HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$230+ Cheap flights from Honolulu (HNL) 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — OPO
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Honolulu to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/2410:55 pm
HNL
-
OPO
2 stops24h 35m
United Airlines
Tue 3/312:35 pm
OPO
-
HNL
2 stops34h 31m
United Airlines
Deal found 1/26$571
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/127:00 am
HNL
-
OPO
2 stops45h 45m
United Airlines
Thu 3/196:00 am
OPO
-
HNL
2 stops41h 13m
United Airlines
Deal found 1/26$738
This Gurufare deal was found by Cheapflights users on 1/26. 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.
Fri 5/87:00 am
HNL
-
OPO
2 stops29h 25m
Lufthansa
Sat 5/236:20 am
OPO
-
HNL
2 stops24h 24m
Lufthansa
Deal found 1/26$841
This Iberia deal was found by Cheapflights users on 1/27. 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 am
HNL
-
OPO
2 stops23h 00m
Iberia
Tue 2/38:40 pm
OPO
-
HNL
2 stops36h 03m
Iberia
Deal found 1/27$961
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 2/249:40 pm
HNL
-
OPO
2 stops28h 15m
Multiple Airlines
Tue 3/36:40 pm
OPO
-
HNL
1 stop30h 37m
Multiple Airlines
Deal found 1/26$1,069
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:24 pm
HNL
-
OPO
2 stops31h 06m
KLM
Fri 3/2011:20 am
OPO
-
HNL
2 stops43h 33m
KLM
Deal found 1/27$1,072
This BusinessClass deal was found by Cheapflights users on 1/27. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:30 pm
HNL
-
OPO
2 stops37h 55m
Lufthansa
Fri 3/2012:30 pm
OPO
-
HNL
2 stops43h 28m
Lufthansa
Deal found 1/27$1,197
This KAYAK deal was found by Cheapflights users on 1/27. 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 3/168:30 pm
HNL
-
OPO
2 stops35h 15m
British Airways
Fri 3/206:05 pm
OPO
-
HNL
2 stops51h 09m
British Airways
Deal found 1/27$1,217

Find 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$571
(United Airlines)

One-way from

$230
(Iberia)
Provider with most accurate pricing for Honolulu-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-Porto flights.
Search Deals
From Honolulu to Porto
Search Deals
One-way flight from Honolulu to Porto
Search Deals

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 28, 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

Tue 2/24

10:55 pm-9:30 am

2 stops24h 35m

Porto

Tue 3/3

12:35 pm-1:06 pm

2 stops34h 31m

$571

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 3/12

7:00 am-2:45 pm

2 stops45h 45m

Porto

Thu 3/19

6:00 am-1:13 pm

2 stops41h 13m

$738

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

7:00 am-11:25 pm

2 stops29h 25m

Porto

Sat 5/23

6:20 am-7:44 pm

2 stops24h 24m

$841

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 2/24

9:40 pm-11:55 am

2 stops28h 15m

Porto

Tue 3/3

6:40 pm-3:17 pm

1 stop30h 37m

$1,069

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 3/16

5:24 pm-10:30 am

2 stops31h 06m

Porto

Fri 3/20

11:20 am-8:53 pm

2 stops43h 33m

$1,072

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 3/16

8:30 pm-5:45 pm

2 stops35h 15m

Porto

Fri 3/20

6:05 pm-11:14 am

2 stops51h 09m

$1,217

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 4/28

7:00 am-7:30 pm

2 stops25h 30m

$230

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Wed 4/15

9:47 am-6:50 am

3 stops58h 03m

$411

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 4/13

9:45 pm-4:00 pm

2 stops31h 15m

$501

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 4/28

9:55 pm-11:00 pm

2 stops38h 05m

$2,931

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 Honolulu-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Honolulu-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 28, 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
9,209 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,209 reviews
United Airlines
7.4
Good
9,209 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 United Airlines and Lufthansa fly from Honolulu to Porto in about 24h 35m. The time it takes to get you to your destination can typically vary by up to 4h 50m. 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 $588 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$1,145FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights