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Cheap flights from Maine to Lisbon from $316

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 8/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maine to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
6:05 pm - 5:40 amBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
6h 35mnonstop
TAP AIR PORTUGAL Logo
5:00 pm - 7:55 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
7h 55mnonstop
$641TAP AIR PORTUGAL
Tue, Oct 13 - Sun, Nov 15
Multiple Airlines Logo
10:45 pm - 10:20 amBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
6h 35mnonstop
Multiple Airlines Logo
9:40 pm - 9:05 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
28h 25m2 stops Malaga Barcelona-El Prat
$641Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Icelandair Logo
7:50 pm - 12:50 pmBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:40 am - 5:50 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
11h 10m1 stop Reykjavik Keflavik Intl
$642Icelandair
Mon, Nov 30 - Tue, Dec 22
Icelandair Logo
7:50 pm - 12:50 pmBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
12h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:40 am - 5:50 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
11h 10m1 stop Reykjavik Keflavik Intl
$642Icelandair
Wed, Dec 2 - Tue, Dec 22
TAP AIR PORTUGAL Logo
6:05 pm - 5:40 amBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
6h 35mnonstop
TAP AIR PORTUGAL Logo
5:40 pm - 8:20 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
7h 40mnonstop
$642TAP AIR PORTUGAL
Tue, Oct 6 - Thu, Oct 15
Multiple Airlines Logo
8:50 pm - 8:10 pmBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
18h 20m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
2:00 pm - 9:45 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
12h 45m1 stop Barcelona-El Prat
$642Multiple Airlines
Sat, Sep 26 - Sun, Oct 18
LEVEL Logo
10:55 pm - 8:35 pmBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
16h 40m1 stop Barcelona-El Prat
LEVEL Logo
7:10 pm - 9:05 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
30h 55m1 stop Barcelona-El Prat
$645LEVEL
Thu, Sep 24 - Tue, Sep 29
Iberia Logo
5:30 pm - 9:05 amBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
10h 35m1 stop Philadelphia
Iberia Logo
8:20 am - 6:25 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
15h 05m1 stop Madrid Barajas
$648Iberia
Sat, Feb 6 - Mon, Feb 15
Iberia Logo
7:35 pm - 10:05 amBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
9h 30m1 stop Philadelphia
Iberia Logo
7:45 am - 6:00 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
15h 15m1 stop Madrid Barajas
$648Iberia
Sat, Oct 24 - Sun, Nov 1
LEVEL Logo
10:55 pm - 8:35 pmBOS  Boston Logan Intl-LIS Lisbon Humberto Delgado
16h 40m1 stop Barcelona-El Prat
LEVEL Logo
9:10 am - 9:05 pmLIS  Lisbon Humberto Delgado-BOS Boston Logan Intl
16h 55m1 stop Barcelona-El Prat
$656LEVEL
Wed, Sep 23 - Wed, Oct 14

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TAP AIR PORTUGAL flights from Maine to Lisbon

Our best TAP AIR PORTUGAL deals on Maine to Lisbon flight tickets
TAP AIR PORTUGAL
Oct 13
BOS6:05 pmBoston Logan Intl
6h 35m
LIS5:40 amLisbon Humberto Delgado
Nov 15
LIS5:00 pmLisbon Humberto Delgado
7h 55m
BOS7:55 pmBoston Logan Intl
$641
TAP AIR PORTUGAL
Oct 6
BOS10:45 pmBoston Logan Intl
6h 35m
LIS10:20 amLisbon Humberto Delgado
Oct 22
LIS5:40 pmLisbon Humberto Delgado
7h 40m
BOS8:20 pmBoston Logan Intl
$642
TAP AIR PORTUGAL
Nov 5
BOS10:10 pmBoston Logan Intl
6h 35m
LIS9:45 amLisbon Humberto Delgado
Nov 10
LIS11:40 amLisbon Humberto Delgado
8h 00m
BOS2:40 pmBoston Logan Intl
$653

Icelandair flights from Maine to Lisbon

Our best Icelandair deals on Maine to Lisbon flight tickets
Icelandair
Nov 9
BOS7:50 pmBoston Logan Intl
12h 00m
1 stop
LIS12:50 pmLisbon Humberto Delgado
Nov 22
LIS2:00 pmLisbon Humberto Delgado
32h 50m
1 stop
BOS5:50 pmBoston Logan Intl
$644
Icelandair
Aug 26
BOS11:00 pmBoston Logan Intl
17h 20m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Sep 3
LIS10:20 pmLisbon Humberto Delgado
25h 30m
1 stop
BOS6:50 pmBoston Logan Intl
$646
Icelandair
Aug 26
BOS11:00 pmBoston Logan Intl
17h 20m
1 stop
LIS9:20 pmLisbon Humberto Delgado
Sep 3
LIS10:20 pmLisbon Humberto Delgado
25h 30m
1 stop
BOS6:50 pmBoston Logan Intl
$659

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 August 12, 2026.
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

Cheapest round-trip

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Tue 10/13

6:05 pm-5:40 am

Nonstop6h 35m

Lisbon Humberto Delgado

Sun 11/15

5:00 pm-7:55 pm

Nonstop7h 55m

$641

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Wed 10/14

10:45 pm-10:20 am

Nonstop6h 35m

Lisbon Humberto Delgado

Tue 10/20

9:40 pm-9:05 pm

2 stops28h 25m

$641

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Mon 11/30

7:50 pm-12:50 pm

1 stop12h 00m

Lisbon Humberto Delgado

Tue 12/22

11:40 am-5:50 pm

1 stop11h 10m

$642

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Wed 12/2

7:50 pm-12:50 pm

1 stop12h 00m

Lisbon Humberto Delgado

Tue 12/22

11:40 am-5:50 pm

1 stop11h 10m

$642
Quickest round-trip

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Tue 10/6

6:05 pm-5:40 am

Nonstop6h 35m

Lisbon Humberto Delgado

Thu 10/15

5:40 pm-8:20 pm

Nonstop7h 40m

$642

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sat 9/26

8:50 pm-8:10 pm

2 stops18h 20m

Lisbon Humberto Delgado

Sun 10/18

2:00 pm-9:45 pm

1 stop12h 45m

$642

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Thu 9/24

10:55 pm-8:35 pm

1 stop16h 40m

Lisbon Humberto Delgado

Tue 9/29

7:10 pm-9:05 pm

1 stop30h 55m

$645

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sat 2/6

5:30 pm-9:05 am

1 stop10h 35m

Lisbon Humberto Delgado

Mon 2/15

8:20 am-6:25 pm

1 stop15h 05m

$648

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sat 10/24

7:35 pm-10:05 am

1 stop9h 30m

Lisbon Humberto Delgado

Sun 11/1

7:45 am-6:00 pm

1 stop15h 15m

$648

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Wed 9/23

10:55 pm-8:35 pm

1 stop16h 40m

Lisbon Humberto Delgado

Wed 10/14

9:10 am-9:05 pm

1 stop16h 55m

$656

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, June 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 $0. If you are unable to visit Lisbon during the month of June, then departing from Maine during the month May is also very affordable. Most momondo users find prices during this month for around $0.

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

Frequently asked questions about flying from Maine to Lisbon

  • 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 $550Free CancellationRating
7.4
10,104 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
Fátima
Figueira da Foz
Setúbal
Nazaré
Estoril
Evora
Ericeira
Peniche
Óbidos
Tomar
Batalha
Leiria
Oeiras
Sesimbra
Zambujeira do Mar
Torres Vedras
Comporta
Sines
Caldas da Rainha

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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