$513+ Cheap flights from Lisbon (LIS) to Boston (BOS)
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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BOS
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Lisbon to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Boston Logan Intl are usually found in October or March, booked 52 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from Lisbon to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Lisbon to BostonExplore the most affordable flight options available from Lisbon to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Lisbon to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This Finnair deal was found by Cheapflights users on 9/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 am -
1 stop16h 55m
Fri 11/277:15 pm -
1 stop11h 50m
Deal found 9/24![Multiple Airlines logo]()
$513
This Justfly.com deal was found by Cheapflights users on 9/22. 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.
Mon 12/285:00 pm -
Nonstop7h 55m
Tue 1/56:00 pm -
Nonstop6h 35m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$514
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am -
1 stop16h 10m
Sun 11/87:15 pm -
1 stop11h 50m
Deal found 9/23![American Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:30 am -
1 stop16h 55m
Thu 12/37:15 pm -
1 stop17h 50m
Deal found 9/20![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:20 am -
1 stop15h 05m
Tue 1/126:45 pm -
1 stop12h 20m
Deal found 9/23![American Airlines logo]()
$517
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/22. 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 11/25:00 pm -
Nonstop7h 55m
Sun 11/810:10 pm -
Nonstop6h 35m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
2 stops15h 27m
Sun 11/157:15 pm -
1 stop21h 30m
Deal found 9/21![American Airlines logo]()
$521
This FlightHub deal was found by Cheapflights users on 9/22. 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.
Tue 12/2911:40 am -
1 stop11h 10m
Wed 1/67:50 pm -
1 stop12h 00m
Deal found 9/22![Icelandair logo]()
$522
This Iberia deal was found by Cheapflights users on 9/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:25 am -
1 stop16h 25m
Thu 10/298:15 pm -
1 stop19h 50m
Deal found 9/22![Iberia logo]()
$523
This Iberia deal was found by Cheapflights users on 9/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:30 pm -
1 stop11h 40m
Fri 10/308:35 pm -
1 stop19h 30m
Deal found 9/21![Iberia logo]()
$524
This Booking.com deal was found by Cheapflights users on 9/23. 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.
Sat 11/711:55 am -
Nonstop8h 00m
Sat 11/1410:10 pm -
Nonstop6h 35m
Deal found 9/23![TAP AIR PORTUGAL logo]()
$525
Best flights from Lisbon to BostonDiscover carefully curated flight deals from Lisbon to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Lisbon to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This Finnair deal was found by Cheapflights users on 9/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:30 am -
1 stop16h 55m
Sat 11/287:15 pm -
1 stop11h 50m
Deal found 9/20![Multiple Airlines logo]()
$515
This British Airways deal was found by Cheapflights users on 9/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:55 pm -
2 stops15h 49m
Sun 11/159:30 pm -
1 stop19h 15m
Deal found 9/24![British Airways logo]()
$520
This Finnair deal was found by Cheapflights users on 9/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
2 stops22h 14m
Sun 11/158:00 pm -
1 stop22h 25m
Deal found 9/22![Finnair logo]()
$537
This Delta deal was found by Cheapflights users on 9/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:00 am -
1 stop14h 13m
Thu 11/129:35 pm -
Nonstop6h 20m
Deal found 9/24![Delta logo]()
$555
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:30 pm -
1 stop26h 00m
Sat 11/2810:10 pm -
Nonstop6h 35m
Deal found 9/20![TAP AIR PORTUGAL logo]()
$668
This Turkish Airlines deal was found by Cheapflights users on 9/21. 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.
Sun 11/225:55 am -
1 stop17h 10m
Thu 11/268:00 pm -
1 stop22h 25m
Deal found 9/21![Turkish Airlines logo]()
$735
This British Airways deal was found by Cheapflights users on 9/24. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2112:55 pm -
2 stops15h 52m
Sat 11/289:30 pm -
1 stop20h 00m
Deal found 9/24![British Airways logo]()
$520
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:40 am -
1 stop14h 25m
Thu 11/267:15 pm -
1 stop11h 50m
Deal found 9/21![British Airways logo]()
$536
This British Airways deal was found by Cheapflights users on 9/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2610:40 am -
1 stop12h 34m
Thu 1/79:25 pm -
1 stop15h 40m
Deal found 9/22![British Airways logo]()
$537
This KLM deal was found by Cheapflights users on 9/21. 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.
