How does KAYAK find such low prices on flights from Hawaii to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hawaii to Porto. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hawaii to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Hawaii is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Hawaii to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Hawaii with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hawaii to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Hawaii up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$343 CHEAP FLIGHTS from Hawaii to Porto

OPO

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

...and more

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41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$694

United Airlines

Wed 2/4Sun 2/8

HNL - OPO • 2 stops

Cheapest one-way

$343

Multiple Airlines

Sat 1/24

HNL - OPO • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Porto!

Flight Deals

Cheap Flights from Hawaii to Porto

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Hawaii to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Hawaii to Porto

Wed, Feb 4 - Sun, Feb 8

10:50 pm - 2:45 pm

HNL

OPO

29h 55m2 stops

12:30 pm - 8:55 pm

OPO

HNL

42h 25m2 stops

$694United Airlines

Wed, Feb 4 - Sun, Feb 8

2:20 pm - 2:45 pm

KOA

OPO

38h 25m2 stops

12:30 pm - 2:44 pm

OPO

KOA

36h 14m2 stops

$710United Airlines

Wed, Feb 4 - Sun, Feb 8

3:59 pm - 2:45 pm

KOA

OPO

36h 46m2 stops

12:30 pm - 12:57 pm

OPO

KOA

58h 27m2 stops

$731United Airlines

Fri, May 8 - Sat, May 23

7:00 am - 6:30 pm

HNL

OPO

48h 30m2 stops

12:15 pm - 9:42 pm

OPO

HNL

44h 27m2 stops

$823SWISS

Fri, May 8 - Sat, May 23

7:00 am - 11:25 pm

HNL

OPO

29h 25m2 stops

7:20 pm - 9:42 pm

OPO

HNL

37h 22m2 stops

$850Multiple Airlines

Fri, May 8 - Sat, May 23

7:00 am - 6:30 pm

HNL

OPO

48h 30m2 stops

12:15 pm - 9:42 pm

OPO

HNL

44h 27m2 stops

$881SWISS

Useful Info

Low season	November
High season	July
Cheapest flight	$343

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 21% increase in price.

Flight from Honolulu to Porto

How does KAYAK find such low prices on flights from Hawaii to Porto?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hawaii to Porto.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hawaii to Porto?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Hawaii is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Hawaii to Porto?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Hawaii with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hawaii to Porto?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Hawaii up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lamego

Guimarães

Pinhao

Chaves

Esposende

Viseu

Arcos de Valdevez

Espinho

Ponte de Lima

Caminha

Baiao

Santa Maria da Feira

Mira

Penafiel

Amares

Curia

Everything you need to know for your flight to Porto

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$343 Find Cheap Flights from Hawaii to Porto

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

Everything you should know

Cheap Flights from Hawaii to Porto

Recent round-trip flight deals from Hawaii to Porto

Recent one-way flight deals from Hawaii to Porto

Good to know

FAQs for booking flights from Hawaii to Porto

How does KAYAK find such low prices on flights from Hawaii to Porto?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hawaii to Porto.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hawaii to Porto?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Hawaii is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Hawaii to Porto?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Hawaii with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hawaii to Porto?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Hawaii up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Porto?

Everything you need to know for your flight to Porto

Information on the airport you'll fly into in Porto

Cabin class types available on flights to Hawaii

Complete your trip to Porto with a hotel stay or car rental

Find direct flights for Porto

Flights to other popular destinations

Flights from domestic origins to Porto

Choose which airport to fly into in Porto

Find deals for your return flight