$259+ Cheap flights from the United States 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOF
Apr 17 — Apr 241
Round-trip
1 adult, Economy
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Cheapest flights from USA to SofiaExplore the most affordable flight options available from USA to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
Explore the most affordable flight options available from USA to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2026.
This Air Serbia deal was found by Cheapflights users on 3/15. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Wed 11/114:05 pm
SOF
- JFK
1 stop26h 35m
Air Serbia
Deal found 3/15![Air Serbia logo]()
$451
This Air Serbia deal was found by Cheapflights users on 3/14. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Fri 10/25:00 am
SOF
- JFK
1 stop19h 30m
Air Serbia
Deal found 3/14![Air Serbia logo]()
$466
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Thu 9/107:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Thu 9/245:00 am
SOF
- JFK
1 stop19h 30m
Air Serbia
Deal found 3/13![Air Serbia logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 11/227:30 pm
JFK
- SOF
1 stop13h 00m
Air Serbia
Thu 11/265:00 am
SOF
- JFK
1 stop13h 40m
Air Serbia
Deal found 3/16![Air Serbia logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 11/192:00 pm
JFK
- SOF
1 stop18h 30m
Air Serbia
Wed 12/24:05 pm
SOF
- JFK
1 stop26h 35m
Air Serbia
Deal found 3/16![Air Serbia logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 3/308:30 pm
EWR
- SOF
1 stop19h 30m
Multiple Airlines
Mon 4/136:55 pm
SOF
- EWR
1 stop26h 00m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$487
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/145:30 pm
JFK
- SOF
1 stop11h 40m
Lufthansa
Tue 4/286:10 am
SOF
- JFK
1 stop15h 50m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/155:30 pm
JFK
- SOF
1 stop11h 40m
Multiple Airlines
Wed 4/2912:25 pm
SOF
- JFK
1 stop14h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/65:40 pm
EWR
- SOF
1 stop14h 40m
Austrian Airlines
Mon 4/206:55 pm
SOF
- EWR
1 stop26h 00m
Austrian Airlines
Deal found 3/15![Austrian Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/135:30 pm
JFK
- SOF
1 stop11h 40m
Lufthansa
Tue 4/286:10 am
SOF
- JFK
1 stop15h 50m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/205:30 pm
JFK
- SOF
1 stop11h 40m
Multiple Airlines
Mon 5/43:40 pm
SOF
- JFK
1 stop28h 10m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$496
This Mytrip deal was found by Cheapflights users on 3/15. 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 4/66:15 am
BOS
- SOF
2 stops29h 25m
Multiple Airlines
Mon 4/207:00 pm
SOF
- BOS
1 stop27h 40m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$502
Best flights from USA to SofiaDiscover carefully curated flight deals from USA to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
Discover carefully curated flight deals from USA to Sofia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 18, 2026.
This SWISS deal was found by Cheapflights users on 3/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:15 pm
JFK
- SOF
1 stop11h 05m
SWISS
Wed 4/2211:05 am
SOF
- JFK
1 stop12h 30m
SWISS
Deal found 3/14![SWISS logo]()
$528
This Air Serbia deal was found by Cheapflights users on 3/16. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Sun 9/134:05 pm
SOF
- JFK
1 stop26h 50m
Air Serbia
Deal found 3/16![Air Serbia logo]()
$531
This United Airlines deal was found by Cheapflights users on 3/14. 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 8/43:08 pm
EWR
- SOF
2 stops14h 02m
United Airlines
Tue 8/252:10 pm
SOF
- EWR
2 stops16h 38m
United Airlines
Deal found 3/14![United Airlines logo]()
$558
This Turkish Airlines deal was found by Cheapflights users on 3/17. 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 5/412:25 am
EWR
- SOF
1 stop12h 50m
Turkish Airlines
Tue 5/123:50 pm
SOF
- EWR
1 stop13h 40m
Turkish Airlines
Deal found 3/17![Turkish Airlines logo]()
$619
This KLM deal was found by Cheapflights users on 3/13. 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.
