Find flights
When to book
FAQs & Tips
Deals

Find cheap flights from Maine to Portugal from $234

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 11/5. 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
Tue 7/2
Tue 7/9

Search hundreds of travel sites at once for deals on flights to Portugal

In the last 7 days travelers have searched 41,909,192 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$234
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 31% increase in price.
Flight from Boston to Lisbon

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

11/19Tue
1 stopTAP AIR PORTUGAL
12h 50mBOS-TER
11/27Wed
1 stopTAP AIR PORTUGAL
30h 40mTER-BOS
$470
9/6Fri
nonstop
5h 05mBOS-TER
9/10Tue
1 stop
25h 30mTER-BOS
$526
11/5Tue
2 stopsUnited Airlines
36h 58mPWM-LIS
11/19Tue
2 stopsUnited Airlines
41h 48mLIS-PWM
$532
11/5Tue
2 stopsKLM
16h 40mPWM-LIS
11/19Tue
1 stopKLM
18h 38mLIS-PWM
$556
8/27Tue
nonstopAzores Airlines
6h 00mBOS-FNC
9/11Wed
1 stopAzores Airlines
19h 00mFNC-BOS
$566
11/5Tue
1 stopUnited Airlines
10h 08mPWM-LIS
11/19Tue
1 stopUnited Airlines
13h 35mLIS-PWM
$569
8/27Tue
nonstopAzores Airlines
6h 00mBOS-FNC
9/12Thu
1 stopAzores Airlines
9h 45mFNC-BOS
$569
11/14Thu
1 stopKLM
9h 30mPWM-LIS
11/18Mon
1 stopKLM
18h 38mLIS-PWM
$626
11/14Thu
2 stopsAmerican Airlines
23h 41mPWM-LIS
11/18Mon
1 stopAmerican Airlines
16h 09mLIS-PWM
$628
11/14Thu
2 stopsAmerican Airlines
17h 43mPWM-LIS
11/18Mon
2 stopsAmerican Airlines
34h 37mLIS-PWM
$643

Search by stops

Search by airline

Search by price

Recent one-way flight deals

11/5Tue
1 stopVueling
17h 00mBOS-LIS
$234
10/21Mon
nonstopAzores Airlines
5h 05mBOS-TER
$237
7/15Mon
2 stops
25h 41mBOS-FAO
$240
10/21Mon
1 stopTAP AIR PORTUGAL
13h 55mBOS-TER
$247
7/16Tue
2 stops
27h 03mBOS-FAO
$247
9/24Tue
1 stopIberia
17h 35mBOS-LIS
$279
11/26Tue
1 stopTAP AIR PORTUGAL
12h 50mBOS-TER
$280
10/10Thu
1 stopIberia
17h 30mBOS-LIS
$298
8/22Thu
1 stopPLAY
20h 05mBOS-LIS
$334
10/31Thu
1 stopPLAY
20h 55mBOS-LIS
$385

Search by stops

Search by airline

Search by price

Last minute flights from Maine to Portugal

Last minute flight, train and bus deals

6/5Wed
nonstopAzores Airlines
6h 15mBOS-OPO
6/11Tue
nonstopAzores Airlines
7h 40mOPO-BOS
$694
6/7Fri
nonstopAzores Airlines
5h 05mBOS-TER
6/14Fri
nonstopAzores Airlines
5h 45mTER-BOS
$703
6/5Wed
multi-stopUnited Airlines
10h 43mBOS-OPO
6/11Tue
multi-stopUnited Airlines
12h 46mOPO-BOS
$724
6/5Wed
multi-stopUnited Airlines
19h 55mBOS-OPO
6/11Tue
multi-stopUnited Airlines
19h 59mOPO-BOS
$729
6/5Wed
multi-stopSWISS
15h 45mBOS-OPO
6/10Mon
multi-stopSWISS
25h 05mOPO-BOS
$731
6/7Fri
multi-stop
16h 00mBOS-PDL
6/17Mon
nonstop
5h 40mPDL-BOS
$755
6/5Wed
multi-stopSWISS
15h 45mBOS-OPO
6/10Mon
multi-stopSWISS
29h 45mOPO-BOS
$758
6/6Thu
multi-stopPLAY
20h 05mBOS-LIS
6/17Mon
multi-stopPLAY
25h 30mLIS-BOS
$772
6/7Fri
multi-stop
53h 27mBOS-TER
6/14Fri
nonstop
5h 45mTER-BOS
$780
6/6Thu
multi-stopPLAY
20h 05mBOS-LIS
6/17Mon
multi-stopPLAY
25h 30mLIS-BOS
$860

Search by stops

Search by airline

Search by price

Flights to Portugal

Return flight deals:

Portugal - Maine

Cabin classes: