$213+ Cheap flights from Boston (BOS) to Portugal
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Portugal with Cheapflights
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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 October 26, 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 October 26, 2026.
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:25 pm -
Nonstop4h 55m
Tue 12/15:50 pm -
Nonstop6h 10m
Deal found 10/23![Azores Airlines logo]()
$562
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 pm -
1 stop30h 05m
Tue 11/246:30 am -
1 stop12h 15m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$572
This Booking.com deal was found by Cheapflights users on 10/25. 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 11/109:25 pm -
Nonstop4h 55m
Sun 11/155:50 pm -
Nonstop6h 10m
Deal found 10/25![Azores Airlines logo]()
$573
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:25 pm -
1 stop12h 45m
Mon 11/305:50 pm -
Nonstop6h 10m
Deal found 10/23![Multiple Airlines logo]()
$574
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 pm -
Nonstop4h 55m
Sun 11/155:50 pm -
Nonstop6h 10m
Deal found 10/24![Azores Airlines logo]()
$575
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:25 pm -
1 stop13h 20m
Sun 12/136:55 am -
1 stop17h 05m
Deal found 10/22![Multiple Airlines logo]()
$577
This Ovago 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 Ovago is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Tue 11/109:25 pm -
Nonstop4h 55m
Mon 11/235:50 pm -
Nonstop6h 10m
Deal found 10/21![Azores Airlines logo]()
$578
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:25 pm -
Nonstop4h 55m
Sat 12/125:50 pm -
Nonstop6h 10m
Deal found 10/21![Azores Airlines logo]()
$580
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 pm -
1 stop10h 20m
Thu 12/36:30 am -
1 stop17h 45m
Deal found 10/21![TAP AIR PORTUGAL logo]()
$581
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:50 pm -
Nonstop6h 45m
Tue 11/175:45 pm -
Nonstop7h 45m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$581
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 pm -
2 stops18h 00m
Wed 12/1611:35 am -
2 stops32h 30m
Deal found 10/23![Multiple Airlines logo]()
$582
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:25 pm -
Nonstop4h 55m
Mon 12/1411:35 am -
1 stop12h 25m
Deal found 10/23![Multiple Airlines logo]()
$582
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 October 26, 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 October 26, 2026.
This Booking.com deal was found by Cheapflights users on 10/25. 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.
Fri 11/139:25 pm -
1 stop13h 55m
Wed 11/186:45 pm -
1 stop29h 15m
Deal found 10/25![Multiple Airlines logo]()
$584
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:55 am -
2 stops19h 40m
Fri 1/295:00 am -
1 stop14h 23m
Deal found 10/23![Delta logo]()
$706
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 pm -
1 stop10h 20m
Wed 11/187:25 pm -
1 stop23h 35m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$716
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:00 am -
1 stop18h 30m
Mon 12/1412:30 pm -
1 stop30h 15m
Deal found 10/23![United Airlines logo]()
$727
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/157:20 pm -
1 stop33h 15m
Sun 2/2110:10 am -
1 stop33h 03m
Deal found 10/23![KLM logo]()
$780
This SWISS deal was found by Cheapflights users on 10/25. 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.
Mon 11/29:50 pm -
2 stops34h 35m
Mon 11/99:10 am -
2 stops40h 10m
Deal found 10/25![SWISS logo]()
$852
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:30 am -
1 stop21h 20m
Fri 1/87:05 am -
2 stops14h 57m
Deal found 10/23![British Airways logo]()
$877
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:25 pm -
1 stop10h 00m
Sun 11/811:10 am -
2 stops37h 50m
Deal found 10/22![Azores Airlines logo]()
$881
This ITA Airways 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:20 pm -
2 stops16h 55m
Sat 11/77:40 am -
2 stops35h 05m
Deal found 10/22![ITA Airways logo]()
$1,157
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:50 pm -
2 stops19h 50m
Mon 1/188:55 pm -
2 stops25h 55m
Deal found 10/22![Multiple Airlines logo]()
$605
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:10 pm -
1 stop21h 35m
Tue 12/18:10 am -
1 stop15h 50m
Deal found 10/21![Multiple Airlines logo]()
$617
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 pm -
1 stop10h 10m
Sun 12/139:30 am -
2 stops26h 09m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$746
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.
Mon 11/2311:55 am -
2 stops16h 35m
Tue 12/112:35 pm -
2 stops16h 24m
Deal found 10/21![United Airlines logo]()
$746
This KLM deal was found by Cheapflights users on 10/25. 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 1/88:55 pm -
1 stop31h 25m
Wed 1/2010:25 am -
1 stop32h 58m
Deal found 10/25![KLM logo]()
$780
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/148:00 pm -
1 stop31h 10m
Sun 1/1710:50 am -
2 stops35h 52m
Deal found 10/24![United Airlines logo]()
$753
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:25 pm -
1 stop16h 50m
Sat 11/73:50 pm -
1 stop8h 10m
Deal found 10/21![Multiple Airlines logo]()
$687
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/25. 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.
