Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Bulgaria from $372

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 11/2. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Seattle to Bulgaria

Cheap round-trip flights

Lufthansa Logo
6:50 pm - 6:40 pmSEA-SOF
13h 50m1 stop
Lufthansa Logo
6:00 am - 12:10 pmSOF-SEA
16h 10m1 stop
$530Lufthansa
Find Deal
Sun, Oct 19 - Tue, Nov 4
Lufthansa Logo
6:50 pm - 6:40 pmSEA-SOF
13h 50m1 stop
Lufthansa Logo
6:00 am - 12:10 pmSOF-SEA
16h 10m1 stop
$532Lufthansa
Find Deal
Sun, Oct 19 - Tue, Nov 4
Turkish Airlines Logo
7:00 pm - 3:10 pmSEA-SOF
34h 10m1 stop
Turkish Airlines Logo
4:00 pm - 5:05 pmSOF-SEA
35h 05m1 stop
$561Turkish Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
British Airways Logo
1:25 pm - 8:10 pmSEA-SOF
20h 45m1 stop
British Airways Logo
5:25 pm - 11:30 amSOF-SEA
28h 05m1 stop
$568British Airways
Find Deal
Tue, Nov 4 - Mon, Nov 17
Turkish Airlines Logo
7:00 pm - 3:10 pmSEA-SOF
34h 10m1 stop
Turkish Airlines Logo
9:40 pm - 5:05 pmSOF-SEA
29h 25m1 stop
$570Turkish Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 19
Multiple Airlines Logo
5:50 am - 6:20 pmSEA-SOF
26h 30m2 stops
Multiple Airlines Logo
6:00 am - 1:10 pmSOF-SEA
16h 10m1 stop
$573Multiple Airlines
Find Deal
Tue, Feb 24 - Tue, Mar 17
United Airlines Logo
10:53 am - 1:15 pmSEA-SOF
16h 22m2 stops
United Airlines Logo
6:10 am - 12:10 pmSOF-SEA
16h 00m1 stop
$575United Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 21
United Airlines Logo
5:07 am - 6:20 pmSEA-SOF
27h 13m3 stops
United Airlines Logo
6:00 am - 1:10 pmSOF-SEA
16h 10m1 stop
$578United Airlines
Find Deal
Tue, Feb 24 - Tue, Mar 17
Multiple Airlines Logo
8:00 pm - 6:20 pmSEA-SOF
37h 20m2 stops
Multiple Airlines Logo
3:30 pm - 10:29 pmSOF-SEA
40h 59m2 stops
$590Multiple Airlines
Find Deal
Mon, Mar 9 - Mon, Apr 27
British Airways Logo
6:50 pm - 11:15 amSEA-SOF
30h 25m1 stop
British Airways Logo
5:25 pm - 11:30 amSOF-SEA
28h 05m1 stop
$618British Airways
Find Deal
Thu, Nov 6 - Mon, Nov 17

Turkish Airlines flights from Seattle to Bulgaria

Our best Turkish Airlines deals on Seattle to Bulgaria flight tickets
Turkish Airlines
Nov 5
SEA7:00 pmSeattle/Tacoma Intl
34h 10m
1 stop
SOF3:10 pmSofia
Nov 12
SOF4:00 pmSofia
35h 05m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
$561
Find similar
Turkish Airlines
Nov 6
SEA7:00 pmSeattle/Tacoma Intl
34h 10m
1 stop
SOF3:10 pmSofia
Nov 19
SOF9:40 pmSofia
29h 25m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
$570
Find similar
Turkish Airlines
Sep 21
SEA7:10 pmSeattle/Tacoma Intl
33h 35m
1 stop
SOF2:45 pmSofia
Oct 10
SOF9:15 pmSofia
30h 00m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$579
Find similar

British Airways flights from Seattle to Bulgaria

Our best British Airways deals on Seattle to Bulgaria flight tickets
British Airways
Nov 4
SEA1:25 pmSeattle/Tacoma Intl
20h 45m
1 stop
SOF8:10 pmSofia
Nov 17
SOF5:25 pmSofia
28h 05m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$568
Find similar
British Airways
Nov 6
SEA6:50 pmSeattle/Tacoma Intl
30h 25m
1 stop
SOF11:15 amSofia
Nov 17
SOF5:25 pmSofia
28h 05m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$618
Find similar

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 September 16, 2025.
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

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 10/19

6:50 pm-6:40 pm

1 stop13h 50m

Sofia

Tue 11/4

6:00 am-12:10 pm

1 stop16h 10m

$530

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 10/19

6:50 pm-6:40 pm

1 stop13h 50m

Sofia

Tue 11/4

6:00 am-12:10 pm

1 stop16h 10m

$532

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 11/5

7:00 pm-3:10 pm

1 stop34h 10m

Sofia

Wed 11/12

4:00 pm-5:05 pm

1 stop35h 05m

$561

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 11/4

1:25 pm-8:10 pm

1 stop20h 45m

Sofia

Mon 11/17

5:25 pm-11:30 am

1 stop28h 05m

$568

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 11/6

7:00 pm-3:10 pm

1 stop34h 10m

Sofia

Wed 11/19

9:40 pm-5:05 pm

1 stop29h 25m

$570

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 2/24

5:50 am-6:20 pm

2 stops26h 30m

Sofia

Tue 3/17

6:00 am-1:10 pm

1 stop16h 10m

$573

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 11/4

10:53 am-1:15 pm

2 stops16h 22m

Sofia

Fri 11/21

6:10 am-12:10 pm

1 stop16h 00m

$575

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 2/24

5:07 am-6:20 pm

3 stops27h 13m

Sofia

Tue 3/17

6:00 am-1:10 pm

1 stop16h 10m

$578

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 3/9

8:00 pm-6:20 pm

2 stops37h 20m

Sofia

Mon 4/27

3:30 pm-10:29 pm

2 stops40h 59m

$590

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 11/6

6:50 pm-11:15 am

1 stop30h 25m

Sofia

Mon 11/17

5:25 pm-11:30 am

1 stop28h 05m

$618

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $668.

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

The cheapest day to depart from Seattle to Bulgaria is on a Saturday when prices can be found for as low as $897. On the other hand, Friday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,269.

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

In the evening is the cheapest time of day to fly from Seattle to Bulgaria when you can find flight prices for as low as $897. Flying to Bulgaria in the evening is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly at noon, with an average ticket price of $1,099. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $881 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 $701 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

Direct flights

None
There are no direct flights from Seattle to Bulgaria. There are no popular flight routes from Seattle to Bulgaria.
Search flight deals

  • 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
Turkish AirlinesPriceFrom $606Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $646Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
United AirlinesPriceFrom $653Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
KLMPriceFrom $719Free CancellationRating
7.8
1,386 reviews
Search KLM 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
Thu 10/16
Thu 10/23
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 $349
Flights to Varnafrom $425
Flights to Burgasfrom $478
Flights to Plovdivfrom $828