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Cheap flights from Honolulu to Porto from $654

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 7/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Honolulu to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:30 pm - 10:25 pm
HNL
-
OPO
37h 55m
2 stops
Lufthansa Logo
6:00 am - 9:40 pm
OPO
-
HNL
25h 40m
2 stops
$713Lufthansa
Sun, Oct 25 - Fri, Nov 27
Lufthansa Logo
10:30 pm - 10:25 pm
HNL
-
OPO
37h 55m
2 stops
Lufthansa Logo
6:00 am - 9:40 pm
OPO
-
HNL
25h 40m
2 stops
$714Lufthansa
Sun, Oct 25 - Fri, Nov 27
Multiple Airlines Logo
7:00 am - 10:05 pm
HNL
-
OPO
28h 05m
2 stops
Multiple Airlines Logo
4:20 pm - 7:11 pm
OPO
-
HNL
37h 51m
2 stops
$980Multiple Airlines
Tue, Aug 4 - Mon, Aug 17
Air Canada Logo
9:55 pm - 7:00 am
HNL
-
OPO
46h 05m
2 stops
Air Canada Logo
12:15 pm - 4:25 pm
OPO
-
HNL
39h 10m
2 stops
$984Air Canada
Sun, Aug 23 - Sun, Aug 30
Delta Logo
3:50 pm - 10:30 am
HNL
-
OPO
31h 40m
1 stop
Delta Logo
5:00 am - 9:20 pm
OPO
-
HNL
27h 20m
2 stops
$1,004Delta
Sun, Aug 23 - Sun, Aug 30
United Airlines Logo
7:50 pm - 6:55 am
HNL
-
OPO
24h 05m
2 stops
United Airlines Logo
9:00 am - 1:28 pm
OPO
-
HNL
39h 28m
2 stops
$1,008United Airlines
Sun, Aug 2 - Mon, Aug 10
United Airlines Logo
10:53 pm - 7:00 am
HNL
-
OPO
45h 07m
3 stops
United Airlines Logo
9:00 am - 1:28 pm
OPO
-
HNL
39h 28m
2 stops
$1,012United Airlines
Sun, Aug 2 - Mon, Aug 10
United Airlines Logo
4:00 pm - 7:00 am
HNL
-
OPO
28h 00m
2 stops
United Airlines Logo
6:00 am - 7:15 pm
OPO
-
HNL
24h 15m
2 stops
$1,044United Airlines
Thu, Aug 20 - Thu, Aug 27
United Airlines Logo
4:00 pm - 6:15 am
HNL
-
OPO
27h 15m
2 stops
United Airlines Logo
9:00 am - 1:28 pm
OPO
-
HNL
39h 28m
2 stops
$1,071United Airlines
Mon, Aug 3 - Mon, Aug 10
Delta Logo
3:50 pm - 10:30 am
HNL
-
OPO
31h 40m
1 stop
Delta Logo
5:00 am - 7:11 pm
OPO
-
HNL
25h 11m
2 stops
$1,187Delta
Sun, Aug 2 - Mon, Aug 10

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KLM flights from Honolulu to Porto

Our best KLM deals on Honolulu to Porto flight tickets
KLM
Aug 4
HNL3:50 pmHonolulu
31h 40m
1 stop
OPO10:30 amPorto
Aug 17
OPO4:20 pmPorto
37h 51m
2 stops
HNL7:11 pmHonolulu
$1,510
KLM
Jul 26
HNL3:50 pmHonolulu
31h 40m
1 stop
OPO10:30 amPorto
Jul 29
OPO7:10 pmPorto
35h 01m
2 stops
HNL7:11 pmHonolulu
$1,618
KLM
Jul 22
HNL3:50 pmHonolulu
31h 40m
1 stop
OPO10:30 amPorto
Jul 28
OPO5:00 amPorto
25h 11m
2 stops
HNL7:11 pmHonolulu
$3,429

Scandinavian Airlines flights from Honolulu to Porto

Our best Scandinavian Airlines deals on Honolulu to Porto flight tickets
Scandinavian Airlines
Aug 23
HNL7:00 amHonolulu
28h 00m
3 stops
OPO10:00 pmPorto
Aug 30
OPO5:00 amPorto
25h 11m
3 stops
HNL7:11 pmHonolulu
$2,226
Scandinavian Airlines
Aug 23
HNL7:00 amHonolulu
28h 00m
3 stops
OPO10:00 pmPorto
Aug 30
OPO5:00 amPorto
25h 11m
3 stops
HNL7:11 pmHonolulu
$2,234
Scandinavian Airlines
Aug 4
HNL7:00 amHonolulu
28h 15m
3 stops
OPO10:15 pmPorto
Aug 17
OPO5:00 amPorto
27h 20m
3 stops
HNL9:20 pmHonolulu
$2,447

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 July 6, 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

10:30 pm-10:25 pm

2 stops37h 55m

Porto

Fri 11/27

6:00 am-9:40 pm

2 stops25h 40m

$713

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 10/25

10:30 pm-10:25 pm

2 stops37h 55m

Porto

Fri 11/27

6:00 am-9:40 pm

2 stops25h 40m

$714

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 8/4

7:00 am-10:05 pm

2 stops28h 05m

Porto

Mon 8/17

4:20 pm-7:11 pm

2 stops37h 51m

$980

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/23

9:55 pm-7:00 am

2 stops46h 05m

Porto

Sun 8/30

12:15 pm-4:25 pm

2 stops39h 10m

$984

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/23

3:50 pm-10:30 am

1 stop31h 40m

Porto

Sun 8/30

5:00 am-9:20 pm

2 stops27h 20m

$1,004

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

7:50 pm-6:55 am

2 stops24h 05m

Porto

Mon 8/10

9:00 am-1:28 pm

2 stops39h 28m

$1,008

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

10:53 pm-7:00 am

3 stops45h 07m

Porto

Mon 8/10

9:00 am-1:28 pm

2 stops39h 28m

$1,012
Quickest round-trip

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 8/20

4:00 pm-7:00 am

2 stops28h 00m

Porto

Thu 8/27

6:00 am-7:15 pm

2 stops24h 15m

$1,044

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 8/3

4:00 pm-6:15 am

2 stops27h 15m

Porto

Mon 8/10

9:00 am-1:28 pm

2 stops39h 28m

$1,071

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

3:50 pm-10:30 am

1 stop31h 40m

Porto

Mon 8/10

5:00 am-7:11 pm

2 stops25h 11m

$1,187

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?

Delta and Royal Air Maroc 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.
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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
9,938 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
Esposende
Lamego
Chaves
Pinhao
Arcos de Valdevez
Guimarães
Espinho
Ponte de Lima
Viseu
Curia
Mesao Frio
Penafiel
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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