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.

$334 CHEAP FLIGHTS from Hawaii to Porto

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Cheap Flights from Hawaii to Porto

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Hawaii to Porto

Sun, Oct 25 - Fri, Nov 27

4:50 pm - 10:35 am

HNL

OPO

31h 45m

2 stops

5:00 am - 8:55 pm

OPO

HNL

25h 55m

2 stops

$727Delta

Sun, Oct 25 - Fri, Nov 27

7:00 am - 10:00 pm

HNL

OPO

29h 00m

2 stops

5:00 am - 8:24 pm

OPO

HNL

25h 24m

2 stops

$727Delta

Sun, Nov 15 - Thu, Nov 19

4:55 pm - 9:30 am

HNL

OPO

30h 35m

2 stops

12:35 pm - 3:00 pm

OPO

HNL

36h 25m

1 stop

$880United Airlines

Fri, Sep 4 - Fri, Sep 11

10:45 pm - 5:05 pm

HNL

OPO

31h 20m

2 stops

5:55 pm - 7:28 pm

OPO

HNL

36h 33m

2 stops

$929Scandinavian Airlines

Tue, Sep 8 - Tue, Sep 22

1:35 pm - 7:00 am

HNL

OPO

30h 25m

2 stops

12:15 pm - 7:48 pm

OPO

HNL

42h 33m

2 stops

$934United Airlines

Tue, Sep 8 - Thu, Sep 24

8:00 pm - 7:00 am

HNL

OPO

24h 00m

2 stops

6:00 am - 9:56 pm

OPO

HNL

26h 56m

2 stops

$934United Airlines

Tue, Sep 8 - Tue, Sep 15

8:00 pm - 7:00 am

HNL

OPO

24h 00m

2 stops

12:15 pm - 6:30 pm

OPO

HNL

41h 15m

2 stops

$934United Airlines

Tue, Sep 8 - Wed, Sep 23

3:55 pm - 3:25 pm

HNL

OPO

36h 30m

2 stops

5:00 am - 7:28 pm

OPO

HNL

25h 28m

2 stops

$935Delta

Mon, Sep 7 - Fri, Sep 25

9:30 pm - 10:05 pm

HNL

OPO

37h 35m

2 stops

5:00 am - 7:28 pm

OPO

HNL

25h 28m

2 stops

$935Delta

Mon, Sep 7 - Tue, Sep 22

10:45 pm - 10:05 pm

HNL

OPO

36h 20m

2 stops

11:35 am - 7:28 pm

OPO

HNL

42h 53m

2 stops

$935Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$334

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 32% 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.

Everything you need to know for your flight to Porto

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Return flight deals

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$334 Find Cheap Flights from Hawaii to Porto - Compare and Save

Cheap Flights from Hawaii to Porto

Recent round-trip flight deals from Hawaii to Porto

Recent one-way flight deals from Hawaii to Porto

Recent last minute flight deals from Hawaii to Porto

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Hawaii to 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