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Cheap flights from Honolulu to Porto from $389

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Honolulu to Porto departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Honolulu to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:10 pm - 9:30 am
HNL
-
OPO
27h 20m
2 stops
United Airlines Logo
12:35 pm - 2:41 pm
OPO
-
HNL
36h 06m
2 stops
$731United Airlines
Sun, Oct 25 - Fri, Nov 27
United Airlines Logo
8:10 pm - 9:30 am
HNL
-
OPO
27h 20m
2 stops
United Airlines Logo
12:35 pm - 2:41 pm
OPO
-
HNL
36h 06m
2 stops
$732United Airlines
Sun, Oct 25 - Fri, Nov 27
United Airlines Logo
9:50 pm - 9:30 am
HNL
-
OPO
25h 40m
2 stops
United Airlines Logo
12:35 pm - 2:14 pm
OPO
-
HNL
35h 39m
1 stop
$748United Airlines
Sun, Oct 25 - Fri, Nov 27
United Airlines Logo
8:15 pm - 9:30 am
HNL
-
OPO
27h 15m
2 stops
United Airlines Logo
12:35 pm - 2:14 pm
OPO
-
HNL
35h 39m
1 stop
$749United Airlines
Sun, Oct 25 - Fri, Nov 27
Air France Logo
9:59 pm - 3:25 pm
HNL
-
OPO
30h 26m
2 stops
Air France Logo
5:40 am - 8:53 pm
OPO
-
HNL
25h 13m
2 stops
$787Air France
Tue, Oct 20 - Fri, Oct 30
Multiple Airlines Logo
3:35 pm - 10:30 am
HNL
-
OPO
31h 55m
1 stop
Multiple Airlines Logo
5:40 am - 8:53 pm
OPO
-
HNL
25h 13m
2 stops
$801Multiple Airlines
Tue, Oct 20 - Fri, Oct 30
United Airlines Logo
8:10 pm - 9:30 am
HNL
-
OPO
27h 20m
2 stops
United Airlines Logo
12:35 pm - 2:14 pm
OPO
-
HNL
35h 39m
1 stop
$827United Airlines
Sun, Oct 25 - Fri, Nov 27
Multiple Airlines Logo
7:00 am - 10:00 pm
HNL
-
OPO
28h 00m
2 stops
Multiple Airlines Logo
11:25 am - 7:24 pm
OPO
-
HNL
41h 59m
2 stops
$916Multiple Airlines
Thu, Oct 8 - Wed, Oct 28
Multiple Airlines Logo
9:50 pm - 7:10 am
HNL
-
OPO
22h 20m
2 stops
Multiple Airlines Logo
6:00 am - 8:35 pm
OPO
-
HNL
25h 35m
2 stops
$930Multiple Airlines
Thu, Sep 10 - Wed, Sep 30
KLM Logo
3:35 pm - 10:30 am
HNL
-
OPO
31h 55m
1 stop
KLM Logo
11:25 am - 7:24 pm
OPO
-
HNL
41h 59m
2 stops
$937KLM
Thu, Oct 8 - Wed, Oct 28

Lufthansa flights from Honolulu to Porto

Our best Lufthansa deals on Honolulu to Porto flight tickets
Lufthansa
Jun 28
HNL9:50 pmHonolulu
22h 10m
2 stops
OPO7:00 amPorto
Jul 21
OPO12:15 pmPorto
43h 20m
2 stops
HNL8:35 pmHonolulu
$1,160
Lufthansa
Jul 22
HNL11:16 amHonolulu
25h 09m
2 stops
OPO11:25 pmPorto
Jul 28
OPO12:15 pmPorto
43h 20m
2 stops
HNL8:35 pmHonolulu
$2,104
Lufthansa
Jul 22
HNL11:16 amHonolulu
25h 09m
2 stops
OPO11:25 pmPorto
Jul 28
OPO12:15 pmPorto
43h 20m
2 stops
HNL8:35 pmHonolulu
$2,144

Air Canada flights from Honolulu to Porto

Our best Air Canada deals on Honolulu to Porto flight tickets
Air Canada
Jun 28
HNL9:50 pmHonolulu
22h 10m
2 stops
OPO7:00 amPorto
Jul 21
OPO11:00 amPorto
35h 43m
3 stops
HNL11:43 amHonolulu
$1,710
Air Canada
May 25
HNL10:05 pmHonolulu
30h 40m
2 stops
OPO3:45 pmPorto
Jun 1
OPO6:20 amPorto
25h 10m
3 stops
HNL8:30 pmHonolulu
$2,707

momondo Fare Finder

 
Customize your flight search to find flights from Honolulu to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 16, 2026.
Use the filters below to find and compare flights from Honolulu to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 10/25

8:10 pm-9:30 am

2 stops27h 20m

Porto

Fri 11/27

12:35 pm-2:41 pm

2 stops36h 06m

$731

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 10/25

8:10 pm-9:30 am

2 stops27h 20m

Porto

Fri 11/27

12:35 pm-2:41 pm

2 stops36h 06m

$732

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 10/25

9:50 pm-9:30 am

2 stops25h 40m

Porto

Fri 11/27

12:35 pm-2:14 pm

1 stop35h 39m

$748

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 10/25

8:15 pm-9:30 am

2 stops27h 15m

Porto

Fri 11/27

12:35 pm-2:14 pm

1 stop35h 39m

$749

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 10/20

9:59 pm-3:25 pm

2 stops30h 26m

Porto

Fri 10/30

5:40 am-8:53 pm

2 stops25h 13m

$787

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 10/20

3:35 pm-10:30 am

1 stop31h 55m

Porto

Fri 10/30

5:40 am-8:53 pm

2 stops25h 13m

$801

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 10/25

8:10 pm-9:30 am

2 stops27h 20m

Porto

Fri 11/27

12:35 pm-2:14 pm

1 stop35h 39m

$827

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 10/8

7:00 am-10:00 pm

2 stops28h 00m

Porto

Wed 10/28

11:25 am-7:24 pm

2 stops41h 59m

$916
Quickest round-trip

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 9/10

9:50 pm-7:10 am

2 stops22h 20m

Porto

Wed 9/30

6:00 am-8:35 pm

2 stops25h 35m

$930

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 10/8

3:35 pm-10:30 am

1 stop31h 55m

Porto

Wed 10/28

11:25 am-7:24 pm

2 stops41h 59m

$937

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Honolulu to Porto

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

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

United Airlines, Air Canada, and Air France are the most popular carriers operating from Honolulu to Porto

When to book flights from Honolulu to Porto

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

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

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

Fastest flight time

22h 10m

Direct flights

None
The fastest flight from Honolulu to Porto takes 22h 10m
There are no direct flights from Honolulu to Porto. There are no popular flight routes from Honolulu to Porto.
Search flight deals

Frequently asked questions about flying from Honolulu to Porto

  • How far is Honolulu to Porto by plane?

    Honolulu and Porto are 7686.0 mi apart from one another. A reasonable flight in good conditions will take 22h 10m.

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

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

  • How many operators does momondo search for flights from Honolulu Airport to Porto Airport?

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

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Honolulu to Porto?

Best airlines flying from Honolulu to Porto

Compare and see reviews for airlines that fly from Honolulu to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,726 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Espinho
Guimarães
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Honolulu to Porto. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Porto from Honolulu which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Honolulu to Porto.

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

Of course. momondo tracks the price of Honolulu to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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