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Cheap flights from Sofia to Seattle from $598

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sofia to Seattle departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sofia to Seattle

Cheap round-trip flights

Logo
2:35 pm - 10:36 amSOF-SEA
30h 01m2 stops
Logo
11:45 am - 5:50 pmSEA-SOF
20h 05m2 stops
$778
Find Deal
vie., feb. 13 - sáb., feb. 28
Turkish Airlines Logo
9:40 pm - 6:05 pmSOF-SEA
29h 25m1 stop
Turkish Airlines Logo
7:00 pm - 8:50 pmSEA-SOF
15h 50m1 stop
$794Turkish Airlines
Find Deal
sáb., nov. 1 - dom., nov. 16
American Airlines Logo
2:20 pm - 11:35 amSOF-SEA
31h 15m1 stop
American Airlines Logo
12:59 am - 11:15 amSEA-SOF
48h 16m2 stops
$802American Airlines
Find Deal
vie., oct. 24 - mié., nov. 5
American Airlines Logo
2:20 pm - 11:35 amSOF-SEA
31h 15m1 stop
American Airlines Logo
5:24 am - 11:15 amSEA-SOF
43h 51m2 stops
$811American Airlines
Find Deal
vie., oct. 24 - jue., nov. 6
KLM Logo
7:00 am - 4:05 pmSOF-SEA
19h 05m1 stop
KLM Logo
2:00 pm - 2:00 pmSEA-SOF
14h 00m1 stop
$837KLM
Find Deal
mar., oct. 7 - mar., oct. 14
KLM Logo
7:00 am - 11:50 amSOF-SEA
14h 50m1 stop
KLM Logo
10:25 am - 2:00 pmSEA-SOF
17h 35m2 stops
$842KLM
Find Deal
mar., oct. 7 - mar., oct. 14
Lufthansa Logo
6:00 am - 12:10 pmSOF-SEA
16h 10m1 stop
Lufthansa Logo
2:10 pm - 6:20 pmSEA-SOF
18h 10m2 stops
$874Lufthansa
Find Deal
jue., dic. 18 - mar., ene. 6
Lufthansa Logo
6:00 am - 12:10 pmSOF-SEA
16h 10m1 stop
Lufthansa Logo
2:00 pm - 10:45 pmSEA-SOF
22h 45m1 stop
$875Lufthansa
Find Deal
jue., dic. 18 - mar., ene. 6
United Airlines Logo
6:00 am - 12:10 pmSOF-SEA
16h 10m1 stop
United Airlines Logo
7:00 am - 1:15 pmSEA-SOF
20h 15m2 stops
$879United Airlines
Find Deal
mar., dic. 16 - mar., ene. 6
United Airlines Logo
6:00 am - 12:10 pmSOF-SEA
16h 10m1 stop
United Airlines Logo
5:00 am - 1:50 pmSEA-SOF
22h 50m3 stops
$881United Airlines
Find Deal
mar., dic. 16 - mié., ene. 7

American Airlines flights from Sofia to Seattle

Our best American Airlines deals on Sofia to Seattle flight tickets
American Airlines
Oct 24
SOF2:20 pmSofia
31h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Nov 5
SEA12:59 amSeattle/Tacoma Intl
48h 16m
2 stops
SOF11:15 amSofia
$802
Find similar
American Airlines
Oct 24
SOF2:20 pmSofia
31h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Nov 6
SEA5:24 amSeattle/Tacoma Intl
43h 51m
2 stops
SOF11:15 amSofia
$811
Find similar
American Airlines
Oct 24
SOF2:20 pmSofia
39h 07m
2 stops
SEA7:27 pmSeattle/Tacoma Intl
Nov 5
SEA12:59 amSeattle/Tacoma Intl
48h 16m
2 stops
SOF11:15 amSofia
$821
Find similar

