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.

$330 CHEAP FLIGHTS from Hawaii to Porto

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Hawaii to Porto

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

Sun, Oct 25 - Fri, Nov 27

10:30 pm - 10:25 pm

HNL

OPO

37h 55m

2 stops

6:00 am - 9:40 pm

OPO

HNL

25h 40m

2 stops

$713Lufthansa

Sun, Oct 25 - Fri, Nov 27

10:30 pm - 10:25 pm

HNL

OPO

37h 55m

2 stops

6:00 am - 9:40 pm

OPO

HNL

25h 40m

2 stops

$714Lufthansa

Sun, Nov 1 - Sun, Nov 22

11:30 pm - 3:20 pm

HNL

OPO

29h 50m

2 stops

6:00 am - 9:40 pm

OPO

HNL

25h 40m

2 stops

$764Lufthansa

Sun, Nov 1 - Sun, Nov 22

8:25 pm - 3:20 pm

HNL

OPO

32h 55m

2 stops

12:35 pm - 2:39 pm

OPO

HNL

36h 04m

1 stop

$814United Airlines

Wed, Nov 11 - Sun, Nov 15

10:50 pm - 9:30 am

HNL

OPO

24h 40m

2 stops

6:00 am - 10:10 pm

OPO

HNL

26h 10m

3 stops

$852United Airlines

Tue, Aug 25 - Fri, Sep 4

9:40 pm - 7:00 am

HNL

OPO

22h 20m

2 stops

6:00 am - 7:28 pm

OPO

HNL

24h 28m

2 stops

$929United Airlines

Sun, Oct 25 - Fri, Nov 27

8:25 pm - 9:30 am

HNL

OPO

27h 05m

2 stops

12:35 pm - 2:39 pm

OPO

HNL

36h 04m

1 stop

$938United Airlines

Mon, Aug 10 - Mon, Aug 17

10:45 pm - 3:25 pm

HNL

OPO

29h 40m

2 stops

4:20 pm - 7:11 pm

OPO

HNL

37h 51m

2 stops

$950Air France

Mon, Aug 31 - Mon, Sep 14

9:40 pm - 7:00 am

HNL

OPO

46h 20m

2 stops

7:20 pm - 8:35 pm

OPO

HNL

36h 15m

2 stops

$970Multiple Airlines

Wed, Aug 12 - Tue, Aug 18

7:00 am - 10:00 pm

HNL

OPO

28h 00m

2 stops

4:25 pm - 4:43 pm

OPO

HNL

35h 18m

2 stops

$1,055Air France

Useful Info

Low season	January
High season	July
Cheapest flight	$330

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly with an average 31% 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

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

$330 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

Good to know

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