$387+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — BOS
Jun 10 — Jun 171
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 50 days in advance, depart on a Tuesday or Friday and return on a Wednesday
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 May 11, 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 May 11, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Thu 5/1412:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Sat 5/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 5/6![Virgin Atlantic logo]()
$544
This Expedia deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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.
Mon 6/2212:45 pm
LIS
- BOS
Nonstop7h 29m
KLM
Mon 6/2911:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Deal found 5/8![KLM logo]()
$545
This Virgin Atlantic deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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.
Fri 5/1512:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Sat 5/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 5/8![Virgin Atlantic logo]()
$547
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Mon 5/256:50 pm
BOS
- LIS
1 stop11h 05m
Delta
Deal found 5/8![Delta logo]()
$548
This Trip.com deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Wed 6/35:00 am
LIS
- BOS
1 stop13h 05m
KLM
Thu 6/1811:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Deal found 5/6![KLM logo]()
$550
This KLM deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:00 am
LIS
- BOS
1 stop17h 36m
Multiple Airlines
Mon 10/55:10 pm
BOS
- LIS
1 stop13h 05m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$552
This Iberia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 10/82:00 pm
LIS
- BOS
1 stop12h 05m
Iberia
Thu 10/2210:55 pm
BOS
- LIS
1 stop17h 35m
Iberia
Deal found 5/7![Iberia logo]()
$553
This KLM deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/111:55 am
LIS
- BOS
1 stop11h 35m
KLM
Mon 6/1511:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Deal found 5/10![KLM logo]()
$559
This Iberia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Wed 10/77:10 pm
LIS
- BOS
1 stop30h 55m
Iberia
Wed 10/2110:55 pm
BOS
- LIS
1 stop14h 30m
Iberia
Deal found 5/7![Iberia logo]()
$562
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 May 11, 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 May 11, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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.
Sat 5/3012:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Mon 6/811:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 5/6![Virgin Atlantic logo]()
$544
This KLM deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 6/612:45 pm
LIS
- BOS
Nonstop7h 29m
KLM
Fri 6/1211:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Deal found 5/9![KLM logo]()
$546
This KLM deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/68:55 am
LIS
- BOS
1 stop12h 40m
Multiple Airlines
Sat 6/1310:00 pm
BOS
- LIS
1 stop11h 55m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:05 am
LIS
- BOS
2 stops16h 33m
United Airlines
Sun 6/77:30 am
BOS
- LIS
1 stop19h 50m
United Airlines
Deal found 5/7![United Airlines logo]()
$770
This KLM deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:45 pm
LIS
- BOS
Nonstop7h 30m
KLM
Mon 6/2211:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Deal found 5/9![KLM logo]()
$546
This Virgin Atlantic deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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.
Sat 6/612:45 pm
LIS
- BOS
Nonstop7h 29m
Virgin Atlantic
Thu 6/1111:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 5/8![Virgin Atlantic logo]()
$547
This KLM deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:45 pm
LIS
- BOS
Nonstop7h 30m
KLM
Mon 6/18:25 pm
BOS
- LIS
1 stop13h 10m
KLM
Deal found 5/10![KLM logo]()
$548
This KLM deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 5/315:35 am
LIS
- BOS
1 stop14h 20m
Multiple Airlines
Mon 6/2211:25 pm
BOS
- LIS
Nonstop6h 20m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$769
This United Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:05 am
LIS
- BOS
2 stops23h 54m
United Airlines
Tue 6/22:15 pm
BOS
- LIS
2 stops13h 05m
United Airlines
Deal found 5/10![United Airlines logo]()
$790
This KLM deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 5/3112:45 pm
LIS
- BOS
Nonstop7h 30m
KLM
Mon 6/2211:25 pm
BOS
- LIS
Nonstop6h 20m
KLM
Deal found 5/9![KLM logo]()
$688
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 5/2112:20 pm
LIS
- BOS
2 stops14h 33m
United Airlines
Mon 5/2511:00 am
BOS
- LIS
1 stop16h 20m
United Airlines
Deal found 5/7![United Airlines logo]()
$798
Last-minute flights from Lisbon to BostonDiscover last-minute flight deals from Lisbon to Boston. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Lisbon to Boston. Data last updated May 11, 2026 and is based on user searches.
This Virgin Atlantic deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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.
Fri 5/1512:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Sat 5/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 5/8![Virgin Atlantic logo]()
$547
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:00 am
LIS
- BOS
1 stop14h 03m
Delta
Tue 5/1911:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Deal found 5/7![Delta logo]()
$699
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:25 am
LIS
- BOS
1 stop11h 42m
Air Canada
Fri 5/226:50 pm
BOS
- LIS
1 stop9h 30m
Air Canada
Deal found 5/7![Air Canada logo]()
$710
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:00 am
LIS
- BOS
1 stop14h 03m
Delta
Fri 5/2211:25 pm
BOS
- LIS
Nonstop6h 20m
Delta
Deal found 5/7![Delta logo]()
$714
This deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:25 am
LIS
- BOS
1 stop11h 42m
Air Canada
Sat 5/166:50 pm
BOS
- LIS
1 stop9h 30m
Air Canada
Deal found 5/7![Air Canada logo]()
$730
This Virgin Atlantic deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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.
Sat 5/1612:45 pm
LIS
- BOS
Nonstop7h 30m
Virgin Atlantic
Sat 5/2311:25 pm
BOS
- LIS
Nonstop6h 20m
Virgin Atlantic
Deal found 5/8![Virgin Atlantic logo]()
$546
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:00 am
LIS
- BOS
1 stop13h 16m
Delta
Sat 5/231:29 pm
BOS
- LIS
1 stop13h 31m
Delta
Deal found 5/9![Delta logo]()
$652
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:45 pm
LIS
- BOS
Nonstop7h 30m
Delta
Mon 5/256:50 pm
BOS
- LIS
1 stop11h 05m
Delta
Deal found 5/8![Delta logo]()
$548
This Iberia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Wed 5/209:15 pm
LIS
- BOS
1 stop28h 50m
Iberia
Sun 9/2711:35 pm
BOS
- LIS
1 stop27h 55m
Iberia
Deal found 5/7![Iberia logo]()
$650
This Iberia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Wed 5/209:15 pm
LIS
- BOS
1 stop28h 50m
Iberia
Wed 9/2310:55 pm
BOS
- LIS
1 stop14h 30m
Iberia
Deal found 5/7![Iberia logo]()
$665
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 May 11, 2026.
Search for one-way flight options from Lisbon to Boston. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Iberia deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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.
Wed 8/59:10 am
LIS
- BOS
1 stop16h 55m
Iberia
Deal found 5/5![Iberia logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/136:10 am
LIS
- BOS
2 stops14h 50m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/116:10 am
LIS
- BOS
3 stops18h 31m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/96:15 am
LIS
- BOS
2 stops17h 50m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$402
This Iberia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Wed 7/292:00 pm
LIS
- BOS
1 stop12h 05m
Iberia
Deal found 5/7![Iberia logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” 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 6/76:10 am
LIS
- BOS
2 stops37h 31m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$407
This Cheapflightsfares deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” 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 5/198:45 am
LIS
- BOS
1 stop16h 05m
Azores Airlines
Deal found 5/6![Azores Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 6/226:15 am
LIS
- BOS
2 stops37h 26m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 6/66:10 am
LIS
- BOS
2 stops37h 31m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” 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 6/256:10 am
LIS
- BOS
2 stops16h 25m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$412
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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $544 (Virgin Atlantic) |
One-way from | $387 (Iberia) |
Popular in | July |
Cheapest in | March |
Average price | $668 |
Good round-trip deal | $546 or less |
Good one-way deal | $621 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 May 11, 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
Sat 5/30
12:45 pm-3:15 pm
Nonstop7h 30m
Boston Logan Intl
Mon 6/8
11:25 pm-10:45 am
Nonstop6h 20m
$544
Quickest round-trip
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Sat 6/6
12:45 pm-3:14 pm
Nonstop7h 29m
Boston Logan Intl
Fri 6/12
11:25 pm-10:45 am
Nonstop6h 20m
$546
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Fri 5/29
12:45 pm-3:15 pm
Nonstop7h 30m
Boston Logan Intl
Mon 6/22
11:25 pm-10:45 am
Nonstop6h 20m
$546
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Sat 6/6
12:45 pm-3:14 pm
Nonstop7h 29m
Boston Logan Intl
Thu 6/11
11:25 pm-10:45 am
Nonstop6h 20m
$547
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Mon 5/25
12:45 pm-3:15 pm
Nonstop7h 30m
Boston Logan Intl
Mon 6/1
8:25 pm-2:35 pm
1 stop13h 10m
$548
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Sun 5/31
12:45 pm-3:15 pm
Nonstop7h 30m
Boston Logan Intl
Mon 6/22
11:25 pm-10:45 am
Nonstop6h 20m
$688
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Sat 6/6
8:55 am-4:35 pm
1 stop12h 40m
Boston Logan Intl
Sat 6/13
10:00 pm-2:55 pm
1 stop11h 55m
$758
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Sun 5/31
5:35 am-2:55 pm
1 stop14h 20m
Boston Logan Intl
Mon 6/22
11:25 pm-10:45 am
Nonstop6h 20m
$769
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Wed 6/3
5:05 am-4:38 pm
2 stops16h 33m
Boston Logan Intl
Sun 6/7
7:30 am-8:20 am
1 stop19h 50m
$770
LisbonBoston
LIS - BOS
LISBOS
Lisbon Humberto Delgado
Mon 5/25
5:05 am-11:59 pm
2 stops23h 54m
Boston Logan Intl
Tue 6/2
2:15 pm-8:20 am
2 stops13h 05m
$790
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| 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 49 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 $603). Flying from Lisbon to Boston in July is currently the most expensive (average of $884). 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 May 11, 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 24% of weekly flights between Lisbon and Boston have experienced delays in the past year, with the average delay time being 132 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 Saturday 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 19% 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 May 11, 2026.
Read reviews from past customers who have flown Delta,KLM, 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.
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Chelsea
Peabody
Seabrook
York Beach
Warwick
Londonderry
Cranston
Swansea
Old Orchard Beach
Auburn
Quincy
Lowell
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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 May 11, 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 May 11, 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 May 11, 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$516 | Average$729 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$526 | Average$715 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$537 | Average$799 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$693 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$544 | Average$701 | FlexibilityNo cancel fee | On-time72% |