$201+ Cheap flights from Boston (BOS) to Portugal
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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Cheapest flights from Boston to PortugalExplore the most affordable flight options available from Boston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Boston to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:25 pm
BOS
- TER
1 stop12h 40m
Multiple Airlines
Tue 1/125:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$456
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:25 pm
BOS
- TER
1 stop19h 20m
Multiple Airlines
Sat 11/285:55 pm
TER
- BOS
1 stop30h 05m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$471
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:25 pm
BOS
- SJZ
1 stop8h 40m
Multiple Airlines
Sun 12/62:50 pm
SJZ
- BOS
2 stops33h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$489
This FlightHub deal was found by Cheapflights users on 7/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:25 pm
BOS
- SMA
1 stop16h 55m
Multiple Airlines
Sat 11/283:50 pm
SMA
- BOS
1 stop8h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$490
This Justfly.com deal was found by Cheapflights users on 7/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:25 pm
BOS
- FNC
1 stop9h 00m
Multiple Airlines
Tue 11/1011:55 am
FNC
- BOS
2 stops13h 05m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$546
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:25 pm
BOS
- TER
1 stop7h 10m
Multiple Airlines
Tue 1/55:50 pm
TER
- BOS
Nonstop6h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$565
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 pm
BOS
- FAO
1 stop24h 50m
TAP AIR PORTUGAL
Sun 11/86:05 am
FAO
- BOS
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$569
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Sat 12/1211:55 am
FNC
- BOS
1 stop13h 05m
Azores Airlines
Deal found 7/20![Azores Airlines logo]()
$573
This Gotogate deal was found by Cheapflights users on 7/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Sat 11/1411:55 am
FNC
- BOS
1 stop13h 05m
Azores Airlines
Deal found 7/21![Azores Airlines logo]()
$578
This Gotogate deal was found by Cheapflights users on 7/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Fri 11/2012:05 pm
FNC
- BOS
1 stop12h 55m
Azores Airlines
Deal found 7/22![Azores Airlines logo]()
$580
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:00 pm
BOS
- FNC
1 stop10h 15m
TAP AIR PORTUGAL
Sun 9/1311:40 pm
FNC
- BOS
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$582
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:00 pm
BOS
- FNC
1 stop10h 15m
TAP AIR PORTUGAL
Sun 10/118:45 am
FNC
- BOS
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$584
Best flights from Boston to PortugalDiscover carefully curated flight deals from Boston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Boston to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This oojo deal was found by Cheapflights users on 7/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:15 pm
BOS
- FNC
1 stop17h 35m
TAP AIR PORTUGAL
Sun 10/118:45 am
FNC
- BOS
1 stop16h 35m
TAP AIR PORTUGAL
Deal found 7/18![TAP AIR PORTUGAL logo]()
$582
This FlightHub deal was found by Cheapflights users on 7/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/269:25 pm
BOS
- HOR
2 stops8h 40m
Multiple Airlines
Tue 1/510:20 am
HOR
- BOS
1 stop13h 40m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$674
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 1/128:30 am
BOS
- OPO
3 stops22h 15m
United Airlines
Mon 1/1812:35 pm
OPO
- BOS
2 stops36h 45m
United Airlines
Deal found 7/19![United Airlines logo]()
$708
This SWISS deal was found by Cheapflights users on 7/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/199:50 pm
BOS
- FAO
1 stop11h 35m
SWISS
Thu 4/16:30 pm
FAO
- BOS
1 stop30h 25m
SWISS
Deal found 7/21![SWISS logo]()
$718
This British Airways deal was found by Cheapflights users on 7/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:35 pm
BOS
- LIS
1 stop17h 30m
British Airways
Sat 11/2112:55 pm
LIS
- BOS
1 stop11h 45m
British Airways
Deal found 7/23![British Airways logo]()
$732
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:10 pm
BOS
- LIS
1 stop10h 40m
Delta
Sat 11/145:00 am
LIS
- BOS
1 stop13h 25m
Delta
Deal found 7/23![Delta logo]()
$767
This Scandinavian Airlines deal was found by Cheapflights users on 7/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:40 pm
BOS
- FAO
2 stops20h 05m
Scandinavian Airlines
Sat 10/107:35 pm
FAO
- BOS
2 stops25h 00m
Scandinavian Airlines
Deal found 7/21![Scandinavian Airlines logo]()
$779
This KLM deal was found by Cheapflights users on 7/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:40 pm
BOS
- FAO
2 stops16h 10m
KLM
Thu 1/142:40 pm
FAO
- BOS
2 stops29h 42m
KLM
Deal found 7/22![KLM logo]()
$783
This Air Transat deal was found by Cheapflights users on 7/19. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:05 am
BOS
- LIS
1 stop18h 30m
Air Transat
Wed 9/28:15 am
LIS
- BOS
1 stop17h 40m
Air Transat
Deal found 7/19![Air Transat logo]()
$816
This Turkish Airlines deal was found by Cheapflights users on 7/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:50 pm
BOS
- LIS
1 stop36h 45m
Turkish Airlines
Fri 9/184:45 pm
LIS
- BOS
1 stop32h 10m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$861
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:15 pm
BOS
- TER
Nonstop5h 05m
Azores Airlines
Tue 9/156:05 pm
TER
- BOS
Nonstop5h 45m
Azores Airlines
Deal found 7/20![Azores Airlines logo]()
$989
This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:05 pm
BOS
- TER
2 stops19h 00m
TAP AIR PORTUGAL
Tue 10/137:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$653
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 8/237:05 am
BOS
- PDL
2 stops21h 35m
United Airlines
Wed 9/211:00 am
PDL
- BOS
2 stops12h 19m
United Airlines
Deal found 7/21![United Airlines logo]()
$766
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/21. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:05 pm
BOS
- OPO
1 stop21h 20m
TAP AIR PORTUGAL
Mon 10/125:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$699
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
Mon 9/711:55 am
LIS
- BOS
1 stop30h 24m
Delta
Deal found 7/18![Delta logo]()
$769
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/119:15 pm
BOS
- HOR
1 stop8h 35m
Multiple Airlines
Sat 10/177:30 pm
HOR
- BOS
1 stop28h 20m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$774
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:25 pm
BOS
- FNC
1 stop32h 10m
KLM
Sun 9/136:40 pm
FNC
- BOS
1 stop23h 39m
KLM
Deal found 7/19![KLM logo]()
$804
This SWISS deal was found by Cheapflights users on 7/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/199:50 pm
BOS
- FAO
1 stop11h 35m
SWISS
Fri 4/27:00 pm
FAO
- BOS
1 stop29h 55m
SWISS
Deal found 7/21![SWISS logo]()
$808
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:20 pm
BOS
- LIS
Nonstop6h 25m
Delta
Sat 9/55:00 am
LIS
- BOS
1 stop13h 19m
Delta
Deal found 7/18![Delta logo]()
$773
This Gotogate deal was found by Cheapflights users on 7/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:25 pm
BOS
- HOR
1 stop15h 50m
Multiple Airlines
Sat 1/212:50 pm
HOR
- BOS
1 stop11h 10m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$777
This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:45 pm
BOS
- TER
2 stops38h 20m
TAP AIR PORTUGAL
Sat 9/197:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$707
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Fri 10/167:38 am
BOS
- OPO
2 stops18h 32m
United Airlines
Wed 10/2111:20 am
OPO
- BOS
2 stops29h 04m
United Airlines
Deal found 7/19![United Airlines logo]()
$798
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:45 pm
BOS
- FNC
1 stop12h 35m
KLM
Sun 8/96:35 pm
FNC
- BOS
1 stop23h 43m
KLM
Deal found 7/19![KLM logo]()
$819
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Tue 10/275:00 am
LIS
- BOS
1 stop13h 25m
Delta
Deal found 7/23![Delta logo]()
$778
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 pm
BOS
- TER
1 stop25h 10m
TAP AIR PORTUGAL
Mon 8/317:05 am
TER
- BOS
1 stop17h 15m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$728
This FlightHub deal was found by Cheapflights users on 7/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:00 pm
BOS
- SMA
2 stops35h 00m
Multiple Airlines
Sun 11/156:45 pm
SMA
- BOS
1 stop29h 15m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 9/812:37 pm
BOS
- FNC
2 stops14h 28m
United Airlines
Wed 9/169:40 am
FNC
- BOS
2 stops14h 39m
United Airlines
Deal found 7/21![United Airlines logo]()
$819
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:34 pm
BOS
- FAO
2 stops17h 16m
KLM
Fri 11/272:40 pm
FAO
- BOS
1 stop27h 45m
KLM
Deal found 7/21![KLM logo]()
$863
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:45 pm
BOS
- LIS
1 stop12h 10m
Delta
Fri 8/2810:00 am
LIS
- BOS
1 stop14h 15m
Delta
Deal found 7/18![Delta logo]()
$787
This Mytrip deal was found by Cheapflights users on 7/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:50 pm
BOS
- FNC
3 stops30h 30m
Multiple Airlines
Sun 10/1111:40 pm
FNC
- BOS
1 stop25h 40m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$822
Last-minute flights from Boston to PortugalDiscover last-minute flight deals from Boston to Portugal. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Portugal. Data last updated July 23, 2026 and is based on user searches.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/22. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:45 pm
BOS
- OPO
1 stop16h 40m
TAP AIR PORTUGAL
Mon 9/215:50 pm
OPO
- BOS
Nonstop7h 30m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$676
This oojo deal was found by Cheapflights users on 7/21. 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.
