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$511+ Cheap flights from Honolulu (HNL) to Porto (OPO)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — OPO
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Honolulu to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Honolulu (HNL) 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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$511
(American Airlines)
Provider with most accurate pricing for Honolulu-Porto flight deals.
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Provider most trusted by Cheapflights users for Honolulu-Porto flights.
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From Honolulu to Porto
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Find flight deals from Honolulu to Porto

Cheapest flights from Honolulu to Porto
Explore the most affordable flight options available from Honolulu to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 1/317:50 pmHNL - OPO
2 stops25h 50mAmerican Airlines
Sun 2/88:20 amOPO - HNL
2 stops24h 23mAmerican Airlines
Deal found 1/7$511
This United Airlines deal was found by Cheapflights users on 1/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:05 pmHNL - OPO
2 stops31h 25mUnited Airlines
Mon 3/2312:30 pmOPO - HNL
2 stops59h 33mUnited Airlines
Deal found 1/6$541
This Ovago deal was found by Cheapflights users on 1/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:46 pmHNL - OPO
2 stops32h 44mScandinavian Airlines
Tue 3/2411:15 amOPO - HNL
2 stops37h 01mScandinavian Airlines
Deal found 1/5$565
This United Airlines deal was found by Cheapflights users on 1/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:05 pmHNL - OPO
2 stops31h 35mUnited Airlines
Thu 2/126:00 amOPO - HNL
2 stops42h 13mUnited Airlines
Deal found 1/6$574
This United Airlines deal was found by Cheapflights users on 1/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:50 pmHNL - OPO
2 stops25h 40mUnited Airlines
Mon 3/2312:30 pmOPO - HNL
2 stops41h 51mUnited Airlines
Deal found 1/6$589
This KAYAK deal was found by Cheapflights users on 1/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 amHNL - OPO
2 stops24h 45mBritish Airways
Sun 3/228:05 pmOPO - HNL
2 stops49h 09mBritish Airways
Deal found 1/6$625
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:51 pmHNL - OPO
2 stops33h 44mBritish Airways
Sun 3/228:05 pmOPO - HNL
2 stops34h 16mBritish Airways
Deal found 1/7$666
This KAYAK deal was found by Cheapflights users on 1/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/162:55 pmHNL - OPO
1 stop32h 35mLufthansa
Tue 3/246:00 amOPO - HNL
2 stops42h 03mLufthansa
Deal found 1/5$672
This United Airlines deal was found by Cheapflights users on 1/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:05 pmHNL - OPO
2 stops30h 25mUnited Airlines
Sun 3/226:00 amOPO - HNL
2 stops41h 13mUnited Airlines
Deal found 1/7$673
This Cheapflightsfares deal was found by Cheapflights users on 1/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:34 pmHNL - OPO
2 stops39h 01mBritish Airways
Sat 5/238:00 pmOPO - HNL
2 stops35h 44mBritish Airways
Deal found 1/5$689
This KAYAK deal was found by Cheapflights users on 1/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:05 pmHNL - OPO
2 stops32h 35mLufthansa
Sun 3/226:00 amOPO - HNL
2 stops41h 13mLufthansa
Deal found 1/7$709
This Iberia deal was found by Cheapflights users on 1/6. 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 1/307:00 amHNL - OPO
2 stops23h 00mIberia
Tue 2/38:40 pmOPO - HNL
2 stops36h 03mIberia
Deal found 1/6$750

Cheapflights Fare Finder

 
Customize your flight search to find flights from Honolulu 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 January 8, 2026.
Use the filters below to find and compare flights from Honolulu to Porto that are best for you.

Fly from

Honolulu

Fly to

Porto

Route

Depart

Return

Price

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sat 1/31

7:50 pm-7:40 am

2 stops25h 50m

Porto

Sun 2/8

8:20 am-10:43 pm

2 stops24h 23m

$511

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 3/16

4:05 pm-9:30 am

2 stops31h 25m

Porto

Mon 3/23

12:30 pm-2:03 pm

2 stops59h 33m

$541

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 3/16

3:46 pm-10:30 am

2 stops32h 44m

Porto

Tue 3/24

11:15 am-2:16 pm

2 stops37h 01m

$565

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 2/5

6:05 pm-11:40 am

2 stops31h 35m

Porto

Thu 2/12

6:00 am-2:13 pm

2 stops42h 13m

$574

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 3/15

9:50 pm-9:30 am

2 stops25h 40m

Porto

Mon 3/23

12:30 pm-8:21 pm

2 stops41h 51m

$589

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 3/17

7:00 am-5:45 pm

2 stops24h 45m

Porto

Sun 3/22

8:05 pm-11:14 am

2 stops49h 09m

$625

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 3/16

2:55 pm-9:30 am

1 stop32h 35m

Porto

Tue 3/24

6:00 am-2:03 pm

2 stops42h 03m

$672

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 3/15

5:05 pm-9:30 am

2 stops30h 25m

Porto

Sun 3/22

6:00 am-1:13 pm

2 stops41h 13m

$673

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

6:34 pm-8:35 pm

2 stops39h 01m

Porto

Sat 5/23

8:00 pm-8:44 pm

2 stops35h 44m

$689

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 3/15

5:05 pm-11:40 am

2 stops32h 35m

Porto

Sun 3/22

6:00 am-1:13 pm

2 stops41h 13m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 11 results
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Compare providers for flights from Honolulu to Porto

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 Honolulu to Porto in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Honolulu-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Honolulu-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Honolulu-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Honolulu-Porto 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 Honolulu-Porto 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 Honolulu to Porto

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

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 January 8, 2026.
Read reviews from past customers who have flown United Airlines from Honolulu to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,139 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,139 reviews
United Airlines
7.4
Good
9,139 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Honolulu to Porto. 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 Honolulu to Porto?

    Airlines like American Airlines, United Airlines, and Scandinavian Airlines fly from Honolulu to Porto in about 25h 50m. The time it takes to get you to your destination can typically vary by up to 6h 54m. Honolulu and Porto are separated by a distance of 7680 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Honolulu to Porto round-trip?

    Our cheapest airline available from Honolulu to Porto is United Airlines. Our recent data shows that you can find tickets from as low as $662 on this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Honolulu 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.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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Top airline flying from Honolulu to Porto

Discover the top airline that operate flights from Honolulu 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 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$662Average$1,311FlexibilityNo cancel feeOn-time69%

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