HNL - OPO

$585 Find Cheap Flights from Honolulu to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$770
Typical prices: $677-$961
Delta
Sun 2/11Mon 2/19
HNL - OPO • 2 stops
Cheapest one-way
$585
Typical prices: $462-$787
KLM
Wed 12/12
HNL - OPO • 1 stop
When to travel
January
Cheapest • 33% price drop
February
Most popular
Good to know
+1
Good to know
+1
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Booking Insights
Flight Deals

Cheap Flights from Honolulu to Porto (HNL-OPO)

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

Recent round-trip flight deals from Honolulu to Porto

Thu, Feb 11 - Fri, Feb 19
Delta Logo
8:00 am - 10:00 pmHNL  Honolulu-OPO Porto
28h 00m2 stops Los Angeles Paris Charles de Gaulle
Delta Logo
5:00 am - 9:05 pmOPO  Porto-HNL Honolulu
26h 05m2 stops Amsterdam Schiphol Los Angeles
$770Delta
Thu, Feb 11 - Fri, Feb 19
Delta Logo
8:00 am - 10:00 pmHNL  Honolulu-OPO Porto
28h 00m2 stops Los Angeles Paris Charles de Gaulle
Delta Logo
5:00 am - 9:07 pmOPO  Porto-HNL Honolulu
26h 07m2 stops Amsterdam Schiphol Los Angeles
$776Delta
Thu, Feb 11 - Fri, Feb 19
Multiple Airlines Logo
8:30 pm - 12:50 pmHNL  Honolulu-OPO Porto
30h 20m2 stops Denver Intl Munich Franz Josef Strauss
Multiple Airlines Logo
12:35 pm - 10:45 pmOPO  Porto-HNL Honolulu
44h 10m3 stops Frankfurt am Main Chicago O'Hare Intl San Francisco
$994Multiple Airlines
Sun, Jan 17 - Thu, Jan 21
Air Canada Logo
2:00 pm - 3:25 pmHNL  Honolulu-OPO Porto
39h 25m2 stops Vancouver Intl Frankfurt am Main
Air Canada Logo
6:00 am - 9:40 pmOPO  Porto-HNL Honolulu
25h 40m2 stops Frankfurt am Main Vancouver Intl
$1,198Air Canada
Thu, Feb 11 - Fri, Feb 19
United Airlines Logo
10:35 pm - 11:00 amHNL  Honolulu-OPO Porto
26h 25m3 stops Denver Intl Newark Lisbon Humberto Delgado
United Airlines Logo
12:35 pm - 1:04 pmOPO  Porto-HNL Honolulu
34h 29m3 stops Frankfurt am Main San Francisco Los Angeles
$1,265United Airlines
Booking Insights

Price, demand and travel trends for Honolulu to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Honolulu to Porto?

Round-trip flights from Honolulu to Porto typically range from $677 to $961. The lowest price found in the past 5 days was $770, on Delta.

What's the cheapest day of the week to fly from Honolulu to Porto?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Honolulu to Porto. It’s 34% cheaper than the average day, while Friday is the most expensive, with prices 52% higher.

Find deals

Key details for Honolulu to Porto flights

Cheapest flight

$585
The most popular month to fly with an average 92% increase in travelers.
One-way flight from Honolulu to Porto

When to book flights from Honolulu to Porto

Are your dates flexible? Find out the best times to travel from Honolulu to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Honolulu to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Honolulu to Porto?

    Two cabin classes are available on flights from Honolulu to Porto:

    • Economy Class
    • Business Class

  • Do I need a passport to fly from Honolulu to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Honolulu to Porto flight?

    Round-trip flights from Honolulu to Porto range from $677 to $961, with an average of $850 over the past 12 months. Anything below $677 counts as a good deal.

  • Have flight prices from Honolulu to Porto changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $770 to $1,198. That means the highest observed fare was about 55% higher than the lowest one.

  • How are flight prices from Honolulu to Porto looking right now?

    One-way fares from Honolulu to Porto are currently higher than usual. Average one-way flight prices are about $649, which is 17% above the typical average for this route.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $23 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Honolulu to Porto?

    Flights from Honolulu to Porto usually depart from Honolulu (HNL) and arrive at Porto (OPO).

  • Can I save money by using flexible dates for flights from Honolulu to Porto?

    Yes. Flexible dates can save you up to 57% on flights from Honolulu to Porto. Thursday is the cheapest departure day at $566 round-trip on average, while Friday is the most expensive at $1,296, a difference of $730.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Honolulu and Porto?

    Porto is 10 hours ahead of Honolulu (Western European Time vs Hawaii-Aleutian Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

Your guide to booking Honolulu to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Friday. On this route, Thursday flights average $566, about $730 less than Friday fares (56% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Honolulu to Porto trip for January. Fares historically average $566 round-trip in that month - typically $1,018 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Ap Aeroporto Porto

More options for your flight from Honolulu to Porto

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

Car rentals in Porto
Hotels in Porto
Vacations in Porto