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Cheap flights from Seattle to Bulgaria from $283

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 11/23. 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

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Find the cheapest flights from Seattle to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:40 pm - 1:55 pmSEA-SOF
14h 15m1 stop
Multiple Airlines Logo
7:00 am - 11:50 amSOF-SEA
14h 50m1 stop
$529Multiple Airlines
Find Deal
jue., ene. 8 - mar., ene. 13
Multiple Airlines Logo
9:30 am - 2:05 pmSEA-SOF
18h 35m2 stops
Multiple Airlines Logo
7:00 am - 11:50 amSOF-SEA
14h 50m1 stop
$533Multiple Airlines
Find Deal
mié., dic. 10 - mar., dic. 16
KLM Logo
9:25 am - 2:05 pmSEA-SOF
18h 40m2 stops
KLM Logo
7:00 am - 11:50 amSOF-SEA
14h 50m1 stop
$539KLM
Find Deal
mié., dic. 10 - lun., dic. 15
Multiple Airlines Logo
9:30 am - 2:05 pmSEA-SOF
18h 35m2 stops
Multiple Airlines Logo
7:00 am - 8:35 pmSOF-SEA
23h 35m2 stops
$543Multiple Airlines
Find Deal
mié., dic. 10 - mar., dic. 16
KLM Logo
9:25 am - 2:05 pmSEA-SOF
18h 40m2 stops
KLM Logo
7:00 am - 8:35 pmSOF-SEA
23h 35m2 stops
$549KLM
Find Deal
jue., dic. 11 - mar., dic. 16
Multiple Airlines Logo
9:25 am - 2:05 pmSEA-SOF
18h 40m2 stops
Multiple Airlines Logo
7:10 am - 8:13 pmSOF-SEA
23h 03m2 stops
$554Multiple Airlines
Find Deal
mié., dic. 10 - mar., dic. 16
Turkish Airlines Logo
8:00 pm - 8:50 pmSEA-SOF
15h 50m1 stop
Turkish Airlines Logo
9:05 pm - 5:15 pmSOF-SEA
30h 10m1 stop
$588Turkish Airlines
Find Deal
mar., mar. 10 - mar., mar. 31
Turkish Airlines Logo
7:10 pm - 3:00 pmSEA-SOF
33h 50m1 stop
Turkish Airlines Logo
9:05 pm - 5:15 pmSOF-SEA
30h 10m1 stop
$594Turkish Airlines
Find Deal
jue., abr. 23 - jue., may. 28
Lufthansa Logo
2:00 pm - 3:15 pmSEA-VAR
39h 15m2 stops
Lufthansa Logo
4:00 pm - 1:20 pmVAR-SEA
55h 20m2 stops
$611Lufthansa
Find Deal
jue., ene. 22 - lun., ene. 26
Lufthansa Logo
2:00 pm - 3:15 pmSEA-VAR
39h 15m2 stops
Lufthansa Logo
4:00 pm - 1:20 pmVAR-SEA
55h 20m2 stops
$612Lufthansa
Find Deal
jue., ene. 22 - lun., ene. 26

Turkish Airlines flights from Seattle to Bulgaria

Our best Turkish Airlines deals on Seattle to Bulgaria flight tickets
Turkish Airlines
Mar 10
SEA8:00 pmSeattle/Tacoma Intl
15h 50m
1 stop
SOF8:50 pmSofia
Mar 31
SOF9:05 pmSofia
30h 10m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$588
Find similar
Turkish Airlines
Apr 23
SEA7:10 pmSeattle/Tacoma Intl
33h 50m
1 stop
SOF3:00 pmSofia
May 28
SOF9:05 pmSofia
30h 10m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$594
Find similar
Turkish Airlines
Mar 9
SEA8:00 pmSeattle/Tacoma Intl
34h 10m
1 stop
SOF3:10 pmSofia
Apr 27
SOF3:50 pmSofia
35h 25m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$603
Find similar

Lufthansa flights from Seattle to Bulgaria

Our best Lufthansa deals on Seattle to Bulgaria flight tickets
Lufthansa
Jan 22
SEA2:00 pmSeattle/Tacoma Intl
39h 15m
2 stops
VAR3:15 pmVarna
Jan 26
VAR4:00 pmVarna
55h 20m
2 stops
SEA1:20 pmSeattle/Tacoma Intl
$611
Find similar
Lufthansa
Jan 22
SEA2:00 pmSeattle/Tacoma Intl
39h 15m
2 stops
VAR3:15 pmVarna
Jan 26
VAR4:00 pmVarna
55h 20m
2 stops
SEA1:20 pmSeattle/Tacoma Intl
$612
Find similar
Lufthansa
Dec 10
SEA1:40 pmSeattle/Tacoma Intl
23h 05m
2 stops
SOF10:45 pmSofia
Dec 17
SOF6:10 amSofia
17h 10m
2 stops
SEA1:20 pmSeattle/Tacoma Intl
$670
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 noviembre 13, 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

jue. 1/8

1:40 pm-1:55 pm

1 stop14h 15m

Sofia

mar. 1/13

7:00 am-11:50 am

1 stop14h 50m

$529

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 12/10

9:30 am-2:05 pm

2 stops18h 35m

Sofia

mar. 12/16

7:00 am-11:50 am

1 stop14h 50m

$533

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 12/10

9:25 am-2:05 pm

2 stops18h 40m

Sofia

lun. 12/15

7:00 am-11:50 am

1 stop14h 50m

$539

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 12/10

9:30 am-2:05 pm

2 stops18h 35m

Sofia

mar. 12/16

7:00 am-8:35 pm

2 stops23h 35m

$543

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

jue. 12/11

9:25 am-2:05 pm

2 stops18h 40m

Sofia

mar. 12/16

7:00 am-8:35 pm

2 stops23h 35m

$549

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mié. 12/10

9:25 am-2:05 pm

2 stops18h 40m

Sofia

mar. 12/16

7:10 am-8:13 pm

2 stops23h 03m

$554

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

mar. 3/10

8:00 pm-8:50 pm

1 stop15h 50m

Sofia

mar. 3/31

9:05 pm-5:15 pm

1 stop30h 10m

$588

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

jue. 4/23

7:10 pm-3:00 pm

1 stop33h 50m

Sofia

jue. 5/28

9:05 pm-5:15 pm

1 stop30h 10m

$594

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

jue. 1/22

2:00 pm-3:15 pm

2 stops39h 15m

Varna

lun. 1/26

4:00 pm-1:20 pm

2 stops55h 20m

$611

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

jue. 1/22

2:00 pm-3:15 pm

2 stops39h 15m

Varna

lun. 1/26

4:00 pm-1:20 pm

2 stops55h 20m

$612

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 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 October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $602.

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 $832 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
Air FrancePriceFrom $555Free CancellationRating
7.4
1,486 reviews
Search Air France flights
LufthansaPriceFrom $562Free CancellationRating
6.8
7,570 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $596Free CancellationRating
7.3
4,044 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $676Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
KLMPriceFrom $719Free CancellationRating
7.7
1,410 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.

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