$640+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — OPO
May 30 — Jun 61
Round-trip
1 adult, Economy
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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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Best
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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 April 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 April 30, 2026.
This Air Canada deal was found by Cheapflights users on 4/30. 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 10/2510:00 pm
HNL
- OPO
2 stops31h 15m
Air Canada
Fri 11/276:15 am
OPO
- HNL
2 stops25h 18m
Air Canada
Deal found 4/30![Air Canada logo]()
$725
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/254:00 pm
HNL
- OPO
2 stops31h 30m
United Airlines
Fri 11/2712:35 pm
OPO
- HNL
2 stops36h 06m
United Airlines
Deal found 4/29![United Airlines logo]()
$731
This Ovago deal was found by Cheapflights users on 4/29. 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 10/259:50 pm
HNL
- OPO
2 stops25h 40m
Multiple Airlines
Fri 11/2712:35 pm
OPO
- HNL
1 stop35h 39m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$875
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
HNL
- OPO
2 stops24h 30m
SWISS
Sat 5/237:20 pm
OPO
- HNL
2 stops36h 30m
SWISS
Deal found 4/28![SWISS logo]()
$1,034
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
HNL
- OPO
2 stops28h 00m
Delta
Sat 5/235:00 am
OPO
- HNL
2 stops22h 43m
Delta
Deal found 4/29![Delta logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/29:40 pm
HNL
- OPO
2 stops25h 05m
United Airlines
Mon 8/109:00 am
OPO
- HNL
2 stops39h 28m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,048
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:32 pm
HNL
- OPO
1 stop31h 58m
KLM
Tue 6/26:15 am
OPO
- HNL
2 stops25h 56m
KLM
Deal found 4/28![KLM logo]()
$1,059
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:50 pm
HNL
- OPO
1 stop31h 40m
KLM
Mon 8/104:20 pm
OPO
- HNL
2 stops38h 01m
KLM
Deal found 4/29![KLM logo]()
$1,096
This Gotogate deal was found by Cheapflights users on 4/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:45 pm
HNL
- OPO
2 stops22h 15m
Multiple Airlines
Tue 6/168:40 am
OPO
- HNL
2 stops22h 50m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,123
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/31:00 pm
HNL
- OPO
2 stops30h 15m
United Airlines
Mon 8/109:00 am
OPO
- HNL
2 stops39h 34m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,156
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 April 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 April 30, 2026.
This KLM deal was found by Cheapflights users on 4/30. 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.
Sun 8/23:50 pm
HNL
- OPO
1 stop31h 40m
KLM
Mon 8/104:20 pm
OPO
- HNL
2 stops38h 01m
KLM
Deal found 4/30![KLM logo]()
$1,096
This Gotogate deal was found by Cheapflights users on 4/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:45 pm
HNL
- OPO
2 stops22h 15m
Multiple Airlines
Tue 6/168:40 am
OPO
- HNL
2 stops22h 50m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,123
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/27:55 pm
HNL
- OPO
2 stops24h 00m
United Airlines
Mon 8/109:00 am
OPO
- HNL
2 stops39h 28m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,156
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:50 pm
HNL
- OPO
1 stop31h 40m
KLM
Mon 8/104:20 pm
OPO
- HNL
2 stops38h 01m
KLM
Deal found 4/28![KLM logo]()
$1,121
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/31:00 pm
HNL
- OPO
2 stops30h 15m
United Airlines
Mon 8/109:00 am
OPO
- HNL
2 stops39h 34m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,156
Last-minute flights from Honolulu to PortoDiscover last-minute flight deals from Honolulu to Porto. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Honolulu to Porto. Data last updated April 30, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
HNL
- OPO
2 stops24h 30m
SWISS
Sat 5/237:20 pm
OPO
- HNL
2 stops36h 30m
SWISS
Deal found 4/28![SWISS logo]()
$1,034
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
HNL
- OPO
2 stops28h 00m
Delta
Sat 5/235:00 am
OPO
- HNL
2 stops22h 43m
Delta
Deal found 4/29![Delta logo]()
$1,038
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Fri 5/89:55 pm
HNL
- OPO
2 stops29h 10m
Multiple Airlines
Sat 5/2311:00 am
OPO
- HNL
3 stops35h 43m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,597
