$462+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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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
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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 25, 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 25, 2026.
This KLM deal was found by Cheapflights users on 10/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:00 pm -
1 stop11h 00m
Tue 12/1511:30 am -
2 stops17h 51m
Deal found 10/24![KLM logo]()
$739
This Air France deal was found by Cheapflights users on 10/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:53 pm -
2 stops17h 17m
Tue 12/1511:30 am -
2 stops17h 51m
Deal found 10/24![Multiple Airlines logo]()
$742
This Air France deal was found by Cheapflights users on 10/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:00 pm -
1 stop11h 00m
Tue 12/1510:00 am -
1 stop19h 21m
Deal found 10/24![Air France logo]()
$749
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:20 pm -
1 stop13h 10m
Sun 12/136:00 am -
2 stops22h 24m
Deal found 10/22![United Airlines logo]()
$784
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:23 am -
1 stop17h 07m
Sun 12/136:00 am -
2 stops33h 39m
Deal found 10/22![United Airlines logo]()
$790
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:55 pm -
1 stop31h 15m
Sat 12/1212:25 pm -
2 stops55h 12m
Deal found 10/21![United Airlines logo]()
$805
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:55 am -
1 stop17h 10m
Sat 12/1210:40 am -
1 stop12h 34m
Deal found 10/21![American Airlines logo]()
$825
This Air Canada deal was found by Cheapflights users on 10/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:12 am -
3 stops19h 08m
Tue 12/1512:50 pm -
3 stops25h 15m
Deal found 10/24![Air Canada logo]()
$857
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:12 am -
3 stops18h 28m
Sat 12/1211:20 am -
2 stops15h 10m
Deal found 10/21![Multiple Airlines logo]()
$987
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/20![United Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 10/23. 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 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 10/23![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:00 am -
1 stop17h 30m
Fri 11/136:00 am -
2 stops33h 13m
Deal found 10/20![United Airlines logo]()
$1,303
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 25, 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 25, 2026.
This KLM deal was found by Cheapflights users on 10/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:00 pm -
1 stop11h 00m
Tue 12/1511:30 am -
2 stops17h 51m
Deal found 10/24![KLM logo]()
$739
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/63:20 pm -
1 stop13h 10m
Sun 12/136:00 am -
2 stops22h 24m
Deal found 10/22![United Airlines logo]()
$784
This Delta deal was found by Cheapflights users on 10/23. 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.
Sun 11/84:10 pm -
1 stop11h 05m
Fri 11/135:00 am -
2 stops39h 05m
Deal found 10/23![Delta logo]()
$1,303
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/92:35 pm -
2 stops15h 20m
Fri 4/1611:55 am -
2 stops16h 54m
Deal found 10/20![KLM logo]()
$779
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:23 am -
1 stop17h 07m
Sun 12/1312:35 pm -
1 stop27h 04m
Deal found 10/22![United Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:55 pm -
1 stop31h 15m
Sat 12/1212:25 pm -
2 stops55h 12m
Deal found 10/21![United Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:43 pm -
2 stops31h 57m
Mon 2/225:00 am -
2 stops18h 13m
Deal found 10/22![United Airlines logo]()
$1,056
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.
