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Cheap flights from Portland (PWM) to Porto (OPO) from $738

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. 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.
PWM — OPO
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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Cheap flight deals from Portland to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 April 28, 2024.

Round-trip from

$523
From Portland to Porto
Search Deals

When is the cheapest time to fly from Portland, Maine to Porto (PWM - OPO)?

When flying from Portland, 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.

Cheap United Airlines flights from Portland to Porto

Explore cheap flight options specifically provided by United Airlines for the route between Portland and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Portland to Porto. Be sure to come back soon if the deals available don't appeal to you at this time.
Fri 10/255:00 pmPWM - OPO
1 stop11h 45mUnited Airlines
Wed 11/66:00 amOPO - PWM
2 stops16h 30mUnited Airlines
Deal found 4/27$808
Fri 10/256:05 amPWM - OPO
2 stops22h 40mUnited Airlines
Wed 11/66:00 amOPO - PWM
2 stops22h 56mUnited Airlines
Deal found 4/27$812
Sun 7/283:50 pmPWM - OPO
1 stop10h 05mUnited Airlines
Sun 8/412:35 pmOPO - PWM
1 stop10h 51mUnited Airlines
Deal found 4/26$1,398
Sat 7/273:50 pmPWM - OPO
1 stop10h 05mUnited Airlines
Sun 8/412:35 pmOPO - PWM
1 stop10h 51mUnited Airlines
Deal found 4/26$1,448
Fri 7/263:51 pmPWM - OPO
1 stop10h 04mUnited Airlines
Sun 8/412:35 pmOPO - PWM
1 stop10h 51mUnited Airlines
Deal found 4/26$1,978
Sat 7/273:50 pmPWM - OPO
1 stop10h 05mUnited Airlines
Sun 8/412:35 pmOPO - PWM
2 stops26h 57mUnited Airlines
Deal found 4/26$4,062

Cheap American Airlines flights from Portland to Porto

Explore cheap flight options specifically provided by American Airlines for the route between Portland and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Browse through some of the cheapest American Airlines flights traveling from Portland to Porto. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 10/257:30 amPWM - OPO
2 stops23h 10mAmerican Airlines
Wed 11/612:25 pmOPO - PWM
3 stops33h 17mAmerican Airlines
Deal found 4/27$1,239
Sat 7/2712:04 pmPWM - OPO
2 stops18h 36mAmerican Airlines
Sun 8/412:20 pmOPO - PWM
3 stops28h 31mAmerican Airlines
Deal found 4/26$2,470

Portland to Porto 2024 flight deals

Discover exclusive flight deals for travel between Portland and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from Portland to Porto in April and May 2024. Check back soon for alternative fares.
Thu 11/149:34 amPWM - OPO
2 stops21h 01mUnited Airlines
Mon 11/1812:30 pmOPO - PWM
2 stops40h 26mUnited Airlines
Deal found 4/26$738
Thu 11/142:35 pmPWM - OPO
2 stops19h 50mDelta
Mon 11/1811:15 amOPO - PWM
2 stops40h 51mDelta
Deal found 4/27$742
Fri 10/255:00 pmPWM - OPO
1 stop11h 45mUnited Airlines
Wed 11/66:00 amOPO - PWM
2 stops16h 30mUnited Airlines
Deal found 4/27$808
Fri 10/256:05 amPWM - OPO
2 stops22h 40mUnited Airlines
Wed 11/66:00 amOPO - PWM
2 stops22h 56mUnited Airlines
Deal found 4/27$812
Sat 7/277:40 pmPWM - OPO
2 stops39h 10mTurkish Airlines
Sun 8/412:15 pmOPO - PWM
2 stops25h 34mTurkish Airlines
Deal found 4/26$1,149
Fri 7/265:05 amPWM - OPO
2 stops24h 35mDelta
Sun 8/49:15 amOPO - PWM
2 stops19h 59mDelta
Deal found 4/26$1,186
Fri 10/257:30 amPWM - OPO
2 stops23h 10mAmerican Airlines
Wed 11/612:25 pmOPO - PWM
3 stops33h 17mAmerican Airlines
Deal found 4/27$1,239
Sun 7/283:50 pmPWM - OPO
1 stop10h 05mUnited Airlines
Sun 8/412:35 pmOPO - PWM
1 stop10h 51mUnited Airlines
Deal found 4/26$1,398
Sat 7/273:50 pmPWM - OPO
1 stop10h 05mUnited Airlines
Sun 8/412:35 pmOPO - PWM
1 stop10h 51mUnited Airlines
Deal found 4/26$1,448

