What is the cheapest airline that flies from Porto to Honolulu?

American Airlines and United Airlines are the most popular carriers operating from Porto to Honolulu

When did momondo last update prices for flights from Porto Airport to Honolulu Airport?

Prices for flights from Porto Airport to Honolulu Airport refresh daily.

How old do you have to be to fly from Porto Airport to Honolulu Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Honolulu Airport.

What documentation or ID do you need to fly to Honolulu Airport?

The necessary travel and health documents for your Honolulu Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$814 Cheap Flights from Porto to Honolulu in 2026

Find the cheapest flights from Porto to Honolulu

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 9:40 pmOPO Porto-HNL Honolulu

25h 40m2 stops Frankfurt am Main Vancouver Intl

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

29h 50m2 stops San Francisco Frankfurt am Main

$1,140Multiple Airlines

Mon, Feb 1 - Sun, Feb 7

6:00 am - 2:27 pmOPO Porto-HNL Honolulu

42h 27m2 stops Frankfurt am Main Chicago O'Hare Intl

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

27h 00m2 stops Houston George Bush Intcntl Newark

$1,157United Airlines

Wed, Nov 4 - Sun, Nov 8

6:00 am - 2:27 pmOPO Porto-HNL Honolulu

42h 27m2 stops Frankfurt am Main Chicago O'Hare Intl

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

27h 00m2 stops Houston George Bush Intcntl Newark

$1,158United Airlines

Wed, Nov 4 - Sun, Nov 8

6:00 am - 2:27 pmOPO Porto-HNL Honolulu

42h 27m2 stops Frankfurt am Main Chicago O'Hare Intl

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

27h 00m2 stops Houston George Bush Intcntl Newark

$1,159United Airlines

Wed, Nov 4 - Sun, Nov 8

6:20 am - 7:48 pmOPO Porto-HNL Honolulu

24h 28m2 stops Munich Franz Josef Strauss Los Angeles

7:00 am - 10:55 pmHNL Honolulu-OPO Porto

28h 55m2 stops Los Angeles Frankfurt am Main

$1,165Lufthansa

Mon, Sep 21 - Sun, Oct 4

12:35 pm - 11:51 amOPO Porto-HNL Honolulu

34h 16m2 stops Newark Los Angeles

8:00 pm - 9:45 amHNL Honolulu-OPO Porto

26h 45m2 stops Houston George Bush Intcntl Newark

$1,169United Airlines

Mon, Sep 14 - Sun, Sep 27

9:00 am - 1:23 pmOPO Porto-HNL Honolulu

39h 23m2 stops Newark Chicago O'Hare Intl

4:00 pm - 7:00 amHNL Honolulu-OPO Porto

28h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

$1,173United Airlines

Mon, Sep 21 - Sun, Oct 4

6:00 am - 2:58 pmOPO Porto-HNL Honolulu

42h 58m2 stops Frankfurt am Main Chicago O'Hare Intl

2:25 pm - 3:20 pmHNL Honolulu-OPO Porto

38h 55m3 stops San Francisco Orlando Frankfurt am Main

$1,181United Airlines

Mon, Feb 1 - Sun, Feb 7

6:00 am - 10:10 pmOPO Porto-HNL Honolulu

26h 10m2 stops Frankfurt am Main San Francisco

11:55 pm - 11:55 pmHNL Honolulu-OPO Porto

38h 00m2 stops San Francisco Munich Franz Josef Strauss

$1,183Lufthansa

Fri, Nov 20 - Wed, Dec 23

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

27h 12m2 stops Amsterdam Schiphol Los Angeles

3:55 pm - 10:30 amHNL Honolulu-OPO Porto

31h 35m1 stop New York John F Kennedy Intl

$1,215Delta

Mon, Sep 21 - Sun, Oct 4

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KLM flights from Porto to Honolulu

