OPO

$204 Find Cheap Flights from Maine to Porto - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Porto departing on 12/9. 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
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Maine to Porto

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Maine to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Maine to Porto

Sun, Aug 9 - Sun, Dec 6
TAP AIR PORTUGAL Logo
10:40 pm - 5:00 pm
BOS
-
OPO
13h 20m
1 stop
TAP AIR PORTUGAL Logo
8:00 pm - 2:40 pm
OPO
-
BOS
23h 40m
1 stop
$646TAP AIR PORTUGAL
Sun, Oct 11 - Sun, Oct 18
TAP AIR PORTUGAL Logo
6:05 pm - 9:00 am
BOS
-
OPO
9h 55m
1 stop
TAP AIR PORTUGAL Logo
9:00 am - 2:40 pm
OPO
-
BOS
10h 40m
1 stop
$651TAP AIR PORTUGAL
Mon, Aug 24 - Tue, Sep 22
Multiple Airlines Logo
11:00 pm - 11:20 pm
BOS
-
OPO
19h 20m
2 stops
Multiple Airlines Logo
10:25 pm - 10:40 pm
OPO
-
BOS
29h 15m
3 stops
$658Multiple Airlines
Mon, Sep 14 - Wed, Oct 21
Multiple Airlines Logo
9:15 pm - 9:45 pm
BOS
-
OPO
19h 30m
1 stop
Multiple Airlines Logo
2:05 pm - 9:05 pm
OPO
-
BOS
12h 00m
1 stop
$658Multiple Airlines
Sat, Sep 26 - Sat, Jan 23
Azores Airlines Logo
9:15 pm - 11:40 am
BOS
-
OPO
9h 25m
1 stop
Azores Airlines Logo
12:40 pm - 8:00 pm
OPO
-
BOS
12h 20m
1 stop
$663Azores Airlines
Wed, Oct 28 - Wed, Nov 4
United Airlines Logo
1:29 pm - 9:30 am
BOS
-
OPO
16h 01m
2 stops
United Airlines Logo
12:35 pm - 2:32 pm
OPO
-
BOS
30h 57m
2 stops
$664United Airlines
Wed, Oct 28 - Wed, Nov 4
United Airlines Logo
12:00 pm - 9:30 am
BOS
-
OPO
17h 30m
1 stop
United Airlines Logo
12:35 pm - 9:34 am
OPO
-
BOS
25h 59m
2 stops
$664United Airlines
Tue, Nov 24 - Tue, Dec 1
Azores Airlines Logo
9:25 pm - 5:00 pm
BOS
-
OPO
14h 35m
2 stops
Azores Airlines Logo
2:10 pm - 8:00 pm
OPO
-
BOS
10h 50m
1 stop
$669Azores Airlines
Sat, Nov 14 - Fri, Nov 27
Delta Logo
8:45 pm - 9:05 am
BOS
-
OPO
31h 20m
1 stop
Delta Logo
5:00 am - 1:25 pm
OPO
-
BOS
13h 25m
1 stop
$670Delta
Wed, Nov 4 - Thu, Nov 12
Delta Logo
1:10 pm - 10:35 am
BOS
-
OPO
16h 25m
2 stops
Delta Logo
5:00 am - 6:27 pm
OPO
-
BOS
18h 27m
2 stops
$673Delta
Useful Info

Good to know

Low season

January

Cheapest flight

$204
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 32% increase in price.
Flight from Boston to Porto

FAQs for booking flights from Maine to Porto

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

    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 Porto.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto 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 Porto?

    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 Porto 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 Porto?

    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 Porto from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Porto (OPO)