$503+ Cheap flights from Lisbon (LIS) to Boston (BOS)
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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BOS
Jul 27 — Aug 31
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 March or November, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Monday
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 June 27, 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 June 27, 2026.
This British Airways deal was found by Cheapflights users on 6/25. 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.
Sat 11/2111:05 am
LIS
- BOS
2 stops16h 41m
British Airways
Mon 11/307:15 pm
BOS
- LIS
1 stop14h 40m
British Airways
Deal found 6/25![British Airways logo]()
$539
This British Airways deal was found by Cheapflights users on 6/23. 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 11/1210:40 am
LIS
- BOS
2 stops17h 06m
British Airways
Mon 11/167:19 pm
BOS
- LIS
2 stops14h 36m
British Airways
Deal found 6/23![British Airways logo]()
$541
This LEVEL deal was found by Cheapflights users on 6/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:15 pm
LIS
- BOS
1 stop29h 30m
LEVEL
Wed 8/1910:55 pm
BOS
- LIS
1 stop14h 30m
LEVEL
Deal found 6/25![LEVEL logo]()
$543
This British Airways deal was found by Cheapflights users on 6/24. 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 10/37:10 am
LIS
- BOS
1 stop17h 55m
British Airways
Fri 10/305:04 pm
BOS
- LIS
1 stop12h 01m
British Airways
Deal found 6/24![British Airways logo]()
$544
This LEVEL deal was found by Cheapflights users on 6/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:15 pm
LIS
- BOS
1 stop28h 50m
LEVEL
Thu 9/2410:55 pm
BOS
- LIS
1 stop13h 15m
LEVEL
Deal found 6/25![LEVEL logo]()
$545
This Priceline deal was found by Cheapflights users on 6/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:35 am
LIS
- BOS
1 stop18h 15m
Iberia
Sun 10/1811:35 pm
BOS
- LIS
2 stops15h 30m
Iberia
Deal found 6/26![Iberia logo]()
$547
This Iberia deal was found by Cheapflights users on 6/24. 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.
Mon 10/512:30 pm
LIS
- BOS
1 stop12h 15m
Iberia
Sun 11/19:30 pm
BOS
- LIS
1 stop15h 35m
Iberia
Deal found 6/24![Iberia logo]()
$556
This LEVEL deal was found by Cheapflights users on 6/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:15 pm
LIS
- BOS
1 stop29h 30m
LEVEL
Wed 8/1210:55 pm
BOS
- LIS
1 stop13h 15m
LEVEL
Deal found 6/25![LEVEL logo]()
$560
This Iberia deal was found by Cheapflights users on 6/24. 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 10/68:45 pm
LIS
- BOS
2 stops25h 30m
Iberia
Sun 11/19:30 pm
BOS
- LIS
1 stop15h 35m
Iberia
Deal found 6/24![Iberia logo]()
$562
This LEVEL deal was found by Cheapflights users on 6/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:10 pm
LIS
- BOS
1 stop30h 55m
LEVEL
Thu 7/2311:35 pm
BOS
- LIS
1 stop16h 00m
LEVEL
Deal found 6/25![LEVEL logo]()
$567
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 June 27, 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 June 27, 2026.
This LEVEL deal was found by Cheapflights users on 6/22. 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.
Wed 9/307:10 pm
LIS
- BOS
1 stop30h 55m
LEVEL
Wed 10/1410:55 pm
BOS
- LIS
1 stop13h 15m
LEVEL
Deal found 6/22![LEVEL logo]()
$543
This Delta deal was found by Cheapflights users on 6/23. 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 11/255:00 am
LIS
- BOS
1 stop13h 25m
Delta
Tue 12/299:35 pm
BOS
- LIS
Nonstop6h 25m
Delta
Deal found 6/23![Delta logo]()
$598
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:45 pm
LIS
- BOS
Nonstop7h 25m
Virgin Atlantic
Mon 7/209:05 am
BOS
- LIS
1 stop17h 55m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$644
This British Airways deal was found by Cheapflights users on 6/24. 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.
Fri 9/411:05 am
LIS
- BOS
1 stop16h 45m
British Airways
Fri 9/119:50 pm
BOS
- LIS
1 stop15h 10m
British Airways
Deal found 6/24![British Airways logo]()
$695
This Finnair deal was found by Cheapflights users on 6/24. 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.
