$537+ Cheap flights from Maine to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Nov 29 — Dec 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Maine to Portugal 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.Cheap flight deals from Maine to Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Maine to PortugalExplore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Maine to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This KLM deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:45 pm -
1 stop11h 15m
Wed 12/911:30 am -
2 stops32h 35m
Deal found 10/27![KLM logo]()
$748
This Delta deal was found by Cheapflights users on 10/27. 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 12/23:45 pm -
2 stops14h 35m
Wed 12/95:00 am -
2 stops39h 05m
Deal found 10/27![Delta logo]()
$752
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 12/210:39 am -
1 stop16h 51m
Wed 12/911:05 am -
1 stop11h 44m
Deal found 10/27![American Airlines logo]()
$759
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:00 pm -
2 stops18h 25m
Thu 12/1710:15 am -
1 stop19h 06m
Deal found 10/26![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop21h 30m
Thu 12/1712:35 pm -
2 stops16h 24m
Deal found 10/26![United Airlines logo]()
$809
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/89:46 am -
1 stop19h 19m
Mon 11/165:00 am -
2 stops21h 51m
Deal found 10/29![United Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/127:00 am -
1 stop20h 10m
Sat 12/1910:15 am -
1 stop13h 15m
Deal found 10/28![United Airlines logo]()
$859
This Delta deal was found by Cheapflights users on 10/28. 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 12/301:20 pm -
1 stop13h 55m
Wed 1/65:55 am -
2 stops23h 04m
Deal found 10/28![Delta logo]()
$951
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/308:00 am -
2 stops22h 45m
Wed 1/66:00 am -
2 stops20h 03m
Deal found 10/28![United Airlines logo]()
$1,075
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:20 pm -
1 stop13h 10m
Fri 12/116:00 am -
2 stops20h 29m
Deal found 10/25![United Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 am -
1 stop16h 20m
Mon 11/307:50 pm -
2 stops28h 35m
Deal found 10/26![United Airlines logo]()
$1,086
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/198:49 am -
2 stops19h 31m
Fri 11/275:00 am -
2 stops23h 21m
Deal found 10/27![United Airlines logo]()
$1,087
Best flights from Maine to PortugalDiscover carefully curated flight deals from Maine to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Maine to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This KLM deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:45 pm -
1 stop11h 15m
Wed 12/911:30 am -
2 stops32h 35m
Deal found 10/27![KLM logo]()
$748
This Delta deal was found by Cheapflights users on 10/27. 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 12/23:45 pm -
2 stops14h 35m
Wed 12/95:00 am -
2 stops39h 05m
Deal found 10/27![Delta logo]()
$752
This United Airlines deal was found by Cheapflights users on 10/29. 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 2/153:13 pm -
1 stop11h 57m
Sat 2/275:00 am -
2 stops18h 50m
Deal found 10/29![United Airlines logo]()
$778
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:10 am -
2 stops23h 50m
Sat 2/66:00 am -
2 stops20h 03m
Deal found 10/28![Multiple Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 10/28. 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 1/303:12 pm -
2 stops38h 23m
Sat 2/65:00 am -
2 stops23h 26m
Deal found 10/28![Delta logo]()
$776
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 1/307:45 pm -
1 stop31h 25m
Sat 2/65:00 am -
2 stops21h 03m
Deal found 10/28![United Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 10/28. 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 1/303:12 pm -
2 stops38h 23m
Sun 2/75:00 am -
2 stops23h 59m
Deal found 10/28![Delta logo]()
$776
This KLM deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:00 am -
1 stop21h 00m
Mon 3/1510:00 am -
1 stop16h 01m
Deal found 10/26![KLM logo]()
$855
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 1/307:45 pm -
2 stops38h 35m
Sun 2/76:00 am -
2 stops20h 03m
Deal found 10/28![United Airlines logo]()
$789
This Delta deal was found by Cheapflights users on 10/28. 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 1/303:12 pm -
2 stops45h 18m
Sun 2/711:30 am -
2 stops17h 29m
Deal found 10/28![Delta logo]()
$784
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
2 stops27h 10m
Thu 12/1712:35 pm -
2 stops16h 24m
Deal found 10/26![United Airlines logo]()
$821
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:45 am -
1 stop17h 20m
Sun 1/311:05 am -
1 stop28h 11m
Deal found 10/25![American Airlines logo]()
$2,137
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:00 pm -
2 stops18h 25m
Thu 12/1710:15 am -
1 stop19h 06m
Deal found 10/26![Delta logo]()
$806
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 3/3012:15 pm -
1 stop15h 05m
Sun 4/181:00 pm -
2 stops33h 04m
Deal found 10/29![United Airlines logo]()
$842
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 1/309:40 am -
2 stops17h 30m
Sun 2/710:15 am -
2 stops14h 06m
Deal found 10/28![United Airlines logo]()
$846
This Ovago deal was found by Cheapflights users on 10/28. 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.
Wed 2/103:11 pm -
2 stops17h 19m
Fri 2/197:50 am -
2 stops20h 09m
Deal found 10/28![Multiple Airlines logo]()
$1,371
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/127:00 am -
1 stop20h 10m
Sat 12/1910:15 am -
1 stop13h 15m
Deal found 10/28![United Airlines logo]()
$859
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/17:08 pm -
1 stop10h 12m
Fri 1/85:00 am -
2 stops21h 03m
Deal found 10/27![United Airlines logo]()
$923
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/223:19 pm -
2 stops15h 06m
Sun 1/33:35 pm -
2 stops36h 05m
Deal found 10/25![Multiple Airlines logo]()
$1,663
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:10 am -
2 stops21h 10m
Mon 2/2210:15 am -
1 stop16h 14m
Deal found 10/28![United Airlines logo]()
$971
This Air France deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:19 pm -
2 stops18h 51m
Sun 1/311:30 am -
2 stops40h 10m
Deal found 10/25![Multiple Airlines logo]()
$1,663
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1211:25 am -
2 stops40h 15m
Mon 2/2211:55 am -
2 stops27h 49m
Deal found 10/28![United Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 am -
1 stop16h 20m
Mon 11/307:50 pm -
2 stops28h 35m
Deal found 10/26![United Airlines logo]()
$1,086
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:51 am -
2 stops18h 39m
Fri 12/116:00 am -
2 stops18h 25m
Deal found 10/25![United Airlines logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:20 am -
1 stop20h 50m
Sun 1/310:40 am -
2 stops53h 04m
Deal found 10/25![United Airlines logo]()
$1,968
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/89:46 am -
1 stop19h 19m
Mon 11/165:00 am -
2 stops21h 51m
Deal found 10/29![United Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:41 pm -
1 stop11h 29m
Fri 11/205:00 am -
2 stops23h 21m
Deal found 10/25![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/198:49 am -
2 stops19h 31m
Fri 11/275:00 am -
2 stops23h 21m
Deal found 10/27![United Airlines logo]()
$1,087
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/193:41 pm -
1 stop12h 49m
Fri 11/276:00 am -
2 stops22h 21m
Deal found 10/27![United Airlines logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/193:41 pm -
1 stop12h 49m
Sun 11/2912:30 pm -
2 stops40h 22m
Deal found 10/27![United Airlines logo]()
$1,200
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/205:50 am -
1 stop22h 40m
Fri 11/276:00 am -
2 stops22h 21m
Deal found 10/27![United Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/215:08 pm -
2 stops59h 22m
Sun 11/2912:30 pm -
2 stops40h 22m
Deal found 10/27![United Airlines logo]()
$1,166
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 11/227:35 pm -
2 stops32h 55m
Sun 11/2912:30 pm -
2 stops40h 22m
Deal found 10/27![United Airlines logo]()
$1,154
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:50 am -
1 stop16h 20m
Mon 11/307:50 pm -
2 stops28h 35m
Deal found 10/26![United Airlines logo]()
$1,086
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:41 pm -
1 stop12h 49m
Sun 11/2912:30 pm -
2 stops40h 22m
Deal found 10/27![United Airlines logo]()
$1,150
This Delta deal was found by Cheapflights users on 10/27. 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 11/236:27 am -
2 stops21h 33m
Sun 11/2911:30 am -
2 stops28h 29m
Deal found 10/27![Delta logo]()
$1,178
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/233:41 pm -
1 stop12h 49m
Fri 11/276:00 am -
