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Cheap flights from Maine to Lisbon from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Lisbon departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Maine to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:12 pm - 8:10 am
PWM
-
LIS
11h 58m1 stop
United Airlines Logo
10:55 am - 6:54 pm
LIS
-
PWM
36h 59m2 stops
$490United Airlines
Fri, Jan 30 - Fri, Feb 6
Air Canada Logo
7:27 pm - 9:20 am
PWM
-
LIS
32h 53m2 stops
Air Canada Logo
10:50 am - 11:30 pm
LIS
-
PWM
41h 40m2 stops
$493Air Canada
Wed, Jan 21 - Sun, Jan 25
Delta Logo
2:35 pm - 11:20 am
PWM
-
LIS
15h 45m2 stops
Delta Logo
5:00 am - 10:27 pm
LIS
-
PWM
22h 27m2 stops
$501Delta
Fri, Jan 30 - Fri, Feb 6
United Airlines Logo
3:12 pm - 8:10 am
PWM
-
LIS
11h 58m1 stop
United Airlines Logo
10:15 am - 2:31 pm
LIS
-
PWM
33h 16m2 stops
$511United Airlines
Fri, Jan 23 - Tue, Jan 27
United Airlines Logo
12:08 pm - 9:20 am
BOS
-
LIS
16h 12m2 stops
United Airlines Logo
11:20 am - 9:52 pm
LIS
-
BOS
15h 32m2 stops
$516United Airlines
Thu, Jan 15 - Mon, Jan 19
Delta Logo
6:30 pm - 3:10 pm
BOS
-
LIS
15h 40m1 stop
Delta Logo
10:00 am - 10:54 pm
LIS
-
BOS
16h 54m1 stop
$521Delta
Fri, Jan 30 - Fri, Mar 13
Scandinavian Airlines Logo
7:30 am - 4:05 pm
BOS
-
LIS
27h 35m2 stops
Scandinavian Airlines Logo
4:55 pm - 3:50 pm
LIS
-
BOS
27h 55m1 stop
$524Scandinavian Airlines
Sat, Jan 24 - Sun, Feb 8
TAP AIR PORTUGAL Logo
6:30 pm - 6:05 am
BOS
-
LIS
6h 35mnonstop
TAP AIR PORTUGAL Logo
10:00 pm - 7:55 pm
LIS
-
BOS
26h 55m1 stop
$525TAP AIR PORTUGAL
Sun, Mar 29 - Sat, Apr 11
KLM Logo
6:17 am - 8:00 am
PWM
-
LIS
20h 43m1 stop
KLM Logo
5:00 am - 12:20 am
LIS
-
PWM
24h 20m2 stops
$581KLM
Thu, Jan 8 - Thu, Jan 15
KLM Logo
2:35 pm - 8:00 am
PWM
-
LIS
12h 25m1 stop
KLM Logo
10:00 am - 12:20 am
LIS
-
PWM
19h 20m1 stop
$590KLM
Thu, Jan 8 - Thu, Jan 15

Icelandair flights from Maine to Lisbon

Our best Icelandair deals on Maine to Lisbon flight tickets
Icelandair
Jan 7
BOS7:50 pmBoston Logan Intl
19h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Jan 15
LIS9:20 pmLisbon Humberto Delgado
25h 30m
1 stop
BOS5:50 pmBoston Logan Intl
$546
Find similar
Icelandair
Dec 31
BOS7:50 pmBoston Logan Intl
19h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Jan 8
LIS9:20 pmLisbon Humberto Delgado
48h 40m
2 stops
BOS5:00 pmBoston Logan Intl
$770
Find similar
Icelandair
Dec 31
BOS7:50 pmBoston Logan Intl
19h 30m
1 stop
LIS8:20 pmLisbon Humberto Delgado
Jan 9
LIS7:05 amLisbon Humberto Delgado
15h 45m
2 stops
BOS5:50 pmBoston Logan Intl
$771
Find similar

