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Find cheap flights from Maine to Portugal from $225

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Maine to Portugal departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 7/1
Mon 7/8

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In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

July

Cheapest flight

$225
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Boston to Ponta Delgada

FAQs for booking flights from Maine to Portugal

  • How does KAYAK find such low prices on flights from Maine to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portugal from Maine is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Maine to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portugal with an airline and back to Maine with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portugal from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Maine to Portugal

Recent round-trip flight deals

10/20Sun
1 stopPLAY
20h 05mBOS-LIS
11/8Fri
1 stopPLAY
24h 45mLIS-BOS
$377
11/17Sun
1 stopPLAY
20h 55mBOS-LIS
11/25Mon
1 stopPLAY
24h 45mLIS-BOS
$406
11/16Sat
1 stopVueling
16h 00mBOS-LIS
11/23Sat
1 stopVueling
12h 45mLIS-BOS
$415
11/19Tue
1 stop
16h 00mBOS-LIS
11/26Tue
1 stop
17h 35mLIS-BOS
$421
11/5Tue
1 stopVueling
16h 55mBOS-OPO
11/9Sat
1 stopVueling
18h 05mOPO-BOS
$424
11/19Tue
1 stop
16h 00mBOS-LIS
11/23Sat
1 stop
16h 05mLIS-BOS
$452
11/10Sun
1 stopTAP AIR PORTUGAL
20h 20mBOS-PDL
11/20Wed
1 stopTAP AIR PORTUGAL
23h 05mPDL-BOS
$472
11/24Sun
1 stopTAP AIR PORTUGAL
30h 00mBOS-PDL
12/4Wed
1 stopTAP AIR PORTUGAL
33h 00mPDL-BOS
$477
11/3Sun
2 stopsAir Canada
19h 50mBOS-OPO
11/12Tue
2 stopsAir Canada
21h 34mOPO-BOS
$481
11/4Mon
2 stopsAir Canada
21h 25mBOS-OPO
11/15Fri
2 stopsAir Canada
21h 34mOPO-BOS
$483

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Recent one-way flight deals

9/22Sun
nonstopAzores Airlines
5h 05mBOS-PDL
$225
10/21Mon
nonstopAzores Airlines
5h 05mBOS-TER
$237
10/21Mon
1 stopTAP AIR PORTUGAL
13h 55mBOS-TER
$247
10/20Sun
1 stopVueling
17h 30mBOS-LIS
$256
9/24Tue
1 stopIberia
17h 35mBOS-LIS
$258
9/25Wed
1 stopVueling
16h 40mBOS-LIS
$261
10/20Sun
nonstopTAP AIR PORTUGAL
6h 30mBOS-LIS
$265
9/24Tue
1 stop
13h 05mBOS-OPO
$271
9/25Wed
1 stop
12h 30mBOS-OPO
$272
11/5Tue
1 stopIberia
17h 00mBOS-LIS
$280

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Search by price

Last minute flights from Maine to Portugal

Last minute flight, train and bus deals

6/2Sun
multi-stop
12h 10mBOS-LIS
6/19Wed
multi-stop
22h 10mLIS-BOS
$750
6/5Wed
nonstopAzores Airlines
6h 15mBOS-OPO
6/19Wed
multi-stopAzores Airlines
19h 45mOPO-BOS
$750
6/2Sun
multi-stopSWISS
29h 10mBOS-OPO
6/17Mon
multi-stopSWISS
29h 45mOPO-BOS
$758
6/6Thu
multi-stopPLAY
20h 05mBOS-LIS
6/10Mon
multi-stopPLAY
25h 30mLIS-BOS
$768
6/6Thu
multi-stopPLAY
20h 05mBOS-LIS
6/17Mon
multi-stopPLAY
25h 30mLIS-BOS
$770
6/2Sun
multi-stopUnited Airlines
10h 55mBOS-OPO
6/9Sun
multi-stopUnited Airlines
13h 17mOPO-BOS
$774
6/2Sun
multi-stopUnited Airlines
17h 55mBOS-OPO
6/9Sun
multi-stopUnited Airlines
13h 17mOPO-BOS
$779
6/4Tue
multi-stopVueling
28h 30mBOS-LIS
6/18Tue
multi-stopVueling
28h 10mLIS-BOS
$862
6/6Thu
multi-stopVueling
28h 30mBOS-LIS
6/16Sun
multi-stopVueling
28h 00mLIS-BOS
$882
6/4Tue
multi-stopSWISS
29h 00mBOS-OPO
7/6Sat
multi-stopSWISS
46h 15mOPO-BOS
$1,345

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Flights to Portugal

Return flight deals:

Portugal - Maine

Cabin classes: