Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Bulgaria from $256

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bulgaria departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
7:15 pm - 3:00 pm
SEA
-
SOF
33h 45m
1 stop
Turkish Airlines Logo
12:35 pm - 10:40 am
SOF
-
SEA
32h 05m
1 stop
$767Turkish Airlines
Mon, Aug 31 - Fri, Sep 11
Lufthansa Logo
2:50 pm - 6:20 pm
SEA
-
SOF
17h 30m
1 stop
Lufthansa Logo
6:25 am - 12:00 pm
SOF
-
SEA
15h 35m
1 stop
$769Lufthansa
Sun, Nov 1 - Sun, Nov 15
Multiple Airlines Logo
2:50 pm - 10:45 pm
SEA
-
SOF
21h 55m
1 stop
Multiple Airlines Logo
6:00 am - 6:22 pm
SOF
-
SEA
22h 22m
2 stops
$775Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Lufthansa Logo
2:50 pm - 6:20 pm
SEA
-
SOF
17h 30m
1 stop
Lufthansa Logo
6:25 am - 12:00 pm
SOF
-
SEA
15h 35m
1 stop
$778Lufthansa
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
10:10 am - 6:20 pm
SEA
-
SOF
22h 10m
2 stops
Multiple Airlines Logo
6:25 am - 12:00 pm
SOF
-
SEA
15h 35m
1 stop
$779Multiple Airlines
Sun, Nov 1 - Sun, Nov 15
Multiple Airlines Logo
3:55 pm - 1:35 am
SEA
-
SOF
23h 40m
2 stops
Multiple Airlines Logo
12:40 pm - 1:45 pm
SOF
-
SEA
35h 05m
2 stops
$792Multiple Airlines
Tue, Sep 8 - Fri, Sep 18
Multiple Airlines Logo
10:10 am - 6:20 pm
SEA
-
SOF
22h 10m
2 stops
Multiple Airlines Logo
6:00 am - 12:00 pm
SOF
-
SEA
16h 00m
2 stops
$793Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Austrian Airlines Logo
7:00 am - 10:35 am
SEA
-
BOJ
41h 35m
2 stops
Austrian Airlines Logo
1:05 pm - 8:37 pm
BOJ
-
SEA
41h 32m
2 stops
$895Austrian Airlines
Thu, Oct 1 - Tue, Oct 13
Austrian Airlines Logo
8:10 am - 10:35 am
SEA
-
BOJ
40h 25m
2 stops
Austrian Airlines Logo
1:05 pm - 8:37 pm
BOJ
-
SEA
41h 32m
2 stops
$938Austrian Airlines
Thu, Oct 1 - Fri, Oct 16
Turkish Airlines Logo
7:15 pm - 8:30 am
SEA
-
VAR
27h 15m
1 stop
Turkish Airlines Logo
9:20 am - 5:20 pm
VAR
-
SEA
18h 00m
1 stop
$965Turkish Airlines
Sun, Aug 2 - Tue, Sep 15

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Seattle to Bulgaria

Our best Air Canada deals on Seattle to Bulgaria flight tickets
Air Canada
Sep 15
SEA8:00 amSeattle/Tacoma Intl
18h 10m
2 stops
SOF12:10 pmSofia
Oct 6
SOF6:10 amSofia
26h 32m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$849
Air Canada
Sep 16
SEA8:00 amSeattle/Tacoma Intl
24h 05m
2 stops
SOF6:05 pmSofia
Oct 2
SOF6:20 amSofia
26h 22m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$861
Air Canada
Jul 8
SEA3:00 pmSeattle/Tacoma Intl
17h 40m
2 stops
SOF6:40 pmSofia
Aug 2
SOF6:10 amSofia
37h 57m
2 stops
SEA10:07 amSeattle/Tacoma Intl
$1,902