Fri 8/2110:45 pm
BOS
- TER
1 stop20h 30m
TAP AIR PORTUGAL
Wed 9/91:40 pm
TER
- BOS
1 stop29h 05m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$635
This oojo deal was found by Cheapflights users on 7/21. 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.
Sun 8/2311:00 pm
BOS
- TER
1 stop14h 05m
TAP AIR PORTUGAL
Wed 9/97:15 am
TER
- BOS
1 stop17h 05m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$607
This LEVEL deal was found by Cheapflights users on 7/22. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:35 pm
BOS
- OPO
1 stop16h 45m
LEVEL
Sun 9/68:35 am
OPO
- BOS
1 stop18h 10m
LEVEL
Deal found 7/22![LEVEL logo]()
$685
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 pm
BOS
- FAO
1 stop11h 20m
TAP AIR PORTUGAL
Wed 9/96:10 pm
FAO
- BOS
1 stop25h 35m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$577
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:50 pm
BOS
- FAO
2 stops17h 25m
Multiple Airlines
Wed 9/98:05 pm
FAO
- BOS
3 stops31h 35m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$681
This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 pm
BOS
- OPO
1 stop9h 55m
TAP AIR PORTUGAL
Mon 8/319:15 pm
OPO
- BOS
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$686
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:45 pm
BOS
- OPO
1 stop19h 25m
TAP AIR PORTUGAL
Tue 10/275:50 pm
OPO
- BOS
Nonstop7h 55m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$687
This Kissandfly.com deal was found by Cheapflights users on 7/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 pm
BOS
- FNC
1 stop17h 35m
TAP AIR PORTUGAL
Sun 9/1311:40 pm
FNC
- BOS
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 7/23![TAP AIR PORTUGAL logo]()
$590
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:50 pm
BOS
- OPO
2 stops21h 40m
Multiple Airlines
Fri 9/118:55 pm
OPO
- BOS
3 stops30h 45m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$675
This Justfly.com deal was found by Cheapflights users on 7/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:15 pm
BOS
- OPO
Nonstop6h 40m
TAP AIR PORTUGAL
Mon 9/710:30 pm
OPO
- BOS
1 stop26h 50m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$681
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/318:50 pm
BOS
- OPO
2 stops21h 40m
Multiple Airlines
Tue 10/272:10 pm
OPO
- BOS
1 stop10h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$682
One-way flights from Boston to PortugalSearch for one-way flight options from Boston to Portugal. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Boston to Portugal. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 10/1811:35 pm
BOS
- OPO
1 stop27h 25m
LEVEL
Deal found 7/20![LEVEL logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/2110:55 pm
BOS
- OPO
1 stop17h 25m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 10/1811:35 pm
BOS
- OPO
2 stops33h 50m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$213
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/109:25 pm
BOS
- FNC
1 stop9h 00m
Azores Airlines
Deal found 7/20![Azores Airlines logo]()
$242
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:25 pm
BOS
- OPO
1 stop11h 25m
Azores Airlines
Deal found 7/21![Azores Airlines logo]()
$244
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:25 pm
BOS
- OPO
1 stop9h 25m
Azores Airlines
Deal found 7/21![Azores Airlines logo]()
$249
This KAYAK deal was found by Cheapflights users on 7/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:25 pm
BOS
- OPO
1 stop18h 40m
Azores Airlines
Deal found 7/22![Azores Airlines logo]()
$251
This oojo deal was found by Cheapflights users on 7/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 7/22![TAP AIR PORTUGAL logo]()
$252
This oojo deal was found by Cheapflights users on 7/21. 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 11/46:00 pm
BOS
- PDL
1 stop10h 20m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$254
This oojo deal was found by Cheapflights users on 7/21. 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.
Tue 8/2510:45 pm
BOS
- PDL
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$256
This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:45 pm
BOS
- PDL
1 stop21h 00m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$259
This Mytrip deal was found by Cheapflights users on 7/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:45 pm
BOS
- PDL
1 stop31h 00m
TAP AIR PORTUGAL
Deal found 7/21![TAP AIR PORTUGAL logo]()
$262
Find flight deals from Boston to Portugal
Keep the following information in mind while searching for Boston to Portugal flight deals. Data was last updated July 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $456 (Mytrip) |
One-way from | $201 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,072 |
Good round-trip deal | $726 or less |
Good one-way deal | $368 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Portugal 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 July 23, 2026.
Use the filters below to find and compare flights from Boston to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonFunchal
BOS - FNC
BOSFNC
Boston Logan Intl
Wed 10/7
11:15 pm-9:50 pm
1 stop17h 35m
Funchal Madeira
Sun 10/11
8:45 am-8:20 pm
1 stop16h 35m
$582
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Sat 10/3
6:05 pm-5:05 pm
2 stops19h 00m
Lajes
Tue 10/13
7:05 am-8:20 pm
1 stop17h 15m
$653
BostonHorta
BOS - HOR
BOSHOR
Boston Logan Intl
Sat 12/26
9:25 pm-10:05 am
2 stops8h 40m
Horta
Tue 1/5
10:20 am-8:00 pm
1 stop13h 40m
$674
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 10/6
6:05 pm-8:25 pm
1 stop21h 20m
Porto
Mon 10/12
5:50 pm-8:20 pm
Nonstop7h 30m
$699
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Sat 9/12
10:45 pm-5:05 pm
2 stops38h 20m
Lajes
Sat 9/19
7:05 am-8:20 pm
1 stop17h 15m
$707
BostonPorto
BOS - OPO
BOSOPO
Boston Logan Intl
Tue 1/12
8:30 am-11:45 am
3 stops22h 15m
Porto
Mon 1/18
12:35 pm-8:20 pm
2 stops36h 45m
$708
BostonFaro
BOS - FAO
BOSFAO
Boston Logan Intl
Tue 1/19
9:50 pm-2:25 pm
1 stop11h 35m
Faro
Thu 4/1
6:30 pm-7:55 pm
1 stop30h 25m
$718
BostonLajes
BOS - TER
BOSTER
Boston Logan Intl
Tue 8/18
6:05 pm-11:15 pm
1 stop25h 10m
Lajes
Mon 8/31
7:05 am-8:20 pm
1 stop17h 15m
$728
BostonLisbon
BOS - LIS
BOSLIS
Boston Logan Intl
Sat 10/17
7:35 pm-6:05 pm
1 stop17h 30m
Lisbon Humberto Delgado
Sat 11/21
12:55 pm-7:40 pm
1 stop11h 45m
$732
BostonPonta Delgada
BOS - PDL
BOSPDL
Boston Logan Intl
Sun 8/23
7:05 am-8:40 am
2 stops21h 35m
Ponta Delgada Nordela
Wed 9/2
11:00 am-7:19 pm
2 stops12h 19m
$766
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Boston with our price prediction graph.
BOS-TER
BOS-SJZ
BOS-SMA
BOS-FNC
BOS-FAO
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 Boston to Portugal
BOS-PT0
BOS-TER
BOS-SJZ
BOS-SMA
BOS-FNC
What is the cheapest month to book a flight from Boston to Portugal?
Currently, February is the cheapest month in which you can book a flight from Boston to Portugal (average of $606). Flying from Boston to Portugal in July is currently the most expensive (average of $1,044). 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.
What is the cheapest time of day to fly from BOS to PT?
Find hourly flight availability from Boston to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.
When flying from Boston to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Boston to Portugal
Explore weekly flight availability from Boston to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 23, 2026.
The most flights from BOS to PT0 are scheduled on a Monday (10 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).
How often are flights from Boston to Portugal delayed?
About 23% of weekly flights between Boston and Portugal have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Boston to Portugal flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 15% of flights being delayed.
How far ahead should I book a flight from Boston to Portugal?
The best time to book flights from Boston to Portugal is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated July 23, 2026.
Peruse reviews from past customers who have flown with Delta,Virgin Atlantic, andAir France from Boston to Portugal 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.
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Crew
8.5
Food
7.2
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Related info for your journey
Find useful and relevant information for your journey from Boston to Portugal. 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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Alternative routes for Boston to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Portugal by cabin class
Find flights from Boston to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Portugal flights
Browse other Boston and Portugal flight options. Last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Portugal flights
Consider these flights traveling from Boston to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Boston to Portugal
Discover the top 10 airlines that operate flights from Boston to Portugal. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$863 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$351 | Average$639 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$353 | Average$612 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$362 | Average$601 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$363 | Average$679 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$369 | Average$605 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$376 | Average$683 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$383 | Average$606 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$391 | Average$810 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$394 | Average$785 | FlexibilityNo cancel fee | On-time75% |