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$235+ Cheap flights from Maine to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — OPO
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Maine to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Maine (USME) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$481
(Mytrip)

One-way from

$235
(Kiwi.com)
From Maine to Porto
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One-way flight from Maine to Porto
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Find flight deals from Maine to Porto

Cheapest flights from Maine to Porto
Explore the most affordable flight options available from Maine to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:20 pmBOS - OPO
1 stop9h 30mMultiple Airlines
Tue 1/77:05 pmOPO - BOS
2 stops50h 55mMultiple Airlines
Deal found 12/21$967
This Kiwi.com deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:20 pmBOS - OPO
1 stop9h 30mAzores Airlines
Tue 1/72:10 pmOPO - BOS
1 stop10h 55mAzores Airlines
Deal found 12/21$1,014
This Priceline deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:10 amBOS - OPO
2 stops24h 40mAir Canada
Tue 12/316:00 amOPO - BOS
2 stops32h 42mAir Canada
Deal found 12/22$1,318
This Gurufare deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:50 pmBOS - OPO
1 stop9h 10mTAP AIR PORTUGAL
Thu 1/29:00 amOPO - BOS
1 stop10h 25mTAP AIR PORTUGAL
Deal found 12/21$1,419
This Turkish Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:00 pmBOS - OPO
1 stop38h 25mTurkish Airlines
Tue 1/74:25 pmOPO - BOS
1 stop30h 40mTurkish Airlines
Deal found 12/21$1,581
This AranGrant deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:40 pmBOS - OPO
1 stop11h 10mLufthansa
Thu 1/96:00 amOPO - BOS
1 stop12h 25mLufthansa
Deal found 12/21$1,812
This Mytrip deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:00 amPWM - OPO
3 stops27h 15mMultiple Airlines
Thu 12/268:50 amOPO - PWM
2 stops19h 32mMultiple Airlines
Deal found 12/21$2,022
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:00 pmBOS - OPO
2 stops17h 25mDelta
Fri 1/311:45 amOPO - BOS
2 stops17h 06mDelta
Deal found 12/21$2,203
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:05 amPWM - OPO
2 stops23h 45mDelta
Thu 12/2611:45 amOPO - PWM
2 stops16h 37mDelta
Deal found 12/21$2,290
This Iberia deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/274:50 pmBOS - OPO
1 stop9h 50mIberia
Tue 1/712:25 pmOPO - BOS
2 stops15h 44mIberia
Deal found 12/21$2,392

Find flights from Maine to Porto within your budget

Customize your flight search to find flights from Maine to Porto 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, Cheapflights users made 2,558,603 searches. Data last updated December 22, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 2/4

11:25 pm-8:00 am

1 stop27h 35m

Porto

Tue 2/11

8:35 am-9:40 pm

1 stop18h 05m

$479

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 2/28

9:20 pm-11:50 am

1 stop9h 30m

Porto

Fri 3/7

9:55 pm-8:05 pm

1 stop27h 10m

$497

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 4/15

5:40 pm-11:15 am

1 stop12h 35m

Porto

Wed 4/23

12:05 pm-3:35 pm

1 stop32h 30m

$498

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 3/28

10:20 pm-11:50 am

1 stop9h 30m

Porto

Sat 4/5

10:00 pm-10:10 pm

1 stop29h 10m

$508

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 3/2

9:55 pm-6:30 pm

1 stop15h 35m

Porto

Tue 3/11

12:05 pm-9:20 pm

1 stop13h 15m

$509

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 1/19

10:50 pm-1:00 pm

1 stop9h 10m

Porto

Tue 1/28

6:00 pm-2:30 pm

1 stop25h 30m

$519

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 1/26

4:50 pm-7:40 am

1 stop9h 50m

Porto

Tue 2/4

8:35 am-9:40 pm

1 stop18h 05m

$531

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 2/2

11:48 am-7:40 am

2 stops14h 52m

Porto

Tue 2/11

8:20 am-8:39 pm

2 stops17h 19m

$543

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/10

3:40 pm-12:05 pm

2 stops15h 25m

Porto

Mon 2/24

12:55 pm-2:58 pm

2 stops31h 03m

$550

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 1/22

4:15 pm-3:15 pm

1 stop18h 00m

Porto

Mon 1/27

6:00 am-2:58 pm

2 stops37h 58m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 27 results
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Best time to book a flight from Maine to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Maine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Maine to Porto

Get recent, data-driven insights about flights from Maine to Porto including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from ME to OPO?

Find hourly flight availability from Maine to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2024.

When flying from Maine to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated December 22, 2024.
Get a feel of what it's like to fly with TAP AIR PORTUGAL, Delta and Azores Airlines from Maine to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,501 reviews
Delta
8.0
Very good
8,594 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Maine to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Maine?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Maine to Porto.

  • What are the cheapest airlines to fly from Maine to Porto one-way?

    One-way options have recently been found by users for as low as $235 on Vueling. Other airlines that offer cheap prices include Azores Airlines from $263 and KLM from $502 one-way.

  • Can I find deals for flights from Maine to Porto that include hotel bookings?

    Yes. In addition to deals on Maine to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maine to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maine to Porto.

  • Can I find deals for business class flights from Maine to Porto?

    Yes. Cheapflights offers flight deals from Maine to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Maine to Porto?

    Currently, January is the cheapest month in which you can book a flight from Maine to Porto (average of $523). Flying from Maine to Porto in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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