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Cheap flights from Seattle to Sofia from $306

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.
United Airlines Logo
7:00 am - 1:15 pmSEA  Seattle/Tacoma Intl-SOF Sofia
20h 15m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 12:00 pmSOF  Sofia-SEA Seattle/Tacoma Intl
15h 35m1 stop Frankfurt am Main
$731United Airlines
Sun, Feb 7 - Thu, Feb 11
Air Canada Logo
7:05 pm - 1:25 pmSEA  Seattle/Tacoma Intl-SOF Sofia
32h 20m2 stops Vancouver Intl Frankfurt am Main
Air Canada Logo
6:25 am - 2:37 pmSOF  Sofia-SEA Seattle/Tacoma Intl
18h 12m2 stops Frankfurt am Main Vancouver Intl
$738Air Canada
Sun, Feb 7 - Thu, Feb 11
United Airlines Logo
10:52 am - 1:15 pmSEA  Seattle/Tacoma Intl-SOF Sofia
16h 23m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:25 am - 11:15 pmSOF  Sofia-SEA Seattle/Tacoma Intl
26h 50m3 stops Frankfurt am Main Denver Intl San Francisco
$740United Airlines
Sun, Feb 7 - Thu, Feb 11
Air Canada Logo
2:55 pm - 6:45 pmSEA  Seattle/Tacoma Intl-SOF Sofia
17h 50m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 9:20 amSOF  Sofia-SEA Seattle/Tacoma Intl
37h 00m2 stops Frankfurt am Main Vancouver Intl
$766Air Canada
Mon, May 3 - Wed, Jun 9
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
$766United Airlines
Mon, May 3 - Thu, Jun 10
Air Canada Logo
5:40 am - 6:45 pmSEA  Seattle/Tacoma Intl-SOF Sofia
27h 05m2 stops Vancouver Intl Munich Franz Josef Strauss
Air Canada Logo
6:20 am - 9:20 amSOF  Sofia-SEA Seattle/Tacoma Intl
37h 00m2 stops Frankfurt am Main Vancouver Intl
$766Air Canada
Mon, May 3 - Fri, Jun 4
Lufthansa Logo
6:50 pm - 6:45 pmSEA  Seattle/Tacoma Intl-SOF Sofia
13h 55m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:30 pm - 5:20 pmSOF  Sofia-SEA Seattle/Tacoma Intl
31h 50m1 stop Munich Franz Josef Strauss
$783Lufthansa
Mon, May 3 - Tue, Jun 8
Turkish Airlines Logo
7:05 pm - 8:40 amSEA  Seattle/Tacoma Intl-SOF Sofia
27h 35m1 stop Istanbul
Turkish Airlines Logo
4:00 pm - 5:10 pmSOF  Sofia-SEA Seattle/Tacoma Intl
35h 10m1 stop Istanbul
$788Turkish Airlines
Mon, Nov 16 - Wed, Dec 2
Lufthansa Logo
6:50 pm - 11:05 pmSEA  Seattle/Tacoma Intl-SOF Sofia
18h 15m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:30 pm - 10:29 pmSOF  Sofia-SEA Seattle/Tacoma Intl
36h 59m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$793Lufthansa
Mon, May 3 - Mon, Jun 7
Turkish Airlines Logo
7:05 pm - 8:40 amSEA  Seattle/Tacoma Intl-SOF Sofia
27h 35m1 stop Istanbul
Turkish Airlines Logo
9:45 pm - 5:10 pmSOF  Sofia-SEA Seattle/Tacoma Intl
29h 25m1 stop Istanbul
$828Turkish Airlines
Fri, Nov 27 - Fri, Dec 4

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United Airlines flights from Seattle to Sofia