Mon 5/47:25 am
SFO
- SOF
2 stops20h 35m
KLM
Thu 5/217:00 am
SOF
- SFO
2 stops19h 57m
KLM
Deal found 3/13![KLM logo]()
$741
This oojo deal was found by Cheapflights users on 3/13. 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 5/1210:30 pm
ATL
- SOF
1 stop15h 00m
British Airways
Wed 5/279:25 pm
SOF
- ATL
1 stop30h 10m
British Airways
Deal found 3/13![British Airways logo]()
$783
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:00 am
ATL
- SOF
2 stops19h 55m
Multiple Airlines
Mon 9/72:20 pm
SOF
- ATL
1 stop30h 25m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$856
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/292:49 pm
LGA
- SOF
2 stops15h 36m
United Airlines
Wed 5/68:00 am
SOF
- LGA
2 stops17h 43m
United Airlines
Deal found 3/15![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/152:37 pm
BOS
- SOF
2 stops14h 33m
United Airlines
Mon 4/202:20 pm
SOF
- BOS
2 stops55h 22m
United Airlines
Deal found 3/16![United Airlines logo]()
$578
This Air Serbia deal was found by Cheapflights users on 3/15. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:20 pm
ORD
- SOF
1 stop19h 40m
Air Serbia
Mon 9/75:00 am
SOF
- ORD
1 stop17h 30m
Air Serbia
Deal found 3/15![Air Serbia logo]()
$640
This SWISS deal was found by Cheapflights users on 3/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:30 pm
JFK
- SOF
1 stop30h 50m
SWISS
Wed 4/1512:55 pm
SOF
- JFK
2 stops30h 55m
SWISS
Deal found 3/14![SWISS logo]()
$661
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/62:22 pm
BOS
- SOF
2 stops14h 48m
United Airlines
Wed 5/206:10 am
SOF
- BOS
2 stops19h 54m
United Airlines
Deal found 3/13![United Airlines logo]()
$581
This Turkish Airlines deal was found by Cheapflights users on 3/16. 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 8/216:45 pm
SFO
- SOF
1 stop32h 30m
Turkish Airlines
Tue 9/19:35 am
SOF
- SFO
1 stop17h 05m
Turkish Airlines
Deal found 3/16![Turkish Airlines logo]()
$712
This Air Serbia deal was found by Cheapflights users on 3/17. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Mon 6/294:05 pm
SOF
- JFK
1 stop26h 50m
Air Serbia
Deal found 3/17![Air Serbia logo]()
$696
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/138:05 pm
BOS
- SOF
1 stop19h 55m
United Airlines
Wed 5/206:20 am
SOF
- BOS
2 stops18h 39m
United Airlines
Deal found 3/13![United Airlines logo]()
$582
This KLM deal was found by Cheapflights users on 3/15. 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.
Fri 5/81:32 pm
IAD
- SOF
2 stops17h 28m
KLM
Fri 5/227:00 am
SOF
- IAD
1 stop15h 35m
KLM
Deal found 3/15![KLM logo]()
$784
This British Airways deal was found by Cheapflights users on 3/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/14:46 pm
ORD
- SOF
2 stops19h 24m
British Airways
Wed 8/269:25 pm
SOF
- ORD
1 stop26h 30m
British Airways
Deal found 3/14![British Airways logo]()
$792
This Air Serbia deal was found by Cheapflights users on 3/17. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Sun 6/284:05 pm
SOF
- JFK
1 stop26h 50m
Air Serbia
Deal found 3/17![Air Serbia logo]()
$696
This KLM deal was found by Cheapflights users on 3/13. 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.
