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Cheap flights from Maine to Lisbon from $324

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 9/25. 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.
Multiple Airlines Logo
6:00 am - 8:45 pm
BOS
-
LIS
33h 45m
2 stops
Multiple Airlines Logo
10:30 pm - 6:07 pm
LIS
-
BOS
24h 37m
2 stops
$841Multiple Airlines
Tue, Jul 14 - Mon, Jul 20
Virgin Atlantic Logo
11:20 pm - 10:45 am
BOS
-
LIS
6h 25mnonstop
Virgin Atlantic Logo
12:45 pm - 3:15 pm
LIS
-
BOS
7h 30mnonstop
$842Virgin Atlantic
Sun, Aug 2 - Tue, Aug 11
Multiple Airlines Logo
10:40 am - 9:20 am
BOS
-
LIS
17h 40m
1 stop
Multiple Airlines Logo
8:25 am - 6:45 pm
LIS
-
BOS
15h 20m
2 stops
$843Multiple Airlines
Thu, Aug 20 - Mon, Aug 31
KLM Logo
11:20 pm - 10:45 am
BOS
-
LIS
6h 25mnonstop
KLM Logo
12:45 pm - 3:20 pm
LIS
-
BOS
7h 35mnonstop
$845KLM
Wed, Aug 19 - Tue, Sep 1
TAP AIR PORTUGAL Logo
10:45 pm - 10:20 am
BOS
-
LIS
6h 35mnonstop
TAP AIR PORTUGAL Logo
4:00 pm - 8:20 pm
LIS
-
BOS
9h 20m
1 stop
$846TAP AIR PORTUGAL
Wed, Aug 26 - Wed, Sep 9
British Airways Logo
7:25 am - 11:15 pm
BOS
-
LIS
10h 50m
1 stop
British Airways Logo
12:55 pm - 7:40 pm
LIS
-
BOS
11h 45m
1 stop
$847British Airways
Thu, Oct 8 - Thu, Nov 12
TAP AIR PORTUGAL Logo
10:40 pm - 10:15 am
BOS
-
LIS
6h 35mnonstop
TAP AIR PORTUGAL Logo
10:00 pm - 8:20 pm
LIS
-
BOS
27h 20m
1 stop
$848TAP AIR PORTUGAL
Sun, Sep 6 - Sat, Sep 26
KLM Logo
11:20 pm - 10:45 am
BOS
-
LIS
6h 25mnonstop
KLM Logo
12:45 pm - 3:15 pm
LIS
-
BOS
7h 30mnonstop
$849KLM
Sat, Aug 22 - Mon, Aug 31
Delta Logo
6:30 am - 8:50 am
PWM
-
LIS
21h 20m
2 stops
Delta Logo
5:00 am - 11:30 pm
LIS
-
PWM
23h 30m
2 stops
$879Delta
Mon, Aug 3 - Wed, Aug 19
Delta Logo
4:47 pm - 5:50 pm
PWM
-
LIS
20h 03m
2 stops
Delta Logo
5:00 am - 12:59 am
LIS
-
PWM
24h 59m
2 stops
$948Delta
Thu, Aug 13 - Thu, Aug 20

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United Airlines flights from Maine to Lisbon

Our best United Airlines deals on Maine to Lisbon flight tickets
United Airlines
Sep 2
BOS5:45 amBoston Logan Intl
22h 35m
1 stop
LIS9:20 amLisbon Humberto Delgado
Sep 11
LIS11:25 amLisbon Humberto Delgado
30h 22m
2 stops
BOS12:47 pmBoston Logan Intl
$853
United Airlines
Aug 14
BOS8:30 pmBoston Logan Intl
30h 50m
1 stop
LIS8:20 amLisbon Humberto Delgado
Aug 31
LIS11:25 amLisbon Humberto Delgado
27h 25m
1 stop
BOS9:50 amBoston Logan Intl
$855
United Airlines
Sep 25
BOS7:38 amBoston Logan Intl
20h 42m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 5
LIS11:25 amLisbon Humberto Delgado
28h 59m
2 stops
BOS11:24 amBoston Logan Intl
$857

Air Transat flights from Maine to Lisbon

Our best Air Transat deals on Maine to Lisbon flight tickets
Air Transat
Jul 8
BOS10:05 amBoston Logan Intl
18h 30m
1 stop
LIS9:35 amLisbon Humberto Delgado
Jul 16
LIS11:35 amLisbon Humberto Delgado
12h 00m
1 stop
BOS6:35 pmBoston Logan Intl
$854
Air Transat
Jul 8
BOS10:05 amBoston Logan Intl
18h 30m
1 stop
LIS9:35 amLisbon Humberto Delgado
Jul 14
LIS11:35 amLisbon Humberto Delgado
12h 00m
1 stop
BOS6:35 pmBoston Logan Intl
$860
Air Transat
Jul 11
BOS10:05 amBoston Logan Intl
18h 30m
1 stop
LIS9:35 amLisbon Humberto Delgado
Jul 21
LIS11:35 amLisbon Humberto Delgado
26h 30m
1 stop
BOS9:05 amBoston Logan Intl
$865

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 June 30, 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 - LIS

BOSLIS

Boston Logan Intl

Tue 7/14

6:00 am-8:45 pm

2 stops33h 45m

Lisbon Humberto Delgado

Mon 7/20

10:30 pm-6:07 pm

2 stops24h 37m

$841
Quickest round-trip

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 8/2

11:20 pm-10:45 am

Nonstop6h 25m

Lisbon Humberto Delgado

Tue 8/11

12:45 pm-3:15 pm

Nonstop7h 30m

$842

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 8/20

10:40 am-9:20 am

1 stop17h 40m

Lisbon Humberto Delgado

Mon 8/31

8:25 am-6:45 pm

2 stops15h 20m

$843

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 8/19

11:20 pm-10:45 am

Nonstop6h 25m

Lisbon Humberto Delgado

Tue 9/1

12:45 pm-3:20 pm

Nonstop7h 35m

$845

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 8/26

10:45 pm-10:20 am

Nonstop6h 35m

Lisbon Humberto Delgado

Wed 9/9

4:00 pm-8:20 pm

1 stop9h 20m

$846

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 10/8

7:25 am-11:15 pm

1 stop10h 50m

Lisbon Humberto Delgado

Thu 11/12

12:55 pm-7:40 pm

1 stop11h 45m

$847

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 9/6

10:40 pm-10:15 am

Nonstop6h 35m

Lisbon Humberto Delgado

Sat 9/26

10:00 pm-8:20 pm

1 stop27h 20m

$848

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 8/22

11:20 pm-10:45 am

Nonstop6h 25m

Lisbon Humberto Delgado

Mon 8/31

12:45 pm-3:15 pm

Nonstop7h 30m

$849

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Mon 8/3

6:30 am-8:50 am

2 stops21h 20m

Lisbon Humberto Delgado

Wed 8/19

5:00 am-11:30 pm

2 stops23h 30m

$879

PortlandLisbon

PWM - LIS

PWMLIS

Portland

Thu 8/13

4:47 pm-5:50 pm

2 stops20h 03m

Lisbon Humberto Delgado

Thu 8/20

5:00 am-12:59 am

2 stops24h 59m

$948

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
9,901 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
Setúbal
Figueira da Foz
Estoril
Peniche
Evora
Oeiras
Leiria
Batalha
Óbidos
Sesimbra
Zambujeira do Mar
Costa da Caparica
Tomar
Sines
Torres Vedras
Comporta

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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