Our best United Airlines deals on Seattle to Sofia flight tickets
United Airlines
Feb 7
SEA7:00 amSeattle/Tacoma Intl
20h 15m
2 stops
SOF1:15 pmSofia
Feb 11
SOF6:25 amSofia
15h 35m
1 stop
SEA12:00 pmSeattle/Tacoma Intl
$731
United Airlines
Feb 7
SEA10:52 amSeattle/Tacoma Intl
16h 23m
2 stops
SOF1:15 pmSofia
Feb 11
SOF6:25 amSofia
26h 50m
3 stops
SEA11:15 pmSeattle/Tacoma Intl
$740
United Airlines
May 3
SEA6:50 pmSeattle/Tacoma Intl
18h 15m
1 stop
SOF11:05 pmSofia
Jun 10
SOF6:20 amSofia
22h 15m
2 stops
SEA6:35 pmSeattle/Tacoma Intl
$766

Turkish Airlines flights from Seattle to Sofia

Our best Turkish Airlines deals on Seattle to Sofia flight tickets
Turkish Airlines
Nov 16
SEA7:05 pmSeattle/Tacoma Intl
27h 35m
1 stop
SOF8:40 amSofia
Dec 2
SOF4:00 pmSofia
35h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$788
Turkish Airlines
Dec 3
SEA7:05 pmSeattle/Tacoma Intl
34h 05m
1 stop
SOF3:10 pmSofia
Dec 23
SOF9:30 amSofia
17h 40m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$848
Turkish Airlines
Dec 4
SEA7:05 pmSeattle/Tacoma Intl
29h 45m
1 stop
SOF10:50 amSofia
Dec 18
SOF4:00 pmSofia
35h 10m
1 stop
SEA5:10 pmSeattle/Tacoma Intl
$884

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

7:00 am-1:15 pm

2 stops20h 15m

Sofia

Thu 2/11

6:25 am-12:00 pm

1 stop15h 35m

$731

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

7:05 pm-1:25 pm

2 stops32h 20m

Sofia

Thu 2/11

6:25 am-2:37 pm

2 stops18h 12m

$738

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Sun 2/7

10:52 am-1:15 pm

2 stops16h 23m

Sofia

Thu 2/11

6:25 am-11:15 pm

3 stops26h 50m

$740

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

2:55 pm-6:45 pm

2 stops17h 50m

Sofia

Wed 6/9

6:20 am-9:20 am

2 stops37h 00m

$766

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-11:05 pm

1 stop18h 15m

Sofia

Thu 6/10

6:20 am-6:35 pm

2 stops22h 15m

$766

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

5:40 am-6:45 pm

2 stops27h 05m

Sofia

Fri 6/4

6:20 am-9:20 am

2 stops37h 00m

$766

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-6:45 pm

1 stop13h 55m

Sofia

Tue 6/8

7:30 pm-5:20 pm

1 stop31h 50m

$783

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 11/16

7:05 pm-8:40 am

1 stop27h 35m

Sofia

Wed 12/2

4:00 pm-5:10 pm

1 stop35h 10m

$788

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Mon 5/3

6:50 pm-11:05 pm

1 stop18h 15m

Sofia

Mon 6/7

7:30 pm-10:29 pm

2 stops36h 59m

$793

SeattleSofia

SEA Seattle/Tacoma Intl - SOF Sofia

SEASOF

Seattle/Tacoma Intl

Fri 11/27

7:05 pm-8:40 am

1 stop27h 35m

Sofia

Fri 12/4

9:45 pm-5:10 pm

1 stop29h 25m

$828

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 typical for flights on this route.

Typical prices usually range from $537 to $999.
The lowest price recently found on this route was $731.

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 $796 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

$306

Fastest flight time

17h 30m

Direct flights

None
The best one-way flight to Sofia from Seattle in the past 72 hours is $306. The best round-trip flight deal from Seattle to Sofia found on momondo in the last 72 hours is $731.
The fastest flight from Seattle to Sofia takes 17h 30m
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 17h 30m, 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
1,595 reviews
Search KLM flights
LufthansaPriceFrom $549Free CancellationRating
6.8
8,298 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $596Free CancellationRating
7.4
4,467 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $620Free CancellationRating
7.3
10,462 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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