Lufthansa flights from Sofia to Seattle

Our best Lufthansa deals on Sofia to Seattle flight tickets
Lufthansa
Dec 18
SOF6:00 amSofia
16h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Jan 6
SEA2:10 pmSeattle/Tacoma Intl
18h 10m
2 stops
SOF6:20 pmSofia
$874
Find similar
Lufthansa
Dec 18
SOF6:00 amSofia
16h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Jan 6
SEA2:00 pmSeattle/Tacoma Intl
22h 45m
1 stop
SOF10:45 pmSofia
$875
Find similar
Lufthansa
Feb 12
SOF6:00 amSofia
16h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Feb 27
SEA3:10 pmSeattle/Tacoma Intl
21h 35m
1 stop
SOF10:45 pmSofia
$880
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sofia to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Sofia to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

vie. 2/13

2:35 pm-10:36 am

2 stops30h 01m

Seattle/Tacoma Intl

sáb. 2/28

11:45 am-5:50 pm

2 stops20h 05m

$778

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

sáb. 11/1

9:40 pm-6:05 pm

1 stop29h 25m

Seattle/Tacoma Intl

dom. 11/16

7:00 pm-8:50 pm

1 stop15h 50m

$794

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

vie. 10/24

2:20 pm-11:35 am

1 stop31h 15m

Seattle/Tacoma Intl

mié. 11/5

12:59 am-11:15 am

2 stops48h 16m

$802

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

vie. 10/24

2:20 pm-11:35 am

1 stop31h 15m

Seattle/Tacoma Intl

jue. 11/6

5:24 am-11:15 am

2 stops43h 51m

$811

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

mar. 10/7

7:00 am-4:05 pm

1 stop19h 05m

Seattle/Tacoma Intl

mar. 10/14

2:00 pm-2:00 pm

1 stop14h 00m

$837

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

mar. 10/7

7:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

mar. 10/14

10:25 am-2:00 pm

2 stops17h 35m

$842

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

jue. 12/18

6:00 am-12:10 pm

1 stop16h 10m

Seattle/Tacoma Intl

mar. 1/6

2:10 pm-6:20 pm

2 stops18h 10m

$874

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

jue. 12/18

6:00 am-12:10 pm

1 stop16h 10m

Seattle/Tacoma Intl

mar. 1/6

2:00 pm-10:45 pm

1 stop22h 45m

$875

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

mar. 12/16

6:00 am-12:10 pm

1 stop16h 10m

Seattle/Tacoma Intl

mar. 1/6

7:00 am-1:15 pm

2 stops20h 15m

$879

SofiaSeattle

SOF - SEA

SOFSEA

Sofia

mar. 12/16

6:00 am-12:10 pm

1 stop16h 10m

Seattle/Tacoma Intl

mié. 1/7

5:00 am-1:50 pm

3 stops22h 50m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Sofia to Seattle

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

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Sofia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $802. If you don’t want to visit Seattle in February, then you should wait until June to fly from Sofia, when ticket prices are also cheap, with an average price of $834.

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

On average, the least expensive day to fly to Seattle from Sofia is on a Sunday. momondo users have found tickets for Sunday departures for as low as $878. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Sofia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,068.

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

Flying to Seattle from Sofia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $854 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $929. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How have Sofia to Seattle flight prices changed over time?

When to book flights from Sofia to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sofia to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sofia to Seattle (SOF to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sofia to Seattle

Direct flights

None
There are no direct flights from Sofia to Seattle. There are no popular flight routes from Sofia to Seattle.
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  • How far is Sofia to Seattle/Tacoma Intl by plane?

    Sofia and Seattle/Tacoma Intl are 5850.6 mi apart from one another. Typically, this will take 14h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Sofia Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Sofia Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sofia Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Sofia Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sofia Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sofia to Seattle?

Best airlines flying from Sofia to Seattle

Compare and see reviews for airlines that fly from Sofia to Seattle with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $791Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
United AirlinesPriceFrom $795Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $824Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Federal Way
Kirkland
Lakewood
Tukwila
Centralia
Shoreline
Fife
Cle Elum
Redmond
Westport

Why use momondo?

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

Finding the right flight to Seattle from Sofia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Seattle from Sofia with this policy.

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

Once all potential Sofia to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Sofia to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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