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$1,045+ Cheap flights from Porto (OPO) to Honolulu (HNL)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — HNL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Porto to Honolulu

Cheapest flights from Porto to Honolulu
Explore the most affordable flight options available from Porto to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:40 pmOPO - HNL
2 stops26h 54mAmerican Airlines
Tue 12/307:50 pmHNL - OPO
2 stops38h 10mAmerican Airlines
Deal found 12/10$1,264
This Delta deal was found by Cheapflights users on 12/10. 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 12/2611:15 amOPO - HNL
2 stops62h 37mDelta
Tue 12/306:10 pmHNL - OPO
2 stops30h 20mDelta
Deal found 12/10$1,316
This Delta deal was found by Cheapflights users on 12/10. 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.
Sat 12/136:00 amOPO - HNL
2 stops64h 27mDelta
Wed 12/1711:23 pmHNL - OPO
2 stops49h 07mDelta
Deal found 12/10$1,919
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sat 12/136:35 pmOPO - HNL
1 stop30h 35mMultiple Airlines
Wed 12/179:36 pmHNL - OPO
2 stops51h 39mMultiple Airlines
Deal found 12/10$2,239
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Fri 12/261:40 pmOPO - HNL
2 stops32h 30mMultiple Airlines
Tue 12/303:47 pmHNL - OPO
1 stop34h 08mMultiple Airlines
Deal found 12/10$2,528

Find flight deals from Porto to Honolulu

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Honolulu (HNL). 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,045
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$1,585
Provider with most accurate pricing for Porto-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Honolulu flights.
Search Deals
From Porto to Honolulu
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Honolulu 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 12, 2025.
Use the filters below to find and compare flights from Porto to Honolulu that are best for you.

Fly from

Porto

Fly to

Honolulu

Route

Depart

Return

Price

PortoHonolulu

OPO - HNL

OPOHNL

Porto

Thu 2/26

12:30 pm-5:35 pm

2 stops39h 05m

Honolulu

Mon 3/2

8:30 pm-9:30 am

2 stops27h 00m

$1,045

PortoHonolulu

OPO - HNL

OPOHNL

Porto

Mon 4/6

6:00 am-1:42 pm

2 stops42h 42m

Honolulu

Sun 4/12

9:40 pm-9:45 am

2 stops25h 05m

$1,046

PortoHonolulu

OPO - HNL

OPOHNL

Porto

Thu 1/15

6:00 am-3:10 pm

2 stops43h 10m

Honolulu

Wed 1/28

3:55 pm-11:40 am

2 stops33h 45m

$1,050

PortoHonolulu

OPO - HNL

OPOHNL

Porto

Thu 1/15

6:35 pm-3:11 pm

1 stop30h 36m

Honolulu

Wed 1/28

9:38 pm-11:50 am

2 stops28h 12m

$1,198

PortoHonolulu

OPO - HNL

OPOHNL

Porto

Fri 12/26

8:40 pm-1:34 pm

2 stops26h 54m

Honolulu

Tue 12/30

7:50 pm-8:00 pm

2 stops38h 10m

$1,264

PortoHonolulu

OPO - HNL

OPOHNL

Porto

Fri 12/26

11:15 am-3:52 pm

2 stops62h 37m

Honolulu

Tue 12/30

6:10 pm-10:30 am

2 stops30h 20m

$1,316

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Porto to Honolulu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Honolulu in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto-Honolulu flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto-Honolulu flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Porto-Honolulu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Honolulu flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Honolulu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Honolulu

Have a flexible travel schedule? Discover the best time to fly to Honolulu from Porto 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.

Cheapflights Insights

Everything you need to know about your flight from Porto to Honolulu

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

Currently, February is the cheapest month in which you can book a flight from Porto to Honolulu (average of $949). Flying from Porto to Honolulu in July is currently the most expensive (average of $1,343). 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.

How much does it cost to fly round-trip from Porto to Honolulu?

Related info for your journey

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

  • How long is the flight from Porto to Honolulu?

    For as low as $1,045, United Airlines can have you in Honolulu from Porto in 39h 05m. The distance from Porto to Honolulu is about 7680 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Honolulu 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 Porto to Honolulu?

    Currently, February is the cheapest month in which you can book a flight from Porto to Honolulu (average of $949). Flying from Porto to Honolulu in July is currently the most expensive (average of $1,343). 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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