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).

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

Four cabin classes are available on flights from Honolulu to Porto: • Economy Class • Premium Economy Class • Business Class • First Class Prices vary by airline.

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

Yes. Being flexible with your travel dates can save you up to 57% on the Honolulu to Porto route. 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 popular places can I visit in Porto?

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

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.

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 showed a wide range, from about $716 to $6,775. That means the highest observed fare was about 9x higher than the lowest one.

What is the time difference between Honolulu and Porto?

Porto is 11 hours ahead of Honolulu (Western European Time vs Hawaii-Aleutian Time). Plan for the time shift when scheduling connections or first-day activities.

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

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include: • Klass Wagen • Drive on Holiday • GREEN MOTION • Goldcar Rental SP • SURPRICE CAR RENTAL

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

Round-trip flights from Honolulu to Porto range from $677 to $1,210, with an average of $863 over the past 12 months. Anything below $677 counts as a good deal.

What is the cheapest airline to fly from Honolulu to Porto?

Air Canada ($721) and United Airlines ($726) are the cheapest airlines to fly round-trip from Honolulu to Porto according to KAYAK data over the last 5 days.

$716 CHEAP FLIGHTS from Honolulu to Porto (HNL - OPO)

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Cheapest round-trip

$716

Typical prices: $677-$1,210

United Airlines, Air Canada

Fri 2/23Fri 3/9

HNL - OPO • 2 stops

When to travel

January

Cheapest • 34% price drop

February

Most popular

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Flight Deals

Cheap Flights from Honolulu to Porto (HNL-OPO)

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

Round-trip

One-way

Recent round-trip flight deals from Honolulu to Porto

Tue, Feb 23 - Tue, Mar 9

10:35 pm - 9:30 amHNL Honolulu-OPO Porto

24h 55m2 stops Denver Intl Newark

6:00 am - 9:36 pmOPO Porto-HNL Honolulu

25h 36m2 stops Frankfurt am Main Vancouver Intl

$716Multiple Airlines

Sun, Feb 21 - Wed, Mar 10

12:10 am - 11:15 amHNL Honolulu-OPO Porto

49h 05m2 stops Toronto Pearson Intl Zurich

6:00 am - 9:36 pmOPO Porto-HNL Honolulu

25h 36m2 stops Frankfurt am Main Vancouver Intl

$721Air Canada

Sun, Feb 21 - Tue, Mar 9

12:10 am - 11:15 amHNL Honolulu-OPO Porto

49h 05m2 stops Toronto Pearson Intl Zurich

6:00 am - 9:36 pmOPO Porto-HNL Honolulu

25h 36m2 stops Frankfurt am Main Vancouver Intl

$721Air Canada

Tue, Feb 23 - Fri, Mar 12

10:35 pm - 9:30 amHNL Honolulu-OPO Porto

24h 55m2 stops Denver Intl Newark