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.

$457 CHEAP FLIGHTS from Hawaii to Porto

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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

Last minute

Recent round-trip flight deals from Hawaii to Porto

Sun, Jan 17 - Thu, Jan 21

8:00 am - 9:55 pmHNL Honolulu-OPO Porto

27h 55m2 stops Los Angeles Paris Charles de Gaulle

11:15 am - 8:24 pmOPO Porto-HNL Honolulu

43h 09m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$728Multiple Airlines

Sun, Oct 25 - Fri, Nov 27

8:25 pm - 9:30 amHNL Honolulu-OPO Porto

27h 05m2 stops Houston George Bush Intcntl Newark

12:35 pm - 11:03 amOPO Porto-HNL Honolulu

32h 28m2 stops Frankfurt am Main San Francisco

$751United Airlines

Sun, Oct 25 - Fri, Nov 27

4:50 pm - 10:35 amHNL Honolulu-OPO Porto

31h 45m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:00 am - 8:38 pmOPO Porto-HNL Honolulu

25h 38m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$752Delta

Sun, Oct 25 - Fri, Nov 27

7:00 am - 9:55 pmHNL Honolulu-OPO Porto

28h 55m2 stops Los Angeles Paris Charles de Gaulle

5:00 am - 8:38 pmOPO Porto-HNL Honolulu

25h 38m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$752Multiple Airlines

Sun, Jan 17 - Thu, Jan 21

8:25 pm - 3:20 pmKOA Kona Intl-OPO Porto

32h 55m2 stops Denver Intl Frankfurt am Main

6:00 am - 2:00 pmOPO Porto-KOA Kona Intl

42h 00m2 stops Frankfurt am Main San Francisco

$755United Airlines

Sun, Jan 17 - Thu, Jan 21

11:30 pm - 3:20 pmHNL Honolulu-OPO Porto

29h 50m2 stops San Francisco Frankfurt am Main

6:00 am - 3:11 pmOPO Porto-HNL Honolulu

43h 11m2 stops Frankfurt am Main San Francisco

$755United Airlines

Sun, Oct 25 - Fri, Nov 27

7:00 am - 9:55 pmHNL Honolulu-OPO Porto

28h 55m2 stops Los Angeles Paris Charles de Gaulle

5:00 am - 8:38 pmOPO Porto-HNL Honolulu

25h 38m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$783Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

10:40 pm - 3:25 pmHNL Honolulu-OPO Porto

29h 45m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

7:55 pm - 7:48 pmOPO Porto-HNL Honolulu

34h 53m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$817Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

10:40 pm - 3:25 pmHNL Honolulu-OPO Porto

29h 45m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

7:55 pm - 7:48 pmOPO Porto-HNL Honolulu

34h 53m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$832Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

8:00 pm - 7:10 amHNL Honolulu-OPO Porto

24h 10m2 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl

11:50 am - 1:50 pmOPO Porto-HNL Honolulu

37h 00m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$881United Airlines

Recent last minute flight deals from Hawaii to Porto

Sun, Sep 6 - Sun, Sep 13

7:00 am - 7:00 amHNL Honolulu-OPO Porto

37h 00m3 stops Los Angeles San Francisco Montreal Pierre Elliott Trudeau Intl

12:15 pm - 11:41 amOPO Porto-HNL Honolulu

58h 26m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles

$1,219United Airlines

Sun, Sep 6 - Sun, Sep 13

9:40 pm - 7:00 amHNL Honolulu-OPO Porto

22h 20m2 stops Los Angeles Montreal Pierre Elliott Trudeau Intl

12:15 pm - 11:41 amOPO Porto-HNL Honolulu

58h 26m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles

$1,219United Airlines

Sun, Sep 6 - Sun, Sep 13

9:40 pm - 7:00 amHNL Honolulu-OPO Porto

22h 20m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 8:36 pmOPO Porto-HNL Honolulu

25h 36m2 stops Frankfurt am Main Vancouver Intl

$1,313Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

9:40 pm - 7:00 amHNL Honolulu-OPO Porto

22h 20m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 8:36 pmOPO Porto-HNL Honolulu

25h 36m2 stops Frankfurt am Main Vancouver Intl

$1,496Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

7:00 am - 7:00 amHNL Honolulu-OPO Porto

37h 00m3 stops Los Angeles San Francisco Montreal Pierre Elliott Trudeau Intl

12:15 pm - 11:41 amOPO Porto-HNL Honolulu

58h 26m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles

$1,534United Airlines

Sun, Sep 6 - Sun, Sep 13

7:00 am - 10:00 pmHNL Honolulu-OPO Porto

28h 00m3 stops Los Angeles Kastrup Copenhagen Paris Charles de Gaulle

5:00 am - 9:12 pmOPO Porto-HNL Honolulu

27h 12m3 stops Amsterdam Schiphol Kastrup Copenhagen Los Angeles

$2,502Scandinavian Airlines

Sun, Sep 6 - Sun, Sep 13

7:00 am - 10:00 pmHNL Honolulu-OPO Porto

28h 00m3 stops Los Angeles Kastrup Copenhagen Paris Charles de Gaulle

5:00 am - 7:28 pmOPO Porto-HNL Honolulu

25h 28m3 stops Amsterdam Schiphol Kastrup Copenhagen Seattle/Tacoma Intl

$2,588Scandinavian Airlines

Sun, Sep 6 - Sun, Sep 13

7:00 am - 10:00 pmHNL Honolulu-OPO Porto

28h 00m3 stops Los Angeles Kastrup Copenhagen Paris Charles de Gaulle

5:00 am - 9:12 pmOPO Porto-HNL Honolulu

27h 12m3 stops Amsterdam Schiphol Kastrup Copenhagen Los Angeles

$2,588Scandinavian Airlines

Sun, Sep 6 - Sun, Sep 13

3:50 pm - 10:30 amHNL Honolulu-OPO Porto

31h 40m1 stop New York John F Kennedy Intl

5:00 am - 4:38 pmOPO Porto-HNL Honolulu

22h 38m2 stops Amsterdam Schiphol Los Angeles

$2,732Delta

Sun, Sep 6 - Sun, Sep 13

2:48 pm - 6:55 amHNL Honolulu-OPO Porto

29h 07m3 stops San Francisco Orlando Newark

12:35 pm - 11:41 amOPO Porto-HNL Honolulu

34h 06m2 stops Newark Los Angeles

$4,504United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$457

Best time to beat the crowds with an average 25% drop in price.

Most popular time to fly with an average 30% 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.

Guimarães

Lamego

Matosinhos

Chaves

Pinhao

Viseu

Esposende

Ponte de Lima

Espinho

Baiao

Arcos de Valdevez

Santa Maria da Feira

Caminha

Mesao Frio

Mira

Amares

Penafiel

Curia

Everything you need to know for your flight to Porto

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Complete your trip

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Origins

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Return flight deals

Information on the airport you'll fly into in Porto

Porto (OPO)

OPO

$457 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

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