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$836+ Cheap flights from Hawaii 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — OPO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Hawaii to Porto

Keep the following information in mind while searching for Hawaii to Porto flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$842
(United)
Provider with most accurate pricing for Honolulu-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-Porto flights.
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From Hawaii to Porto
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Find flight deals from Hawaii to Porto

Cheapest flights from Hawaii to Porto
Explore the most affordable flight options available from Hawaii to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:35 pmHNL - OPO
2 stops49h 10mMultiple Airlines
Sun 10/194:35 pmOPO - HNL
2 stops39h 21mMultiple Airlines
Deal found 4/2$836
This United deal was found by Cheapflights users on 4/1. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/47:50 pmHNL - OPO
2 stops28h 25mUnited Airlines
Sun 5/116:00 amOPO - HNL
2 stops25h 00mUnited Airlines
Deal found 4/1$842
This Gurufare deal was found by Cheapflights users on 3/31. 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.
Sun 10/1210:05 pmHNL - OPO
2 stops37h 45mLufthansa
Sun 10/194:35 pmOPO - HNL
2 stops39h 21mLufthansa
Deal found 3/31$1,001
This United Airlines deal was found by Cheapflights users on 3/31. 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 8/288:00 pmKOA - OPO
2 stops50h 35mUnited Airlines
Sun 9/1411:20 amOPO - KOA
2 stops39h 01mUnited Airlines
Deal found 3/31$1,354
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Thu 8/2811:00 pmKOA - OPO
3 stops31h 20mAir Canada
Sun 9/1411:20 amOPO - KOA
3 stops35h 21mAir Canada
Deal found 3/31$2,716

Cheapflights Fare Finder

Customize your flight search to find flights from Hawaii 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 2, 2025.
Use the filters below to find and compare flights from Hawaii to Porto that are best for you.

Fly from

Hawaii

Fly to

Porto

Route

Depart

Return

Price

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 5/4

7:50 pm-11:15 am

2 stops28h 25m

Porto

Sun 5/11

6:00 am-8:00 pm

2 stops25h 00m

$842

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Thu 8/28

8:00 pm-9:35 am

2 stops50h 35m

Porto

Sun 9/14

11:20 am-3:21 pm

2 stops39h 01m

$1,354

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sat 4/19

9:55 pm-3:40 pm

2 stops30h 45m

Porto

Sat 4/26

11:05 am-7:58 pm

2 stops43h 53m

$1,392

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Thu 8/28

11:00 pm-5:20 pm

3 stops31h 20m

Porto

Sun 9/14

11:20 am-11:41 am

3 stops35h 21m

$2,716

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 5/4

6:20 am-7:55 pm

2 stops26h 35m

Porto

Sun 5/11

8:15 am-11:56 pm

3 stops26h 41m

$4,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Best time to book a flight from Hawaii to Porto

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

Cheapflights Insights

Everything you need to know about your flight from Hawaii to Porto

What is the cheapest time of day to fly from HI to OPO?

Find hourly flight availability from Hawaii to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

When flying from Hawaii to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 2, 2025.
United Airlines
7.4
Good
8,615 reviews

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,615 reviews
United Airlines
7.4
Good
8,615 reviews

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
9,022 reviews
United Airlines
7.4
Good
8,615 reviews

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
6,963 reviews
United Airlines
7.4
Good
8,615 reviews

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Hawaii to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Hawaii?

    Porto (OPO) is the airport you will fly into if you book a flight from Hawaii to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hawaii 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.

  • What is the cheapest month to book a flight from Hawaii to Porto?

    Currently, January is the cheapest month in which you can book a flight from Hawaii to Porto (average of $523). Flying from Hawaii to Porto in June is currently the most expensive (average of $1,081). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Hawaii?

Book flights to Hawaii if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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