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Cheap flights from Seattle to Sofia from $309

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Sofia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:50 pm - 6:20 pmSEA  Seattle/Tacoma Intl-SOF Sofia
17h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
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
Lufthansa Logo
2:50 pm - 6:20 pmSEA  Seattle/Tacoma Intl-SOF Sofia
17h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:25 am - 12:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
15h 35m1 stop Frankfurt am Main
$705Lufthansa
Sun, Feb 7 - Thu, Feb 11
Multiple Airlines Logo
10:10 am - 1:25 pmSEA  Seattle/Tacoma Intl-SOF Sofia
17h 15m2 stops Vancouver Intl Frankfurt am Main
Multiple Airlines Logo
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
Lufthansa Logo
10:10 am - 1:25 pmSEA  Seattle/Tacoma Intl-SOF Sofia
17h 15m2 stops Vancouver Intl Frankfurt am Main
Lufthansa Logo
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
United Airlines Logo
6:50 pm - 11:05 pmSEA  Seattle/Tacoma Intl-SOF Sofia
18h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
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
United Airlines Logo
6:50 pm - 11:05 pmSEA  Seattle/Tacoma Intl-SOF Sofia
18h 15m1 stop Munich Franz Josef Strauss
United Airlines Logo
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
Air Canada Logo
8:40 am - 6:45 pmSEA  Seattle/Tacoma Intl-SOF Sofia
24h 05m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
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
Air Canada Logo
10:10 am - 6:45 pmSEA  Seattle/Tacoma Intl-SOF Sofia
22h 35m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
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
Turkish Airlines Logo
7:05 pm - 8:40 amSEA  Seattle/Tacoma Intl-SOF Sofia
27h 35m1 stop Istanbul
Turkish Airlines Logo
9:30 am - 5:10 pmSOF  Sofia-SEA Seattle/Tacoma Intl
17h 40m1 stop Istanbul
$788Turkish Airlines
Wed, Feb 3 - Wed, Feb 24
Turkish Airlines Logo
7:05 pm - 8:55 pmSEA  Seattle/Tacoma Intl-SOF Sofia
15h 50m1 stop Istanbul
Turkish Airlines Logo
9:35 am - 5:35 pmSOF  Sofia-SEA Seattle/Tacoma Intl
18h 00m1 stop Istanbul
$788Turkish Airlines
Tue, Dec 29 - Thu, Apr 22

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United Airlines flights from Seattle to Sofia

Our best United Airlines deals on Seattle 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
SEA8:00 amSeattle/Tacoma Intl
18h 20m
2 stops
SOF12:20 pmSofia
May 7
SOF6:20 amSofia
25h 55m
2 stops
SEA10:15 pmSeattle/Tacoma Intl
$730

Lufthansa flights from Seattle to Sofia

Our best Lufthansa deals on Seattle 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

momondo Fare Finder

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

Fly from

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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

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

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

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

Tue 12/29

7:05 pm-8:55 pm

1 stop15h 50m

Sofia

Thu 4/22

9:35 am-5:35 pm

1 stop18h 00m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sofia from

How to get the cheapest flight ticket from Seattle 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

What is the typical price of a round-trip flight between Seattle and Sofia?

Prices are currently low for flights on this route.

Typical prices usually range from $800 to $1,026.
The lowest price recently found on this route was $705.

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from Seattle 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 Seattle 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 Seattle to Sofia?

You are more likely to see cheaper flights to Sofia from Seattle 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 Seattle for as low as $691 on momondo.

When to book flights from Seattle to Sofia

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

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

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

Best Price Found

$309

Fastest flight time

15h 50m

Direct flights

None
The best one-way flight to Sofia from Seattle in the past 72 hours is $309. The best round-trip flight deal from Seattle to Sofia found on momondo in the last 72 hours is $705.
The fastest flight from Seattle to Sofia takes 15h 50m
There are no direct flights from Seattle to Sofia. There are no popular flight routes from Seattle to Sofia.
Search flight deals

Frequently asked questions about flying from Seattle to Sofia

  • How far is Seattle/Tacoma Intl to Sofia by plane?

    There are 5850.6 mi between Seattle/Tacoma Intl and Sofia. Flights usually cover this in 15h 50m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Sofia Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sofia Airport.

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

    The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Sofia

Compare and see reviews for airlines that fly from Seattle to Sofia with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $538Free CancellationRating
7.8
1,599 reviews
Search KLM flights
LufthansaPriceFrom $559Free CancellationRating
6.8
8,290 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $596Free CancellationRating
7.4
4,465 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $620Free CancellationRating
7.3
10,474 reviews
Search United Airlines flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

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

It is quick and easy to find Seattle to Sofia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sofia that suits you.

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

All flight searches from Seattle to Sofia on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Sofia 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 Seattle to Sofia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sofia from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Lufthansa
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