$228+ Cheap flights from Seattle (SEA) to Sofia (SOF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Sofia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Sofia
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Best
Last-minute
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Cheapest flights from Seattle to SofiaExplore the most affordable flight options available from Seattle to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Seattle to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Mytrip deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:50 pm
SEA
- SOF
1 stop18h 10m
Multiple Airlines
Tue 12/16:10 am
SOF
- SEA
2 stops22h 16m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$593
This Gotogate deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:00 am
SEA
- SOF
2 stops18h 10m
Multiple Airlines
Tue 9/226:10 am
SOF
- SEA
2 stops22h 22m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$595
This FlightHub deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Thu 5/289:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$596
This oojo deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Tue 9/229:05 pm
SOF
- SEA
1 stop30h 10m
Turkish Airlines
Deal found 3/6![Turkish Airlines logo]()
$601
This FlightHub deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:50 pm
SEA
- SOF
1 stop18h 10m
Lufthansa
Tue 9/226:10 am
SOF
- SEA
2 stops18h 12m
Lufthansa
Deal found 3/5![Lufthansa logo]()
$608
This FlightHub deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 pm
SEA
- SOF
1 stop15h 50m
Turkish Airlines
Tue 4/289:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/6![Turkish Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:57 am
SEA
- SOF
2 stops25h 18m
United Airlines
Thu 12/36:10 am
SOF
- SEA
1 stop16h 00m
United Airlines
Deal found 3/8![United Airlines logo]()
$614
This Air Canada deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:35 am
SEA
- SOF
2 stops17h 10m
Air Canada
Thu 12/36:10 am
SOF
- SEA
2 stops26h 06m
Air Canada
Deal found 3/8![Air Canada logo]()
$618
Best flights from Seattle to SofiaDiscover carefully curated flight deals from Seattle to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Seattle to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This oojo deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Wed 6/109:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/5![Turkish Airlines logo]()
$651
This Gotogate deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:50 pm
SEA
- SOF
1 stop18h 10m
Multiple Airlines
Sun 4/266:20 am
SOF
- SEA
2 stops25h 33m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:42 am
SEA
- SOF
2 stops28h 18m
United Airlines
Mon 4/136:10 am
SOF
- SEA
2 stops40h 10m
United Airlines
Deal found 3/6![United Airlines logo]()
$706
This KLM deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:35 pm
SEA
- SOF
1 stop34h 25m
KLM
Thu 5/287:00 am
SOF
- SEA
2 stops23h 07m
KLM
Deal found 3/7![KLM logo]()
$737
This Gotogate deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:50 pm
SEA
- SOF
2 stops17h 40m
Multiple Airlines
Wed 6/106:20 am
SOF
- SEA
2 stops26h 00m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 am
SEA
- SOF
2 stops25h 40m
United Airlines
Thu 5/286:10 am
SOF
- SEA
1 stop20h 49m
United Airlines
Deal found 3/8![United Airlines logo]()
$730
This KLM deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:50 pm
SEA
- SOF
1 stop14h 10m
Multiple Airlines
Thu 8/207:00 am
SOF
- SEA
2 stops22h 00m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$727
This United Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/35:00 am
SEA
- SOF
2 stops31h 30m
United Airlines
Tue 4/146:10 am
SOF
- SEA
3 stops27h 17m
United Airlines
Deal found 3/5![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
SEA
- SOF
2 stops21h 15m
United Airlines
Tue 4/286:10 am
SOF
- SEA
1 stop16h 10m
United Airlines
Deal found 3/8![United Airlines logo]()
$753
Last-minute flights from Seattle to SofiaDiscover last-minute flight deals from Seattle to Sofia. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sofia. Data last updated March 10, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 pm
SEA
- SOF
1 stop15h 50m
Turkish Airlines
Tue 4/289:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/6![Turkish Airlines logo]()
$612
This Gotogate deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:10 pm
SEA
- SOF
1 stop18h 00m
Multiple Airlines
Tue 4/216:10 am
SOF
- SEA
2 stops25h 43m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$655
This oojo deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:10 pm
SEA
- SOF
1 stop33h 50m
Turkish Airlines
Sat 5/309:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$624
This FlightHub deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Fri 5/299:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$651
This FlightHub deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Fri 5/299:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$635
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:10 pm
SEA
- SOF
1 stop27h 35m
Turkish Airlines
Wed 5/279:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$657
This Gotogate deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 am
SEA
- SOF
2 stops18h 10m
Multiple Airlines
Tue 4/286:10 am
SOF
- SEA
1 stop16h 10m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$642