Turkish Airlines flights from Seattle to Bulgaria

Our best Turkish Airlines deals on Seattle to Bulgaria flight tickets
Turkish Airlines
Aug 31
SEA7:15 pmSeattle/Tacoma Intl
33h 45m
1 stop
SOF3:00 pmSofia
Sep 11
SOF12:35 pmSofia
32h 05m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$767
Turkish Airlines
Sep 15
SEA7:15 pmSeattle/Tacoma Intl
33h 45m
1 stop
SOF3:00 pmSofia
Oct 7
SOF9:35 amSofia
17h 45m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$837
Turkish Airlines
Sep 18
SEA7:15 pmSeattle/Tacoma Intl
33h 45m
1 stop
SOF3:00 pmSofia
Oct 4
SOF9:10 pmSofia
30h 10m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$860

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Bulgaria 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 June 26, 2026.
Use the filters below to find and compare flights from Seattle to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 8/31

7:15 pm-3:00 pm

1 stop33h 45m

Sofia

Fri 9/11

12:35 pm-10:40 am

1 stop32h 05m

$767
Quickest round-trip

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Sun 11/15

6:25 am-12:00 pm

1 stop15h 35m

$769

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-10:45 pm

1 stop21h 55m

Sofia

Sun 11/8

6:00 am-6:22 pm

2 stops22h 22m

$775

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-6:20 pm

1 stop17h 30m

Sofia

Sun 11/8

6:25 am-12:00 pm

1 stop15h 35m

$778

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/1

10:10 am-6:20 pm

2 stops22h 10m

Sofia

Sun 11/15

6:25 am-12:00 pm

1 stop15h 35m

$779

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 9/8

3:55 pm-1:35 am

2 stops23h 40m

Sofia

Fri 9/18

12:40 pm-1:45 pm

2 stops35h 05m

$792

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 11/1

10:10 am-6:20 pm

2 stops22h 10m

Sofia

Sun 11/8

6:00 am-12:00 pm

2 stops16h 00m

$793

SeattleBurgas

SEA - BOJ

SEABOJ

Seattle/Tacoma Intl

Thu 10/1

7:00 am-10:35 am

2 stops41h 35m

Bourgas

Tue 10/13

1:05 pm-8:37 pm

2 stops41h 32m

$895

SeattleBurgas

SEA - BOJ

SEABOJ

Seattle/Tacoma Intl

Thu 10/1

8:10 am-10:35 am

2 stops40h 25m

Bourgas

Fri 10/16

1:05 pm-8:37 pm

2 stops41h 32m

$938

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Sun 8/2

7:15 pm-8:30 am

1 stop27h 15m

Varna

Tue 9/15

9:20 am-5:20 pm

1 stop18h 00m

$965

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Seattle to Bulgaria

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 Bulgaria?

If you aren’t able to travel to Bulgaria during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $481.

How far in advance should I book a flight from Seattle to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $753 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Seattle for as low as $673 on momondo.

Cheap Seattle to Bulgaria flight deals and tips

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

Fastest flight time

18h 10m

Direct flights

None
The fastest flight from Seattle to Bulgaria takes 18h 10m
There are no direct flights from Seattle to Bulgaria. There are no popular flight routes from Seattle to Bulgaria.
Search flight deals

Frequently asked questions about flying from Seattle to Bulgaria

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The travel and health documents required for your trip to Bulgaria 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 Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Seattle to Bulgaria

Compare and see reviews for airlines that fly from Seattle to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $538Free CancellationRating
7.8
1,531 reviews
Search KLM flights
LufthansaPriceFrom $541Free CancellationRating
6.8
8,094 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $571Free CancellationRating
7.4
4,421 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $620Free CancellationRating
7.4
9,891 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $884Free CancellationRating
7.6
939 reviews
Search Austrian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Bulgaria for you.

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

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

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

Once you have performed a search for Seattle to Bulgaria flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/26
Sun 8/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo
Flights to Sofiafrom $601
Flights to Varnafrom $699
Flights to Burgasfrom $799
Flights to Plovdivfrom $1,586