Wed 5/135:00 pm
ATL
- SOF
1 stop14h 00m
KLM
Thu 5/287:00 am
SOF
- ATL
1 stop16h 55m
KLM
Deal found 3/13![KLM logo]()
$787
This United Airlines deal was found by Cheapflights users on 3/15. 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 4/27:25 pm
LGA
- SOF
2 stops16h 15m
United Airlines
Tue 4/1412:55 pm
SOF
- LGA
2 stops17h 33m
United Airlines
Deal found 3/15![United Airlines logo]()
$600
This SWISS deal was found by Cheapflights users on 3/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:43 pm
ATL
- SOF
2 stops40h 12m
SWISS
Mon 4/203:40 pm
SOF
- ATL
2 stops36h 48m
SWISS
Deal found 3/15![SWISS logo]()
$852
This Air Serbia deal was found by Cheapflights users on 3/17. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Sat 6/274:05 pm
SOF
- JFK
1 stop32h 25m
Air Serbia
Deal found 3/17![Air Serbia logo]()
$726
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/142:49 pm
LGA
- SOF
2 stops14h 21m
United Airlines
Mon 4/2012:55 pm
SOF
- LGA
2 stops17h 35m
United Airlines
Deal found 3/13![United Airlines logo]()
$601
This KLM deal was found by Cheapflights users on 3/16. 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.
Tue 4/712:14 pm
IAD
- SOF
2 stops18h 46m
KLM
Tue 4/217:00 am
SOF
- IAD
1 stop15h 35m
KLM
Deal found 3/16![KLM logo]()
$806
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:00 am
ATL
- SOF
2 stops19h 55m
SWISS
Mon 9/73:40 pm
SOF
- ATL
2 stops56h 52m
SWISS
Deal found 3/18![SWISS logo]()
$853
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/27:25 pm
LGA
- SOF
2 stops20h 35m
United Airlines
Wed 4/86:10 am
SOF
- LGA
2 stops24h 20m
United Airlines
Deal found 3/13![United Airlines logo]()
$601
This KLM deal was found by Cheapflights users on 3/15. 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.
Tue 4/2811:19 am
ORD
- SOF
2 stops18h 41m
KLM
Wed 5/137:00 am
SOF
- ORD
1 stop15h 30m
KLM
Deal found 3/15![KLM logo]()
$808
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 5/187:29 pm
LGA
- SOF
2 stops16h 11m
United Airlines
Tue 5/2612:55 pm
SOF
- LGA
2 stops17h 15m
United Airlines
Deal found 3/15![United Airlines logo]()
$610
This KLM deal was found by Cheapflights users on 3/16. 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.
Tue 5/1210:40 pm
ATL
- SOF
1 stop32h 20m
KLM
Thu 5/217:00 am
SOF
- ATL
2 stops17h 02m
KLM
Deal found 3/16![KLM logo]()
$847
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Sat 4/46:40 pm
BOS
- SOF
2 stops35h 55m
United Airlines
Sat 4/186:10 am
SOF
- BOS
1 stop18h 30m
United Airlines
Deal found 3/13![United Airlines logo]()
$611
Last-minute flights from USA to SofiaDiscover last-minute flight deals from USA to Sofia. Data last updated March 18, 2026 and is based on user searches.