Find flights from Portland to Porto within your budget

Customize your flight search to find flights from Portland 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 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$808 - $1,714

Route

Depart

Return

Price

PortlandPorto

PWM - OPO

PWMOPO

Portland

Fri 10/25

1 stop11h 45m

Porto

Wed 11/6

2 stops16h 30m

$808

PortlandPorto

PWM - OPO

PWMOPO

Portland

Fri 10/25

2 stops22h 40m

Porto

Wed 11/6

2 stops22h 56m

$812

PortlandPorto

PWM - OPO

PWMOPO

Portland

Sat 7/27

2 stops39h 10m

Porto

Sun 8/4

2 stops25h 34m

$1,149

PortlandPorto

PWM - OPO

PWMOPO

Portland

Fri 7/26

2 stops24h 35m

Porto

Sun 8/4

2 stops19h 59m

$1,186

PortlandPorto

PWM - OPO

PWMOPO

Portland

Fri 10/25

2 stops23h 10m

Porto

Wed 11/6

3 stops33h 17m

$1,239

PortlandPorto

PWM - OPO

PWMOPO

Portland

Sun 7/28

1 stop10h 05m

Porto

Sun 8/4

1 stop10h 51m

$1,398

PortlandPorto

PWM - OPO

PWMOPO

Portland

Sat 7/27

1 stop10h 05m

Porto

Sun 8/4

1 stop10h 51m

$1,448

PortlandPorto

PWM - OPO

PWMOPO

Portland

Sun 7/28

2 stops15h 32m

Porto

Sun 8/4

2 stops19h 59m

$1,511

PortlandPorto

PWM - OPO

PWMOPO

Portland

Fri 10/25

3 stops19h 15m

Porto

Wed 11/6

3 stops19h 22m

$1,714

Flights are sorted by cheapest first

Deals found on 4/27

No data available for this route at this time. Please check back soon.

Average price of flights to Porto by month

Plan your trip from Portland to Porto by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to Porto is currently $0 while a round-trip flight costs $1,252. Price data was last updated on April 21, 2024.

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Porto (average of $523). Flying from Portland, Maine to Porto in June is currently the most expensive (average of $1,027). 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.

January

$523

February

$581

March

$599

April

$742

May

$888

June

$1,027

July

$980

August

$869

September

$760

October

$694

November

$554

December

$643

Temperature and rainfall in Porto by month

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

OPO

Temperature

48.2 - 68 °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 April 28, 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Air Canada from Portland to Porto to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Turkish Airlines
7.5
Good
3,696 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,875 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,868 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

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

  • Can I find flights from Portland, Maine to Porto for under $900 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to Porto for under $900. The cheapest flight booked recently is on United Airlines for just $808, but on average you can expect to pay $1,880.

  • What are the cheapest airlines flying from Portland, Maine to Porto round-trip?

    According to our current data, United Airlines ($808), Turkish Airlines ($1,149), and Delta ($1,186) offers the cheapest pricing from Portland, Maine to Porto.

  • What does PWM to OPO mean?

    Portland Airport is PWM and Porto Airport is OPO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Portland to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland 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.

  • Can I find deals for flights from Portland to Porto that allow pets onboard?

    Many airlines flying from Portland to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Porto?

    Yes, you can often find last-minute deals on Portland to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to Porto flight deals updated?

    The Portland, Maine to Porto flight deals you see on this page were last updated on 4/27.

See more FAQs

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Alternative routes for Portland to Porto
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Portland to Porto

Discover the top airline that operate flights from Portland to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,029Average$1,608FlexibilityNo cancel feeOn-time69%
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Search flights from Portland to Porto by cabin class

Find flights from Portland to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Porto?

Deals for Portland to Porto flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Portland to Porto?

Cheapflights simply makes it quick and affordable to book flights from Portland to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portland to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portland to Porto become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from Portland today and book when prices fit your budget.

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