Sat 11/215:30 am -
1 stop13h 59m
Wed 11/259:40 pm -
Nonstop6h 20m
Deal found 9/21![Multiple Airlines logo]()
$792
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:00 am -
1 stop16h 36m
Tue 11/249:40 pm -
Nonstop6h 20m
Deal found 9/22![Delta logo]()
$804
Last-minute flights from Lisbon to BostonDiscover last-minute flight deals from Lisbon to Boston. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to Boston. Data last updated September 25, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:20 am -
2 stops21h 08m
Tue 10/274:59 pm -
2 stops15h 06m
Deal found 9/21![British Airways logo]()
$561
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:25 am -
1 stop16h 25m
Mon 10/128:05 pm -
1 stop14h 40m
Deal found 9/23![Multiple Airlines logo]()
$515
This Iberia deal was found by Cheapflights users on 9/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:35 am -
1 stop18h 15m
Mon 10/129:20 pm -
1 stop17h 45m
Deal found 9/24![Iberia logo]()
$522
This Travelocity deal was found by Cheapflights users on 9/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:45 pm -
1 stop24h 25m
Thu 10/298:15 pm -
1 stop19h 50m
Deal found 9/22![Iberia logo]()
$535
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:45 pm -
1 stop22h 55m
Sun 10/118:05 pm -
1 stop22h 00m
Deal found 9/21![British Airways logo]()
$546
This Iberia deal was found by Cheapflights users on 9/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:35 am -
1 stop18h 15m
Wed 10/149:25 pm -
1 stop30h 40m
Deal found 9/24![Iberia logo]()
$560
This Air France deal was found by Cheapflights users on 9/21. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:55 am -
1 stop11h 35m
Sat 10/3110:40 pm -
Nonstop6h 20m
Deal found 9/21![Multiple Airlines logo]()
$545
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:45 pm -
1 stop28h 05m
Wed 10/215:28 pm -
2 stops13h 22m
Deal found 9/22![Iberia logo]()
$533
This Iberia deal was found by Cheapflights users on 9/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:35 am -
1 stop18h 15m
Sat 11/2811:48 am -
2 stops19h 02m
Deal found 9/24![Iberia logo]()
$555
This British Airways deal was found by Cheapflights users on 9/23. 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.
Tue 10/206:45 pm -
2 stops31h 00m
Fri 1/86:45 pm -
1 stop18h 10m
Deal found 9/23![British Airways logo]()
$557
This Iberia deal was found by Cheapflights users on 9/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:25 am -
1 stop16h 25m
Thu 10/298:15 pm -
1 stop19h 50m
Deal found 9/22![Iberia logo]()
$523
This Iberia deal was found by Cheapflights users on 9/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:30 pm -
1 stop11h 40m
Fri 10/308:35 pm -
1 stop19h 30m
Deal found 9/21![Iberia logo]()
$524
One-way flights from Lisbon to BostonSearch for one-way flight options from Lisbon to Boston. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from Lisbon to Boston. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sun 12/208:15 pm -
3 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$527
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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.
Sun 11/85:00 pm -
Nonstop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![TAP AIR PORTUGAL logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/227:45 am -
2 stops17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/85:55 am -
2 stops20h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$536
This Ovago deal was found by Cheapflights users on 9/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am -
1 stop18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Azores Airlines logo]()
$538
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/23. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:30 am -
Nonstop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![TAP AIR PORTUGAL logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:35 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Azores Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Thu 10/82:00 pm -
1 stop12h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![LEVEL logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:50 pm -
3 stops23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/17:05 am -
2 stops37h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm -
1 stop29h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Azores Airlines logo]()
$549
Find flight deals from Lisbon to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $513 (Finnair) |
Popular in | July |
Cheapest in | October |
Average price | $641 |
Good round-trip deal | $569 or less |
Good one-way deal | $580 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Lisbon to Boston 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 September 25, 2026.