Discover last-minute flight deals from USA to Sofia. Data last updated March 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 3/308:30 pm
EWR
- SOF
1 stop19h 30m
Multiple Airlines
Mon 4/136:55 pm
SOF
- EWR
1 stop26h 00m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$487
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Tue 3/312:30 pm
EWR
- SOF
2 stops21h 10m
Multiple Airlines
Wed 4/158:00 am
SOF
- EWR
1 stop12h 55m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/65:40 pm
EWR
- SOF
1 stop14h 40m
Austrian Airlines
Mon 4/206:55 pm
SOF
- EWR
1 stop26h 00m
Austrian Airlines
Deal found 3/15![Austrian Airlines logo]()
$491
This Mytrip deal was found by Cheapflights users on 3/15. 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 4/66:15 am
BOS
- SOF
2 stops29h 25m
Multiple Airlines
Mon 4/207:00 pm
SOF
- BOS
1 stop27h 40m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/65:20 pm
BOS
- SOF
1 stop11h 55m
SWISS
Mon 4/203:40 pm
SOF
- BOS
1 stop30h 30m
SWISS
Deal found 3/16![SWISS logo]()
$507
This Air Serbia deal was found by Cheapflights users on 3/13. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:30 pm
JFK
- SOF
1 stop13h 05m
Air Serbia
Mon 5/44:05 pm
SOF
- JFK
1 stop26h 50m
Air Serbia
Deal found 3/13![Air Serbia logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/135:30 pm
JFK
- SOF
1 stop11h 40m
Lufthansa
Tue 4/286:10 am
SOF
- JFK
1 stop15h 50m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$493
This Flighttix deal was found by Cheapflights users on 3/15. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1310:40 am
JFK
- SOF
2 stops18h 30m
Multiple Airlines
Tue 4/286:55 pm
SOF
- JFK
1 stop32h 10m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/145:30 pm
JFK
- SOF
1 stop11h 40m
Lufthansa
Tue 4/286:10 am
SOF
- JFK
1 stop15h 50m
Lufthansa
Deal found 3/13![Lufthansa logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
Tue 4/146:00 pm
EWR
- SOF
1 stop12h 05m
Multiple Airlines
Tue 4/288:00 am
SOF
- EWR
1 stop12h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/155:30 pm
JFK
- SOF
1 stop11h 40m
Multiple Airlines
Wed 4/2912:25 pm
SOF
- JFK
1 stop14h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/205:30 pm
JFK
- SOF
1 stop11h 40m
Multiple Airlines
Mon 5/43:40 pm
SOF
- JFK
1 stop28h 10m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$496
One-way flights from USA to SofiaSearch for one-way flight options from USA to Sofia. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
Search for one-way flight options from USA to Sofia. Find affordable one-way fares based on user searches. Data last updated March 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/266:55 am
ATL
- SOF
3 stops32h 05m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/277:15 am
ATL
- SOF
3 stops32h 15m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/1111:00 pm
BOS
- SOF
3 stops40h 00m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/128:50 pm
BOS
- SOF
3 stops43h 50m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$271
This Trip.com deal was found by Cheapflights users on 3/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:55 pm
JFK
- SOF
1 stop14h 10m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 3/236:55 pm
JFK
- SOF
3 stops46h 35m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$278
This oojo deal was found by Cheapflights users on 3/15. 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 8/195:30 pm
ORD
- SOF
2 stops35h 55m
British Airways
Deal found 3/15![British Airways logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/133:54 pm
EWR
- SOF
3 stops23h 36m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$282
This British Airways deal was found by Cheapflights users on 3/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:05 pm
ORD
- SOF
1 stop17h 25m
British Airways
Deal found 3/13![British Airways logo]()
$283
This oojo deal was found by Cheapflights users on 3/15. 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 9/95:41 pm
LAX
- SOF
2 stops33h 44m
British Airways
Deal found 3/15![British Airways logo]()
$285
This Air Serbia deal was found by Cheapflights users on 3/16. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:00 pm
JFK
- SOF
1 stop18h 35m
Air Serbia
Deal found 3/16![Air Serbia logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/227:25 pm
ORD
- SOF
3 stops30h 55m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$287
Find flight deals from USA to Sofia
Keep the following information in mind while searching for USA to Sofia flight deals. Data was last updated March 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $466 (Air Serbia) |
One-way from | $259 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $582 |
Cheapflights Fare Finder
Customize your flight search to find flights from USA 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 18, 2026.
