$250+ Cheap flights from Boston (BOS) to Portimão, Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FAO
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Portimão 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Portimão
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Best
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Cheapest flights from Boston to PortimãoExplore the most affordable flight options available from Boston to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Boston to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 10/158:50 pm -
2 stops18h 35m
Tue 10/206:45 pm -
1 stop31h 20m
Deal found 8/10![Multiple Airlines logo]()
$630
This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:50 pm -
2 stops18h 15m
Sat 11/146:15 am -
2 stops16h 35m
Deal found 8/10![Multiple Airlines logo]()
$656
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/109:15 pm -
1 stop18h 10m
Thu 9/177:55 pm -
2 stops23h 50m
Deal found 8/13![Multiple Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:00 pm -
1 stop18h 15m
Sun 10/116:10 pm -
2 stops31h 10m
Deal found 8/11![Multiple Airlines logo]()
$690
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:50 pm -
2 stops18h 30m
Tue 10/66:45 pm -
2 stops30h 35m
Deal found 8/11![Multiple Airlines logo]()
$698
This Mytrip deal was found by Cheapflights users on 8/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:40 pm -
2 stops18h 35m
Wed 9/301:15 pm -
2 stops30h 30m
Deal found 8/9![Multiple Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/19:20 pm -
1 stop28h 50m
Thu 10/811:15 pm -
2 stops24h 55m
Deal found 8/8![Multiple Airlines logo]()
$708
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:50 pm -
1 stop32h 45m
Fri 11/68:25 am -
1 stop16h 55m
Deal found 8/11![SWISS logo]()
$710
Best flights from Boston to PortimãoDiscover carefully curated flight deals from Boston to Portimão that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Boston to Portimão that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/128:25 pm -
2 stops33h 55m
Thu 11/121:25 pm -
2 stops37h 34m
Deal found 8/10![United Airlines logo]()
$830
This KLM deal was found by Cheapflights users on 8/12. 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 10/315:25 pm -
2 stops16h 25m
Sun 11/86:50 pm -
2 stops24h 43m
Deal found 8/12![KLM logo]()
$849
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/303:30 pm -
1 stop13h 25m
Tue 9/157:05 pm -
1 stop29h 50m
Deal found 8/13![Multiple Airlines logo]()
$870
This British Airways deal was found by Cheapflights users on 8/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:25 am -
1 stop28h 30m
Sat 10/248:00 pm -
1 stop31h 50m
Deal found 8/8![British Airways logo]()
$884
This oojo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:35 pm -
2 stops14h 45m
Mon 9/2812:10 pm -
2 stops34h 30m
Deal found 8/13![Brussels Airlines logo]()
$904
This British Airways deal was found by Cheapflights users on 8/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:35 pm -
1 stop17h 15m
Sat 10/108:00 pm -
2 stops25h 58m
Deal found 8/10![British Airways logo]()
$897
This KLM deal was found by Cheapflights users on 8/8. 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 9/267:00 pm -
1 stop18h 05m
Sat 10/310:20 am -
1 stop13h 10m
Deal found 8/8![KLM logo]()
$916
This British Airways deal was found by Cheapflights users on 8/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:28 pm -
2 stops14h 37m
Tue 10/1311:30 am -
2 stops16h 55m
Deal found 8/8![British Airways logo]()
$904
Last-minute flights from Boston to PortimãoDiscover last-minute flight deals from Boston to Portimão. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Portimão. Data last updated August 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 8/2011:35 pm -
1 stop18h 10m
Thu 8/271:35 pm -
1 stop13h 10m
Deal found 8/11![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Mon 9/75:25 pm -
1 stop21h 30m
Tue 9/298:20 pm -
2 stops28h 10m
Deal found 8/9![Multiple Airlines logo]()
$734
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/109:15 pm -
1 stop18h 10m
Thu 9/177:55 pm -
2 stops23h 50m
Deal found 8/13![Multiple Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:50 pm -
2 stops18h 30m
Tue 10/66:45 pm -
2 stops30h 35m
Deal found 8/11![Multiple Airlines logo]()
$698
This Mytrip deal was found by Cheapflights users on 8/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:40 pm -
2 stops18h 35m
Wed 9/301:15 pm -
2 stops30h 30m
Deal found 8/9![Multiple Airlines logo]()
$707
This United deal was found by Cheapflights users on 8/9. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:00 pm -
1 stop9h 55m
Wed 12/93:15 pm -
1 stop34h 05m
Deal found 8/9![Multiple Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:00 pm -
1 stop18h 15m
Sun 10/116:10 pm -
2 stops31h 10m
Deal found 8/11![Multiple Airlines logo]()
$690
One-way flights from Boston to PortimãoSearch for one-way flight options from Boston to Portimão. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Boston to Portimão. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:35 pm -
2 stops30h 15m
Deal found 8/11![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/511:00 pm -
2 stops42h 55m
Deal found 8/8![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/178:50 pm -
2 stops16h 55m
Deal found 8/11![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sun 10/1111:35 pm -
1 stop29h 10m
Deal found 8/10![LEVEL logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Sat 10/108:50 pm -
2 stops17h 30m
Deal found 8/10![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/1411:00 pm -
2 stops15h 15m
Deal found 8/13![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Wed 10/1410:55 pm -
1 stop14h 10m
Deal found 8/10![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/2011:35 pm -
1 stop29h 10m
Deal found 8/9![LEVEL logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/810:05 am -
3 stops31h 25m
Deal found 8/13![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/1510:05 am -
2 stops29h 50m
Deal found 8/13![Multiple Airlines logo]()
$339
This Mytrip deal was found by Cheapflights users on 8/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:50 pm -
2 stops17h 20m
Deal found 8/9![Multiple Airlines logo]()
$350
Find flight deals from Boston to Portimão
Keep the following information in mind while searching for Boston to Portimão flight deals. Data was last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $630 (Kiwi.com) |
One-way from | $250 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $862 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Portimão 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 August 13, 2026.
Use the filters below to find and compare flights from Boston to Portimão that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Mon 10/12
8:25 pm-11:20 am
2 stops33h 55m
Faro
Thu 11/12
1:25 pm-9:59 pm
2 stops37h 34m
$830
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Sat 10/31
5:25 pm-1:50 pm
2 stops16h 25m
Faro
Sun 11/8
6:50 pm-2:33 pm
2 stops24h 43m
$849
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Sun 8/30
3:30 pm-9:55 am
1 stop13h 25m
Faro
Tue 9/15
7:05 pm-7:55 pm
1 stop29h 50m
$870
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Sat 10/10
7:25 am-4:55 pm
1 stop28h 30m
Faro
Sat 10/24
8:00 pm-10:50 pm
1 stop31h 50m
$884
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Fri 10/2
7:35 pm-5:50 pm
1 stop17h 15m
Faro
Sat 10/10
8:00 pm-4:58 pm
2 stops25h 58m
$897
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Mon 9/21
3:35 pm-11:20 am
2 stops14h 45m
Faro
Mon 9/28
12:10 pm-5:40 pm
2 stops34h 30m
$904
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Thu 10/8
5:28 pm-1:05 pm
2 stops14h 37m
Faro
Tue 10/13
11:30 am-11:25 pm
2 stops16h 55m
$904
Quickest round-trip
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Sat 9/26
7:00 pm-6:05 pm
1 stop18h 05m
Faro
Sat 10/3
10:20 am-6:30 pm
1 stop13h 10m
$916
Cheapest one-way
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Mon 10/5
11:00 pm-10:55 pm
2 stops42h 55m
$276
BostonFaro
BOS Boston Logan Intl - FAO Faro
BOSFAO
Boston Logan Intl
Wed 10/14
10:55 pm-6:05 pm
1 stop14h 10m
$332
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Boston to Portimão
Have a flexible travel schedule? Discover the best time to fly to Portimão from Boston with our price prediction graph.
BOS-FAO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Portimão
BOS-P0T
BOS-FAO
How much does it cost to fly round-trip from Boston to Portimão?
Airfare is below average for this route at the moment.
Boston to Portimão flights typically cost between $784 and $1,210 in October.The cheapest round-trip price found within the last 5 days was $630 on Multiple Airlines (Oct 15-Oct 20).
Reviews of airlines servicing Portimão
Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated August 13, 2026.
Peruse reviews from past customers who have flown with KLM,United Airlines, andAer Lingus from Boston to Portimão to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.4
Food
7.3
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Crew
8.4
Food
7.3
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Boston to Portimão. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Portimão by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Boston to Portimão, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Portimão flights
Browse other Boston and Portimão flight options. Last updated on August 13, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on August 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Portimão flights
Consider these flights traveling from Boston to Portimão.
Top 6 airlines flying from Boston to Portimão
Discover the top 6 airlines that operate flights from Boston to Portimão. 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$481 | Average$736 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$500 | Average$797 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$505 | Average$788 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$556 | Average$707 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$654 | Average$792 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$733 | Average$834 | FlexibilityNo cancel fee | On-time70% |