Fri 4/910:15 pm -
1 stop10h 35m
Sun 4/116:35 pm -
1 stop30h 25m
Deal found 10/25![TAP AIR PORTUGAL logo]()
$756
This SWISS deal was found by Cheapflights users on 10/25. 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 -
1 stop11h 15m
Fri 4/27:00 pm -
1 stop29h 55m
Deal found 10/25![SWISS logo]()
$872
This KLM deal was found by Cheapflights users on 10/25. 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 1/158:55 pm -
1 stop31h 25m
Fri 1/226:00 pm -
2 stops27h 35m
Deal found 10/25![KLM logo]()
$794
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1610:25 pm -
2 stops32h 25m
Fri 4/94:35 pm -
2 stops31h 15m
Deal found 10/25![Multiple Airlines logo]()
$691
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:30 am -
1 stop16h 40m
Sun 11/812:20 pm -
2 stops24h 23m
Deal found 10/23![United Airlines logo]()
$767
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/25. 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.
Sun 11/110:10 pm -
1 stop30h 05m
Mon 11/95:45 pm -
1 stop30h 45m
Deal found 10/25![TAP AIR PORTUGAL logo]()
$793
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/315:00 pm -
2 stops59h 35m
Sun 2/1410:10 am -
2 stops26h 14m
Deal found 10/23![KLM logo]()
$811
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1610:25 pm -
2 stops32h 25m
Thu 4/811:40 am -
2 stops36h 10m
Deal found 10/25![Multiple Airlines logo]()
$691
This British Airways deal was found by Cheapflights users on 10/25. 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.
Mon 11/29:15 pm -
2 stops39h 35m
Tue 11/1012:25 pm -
2 stops39h 16m
Deal found 10/25![British Airways logo]()
$1,025
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/285:45 am -
2 stops23h 55m
Thu 1/78:55 am -
2 stops44h 04m
Deal found 10/25![United Airlines logo]()
$777
This KLM deal was found by Cheapflights users on 10/25. 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 4/147:45 pm -
2 stops18h 30m
Sun 4/1810:00 am -
2 stops17h 26m
Deal found 10/25![KLM logo]()
$829
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:05 pm -
2 stops19h 30m
Fri 11/206:30 am -
1 stop12h 10m
Deal found 10/24![TAP AIR PORTUGAL logo]()
$834
This FlightHub deal was found by Cheapflights users on 10/25. 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 3/1810:25 pm -
2 stops8h 55m
Wed 4/79:20 am -
2 stops38h 30m
Deal found 10/25![Multiple Airlines logo]()
$691
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/143:42 pm -
2 stops13h 38m
Mon 12/2111:55 am -
2 stops15h 55m
Deal found 10/26![United Airlines logo]()
$802
Last-minute flights from Boston to PortugalDiscover last-minute flight deals from Boston to Portugal. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Portugal. Data last updated October 26, 2026 and is based on user searches.
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 pm -
1 stop30h 05m
Tue 11/246:30 am -
1 stop12h 15m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$572
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 pm -
Nonstop4h 55m
Sun 11/155:50 pm -
Nonstop6h 10m
Deal found 10/24![Azores Airlines logo]()
$575
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:50 pm -
Nonstop6h 45m
Tue 11/175:45 pm -
Nonstop7h 45m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/910:10 pm -
1 stop16h 25m
Tue 11/247:25 pm -
1 stop23h 15m
Deal found 10/26![TAP AIR PORTUGAL logo]()
$587
This Booking.com deal was found by Cheapflights users on 10/25. 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 11/109:25 pm -
Nonstop4h 55m
Sun 11/155:50 pm -
Nonstop6h 10m
Deal found 10/25![Azores Airlines logo]()
$573
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:25 pm -
Nonstop4h 55m
Mon 11/235:50 pm -
Nonstop6h 10m
Deal found 10/21![Azores Airlines logo]()
$578
This Booking.com deal was found by Cheapflights users on 10/25. 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.
Fri 11/139:25 pm -
1 stop13h 55m
Wed 11/186:45 pm -
1 stop29h 15m
Deal found 10/25![Multiple Airlines logo]()
$584
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 pm -
1 stop10h 20m
Thu 12/36:30 am -
1 stop17h 45m
Deal found 10/23![TAP AIR PORTUGAL logo]()
$581
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:25 pm -
2 stops15h 40m
Sun 11/295:50 pm -
1 stop30h 10m
Deal found 10/23![Multiple Airlines logo]()
$585
This Booking.com deal was found by Cheapflights users on 10/26. 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.