Use the filters below to find and compare flights from Lisbon to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Sat 11/21
6:30 am-6:25 pm
1 stop16h 55m
Boston Logan Intl
Sat 11/28
7:15 pm-12:05 pm
1 stop11h 50m
$515
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Tue 11/10
12:55 pm-11:44 pm
2 stops15h 49m
Boston Logan Intl
Sun 11/15
9:30 pm-9:45 pm
1 stop19h 15m
$520
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Sat 11/21
12:55 pm-11:47 pm
2 stops15h 52m
Boston Logan Intl
Sat 11/28
9:30 pm-10:30 pm
1 stop20h 00m
$520
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Sat 11/21
10:40 am-8:05 pm
1 stop14h 25m
Boston Logan Intl
Thu 11/26
7:15 pm-12:05 pm
1 stop11h 50m
$536
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Thu 11/5
6:30 am-11:44 pm
2 stops22h 14m
Boston Logan Intl
Sun 11/15
8:00 pm-11:25 pm
1 stop22h 25m
$537
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Sat 12/26
10:40 am-6:14 pm
1 stop12h 34m
Boston Logan Intl
Thu 1/7
9:25 pm-6:05 pm
1 stop15h 40m
$537
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Fri 12/18
11:40 am-2:40 pm
Nonstop8h 00m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$540
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Fri 11/27
11:40 am-2:40 pm
Nonstop8h 00m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$541
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Fri 11/6
5:00 am-2:13 pm
1 stop14h 13m
Boston Logan Intl
Thu 11/12
9:35 pm-8:55 am
Nonstop6h 20m
$555
LisbonBoston
LIS Lisbon Humberto Delgado - BOS Boston Logan Intl
LISBOS
Lisbon Humberto Delgado
Fri 1/8
5:15 pm-8:15 pm
Nonstop8h 00m
Boston Logan Intl
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$575
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Lisbon to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Lisbon-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lisbon-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lisbon-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Lisbon-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Lisbon to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Lisbon with our price prediction graph.
LIS-BOS
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 Lisbon to Boston
Prices
Airlines
Delays
How far ahead should I book a flight from Lisbon to Boston?
The best time to book flights from Lisbon to Boston is 51 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.
What is the cheapest month to book a flight from Lisbon to Boston?
Currently, October is the cheapest month in which you can book a flight from Lisbon to Boston (average of $613). Flying from Lisbon to Boston in July is currently the most expensive (average of $930). 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 LIS to BOS?
Find hourly flight availability from Lisbon to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2026.
When flying from Lisbon to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Lisbon to Boston delayed?
About 19% of weekly flights between Lisbon and Boston have experienced delays in the past year, with the average delay time being 125 minutes.
What is the most punctual flight time for Lisbon to Boston flights?
Historically, flights departing in the early afternoon 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to Boston flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 16% of flights being delayed.
The best insider tips for Lisbon to Boston 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 Lisbon to Boston trip
Our travel experts
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 25, 2026.
Read reviews from past customers who have flown KLM,Delta, andAir France from Lisbon to Boston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.2
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Entertainment
7.2
Boarding
7.8
Food
7.3
Crew
8.4
Overall
7.8
Comfort
7.7
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Lisbon to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Lisbon to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Lisbon to Boston by cabin class
Find flights from Lisbon to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Lisbon and Boston flights
Browse other Lisbon and Boston flight options. Last updated on September 25, 2026.
Other flights from Lisbon
Browse through other flights departing from Lisbon. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Lisbon to Boston
Discover the top 5 airlines that operate flights from Lisbon to Boston. 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 September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$495 | Average$748 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$526 | Average$776 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$542 | Average$766 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$544 | Average$747 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$544 | Average$764 | FlexibilityNo cancel fee | On-timeN/A |