$705+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIS
Nov 18 — Nov 251
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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Best
Last-minute
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 19, 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 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/17. 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 12/17:00 am -
1 stop20h 10m
Tue 12/812:50 pm -
2 stops35h 35m
Deal found 10/17![United Airlines logo]()
$705
This Delta deal was found by Cheapflights users on 10/19. 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 12/66:12 am -
2 stops21h 43m
Tue 12/225:30 am -
2 stops22h 36m
Deal found 10/19![Delta logo]()
$714
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/67:55 pm -
1 stop31h 15m
Tue 12/2212:20 pm -
1 stop11h 43m
Deal found 10/19![United Airlines logo]()
$718
This American Airlines deal was found by Cheapflights users on 10/17. 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 12/16:47 pm -
1 stop9h 18m
Tue 12/811:05 am -
1 stop12h 09m
Deal found 10/17![American Airlines logo]()
$725
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/311:23 am -
1 stop15h 47m
Thu 12/105:00 am -
2 stops34h 39m
Deal found 10/19![United Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/310:39 am -
1 stop17h 26m
Thu 12/1010:25 am -
1 stop17h 42m
Deal found 10/19![American Airlines logo]()
$775
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:03 pm -
1 stop10h 57m
Fri 11/205:00 am -
2 stops24h 19m
Deal found 10/14![Delta logo]()
$788
This KLM deal was found by Cheapflights users on 10/14. 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 11/134:03 pm -
1 stop10h 57m
Fri 11/2010:00 am -
1 stop19h 19m
Deal found 10/14![KLM logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/298:49 am -
1 stop18h 21m
Sun 12/610:40 am -
2 stops27h 25m
Deal found 10/15![United Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/145:08 pm -
2 stops34h 02m
Sat 11/2112:25 pm -
2 stops50h 42m
Deal found 10/17![United Airlines logo]()
$829
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/2610:50 am -
1 stop18h 40m
Mon 11/26:00 am -
2 stops18h 02m
Deal found 10/16![United Airlines logo]()
$829
This KLM deal was found by Cheapflights users on 10/17. 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 11/144:03 pm -
1 stop10h 57m
Sat 11/219:40 am -
2 stops19h 39m
Deal found 10/17![KLM logo]()
$839
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 19, 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 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/67:55 pm -
1 stop31h 15m
Tue 12/2212:20 pm -
1 stop11h 43m
Deal found 10/19![United Airlines logo]()
$718
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/310:39 am -
1 stop17h 26m
Thu 12/1010:25 am -
1 stop17h 42m
Deal found 10/19![American Airlines logo]()
$775
This Delta deal was found by Cheapflights users on 10/14. 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 4/56:00 am -
2 stops28h 25m
Tue 4/135:00 am -
2 stops22h 01m
Deal found 10/14![Delta logo]()
$777
This British Airways deal was found by Cheapflights users on 10/17. 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 4/96:01 pm -
2 stops18h 59m
Fri 4/167:20 am -
2 stops21h 07m
Deal found 10/17![Multiple Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 10/17. 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 1/237:45 pm -
1 stop31h 25m
Sun 1/3110:50 am -
2 stops37h 03m
Deal found 10/17![United Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 10/19. 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.
Tue 1/192:35 pm -
1 stop12h 25m
Mon 1/2510:00 am -
1 stop18h 49m
Deal found 10/19![Delta logo]()
$781
This United Airlines deal was found by Cheapflights users on 10/14. 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 4/58:00 am -
1 stop20h 45m
Tue 4/136:00 am -
2 stops21h 04m
Deal found 10/14![United Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 10/18. 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 2/54:25 pm -
2 stops58h 45m
Sat 2/1311:20 am -
2 stops35h 53m
Deal found 10/18![United Airlines logo]()
$781
This United Airlines deal was found by Cheapflights users on 10/18. 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 3/205:06 pm -
2 stops36h 14m
Sun 3/2811:25 am -
2 stops36h 59m
Deal found 10/18![United Airlines logo]()
$798
This Delta deal was found by Cheapflights users on 10/17. 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 12/201:20 pm -
2 stops20h 50m
Thu 1/215:00 am -
2 stops22h 23m
Deal found 10/17![Delta logo]()
$970
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/2910:50 am -
1 stop16h 20m
Sun 12/612:20 pm -
1 stop11h 52m
Deal found 10/15![United Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/2811:00 am -
1 stop16h 10m
Sat 12/512:20 pm -
2 stops27h 19m
Deal found 10/14![United Airlines logo]()
$854
This Delta deal was found by Cheapflights users on 10/16. 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 10/16![Delta logo]()
$1,310
This United Airlines deal was found by Cheapflights users on 10/17. 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 stops21h 18m
Deal found 10/17![United Airlines logo]()
$1,051