2 stops22h 21m
Deal found 10/27![United Airlines logo]()
$1,306
One-way flights from Maine to PortugalSearch for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 2/105:32 pm -
2 stops43h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$537
Find flight deals from Maine to Portugal
Keep the following information in mind while searching for Maine to Portugal flight deals. Data was last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $739 (Air France) |
One-way from | $537 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Maine to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Maine to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BangorFunchal
BGR Bangor - FNC Funchal Madeira
BGRFNC
Bangor
Wed 2/10
5:32 pm-5:40 pm
2 stops43h 08m
Funchal Madeira
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$537
BangorLisbon
BGR Bangor - LIS Lisbon Humberto Delgado
BGRLIS
Bangor
Wed 12/2
3:45 pm-8:00 am
1 stop11h 15m
Lisbon Humberto Delgado
Wed 12/9
11:30 am-3:05 pm
2 stops32h 35m
$748
BangorLisbon
BGR Bangor - LIS Lisbon Humberto Delgado
BGRLIS
Bangor
Wed 12/2
3:45 pm-11:20 am
2 stops14h 35m
Lisbon Humberto Delgado
Wed 12/9
5:00 am-3:05 pm
2 stops39h 05m
$752
PortlandPorto
PWM Portland - OPO Porto
PWMOPO
Portland
Sat 1/30
3:12 pm-10:35 am
2 stops38h 23m
Porto
Sat 2/6
5:00 am-11:26 pm
2 stops23h 26m
$776
PortlandPorto
PWM Portland - OPO Porto
PWMOPO
Portland
Sat 1/30
3:12 pm-10:35 am
2 stops38h 23m
Porto
Sun 2/7
5:00 am-11:59 pm
2 stops23h 59m
$776
Quickest round-trip
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Mon 2/15
3:13 pm-8:10 am
1 stop11h 57m
Lisbon Humberto Delgado
Sat 2/27
5:00 am-6:50 pm
2 stops18h 50m
$778
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sat 1/30
3:12 pm-5:30 pm
2 stops45h 18m
Lisbon Humberto Delgado
Sun 2/7
11:30 am-11:59 pm
2 stops17h 29m
$784
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sat 1/30
7:45 pm-8:10 am
1 stop31h 25m
Lisbon Humberto Delgado
Sat 2/6
5:00 am-9:03 pm
2 stops21h 03m
$785
PortlandPorto
PWM Portland - OPO Porto
PWMOPO
Portland
Sat 1/30
7:45 pm-3:20 pm
2 stops38h 35m
Porto
Sun 2/7
6:00 am-9:03 pm
2 stops20h 03m
$789
PortlandPorto
PWM Portland - OPO Porto
PWMOPO
Portland
Thu 12/10
4:00 pm-3:25 pm
2 stops18h 25m
Porto
Thu 12/17
10:15 am-12:21 am
1 stop19h 06m
$806
Showing 1-10 of 26 resultsSorted by cheapest first
Best time to book a flight from Maine to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Maine with our price prediction graph.
PWM-LIS
PWM-OPO
BGR-FNC
BGR-LIS
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 Maine to Portugal
USME-PT0
PWM-LIS
PWM-OPO
BGR-FNC
BGR-LIS
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Maine to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for Maine to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maine to Portugal by cabin class
Find flights from Maine to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maine and Portugal flights
Browse other Maine and Portugal flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Portugal
Find the right flight back to Maine after your stay in Portugal
Maine to Portugal flights
Consider these flights traveling from Maine to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top airline flying from Maine to Portugal
Discover the top airline that operate flights from Maine to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |