$337+ Cheap flights from Seattle (SEA) to Sofia (SOF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SOF
Nov 23 — Nov 301
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
Cheapest
Best
Last-minute
One-way
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 October 24, 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 October 24, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 pm -
1 stop26h 35m
Thu 11/194:00 pm -
1 stop35h 10m
Deal found 10/20![Turkish Airlines logo]()
$748
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
1 stop17h 30m
Wed 11/256:25 am -
1 stop15h 35m
Deal found 10/20![Lufthansa logo]()
$794
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
1 stop22h 05m
Fri 11/276:00 am -
1 stop17h 00m
Deal found 10/20![Lufthansa logo]()
$797
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:05 pm -
1 stop34h 05m
Tue 11/244:00 pm -
1 stop35h 10m
Deal found 10/20![Turkish Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/176:30 am -
2 stops30h 25m
Wed 11/256:25 am -
1 stop15h 35m
Deal found 10/20![United Airlines logo]()
$801
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
1 stop22h 05m
Fri 11/276:25 am -
2 stops24h 34m
Deal found 10/20![Multiple Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/175:05 am -
2 stops31h 50m
Fri 11/276:00 am -
1 stop17h 00m
Deal found 10/20![United Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/182:50 pm -
1 stop22h 05m
Wed 11/252:10 pm -
3 stops33h 15m
Deal found 10/20![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/172:30 pm -
2 stops22h 25m
Tue 11/242:10 pm -
2 stops29h 30m
Deal found 10/20![United Airlines logo]()
$811
This FlightHub deal was found by Cheapflights users on 10/24. 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 12/237:05 pm -
1 stop15h 50m
Mon 1/189:45 pm -
1 stop29h 25m
Deal found 10/24![Turkish Airlines logo]()
$812
This United deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2610:50 pm -
2 stops38h 05m
Tue 1/126:00 am -
2 stops42h 37m
Deal found 10/22![Multiple Airlines logo]()
$816
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 October 24, 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 October 24, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 1/1710:52 am -
2 stops16h 23m
Thu 1/216:25 am -
1 stop15h 35m
Deal found 10/19![United Airlines logo]()
$721
This Turkish Airlines deal was found by Cheapflights users on 10/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:05 pm -
1 stop34h 05m
Sun 12/139:45 pm -
1 stop29h 25m
Deal found 10/22![Turkish Airlines logo]()
$748
This United deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2610:50 pm -
2 stops38h 05m
Tue 1/126:00 am -
2 stops42h 37m
Deal found 10/22![Multiple Airlines logo]()
$816
This Turkish Airlines deal was found by Cheapflights users on 10/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/258:05 pm -
1 stop34h 05m
Sun 4/49:35 am -
1 stop17h 45m
Deal found 10/23![Turkish Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/178:30 am -
2 stops28h 25m
Thu 11/266:25 am -
1 stop15h 35m
Deal found 10/20![United Airlines logo]()
$801
This Turkish Airlines deal was found by Cheapflights users on 10/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:05 pm -
1 stop27h 35m
Thu 1/214:00 pm -
1 stop35h 10m
Deal found 10/19![Turkish Airlines logo]()
$818
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:05 pm -
1 stop34h 05m
Sat 11/289:45 pm -
1 stop29h 25m
Deal found 10/20![Turkish Airlines logo]()
$960
Last-minute flights from Seattle to SofiaDiscover last-minute flight deals from Seattle to Sofia. Data last updated October 24, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Sofia. Data last updated October 24, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:05 pm -
1 stop26h 35m
Thu 11/194:00 pm -
1 stop35h 10m
Deal found 10/20![Turkish Airlines logo]()
$748
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:05 pm -
1 stop34h 05m
Tue 11/244:00 pm -
1 stop35h 10m
Deal found 10/20![Turkish Airlines logo]()
$798
This Turkish Airlines deal was found by Cheapflights users on 10/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:05 pm -
1 stop27h 35m
Thu 11/269:45 pm -
1 stop29h 25m
Deal found 10/20![Turkish Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/176:30 am -
2 stops30h 25m
Wed 11/256:25 am -
1 stop15h 35m
Deal found 10/20![United Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/175:05 am -
2 stops31h 50m
Fri 11/276:00 am -
1 stop17h 00m
Deal found 10/20![United Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/172:30 pm -
2 stops22h 25m
Tue 11/242:10 pm -
2 stops29h 30m
Deal found 10/20![United Airlines logo]()
$811
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
1 stop17h 30m
Thu 11/266:25 am -
1 stop15h 35m
Deal found 10/20![Lufthansa logo]()
$794
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
1 stop22h 05m
Fri 11/276:00 am -
1 stop17h 00m
Deal found 10/20![Lufthansa logo]()
$797
This Justfly.com deal was found by Cheapflights users on 10/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
1 stop22h 05m
Fri 11/276:25 am -
2 stops24h 34m
Deal found 10/20![Multiple Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/182:50 pm -
1 stop22h 05m
Wed 11/252:10 pm -
3 stops33h 15m
Deal found 10/20![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/182:50 pm -
1 stop22h 05m
Mon 11/232:00 pm -
2 stops41h 50m
Deal found 10/20![United Airlines logo]()
$819
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 October 24, 2026.
