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$404+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — OPO
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
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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 March 4, 2026.

This Gurufare deal was found by Cheapflights users on 2/28. 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.
Tue 10/139:55 pm
HNL
-
OPO
2 stops22h 05m
Lufthansa
Thu 10/226:20 am
OPO
-
HNL
2 stops24h 35m
Lufthansa
Deal found 2/28$601
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
HNL
-
OPO
2 stops39h 05m
British Airways
Tue 5/1212:25 pm
OPO
-
HNL
2 stops34h 58m
British Airways
Deal found 3/3$677
This Delta deal was found by Cheapflights users on 2/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
HNL
-
OPO
2 stops24h 20m
Delta
Fri 5/85:00 am
OPO
-
HNL
2 stops25h 49m
Delta
Deal found 2/27$753
This Air Canada deal was found by Cheapflights users on 2/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:55 pm
HNL
-
OPO
2 stops22h 05m
Air Canada
Wed 10/72:25 pm
OPO
-
HNL
2 stops40h 30m
Air Canada
Deal found 2/28$765
This BusinessClass deal was found by Cheapflights users on 2/28. 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.
Thu 7/239:55 pm
HNL
-
OPO
2 stops22h 15m
Lufthansa
Tue 7/2812:15 pm
OPO
-
HNL
2 stops43h 25m
Lufthansa
Deal found 2/28$957
This Ovago deal was found by Cheapflights users on 3/3. 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.
Fri 5/87:00 am
HNL
-
OPO
2 stops41h 25m
SWISS
Sat 5/238:40 am
OPO
-
HNL
2 stops23h 58m
SWISS
Deal found 3/3$958
This American Airlines deal was found by Cheapflights users on 3/1. 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 5/87:00 am
HNL
-
OPO
2 stops22h 00m
Multiple Airlines
Sat 5/238:40 pm
OPO
-
HNL
2 stops36h 31m
Multiple Airlines
Deal found 3/1$978
This United Airlines deal was found by Cheapflights users on 3/2. 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 3/56:05 pm
HNL
-
OPO
2 stops29h 25m
United Airlines
Mon 3/912:30 pm
OPO
-
HNL
2 stops43h 28m
United Airlines
Deal found 3/2$1,000
This BusinessClass deal was found by Cheapflights users on 3/2. 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 5/87:30 am
HNL
-
OPO
2 stops25h 30m
Iberia
Sat 5/238:40 pm
OPO
-
HNL
2 stops36h 31m
Iberia
Deal found 3/2$1,017

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 March 4, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$677
(Gotogate)

One-way from

$404
(Kiwi.com)
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 March 4, 2026.
Use the filters below to find and compare flights from Honolulu to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 4/14

7:00 am-9:05 am

2 stops39h 05m

Porto

Tue 5/12

12:25 pm-12:23 pm

2 stops34h 58m

$677

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 4/14

7:00 am-6:20 pm

2 stops24h 20m

Porto

Fri 5/8

5:00 am-7:49 pm

2 stops25h 49m

$753

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

3:01 pm-7:40 am

2 stops29h 39m

Porto

Sat 5/23

8:40 pm-11:46 pm

2 stops38h 06m

$958

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

7:00 am-11:25 am

2 stops41h 25m

Porto

Sat 5/23

8:40 am-9:38 pm

2 stops23h 58m

$958

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

7:30 am-8:00 pm

2 stops25h 30m

Porto

Sat 5/23

8:40 pm-10:11 pm

2 stops36h 31m

$1,017

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 4/14

10:05 pm-9:45 am

2 stops24h 40m

Porto

Tue 5/12

6:00 am-10:04 pm

3 stops27h 04m

$1,141

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 4/14

11:23 pm-9:45 am

2 stops23h 22m

Porto

Fri 5/8

6:00 am-10:04 pm

3 stops27h 04m

$1,232

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 5/26

8:34 pm-9:20 pm

2 stops37h 46m

Porto

Sat 5/30

10:00 pm-10:24 pm

2 stops35h 24m

$1,386

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 7/23

9:55 pm-7:00 am

2 stops46h 05m

Porto

Tue 7/28

9:00 am-8:55 pm

3 stops46h 55m

$1,733

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 5/26

9:55 pm-5:00 pm

3 stops32h 05m

Porto

Sat 5/30

9:15 pm-8:40 pm

3 stops34h 25m

$1,811

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/28

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Honolulu-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Honolulu-Porto flight deals on Cheapflights vs. AranGrant 90-95% 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 AranGrant the most. AranGrant 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 March 4, 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
9,382 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

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
9,382 reviews
United Airlines
7.4
Good
9,382 reviews

Food

6.6

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

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 British Airways, Delta, and SWISS fly from Honolulu to Porto in about 24h 20m. The time it takes to get you to your destination can typically vary by up to 17h 05m. 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

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Alternative routes for Honolulu 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 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$588Average$1,145FlexibilityNo cancel feeOn-time69%

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