United Airlines flights from Maine to Lisbon

Our best United Airlines deals on Maine to Lisbon flight tickets
United Airlines
Jan 30
PWM3:12 pmPortland
11h 58m
1 stop
LIS8:10 amLisbon Humberto Delgado
Feb 6
LIS10:55 amLisbon Humberto Delgado
36h 59m
2 stops
PWM6:54 pmPortland
$490
Find similar
United Airlines
Jan 23
PWM3:12 pmPortland
11h 58m
1 stop
LIS8:10 amLisbon Humberto Delgado
Jan 27
LIS10:15 amLisbon Humberto Delgado
33h 16m
2 stops
PWM2:31 pmPortland
$511
Find similar
United Airlines
Jan 15
BOS12:08 pmBoston Logan Intl
16h 12m
2 stops
LIS9:20 amLisbon Humberto Delgado
Jan 19
LIS11:20 amLisbon Humberto Delgado
15h 32m
2 stops
BOS9:52 pmBoston Logan Intl
$516
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Maine to Lisbon 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Maine to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Fri 1/30

3:12 pm-8:10 am

1 stop11h 58m

Lisbon Humberto Delgado

Fri 2/6

10:55 am-6:54 pm

2 stops36h 59m

$490

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Wed 1/21

7:27 pm-9:20 am

2 stops32h 53m

Lisbon Humberto Delgado

Sun 1/25

10:50 am-11:30 pm

2 stops41h 40m

$493

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Fri 1/30

2:35 pm-11:20 am

2 stops15h 45m

Lisbon Humberto Delgado

Fri 2/6

5:00 am-10:27 pm

2 stops22h 27m

$501

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Fri 1/23

3:12 pm-8:10 am

1 stop11h 58m

Lisbon Humberto Delgado

Tue 1/27

10:15 am-2:31 pm

2 stops33h 16m

$511

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 1/15

12:08 pm-9:20 am

2 stops16h 12m

Lisbon Humberto Delgado

Mon 1/19

11:20 am-9:52 pm

2 stops15h 32m

$516

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 1/30

6:30 pm-3:10 pm

1 stop15h 40m

Lisbon Humberto Delgado

Fri 3/13

10:00 am-10:54 pm

1 stop16h 54m

$521

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 1/24

7:30 am-4:05 pm

2 stops27h 35m

Lisbon Humberto Delgado

Sun 2/8

4:55 pm-3:50 pm

1 stop27h 55m

$524

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 3/29

6:30 pm-6:05 am

Nonstop6h 35m

Lisbon Humberto Delgado

Sat 4/11

10:00 pm-7:55 pm

1 stop26h 55m

$525

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Thu 1/8

6:17 am-8:00 am

1 stop20h 43m

Lisbon Humberto Delgado

Thu 1/15

5:00 am-12:20 am

2 stops24h 20m

$581

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Thu 1/8

2:35 pm-8:00 am

1 stop12h 25m

Lisbon Humberto Delgado

Thu 1/15

10:00 am-12:20 am

1 stop19h 20m

$590

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

How to get the cheapest flight ticket from Maine to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

In general, November is the cheapest month to fly from Maine to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $640. If you are unable to visit Lisbon during the month of November, then departing from Maine during the month February is also very affordable. Most momondo users find prices during this month for around $644.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $785. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Maine to Lisbon for around $884.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is at noon when flights can be purchased for as low as $351. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $836 on average. Flights to Lisbon from Maine in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $776 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Maine for as low as $704 on momondo.

Cheap Maine to Lisbon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Lisbon

Fastest flight time

6h 20m

Direct flights

Every day

Airports in Lisbon

1 airport
The fastest flight from Maine to Lisbon takes 6h 20m
Direct flights go from Maine to Lisbon every day.
There is 1 airport in Lisbon. From Maine there are direct flights to Lisbon Humberto Delgado (LIS).
Search flight deals

  • When did momondo last update prices for flights from Maine to Lisbon Humberto Delgado Airport?

    Prices for flights from Maine to Lisbon Humberto Delgado Airport are updated daily.

  • How many operators does momondo search for flights from Maine to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Maine to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Maine to Lisbon

Compare and see reviews for airlines that fly from Maine to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Ericeira
Fátima
Nazaré
Oeiras
Setúbal
Peniche
Estoril
Leiria
Sesimbra
Tomar
Almada
Evora
Figueira da Foz
Zambujeira do Mar
Batalha
Comporta
Torres Vedras
Sines
Óbidos

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Lisbon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maine to Lisbon for you.

Can I find flights from Maine to Lisbon with flexible booking policies on momondo?

Yes. All flights to Lisbon from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Maine to Lisbon?

Once you have performed a search for Maine to Lisbon flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Maine to Lisbon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Maine to Lisbon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lisbon and let you know when they change.

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