This United Airlines deal was found by Cheapflights users on 10/15. 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 2/1211:20 am -
2 stops40h 35m
Mon 2/225:00 am -
2 stops35h 23m
Deal found 10/15![United Airlines logo]()
$1,061
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/17![United Airlines logo]()
$1,079
This United Airlines deal was found by Cheapflights users on 10/16. 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 4/156:30 am -
1 stop20h 50m
Sat 4/2410:25 am -
1 stop29h 58m
Deal found 10/16![United Airlines logo]()
$1,160
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/17![United Airlines logo]()
$1,303
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/311:23 am -
2 stops17h 57m
Thu 12/1012:20 pm -
3 stops27h 19m
Deal found 10/19![United Airlines logo]()
$7,903
Last-minute flights from Maine to PortugalDiscover last-minute flight deals from Maine to Portugal. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Maine to Portugal. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/2610:50 am -
1 stop18h 40m
Mon 11/26:00 am -
2 stops18h 02m
Deal found 10/16![United Airlines logo]()
$829
This Delta deal was found by Cheapflights users on 10/16. 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 10/282:09 pm -
2 stops17h 11m
Sun 11/15:00 am -
2 stops21h 00m
Deal found 10/16![Delta logo]()
$946
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/283:40 pm -
1 stop12h 30m
Sun 11/110:15 am -
1 stop18h 06m
Deal found 10/16![United Airlines logo]()
$1,074
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:03 pm -
1 stop10h 57m
Fri 11/205:00 am -
2 stops24h 19m
Deal found 10/14![Delta logo]()
$788
This KLM deal was found by Cheapflights users on 10/14. 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 11/134:03 pm -
1 stop10h 57m
Fri 11/2010:00 am -
1 stop19h 19m
Deal found 10/14![KLM logo]()
$799
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/145:08 pm -
2 stops34h 02m
Sat 11/2112:25 pm -
2 stops50h 42m
Deal found 10/17![United Airlines logo]()
$829
This KLM deal was found by Cheapflights users on 10/17. 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 11/144:03 pm -
1 stop10h 57m
Sat 11/219:40 am -
2 stops19h 39m
Deal found 10/17![KLM logo]()
$839
This American Airlines deal was found by Cheapflights users on 10/17. 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 11/1411:07 am -
1 stop16h 58m
Sat 11/2110:40 am -
1 stop17h 16m
Deal found 10/17![American Airlines logo]()
$849
This Turkish Airlines deal was found by Cheapflights users on 10/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
2 stops47h 05m
Wed 11/185:55 am -
2 stops22h 48m
Deal found 10/14![Turkish Airlines logo]()
$904
This United Airlines deal was found by Cheapflights users on 10/16. 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 10/16![United Airlines logo]()
$1,086
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/2811:00 am -
1 stop16h 10m
Sat 12/512:20 pm -
2 stops27h 19m
Deal found 10/14![United Airlines logo]()
$854
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/298:49 am -
1 stop18h 21m
Sun 12/610:40 am -
2 stops27h 25m
Deal found 10/15![United Airlines logo]()
$803
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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $705 (United Airlines) |
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 19, 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
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sun 12/6
7:55 pm-8:10 am
1 stop31h 15m
Lisbon Humberto Delgado
Tue 12/22
12:20 pm-7:03 pm
1 stop11h 43m
$718
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sat 1/23
7:45 pm-8:10 am
1 stop31h 25m
Lisbon Humberto Delgado
Sun 1/31
10:50 am-6:53 pm
2 stops37h 03m
$771
BangorPorto
BGR Bangor - OPO Porto
BGROPO
Bangor
Mon 4/5
8:00 am-9:45 am
1 stop20h 45m
Porto
Tue 4/13
6:00 am-10:04 pm
2 stops21h 04m
$772
BangorLisbon
BGR Bangor - LIS Lisbon Humberto Delgado
BGRLIS
Bangor
Thu 12/3
10:39 am-9:05 am
1 stop17h 26m
Lisbon Humberto Delgado
Thu 12/10
10:25 am-11:07 pm
1 stop17h 42m
$775
BangorPorto
BGR Bangor - OPO Porto
BGROPO
Bangor
Mon 4/5
6:00 am-3:25 pm
2 stops28h 25m
Porto
Tue 4/13
5:00 am-10:01 pm
2 stops22h 01m
$777
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Tue 1/19
2:35 pm-8:00 am
1 stop12h 25m
Lisbon Humberto Delgado
Mon 1/25
10:00 am-11:49 pm
1 stop18h 49m
$781
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Fri 2/5
4:25 pm-8:10 am
2 stops58h 45m
Lisbon Humberto Delgado
Sat 2/13
11:20 am-6:13 pm
2 stops35h 53m
$781
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sat 3/20
5:06 pm-9:20 am
2 stops36h 14m
Lisbon Humberto Delgado
Sun 3/28
11:25 am-7:24 pm
2 stops36h 59m
$798
Quickest round-trip
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Sun 11/29
10:50 am-8:10 am
1 stop16h 20m
Lisbon Humberto Delgado
Sun 12/6
12:20 pm-7:12 pm
1 stop11h 52m
$799
PortlandLisbon
PWM Portland - LIS Lisbon Humberto Delgado
PWMLIS
Portland
Fri 4/9
6:01 pm-6:00 pm
2 stops18h 59m
Lisbon Humberto Delgado
Fri 4/16
7:20 am-11:27 pm
2 stops21h 07m
$810
Showing 1-10 of 19 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-LIS
BGR-OPO
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-LIS
BGR-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 19, 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$707 | FlexibilityNo cancel fee | On-time69% |