Fri 2/1211:25 am -
1 stop15h 45m
Mon 2/2210:15 am -
1 stop29h 29m
Deal found 10/25![United Airlines logo]()
$1,076
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 10/21![United Airlines logo]()
$1,084
This United Airlines deal was found by Cheapflights users on 10/23. 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 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 10/23![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:00 am -
1 stop17h 30m
Fri 11/136:00 am -
2 stops33h 13m
Deal found 10/24![United Airlines logo]()
$1,308
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:49 am -
1 stop19h 41m
Sat 11/286:00 am -
2 stops22h 21m
Deal found 10/24![United Airlines logo]()
$1,379
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated October 25, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 10/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:10 pm -
1 stop11h 50m
Fri 10/3012:25 pm -
2 stops31h 05m
Deal found 10/24![Air France logo]()
$1,312
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:10 pm -
1 stop11h 50m
Fri 10/3011:30 am -
2 stops32h 00m
Deal found 10/20![Delta logo]()
$1,356
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop23h 05m
Fri 10/3011:05 am -
1 stop16h 50m
Deal found 10/21![American Airlines logo]()
$1,369
This Condor deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:30 am -
2 stops25h 05m
Sat 11/75:00 am -
2 stops23h 43m
Deal found 10/20![Multiple Airlines logo]()
$4,470
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:00 am -
1 stop17h 30m
Fri 11/136:00 am -
2 stops33h 13m
Deal found 10/20![United Airlines logo]()
$1,303
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:10 pm -
2 stops18h 15m
Fri 11/135:00 am -
2 stops39h 05m
Deal found 10/20![Delta logo]()
$1,311
This United Airlines deal was found by Cheapflights users on 10/23. 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 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 10/23![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:49 am -
1 stop19h 41m
Sat 11/286:00 am -
2 stops22h 21m
Deal found 10/24![United Airlines logo]()
$1,379
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop21h 10m
Sat 11/285:00 am -
2 stops23h 21m
Deal found 10/24![Lufthansa logo]()
$1,507
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:41 pm -
2 stops40h 49m
Sat 11/286:00 am -
2 stops22h 21m
Deal found 10/24![United Airlines logo]()
$1,730
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop21h 10m
Sat 11/2810:15 am -
1 stop18h 06m
Deal found 10/24![Multiple Airlines logo]()
$1,735
This Gurufare deal was found by Cheapflights users on 10/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:41 pm -
1 stop12h 49m
Sat 11/2812:35 pm -
1 stop15h 46m
Deal found 10/24![Lufthansa logo]()
$1,985
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 25, 2026.
Search for one-way flight options from Maine to Portugal. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/156:00 am -
2 stops47h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/155:35 pm -
3 stops39h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$668
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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $739 (KLM) |
One-way from | $462 (Delta) |
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 25, 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
Mon 3/15
6:00 am-9:35 am
2 stops47h 35m
Funchal Madeira
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$462
BangorFunchal
BGR Bangor - FNC Funchal Madeira
BGRFNC
Bangor
Mon 3/15
5:35 pm-1:30 pm
3 stops39h 55m
Funchal Madeira
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$668
Quickest round-trip
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Tue 12/8
4:00 pm-8:00 am
1 stop11h 00m
Lisbon Humberto Delgado
Tue 12/15
11:30 am-12:21 am
2 stops17h 51m
$739
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Fri 4/9
2:35 pm-10:55 am
2 stops15h 20m
Lisbon Humberto Delgado
Fri 4/16
11:55 am-11:49 pm
2 stops16h 54m
$779
PortlandPorto
PWM Portland - OPO Porto
PWMOPO
Portland
Sun 12/6
3:20 pm-9:30 am
1 stop13h 10m
Porto
Sun 12/13
6:00 am-11:24 pm
2 stops22h 24m
$784
BangorPorto
BGR Bangor - OPO Porto
BGROPO
Bangor
Sun 12/6
11:23 am-9:30 am
1 stop17h 07m
Porto
Sun 12/13
12:35 pm-10:39 am
1 stop27h 04m
$804
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sat 12/5
7:55 pm-8:10 am
1 stop31h 15m
Lisbon Humberto Delgado
Sat 12/12
12:25 pm-2:37 pm
2 stops55h 12m
$805
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Fri 2/12
7:43 pm-8:40 am
2 stops31h 57m
Lisbon Humberto Delgado
Mon 2/22
5:00 am-6:13 pm
2 stops18h 13m
$1,056
BangorLisbon
BGR Bangor - LIS Lisbon Humberto Delgado
BGRLIS
Bangor
Fri 2/12
11:25 am-8:10 am
1 stop15h 45m
Lisbon Humberto Delgado
Mon 2/22
10:15 am-10:44 am
1 stop29h 29m
$1,076
PortlandPorto
PWM Portland - OPO Porto
PWMOPO
Portland
Mon 12/7
3:20 pm-9:30 am
1 stop13h 10m
Porto
Fri 12/11
6:00 am-9:29 pm
2 stops20h 29m
$1,084
Showing 1-10 of 14 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
BGR-OPO
BGR-LIS
PWM-OPO
BGR-FNC
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
BGR-OPO
BGR-LIS
PWM-OPO
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.
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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 25, 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |