$766+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — OPO
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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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
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Cheapest flights from Honolulu to PortoExplore 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 October 30, 2026.
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 October 30, 2026.
This Air France deal was found by Cheapflights users on 10/25. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
2 stops28h 55m
Fri 11/275:00 am -
2 stops25h 38m
Deal found 10/25![Multiple Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/911:30 pm -
2 stops29h 40m
Wed 12/1612:35 pm -
2 stops39h 51m
Deal found 10/25![United Airlines logo]()
$1,038
This Ovago deal was found by Cheapflights users on 10/29. 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.
Sun 12/1310:50 pm -
2 stops24h 40m
Sun 12/2012:30 pm -
2 stops34h 43m
Deal found 10/29![Multiple Airlines logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/134:25 pm -
1 stop31h 05m
Sun 12/2012:35 pm -
2 stops36h 18m
Deal found 10/29![United Airlines logo]()
$1,294
This United Airlines deal was found by Cheapflights users on 10/25. 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 10/259:50 pm -
2 stops25h 40m
Fri 11/2712:35 pm -
1 stop36h 20m
Deal found 10/25![United Airlines logo]()
$1,406
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/1110:50 pm -
2 stops48h 40m
Fri 12/1812:35 pm -
2 stops42h 06m
Deal found 10/26![United Airlines logo]()
$1,414
Best flights from Honolulu to PortoDiscover carefully curated flight deals from Honolulu to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Honolulu to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Air France deal was found by Cheapflights users on 10/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/239:35 pm -
2 stops27h 00m
Sat 2/275:00 am -
2 stops25h 24m
Deal found 10/26![Multiple Airlines logo]()
$766
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/238:00 am -
2 stops24h 30m
Sat 2/2712:35 pm -
1 stop36h 27m
Deal found 10/26![SWISS logo]()
$845
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/911:30 pm -
2 stops29h 40m
Wed 12/1612:35 pm -
2 stops39h 51m
Deal found 10/25![United Airlines logo]()
$1,038
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/244:35 pm -
1 stop30h 55m
Sat 2/2712:35 pm -
1 stop36h 27m
Deal found 10/26![Brussels Airlines logo]()
$1,183
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Sun 1/172:00 pm -
2 stops39h 25m
Thu 1/216:00 am -
2 stops25h 40m
Deal found 10/29![Air Canada logo]()
$1,198
This Air France deal was found by Cheapflights users on 10/26. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/247:00 am -
2 stops29h 00m
Sat 2/275:00 am -
2 stops22h 31m
Deal found 10/26![Multiple Airlines logo]()
$766
This Ovago deal was found by Cheapflights users on 10/29. 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.
Sun 12/1310:50 pm -
2 stops24h 40m
Sun 12/2012:30 pm -
2 stops34h 43m
Deal found 10/29![Multiple Airlines logo]()
$1,233
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/1110:50 pm -
2 stops48h 40m
Fri 12/1812:35 pm -
2 stops42h 06m
Deal found 10/26![United Airlines logo]()
$1,414
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 October 30, 2026.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $766 (Air France) |
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 7,457,451 searches. Data last updated October 30, 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
Cheapest round-trip
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Tue 2/23
9:35 pm-10:35 am
2 stops27h 00m
Porto
Sat 2/27
5:00 am-8:24 pm
2 stops25h 24m
$766
Quickest round-trip
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Wed 2/24
7:00 am-10:00 pm
2 stops29h 00m
Porto
Sat 2/27
5:00 am-5:31 pm
2 stops22h 31m
$766
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Tue 2/23
8:00 am-6:30 pm
2 stops24h 30m
Porto
Sat 2/27
12:35 pm-3:02 pm
1 stop36h 27m
$845
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Wed 12/9
11:30 pm-3:10 pm
2 stops29h 40m
Porto
Wed 12/16
12:35 pm-6:26 pm
2 stops39h 51m
$1,038
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Wed 2/24
4:35 pm-9:30 am
1 stop30h 55m
Porto
Sat 2/27
12:35 pm-3:02 pm
1 stop36h 27m
$1,183
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Sun 1/17
2:00 pm-3:25 pm
2 stops39h 25m
Porto
Thu 1/21
6:00 am-9:40 pm
2 stops25h 40m
$1,198
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Sun 12/13
10:50 pm-9:30 am
2 stops24h 40m
Porto
Sun 12/20
12:30 pm-1:13 pm
2 stops34h 43m
$1,233
HonoluluPorto
HNL Honolulu - OPO Porto
HNLOPO
Honolulu
Fri 12/11
10:50 pm-9:30 am
2 stops48h 40m
Porto
Fri 12/18
12:35 pm-8:41 pm
2 stops42h 06m
$1,414
Sorted by cheapest first
- 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 >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.
HNL-OPO
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 October 30, 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.
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Food
6.7
Comfort
7.3
Boarding
7.7
Overall
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Honolulu and Porto flights
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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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$588 | Average$693 | FlexibilityNo cancel fee | On-time69% |