Mon 11/239:25 pm -
2 stops29h 35m
Mon 11/307:30 am -
2 stops40h 30m
Deal found 10/26![Multiple Airlines logo]()
$313
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:25 pm -
Nonstop4h 55m
Tue 12/15:50 pm -
Nonstop6h 10m
Deal found 10/23![Azores Airlines logo]()
$562
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:25 pm -
1 stop12h 45m
Mon 11/305:50 pm -
Nonstop6h 10m
Deal found 10/23![Multiple Airlines logo]()
$574
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 October 26, 2026.
Search for one-way flight options from Boston to Portugal. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Mytrip deal was found by Cheapflights users on 10/25. 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 11/1010:45 pm -
Nonstop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![TAP AIR PORTUGAL logo]()
$213
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:10 pm -
1 stop13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$232
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:10 pm -
1 stop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![TAP AIR PORTUGAL logo]()
$238
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/206:00 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/1610:10 pm -
2 stops19h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$260
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 pm -
1 stop30h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![TAP AIR PORTUGAL logo]()
$262
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:10 pm -
1 stop21h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![TAP AIR PORTUGAL logo]()
$266
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3010:10 pm -
2 stops30h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$269
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:10 pm -
1 stop30h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![TAP AIR PORTUGAL logo]()
$272
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 pm -
1 stop25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![TAP AIR PORTUGAL logo]()
$273
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:00 pm -
1 stop10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![TAP AIR PORTUGAL logo]()
$277
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:25 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Azores Airlines logo]()
$277
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 October 26, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $561 (Cheapflightsfares) |
One-way from | $213 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $817 |
Good round-trip deal | $645 or less |
Good one-way deal | $322 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 7,457,451 searches. Data last updated October 26, 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
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Mon 11/30
10:10 pm-7:00 pm
1 stop15h 50m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$238
BostonPorto
BOS Boston Logan Intl - OPO Porto
BOSOPO
Boston Logan Intl
Mon 11/30
10:10 pm-9:35 am
2 stops30h 25m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$269
BostonPonta Delgada
BOS Boston Logan Intl - PDL Ponta Delgada Nordela
BOSPDL
Boston Logan Intl
Sat 11/28
6:00 pm-6:35 pm
1 stop20h 35m
Ponta Delgada Nordela
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$283
BostonLajes
BOS Boston Logan Intl - TER Lajes
BOSTER
Boston Logan Intl
Sun 11/8
10:50 pm-2:05 pm
1 stop11h 15m
Lajes
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$294
BostonLajes
BOS Boston Logan Intl - TER Lajes
BOSTER
Boston Logan Intl
Sat 11/14
6:00 pm-11:00 am
1 stop13h 00m
Lajes
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$298
Quickest round-trip
BostonPonta Delgada
BOS Boston Logan Intl - PDL Ponta Delgada Nordela
BOSPDL
Boston Logan Intl
Fri 10/30
10:25 pm-6:20 am
Nonstop4h 55m
Ponta Delgada Nordela
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$308
BostonPonta Delgada
BOS Boston Logan Intl - PDL Ponta Delgada Nordela
BOSPDL
Boston Logan Intl
Sat 11/28
9:25 pm-6:20 am
Nonstop4h 55m
Ponta Delgada Nordela
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$308
BostonHorta
BOS Boston Logan Intl - HOR Horta
BOSHOR
Boston Logan Intl
Thu 3/11
9:25 pm-11:15 am
1 stop9h 50m
Horta
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$313
BostonPico Island
BOS Boston Logan Intl - PIX Pico Island
BOSPIX
Boston Logan Intl
Thu 3/11
9:25 pm-4:05 pm
1 stop14h 40m
Pico Island
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$313
BostonLajes
BOS Boston Logan Intl - TER Lajes
BOSTER
Boston Logan Intl
Thu 3/11
9:25 pm-9:20 am
1 stop7h 55m
Lajes
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$313
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-SMA
BOS-TER
BOS-PDL
BOS-OPO
BOS-HOR
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-SMA
BOS-TER
BOS-PDL
BOS-OPO
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 $636). Flying from Boston to Portugal in July is currently the most expensive (average of $1,057). 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 October 26, 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 October 26, 2026.
The most flights from BOS to PT0 are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
How often are flights from Boston to Portugal delayed?
About 21% of weekly flights between Boston and Portugal have experienced delays in the past year, with the average delay time being 143 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?
Monday 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 13% 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 63 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 October 26, 2026.
Peruse reviews from past customers who have flown with Delta,Air France, andVirgin Atlantic 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.
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodCidalia,Aug 2023
BOS - MIA
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
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 October 26, 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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$880 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$351 | Average$746 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$360 | Average$589 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$370 | Average$566 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$375 | Average$736 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$375 | Average$716 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$752 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$387 | Average$696 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$394 | Average$793 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$394 | Average$935 | FlexibilityNo cancel fee | On-timeN/A |