This FlightHub deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:10 pm
SEA
- SOF
1 stop15h 05m
Turkish Airlines
Thu 5/289:35 am
SOF
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 3/10![Turkish Airlines logo]()
$596
One-way flights from Seattle to SofiaSearch for one-way flight options from Seattle to Sofia. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Seattle to Sofia. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Mytrip deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
SEA
- SOF
2 stops20h 50m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:40 pm
SEA
- SOF
2 stops20h 20m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:00 pm
SEA
- SOF
2 stops17h 00m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:00 pm
SEA
- SOF
3 stops34h 45m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:09 am
SEA
- SOF
2 stops44h 26m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:29 am
SEA
- SOF
2 stops21h 36m
United Airlines
Deal found 3/7![United Airlines logo]()
$409
Find flight deals from Seattle to Sofia
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $593 (Mytrip) |
One-way from | $228 (Mytrip) |
Popular in | June |
Cheapest in | October |
Average price | $634 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Sofia 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, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
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
Cheapest round-trip
Quickest round-trip
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Fri 5/1
7:10 pm-8:15 pm
1 stop15h 05m
Sofia
Wed 6/10
9:35 am-5:15 pm
1 stop17h 40m
$651
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 4/19
6:50 pm-11:00 pm
1 stop18h 10m
Sofia
Sun 4/26
6:20 am-9:53 pm
2 stops25h 33m
$691
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Sun 4/5
8:42 am-11:00 pm
2 stops28h 18m
Sofia
Mon 4/13
6:10 am-12:20 pm
2 stops40h 10m
$706
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Fri 5/1
6:50 pm-10:30 pm
2 stops17h 40m
Sofia
Wed 6/10
6:20 am-10:20 pm
2 stops26h 00m
$724
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 8/13
1:50 pm-2:00 pm
1 stop14h 10m
Sofia
Thu 8/20
7:00 am-7:00 pm
2 stops22h 00m
$727
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 4/23
7:00 am-6:40 pm
2 stops25h 40m
Sofia
Thu 5/28
6:10 am-4:59 pm
1 stop20h 49m
$730
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Fri 4/3
5:00 am-10:30 pm
2 stops31h 30m
Sofia
Tue 4/14
6:10 am-11:27 pm
3 stops27h 17m
$734
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Thu 4/23
5:35 pm-2:00 pm
1 stop34h 25m
Sofia
Thu 5/28
7:00 am-8:07 pm
2 stops23h 07m
$737
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Tue 3/24
7:00 am-1:15 pm
2 stops21h 15m
Sofia
Tue 4/28
6:10 am-12:20 pm
1 stop16h 10m
$753
Cheapest one-way
SeattleSofia
SEA - SOF
SEASOF
Seattle/Tacoma Intl
Mon 4/27
3:40 pm-10:30 pm
2 stops20h 50m
$228
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Seattle to Sofia
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Sofia in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Seattle-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Sofia flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from Seattle with our price prediction graph.
SEA-SOF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Sofia
How far ahead should I book a flight from Seattle to Sofia?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Sofia. Price data was last updated on March 6, 2026.
The price you pay for your flight from Seattle to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Sofia?
Currently, July is the cheapest month in which you can book a flight from Seattle to Sofia (average of $510). Flying from Seattle to Sofia in June is currently the most expensive (average of $926). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Sofia
Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated March 10, 2026.
Get a feel of what it's like to fly with KLM,Air France, andUnited Airlines from Seattle to Sofia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Overall
7.8
Entertainment
7.1
Crew
8.4
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Boarding
7.8
Overall
7.8
Entertainment
7.1
Crew
8.4
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Boarding
7.8
Overall
7.8
Entertainment
7.1
Crew
8.4
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Boarding
7.8
Overall
7.8
Entertainment
7.1
Crew
8.4
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Boarding
7.8
Overall
7.8
Entertainment
7.1
Crew
8.4
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Boarding
7.8
Overall
7.8
Entertainment
7.1
Crew
8.4
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Seattle and Sofia flights
Browse other Seattle and Sofia flight options. Last updated on March 10, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sofia
Explore flights to Sofia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Top 5 airlines flying from Seattle to Sofia
Discover the top 5 airlines that operate flights from Seattle to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$859 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$540 | Average$884 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$555 | Average$718 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$587 | Average$807 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$840 | FlexibilityNo cancel fee | On-time69% |