $541	Free Cancellation	Rating 6.8 7,859 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.3 4,266 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $620	Free Cancellation	Rating 7.4 9,452 reviews	Search United Airlines flights

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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 $265

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 4/30. 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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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?

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