OPO

$395 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 7/23. 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

Tue, Oct 27 - Sat, Oct 31
Scandinavian Airlines Logo
6:35 pm - 11:05 am
BOS
-
OPO
12h 30m
1 stop
Scandinavian Airlines Logo
12:00 pm - 4:40 pm
OPO
-
BOS
32h 40m
1 stop
$696Scandinavian Airlines
Mon, Aug 31 - Mon, Sep 7
TAP AIR PORTUGAL Logo
10:45 pm - 5:00 pm
BOS
-
OPO
13h 15m
1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 8:20 pm
OPO
-
BOS
28h 05m
1 stop
$697TAP AIR PORTUGAL
Mon, Sep 28 - Tue, Oct 6
Iberia Logo
5:40 pm - 4:00 pm
BOS
-
OPO
17h 20m
1 stop
Iberia Logo
8:20 am - 7:50 pm
OPO
-
BOS
16h 30m
1 stop
$698Iberia
Sun, Nov 15 - Wed, Dec 2
Delta Logo
12:00 pm - 10:35 am
BOS
-
OPO
17h 35m
2 stops
Delta Logo
5:00 am - 5:48 pm
OPO
-
BOS
17h 48m
2 stops
$699Delta
Fri, Oct 30 - Fri, Nov 6
Delta Logo
5:00 pm - 8:05 am
BOS
-
OPO
11h 05m
1 stop
Delta Logo
11:30 am - 10:26 pm
OPO
-
BOS
15h 56m
2 stops
$700Delta
Thu, Oct 29 - Wed, Nov 4
Multiple Airlines Logo
8:45 pm - 8:05 am
BOS
-
OPO
31h 20m
1 stop
Multiple Airlines Logo
5:40 am - 2:29 pm
OPO
-
BOS
13h 49m
1 stop
$701Multiple Airlines
Mon, Sep 28 - Tue, Oct 6
American Airlines Logo
11:35 am - 7:40 am
BOS
-
OPO
15h 05m
2 stops
American Airlines Logo
8:20 am - 7:50 pm
OPO
-
BOS
16h 30m
1 stop
$702American Airlines
Fri, Oct 30 - Mon, Nov 2
Delta Logo
5:00 pm - 8:05 am
BOS
-
OPO
11h 05m
1 stop
Delta Logo
11:30 am - 4:20 pm
OPO
-
BOS
33h 50m
1 stop
$703Delta
Mon, Aug 31 - Tue, Sep 22
Multiple Airlines Logo
9:15 pm - 2:45 pm
BOS
-
OPO
12h 30m
1 stop
Multiple Airlines Logo
10:00 pm - 9:05 pm
OPO
-
BOS
28h 05m
1 stop
$704Multiple Airlines
Thu, Oct 29 - Thu, Nov 5
American Airlines Logo
3:31 pm - 11:45 am
BOS
-
OPO
16h 14m
2 stops
American Airlines Logo
8:20 am - 8:55 pm
OPO
-
BOS
17h 35m
2 stops
$705American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$395
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 31% 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.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Lamego
Guimarães
Pinhao
Chaves
Viseu
Esposende
Espinho
Arcos de Valdevez
Ponte de Lima
Baiao
Santa Maria da Feira
Caminha
Mira
Penafiel
Amares
Curia

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Porto (OPO)