Use the filters below to find and compare flights from the United States to Sofia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
New YorkSofia
JFK - SOF
JFKSOF
New York John F Kennedy Intl
Tue 4/14
4:15 pm-10:20 am
1 stop11h 05m
Sofia
Wed 4/22
11:05 am-4:35 pm
1 stop12h 30m
$528
New YorkSofia
JFK - SOF
JFKSOF
New York John F Kennedy Intl
Fri 9/4
7:30 pm-3:35 pm
1 stop13h 05m
Sofia
Sun 9/13
4:05 pm-11:55 am
1 stop26h 50m
$531
NewarkSofia
EWR - SOF
EWRSOF
Newark
Tue 8/4
3:08 pm-12:10 pm
2 stops14h 02m
Sofia
Tue 8/25
2:10 pm-11:48 pm
2 stops16h 38m
$558
New YorkSofia
LGA - SOF
LGASOF
New York LaGuardia
Wed 4/29
2:49 pm-1:25 pm
2 stops15h 36m
Sofia
Wed 5/6
8:00 am-6:43 pm
2 stops17h 43m
$570
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Wed 4/15
2:37 pm-12:10 pm
2 stops14h 33m
Sofia
Mon 4/20
2:20 pm-2:42 pm
2 stops55h 22m
$578
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Wed 5/6
2:22 pm-12:10 pm
2 stops14h 48m
Sofia
Wed 5/20
6:10 am-7:04 pm
2 stops19h 54m
$581
BostonSofia
BOS - SOF
BOSSOF
Boston Logan Intl
Wed 5/13
8:05 pm-11:00 pm
1 stop19h 55m
Sofia
Wed 5/20
6:20 am-5:59 pm
2 stops18h 39m
$582
New YorkSofia
LGA - SOF
LGASOF
New York LaGuardia
Thu 4/2
7:25 pm-6:40 pm
2 stops16h 15m
Sofia
Tue 4/14
12:55 pm-11:28 pm
2 stops17h 33m
$600
New YorkSofia
LGA - SOF
LGASOF
New York LaGuardia
Tue 4/14
2:49 pm-12:10 pm
2 stops14h 21m
Sofia
Mon 4/20
12:55 pm-11:30 pm
2 stops17h 35m
$601
New YorkSofia
LGA - SOF
LGASOF
New York LaGuardia
Thu 4/2
7:25 pm-11:00 pm
2 stops20h 35m
Sofia
Wed 4/8
6:10 am-11:30 pm
2 stops24h 20m
$601
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from USA to Sofia
Have a flexible travel schedule? Discover the best time to fly to Sofia from USA with our price prediction graph.
EWR-SOF
JFK-SOF
BOS-SOF
ORD-SOF
IAD-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 the United States to Sofia
US0-SOF
EWR-SOF
JFK-SOF
BOS-SOF
ORD-SOF
What is the cheapest month to book a flight from USA to Sofia?
Currently, October is the cheapest month in which you can book a flight from USA to Sofia (average of $223). Flying from USA to Sofia in May is currently the most expensive (average of $531). 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.
The best insider tips for theUnited States to Sofia flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Sofia trip
Our travel experts
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 18, 2026.
Peruse reviews from past customers who have flown with KLM,LOT, andUnited Airlines from the United States to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Overall
7.8
Crew
8.4
Boarding
7.8
Food
7.3
Comfort
7.6
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Entertainment
7.1
Overall
7.8
Crew
8.4
Boarding
7.8
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 USA 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for USA to Sofia
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Complete your trip
Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from USA to Sofia by cabin class
Find flights from USA to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
USA and Sofia flights
Browse other USA and Sofia flight options. Last updated on March 18, 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 18, 2026.
Top 10 airlines flying from USA to Sofia
Discover the top 10 airlines that operate flights from USA 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$193 | Average$768 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$356 | Average$725 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$380 | Average$675 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$394 | Average$744 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$396 | Average$664 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$409 | Average$805 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$413 | Average$847 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$421 | Average$836 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$455 | Average$741 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$478 | Average$984 | FlexibilityNo cancel fee | On-time62% |