Mon 12/216:30 am
LIS
- BOS
2 stops20h 28m
Finnair
Mon 12/283:55 pm
BOS
- LIS
2 stops26h 30m
Finnair
Deal found 6/24![Finnair logo]()
$739
This LEVEL deal was found by Cheapflights users on 6/23. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:10 am
LIS
- BOS
1 stop17h 35m
LEVEL
Thu 7/1611:35 pm
BOS
- LIS
1 stop27h 55m
LEVEL
Deal found 6/23![LEVEL logo]()
$638
This Delta deal was found by Cheapflights users on 6/22. 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.
Fri 9/115:00 am
LIS
- BOS
1 stop13h 19m
Delta
Tue 9/2211:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Deal found 6/22![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 6/22. 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.
Thu 9/105:00 am
LIS
- BOS
1 stop13h 19m
Delta
Tue 9/1511:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Deal found 6/22![Delta logo]()
$687
This Delta deal was found by Cheapflights users on 6/24. 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 9/412:45 pm
LIS
- BOS
Nonstop7h 35m
Delta
Sat 9/1211:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Deal found 6/24![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:45 pm
LIS
- BOS
Nonstop7h 35m
Delta
Sat 9/2611:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Deal found 6/26![Delta logo]()
$734
Last-minute flights from Lisbon to BostonDiscover last-minute flight deals from Lisbon to Boston. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to Boston. Data last updated June 27, 2026 and is based on user searches.
This LEVEL deal was found by Cheapflights users on 6/22. 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.
Thu 7/92:00 pm
LIS
- BOS
1 stop12h 45m
LEVEL
Sun 7/1211:35 pm
BOS
- LIS
1 stop16h 00m
LEVEL
Deal found 6/22![LEVEL logo]()
$623
This LEVEL deal was found by Cheapflights users on 6/23. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:10 am
LIS
- BOS
1 stop17h 35m
LEVEL
Thu 7/1611:35 pm
BOS
- LIS
1 stop27h 55m
LEVEL
Deal found 6/23![LEVEL logo]()
$637
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1212:45 pm
LIS
- BOS
Nonstop7h 25m
Virgin Atlantic
Mon 7/209:05 am
BOS
- LIS
1 stop17h 55m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$644
This LEVEL deal was found by Cheapflights users on 6/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:10 pm
LIS
- BOS
1 stop30h 55m
LEVEL
Thu 7/2311:35 pm
BOS
- LIS
1 stop16h 00m
LEVEL
Deal found 6/25![LEVEL logo]()
$567
This Mytrip deal was found by Cheapflights users on 6/25. 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 7/148:05 pm
LIS
- BOS
3 stops28h 50m
Multiple Airlines
Thu 7/2310:00 pm
BOS
- LIS
2 stops18h 30m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$714
This Mytrip deal was found by Cheapflights users on 6/23. 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.
Tue 7/212:00 pm
LIS
- BOS
2 stops28h 50m
Multiple Airlines
Tue 7/288:05 pm
BOS
- LIS
2 stops22h 35m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$660
This LEVEL deal was found by Cheapflights users on 6/25. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:15 pm
LIS
- BOS
1 stop29h 30m
LEVEL
Wed 8/1910:55 pm
BOS
- LIS
1 stop14h 30m
LEVEL
Deal found 6/25![LEVEL logo]()
$543
This Mytrip deal was found by Cheapflights users on 6/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:10 am
LIS
- BOS
2 stops35h 00m
Multiple Airlines
Wed 7/295:45 pm
BOS
- LIS
2 stops19h 40m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$728
This Iberia deal was found by Cheapflights users on 6/24. 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 7/239:10 am
LIS
- BOS
1 stop17h 35m
Iberia
Thu 7/305:40 pm
BOS
- LIS
1 stop17h 25m
Iberia
Deal found 6/24![Iberia logo]()
$641
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 June 27, 2026.