This Air Canada deal was found by Cheapflights users on 4/26. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:55 pm
HNL
- OPO
2 stops30h 50m
Air Canada
Sat 5/2311:00 am
OPO
- HNL
3 stops35h 43m
Air Canada
Deal found 4/26![Air Canada logo]()
$1,784
This Orbitz deal was found by Cheapflights users on 4/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:05 pm
HNL
- OPO
2 stops29h 40m
Multiple Airlines
Mon 6/17:20 pm
OPO
- HNL
2 stops36h 10m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,196
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:32 pm
HNL
- OPO
1 stop31h 58m
KLM
Tue 6/26:15 am
OPO
- HNL
2 stops25h 56m
KLM
Deal found 4/28![KLM logo]()
$1,059
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:30 pm
HNL
- OPO
2 stops26h 00m
Delta
Tue 6/25:00 am
OPO
- HNL
2 stops25h 46m
Delta
Deal found 4/28![Delta logo]()
$1,218
This Air France deal was found by Cheapflights users on 4/29. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:00 am
HNL
- OPO
2 stops28h 00m
Air France
Fri 6/55:55 am
OPO
- HNL
2 stops26h 16m
Air France
Deal found 4/29![Air France logo]()
$1,238
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:32 pm
HNL
- OPO
1 stop31h 48m
KLM
Fri 6/57:05 pm
OPO
- HNL
2 stops35h 41m
KLM
Deal found 4/29![KLM logo]()
$1,330
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:05 pm
HNL
- OPO
2 stops30h 40m
Multiple Airlines
Fri 6/58:05 am
OPO
- HNL
3 stops47h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,712
One-way flights from Honolulu to PortoSearch for one-way flight options from Honolulu to Porto. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Honolulu to Porto. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:55 pm
HNL
- OPO
3 stops33h 40m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$640
This Delta deal was found by Cheapflights users on 4/27. 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.
Mon 6/13:32 pm
HNL
- OPO
1 stop31h 58m
Delta
Deal found 4/27![Delta logo]()
$876
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/304:35 pm
HNL
- OPO
3 stops52h 25m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$2,317
This business-class.com deal was found by Cheapflights users on 4/26. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:16 am
HNL
- OPO
2 stops25h 09m
Lufthansa
Deal found 4/26![Lufthansa logo]()
$3,980
This KLM deal was found by Cheapflights users on 4/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:50 pm
HNL
- OPO
1 stop31h 40m
KLM
Deal found 4/26![KLM logo]()
$4,500
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 April 30, 2026.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $725 (Air Canada) |
One-way from | $640 (Kiwi.com) |
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 April 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 - OPO
HNLOPO
Honolulu
Sun 8/2
3:50 pm-10:30 am
1 stop31h 40m
Porto
Mon 8/10
4:20 pm-7:21 pm
2 stops38h 01m
$1,096
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Mon 8/3
3:50 pm-10:30 am
1 stop31h 40m
Porto
Mon 8/10
4:20 pm-7:21 pm
2 stops38h 01m
$1,121
Quickest round-trip
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Tue 6/9
9:45 pm-7:00 am
2 stops22h 15m
Porto
Tue 6/16
8:40 am-8:30 pm
2 stops22h 50m
$1,123
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Sun 8/2
7:55 pm-6:55 am
2 stops24h 00m
Porto
Mon 8/10
9:00 am-1:28 pm
2 stops39h 28m
$1,156
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Mon 8/3
1:00 pm-6:15 am
2 stops30h 15m
Porto
Mon 8/10
9:00 am-1:34 pm
2 stops39h 34m
$1,156
Cheapest one-way
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Mon 6/1
9:55 pm-6:35 pm
3 stops33h 40m
$640
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Mon 6/1
3:32 pm-10:30 am
1 stop31h 58m
$876
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Tue 6/30
4:35 pm-8:00 am
3 stops52h 25m
$2,317
Quickest one-way
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Tue 6/30
11:16 am-11:25 pm
2 stops25h 09m
$3,980
HonoluluPorto
HNL - OPO
HNLOPO
Honolulu
Tue 6/30
3:50 pm-10:30 am
1 stop31h 40m
$4,500
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 April 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.
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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
Aveiro
Arcos de Valdevez
Coimbra
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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 2,558,603 searches. Data last updated April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$588 | Average$1,145 | FlexibilityNo cancel fee | On-time69% |