Search for one-way flight options from Seattle to Sofia. Find affordable one-way fares based on user searches. Data last updated October 24, 2026.
This Travelocity deal was found by Cheapflights users on 10/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/102:50 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Lufthansa logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Wed 3/103:40 pm -
3 stops19h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Wed 11/42:30 pm -
3 stops34h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$441
This oojo deal was found by Cheapflights users on 10/24. 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.
Wed 11/48:05 pm -
1 stop28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Turkish Airlines logo]()
$577
This oojo deal was found by Cheapflights users on 10/21. 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.
Wed 11/42:50 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Lufthansa logo]()
$578
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/47:00 am -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$589
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 October 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $721 (United Airlines) |
One-way from | $337 (Travelocity) |
Popular in | June |
Cheapest in | January |
Average price | $779 |
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 7,457,451 searches. Data last updated October 24, 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
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 3/10
7:00 am-6:20 pm
2 stops25h 20m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$346
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
2:30 pm-10:50 am
3 stops34h 20m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$450
Quickest round-trip
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
2:50 pm-6:20 pm
1 stop17h 30m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$578
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Wed 11/4
7:00 am-10:55 pm
2 stops29h 55m
Sofia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$589
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 1/17
10:52 am-1:15 pm
2 stops16h 23m
Sofia
Thu 1/21
6:25 am-12:00 pm
1 stop15h 35m
$721
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 12/6
7:05 pm-3:10 pm
1 stop34h 05m
Sofia
Sun 12/13
9:45 pm-5:10 pm
1 stop29h 25m
$748
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Thu 3/25
8:05 pm-3:10 pm
1 stop34h 05m
Sofia
Sun 4/4
9:35 am-5:20 pm
1 stop17h 45m
$748
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Tue 11/17
8:30 am-10:55 pm
2 stops28h 25m
Sofia
Thu 11/26
6:25 am-12:00 pm
1 stop15h 35m
$801
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sat 12/26
10:50 pm-10:55 pm
2 stops38h 05m
Sofia
Tue 1/12
6:00 am-2:37 pm
2 stops42h 37m
$816
SeattleSofia
SEA Seattle/Tacoma Intl - SOF Sofia
SEASOF
Seattle/Tacoma Intl
Sun 1/17
7:05 pm-8:40 am
1 stop27h 35m
Sofia
Thu 1/21
4:00 pm-5:10 pm
1 stop35h 10m
$818
Showing 1-10 of 11 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 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?
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 34 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, January is the cheapest month in which you can book a flight from Seattle to Sofia (average of $615). Flying from Seattle to Sofia in June is currently the most expensive (average of $1,170). 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.
How much does it cost to fly round-trip from Seattle to Sofia?
Airfare is typical for this route at the moment.
Seattle to Sofia flights typically cost between $618 and $800 in January.The cheapest round-trip price found within the last 5 days was $721 on United Airlines (Jan 17-Jan 21).
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 October 24, 2026.
Get a feel of what it's like to fly with KLM,Turkish Airlines, 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
Food
7.4
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Food
7.4
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Food
7.4
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Food
7.4
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Boarding
7.8
Overall
7.8
Food
7.4
Comfort
7.7
Entertainment
7.2
Crew
8.4
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
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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Find flights from Seattle to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Sofia flights
Browse other Seattle and Sofia flight options. Last updated on October 24, 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 October 24, 2026.
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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 October 24, 2026.
Top 4 airlines flying from Seattle to Sofia
Discover the top 4 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 7,457,451 searches. Data last updated October 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$538 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$541 | Average$917 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$596 | Average$742 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$830 | FlexibilityNo cancel fee | On-time69% |