Search for one-way flight options from Lisbon to Boston. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sat 8/229:15 pm
LIS
- BOS
3 stops28h 40m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 9/249:15 pm
LIS
- BOS
3 stops22h 40m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:15 pm
LIS
- BOS
3 stops23h 25m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:15 am
LIS
- BOS
2 stops37h 39m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:20 am
LIS
- BOS
2 stops21h 08m
American Airlines
Deal found 6/26![American Airlines logo]()
$510
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:00 pm
LIS
- BOS
Nonstop7h 45m
TAP AIR PORTUGAL
Deal found 6/24![TAP AIR PORTUGAL logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:45 am
LIS
- BOS
1 stop16h 05m
Azores Airlines
Deal found 6/25![Azores Airlines logo]()
$514
This Iberia deal was found by Cheapflights users on 6/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:30 pm
LIS
- BOS
2 stops14h 49m
Iberia
Deal found 6/25![Iberia logo]()
$516
This MaxMilhas deal was found by Cheapflights users on 6/25. 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 MaxMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 am
LIS
- BOS
1 stop16h 05m
Azores Airlines
Deal found 6/25![Azores Airlines logo]()
$517
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 June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $539 (British Airways) |
One-way from | $503 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
Average price | $832 |
Good round-trip deal | $718 or less |
Good one-way deal | $656 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 2,558,603 searches. Data last updated June 27, 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 - BOS
LISBOS
Lisbon Humberto Delgado
Wed 9/30
7:10 pm-9:05 pm
1 stop30h 55m
Boston Logan Intl
Wed 10/14
10:55 pm-5:10 pm
1 stop13h 15m
$543
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Wed 11/25
5:00 am-1:25 pm
1 stop13h 25m
Boston Logan Intl
Tue 12/29
9:35 pm-9:00 am
Nonstop6h 25m
$598
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Thu 7/9
9:10 am-9:45 pm
1 stop17h 35m
Boston Logan Intl
Thu 7/16
11:35 pm-8:30 am
1 stop27h 55m
$638
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Sun 7/12
12:45 pm-3:10 pm
Nonstop7h 25m
Boston Logan Intl
Mon 7/20
9:05 am-8:00 am
1 stop17h 55m
$644
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Fri 9/11
5:00 am-1:19 pm
1 stop13h 19m
Boston Logan Intl
Tue 9/22
11:25 pm-10:45 am
Nonstop6h 20m
$687
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Thu 9/10
5:00 am-1:19 pm
1 stop13h 19m
Boston Logan Intl
Tue 9/15
11:25 pm-10:45 am
Nonstop6h 20m
$687
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Fri 9/4
11:05 am-10:50 pm
1 stop16h 45m
Boston Logan Intl
Fri 9/11
9:50 pm-6:00 pm
1 stop15h 10m
$695
Quickest round-trip
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Fri 9/4
12:45 pm-3:20 pm
Nonstop7h 35m
Boston Logan Intl
Sat 9/12
11:25 pm-10:45 am
Nonstop6h 20m
$696
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Thu 9/17
12:45 pm-3:20 pm
Nonstop7h 35m
Boston Logan Intl
Sat 9/26
11:25 pm-10:45 am
Nonstop6h 20m
$734
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Mon 12/21
6:30 am-9:58 pm
2 stops20h 28m
Boston Logan Intl
Mon 12/28
3:55 pm-11:25 pm
2 stops26h 30m
$739
Showing 1-10 of 17 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 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 85 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, March is the cheapest month in which you can book a flight from Lisbon to Boston (average of $609). Flying from Lisbon to Boston in July is currently the most expensive (average of $916). 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 June 27, 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 22% of weekly flights between Lisbon and Boston have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Lisbon to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 18% of flights being delayed.
The best insider tips for Lisbon to Boston flights
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Cheapflights partnered with top experts to bring you the best recommendations for your Lisbon to Boston trip
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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 June 27, 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
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Overall
7.8
Boarding
7.8
Food
7.3
Crew
8.4
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - 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
Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
Fitchburg
York Beach
Chelsea
Londonderry
Dedham
Swansea
Lowell
Smithfield
Braintree
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Alternative routes for Lisbon to Boston
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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 June 27, 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
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Lisbon and Boston flights
Browse other Lisbon and Boston flight options. Last updated on June 27, 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 June 27, 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 2,558,603 searches. Data last updated June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$511 | Average$788 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$526 | Average$684 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$537 | Average$796 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$544 | Average$735 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$544 | Average$697 | FlexibilityNo cancel fee | On-time77% |