Our best KLM deals on Porto to Honolulu flight tickets

KLM

Sep 14

OPO4:25 pmPorto

35h 13m

2 stops

HNL4:38 pmHonolulu

Sep 27

HNL3:55 pmHonolulu

31h 35m

1 stop

OPO10:30 amPorto

$1,304

KLM

Sep 16

OPO5:55 amPorto

26h 00m

2 stops

HNL8:55 pmHonolulu

Oct 14

HNL3:50 pmHonolulu

31h 40m

1 stop

OPO10:30 amPorto

$5,669

KLM

Nov 2

OPO11:30 amPorto

43h 29m

2 stops

HNL8:59 pmHonolulu

Dec 1

HNL5:55 pmHonolulu

29h 10m

1 stop

OPO9:05 amPorto

$7,589

Air Canada flights from Porto to Honolulu

Our best Air Canada deals on Porto to Honolulu flight tickets

Air Canada

Sep 14

OPO6:20 amPorto

25h 16m

3 stops

HNL8:36 pmHonolulu

Sep 27

HNL9:50 pmHonolulu

22h 10m

2 stops

OPO7:00 amPorto

$1,935

Air Canada

Sep 1

OPO8:40 amPorto

22h 55m

2 stops

HNL8:35 pmHonolulu

Oct 1

HNL7:00 amHonolulu

60h 50m

2 stops

OPO6:50 amPorto

$4,952

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Mon 2/1

6:00 am-9:40 pm

2 stops25h 40m

Honolulu

Sun 2/7

11:30 pm-3:20 pm

2 stops29h 50m

$1,140

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Wed 11/4

6:00 am-2:27 pm

2 stops42h 27m

Honolulu

Sun 11/8

8:30 pm-9:30 am

2 stops27h 00m

$1,157

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Wed 11/4

6:00 am-2:27 pm

2 stops42h 27m

Honolulu

Sun 11/8

8:30 pm-9:30 am

2 stops27h 00m

$1,158

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Wed 11/4

6:00 am-2:27 pm

2 stops42h 27m

Honolulu

Sun 11/8

8:30 pm-9:30 am

2 stops27h 00m

$1,159

Quickest round-trip

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Mon 9/21

6:20 am-7:48 pm

2 stops24h 28m

Honolulu

Sun 10/4

7:00 am-10:55 pm

2 stops28h 55m

$1,165

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Mon 9/14

12:35 pm-11:51 am

2 stops34h 16m

Honolulu

Sun 9/27

8:00 pm-9:45 am

2 stops26h 45m

$1,169

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Mon 9/21

9:00 am-1:23 pm

2 stops39h 23m

Honolulu

Sun 10/4

4:00 pm-7:00 am

2 stops28h 00m

$1,173

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Mon 2/1

6:00 am-2:58 pm

2 stops42h 58m

Honolulu

Sun 2/7

2:25 pm-3:20 pm

3 stops38h 55m

$1,181

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Fri 11/20

6:00 am-10:10 pm

2 stops26h 10m

Honolulu

Wed 12/23

11:55 pm-11:55 pm

2 stops38h 00m

$1,183

PortoHonolulu

OPO Porto - HNL Honolulu

OPOHNL

Porto

Mon 9/21

5:00 am-9:12 pm

2 stops27h 12m

Honolulu

Sun 10/4

3:55 pm-10:30 am

1 stop31h 35m

$1,215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to Honolulu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Porto and Honolulu?

Prices are currently low for flights on this route.

Typical prices usually range from $1,351 to $1,512.
The lowest price recently found on this route was $1,140.

What is the cheapest month to fly to Honolulu?

The month of March is, on average, the cheapest month to fly to Honolulu from Porto, with most prices found around $0. If you’re not able to fly to Honolulu in March, then October is your next best option. Flight prices from Porto to Honolulu during October average around $330.

Can stopping save me money on Porto to Honolulu flights?

You could potentially save up to 36% on your flight if you consider stops on a Porto to Honolulu flight.

When to book flights from Porto to Honolulu

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Honolulu according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Porto to Honolulu (OPO to HNL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Honolulu

Fastest flight time	42h 27m
Direct flights	None

The fastest flight from Porto to Honolulu takes 42h 27m

There are no direct flights from Porto to Honolulu. There are no popular flight routes from Porto to Honolulu.

Search flight deals

Frequently asked questions about flying from Porto to Honolulu

How far is Porto to Honolulu by plane?
A flight from Porto to Honolulu will travel around 7686.0 mi. A reasonable flight in good conditions will take 42h 27m.
When did momondo last update prices for flights from Porto Airport to Honolulu Airport?
Prices for flights from Porto Airport to Honolulu Airport refresh daily.
How old do you have to be to fly from Porto Airport to Honolulu Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Honolulu Airport.
What documentation or ID do you need to fly to Honolulu Airport?
The necessary travel and health documents for your Honolulu Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Kahuku

Kailua

Aiea

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Honolulu?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Honolulu from Porto.

Can I find flights from Porto to Honolulu with flexible booking policies on momondo?

Yes. All flights to Honolulu from Porto on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Porto to Honolulu?

momondo provides multiple filters to help you find the best flight to Honolulu from Porto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Porto to Honolulu right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Porto to Honolulu flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.