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Cheap flights from Honolulu to Porto from $435

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 8/16. 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.
Air Canada Logo
1:00 pm - 7:00 am
HNL
-
OPO
31h 00m
2 stops
Air Canada Logo
12:15 pm - 11:50 am
OPO
-
HNL
34h 35m
2 stops
$848Air Canada
Tue, Sep 22 - Tue, Oct 13
Multiple Airlines Logo
9:59 pm - 10:25 am
HNL
-
OPO
25h 26m
2 stops
Multiple Airlines Logo
4:20 pm - 6:07 pm
OPO
-
HNL
36h 47m
2 stops
$881Multiple Airlines
Sat, Aug 15 - Tue, Aug 25
Delta Logo
7:00 am - 10:00 pm
HNL
-
OPO
28h 00m
2 stops
Delta Logo
5:55 am - 9:01 pm
OPO
-
HNL
26h 06m
2 stops
$938Delta
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
9:59 pm - 10:25 am
HNL
-
OPO
25h 26m
2 stops
Multiple Airlines Logo
12:25 pm - 2:50 pm
OPO
-
HNL
37h 25m
1 stop
$1,008Multiple Airlines
Sat, Aug 15 - Tue, Aug 25
Delta Logo
7:00 am - 10:00 pm
HNL
-
OPO
28h 00m
2 stops
Delta Logo
5:00 am - 9:01 pm
OPO
-
HNL
27h 01m
2 stops
$1,106Delta
Fri, May 8 - Sat, May 23
KLM Logo
10:35 pm - 3:30 pm
HNL
-
OPO
29h 55m
2 stops
KLM Logo
4:25 pm - 4:43 pm
OPO
-
HNL
35h 18m
2 stops
$1,131KLM
Fri, May 8 - Sat, May 23
Air Europa Logo
9:45 pm - 10:30 am
HNL
-
OPO
25h 45m
2 stops
Air Europa Logo
1:05 pm - 3:06 pm
OPO
-
HNL
37h 01m
1 stop
$1,198Air Europa
Tue, Sep 22 - Tue, Oct 13
United Airlines Logo
7:50 pm - 6:55 am
HNL
-
OPO
24h 05m
2 stops
United Airlines Logo
6:00 am - 9:43 pm
OPO
-
HNL
26h 43m
2 stops
$1,231United Airlines
Mon, Aug 3 - Mon, Aug 10
United Airlines Logo
3:25 pm - 9:45 am
HNL
-
OPO
31h 20m
2 stops
United Airlines Logo
6:00 am - 9:43 pm
OPO
-
HNL
26h 43m
2 stops
$1,304United Airlines
Sun, Aug 2 - Mon, Aug 10
Scandinavian Airlines Logo
3:35 pm - 10:25 am
HNL
-
OPO
31h 50m
1 stop
Scandinavian Airlines Logo
12:25 pm - 2:50 pm
OPO
-
HNL
37h 25m
1 stop
$1,313Scandinavian Airlines
Sat, Aug 15 - Tue, Aug 25

Iberia flights from Honolulu to Porto

Our best Iberia deals on Honolulu to Porto flight tickets
Iberia
Aug 2
HNL11:58 pmHonolulu
44h 42m
2 stops
OPO7:40 amPorto
Aug 10
OPO8:40 pmPorto
36h 35m
2 stops
HNL10:15 pmHonolulu
$1,386
Iberia
Jul 22
HNL11:58 pmHonolulu
44h 42m
2 stops
OPO7:40 amPorto
Jul 28
OPO8:40 pmPorto
36h 29m
2 stops
HNL10:09 pmHonolulu
$2,332
Iberia
Jul 22
HNL11:58 pmHonolulu
44h 42m
2 stops
OPO7:40 amPorto
Jul 28
OPO8:20 amPorto
24h 49m
2 stops
HNL10:09 pmHonolulu
$2,380

KLM flights from Honolulu to Porto

Our best KLM deals on Honolulu to Porto flight tickets
KLM
May 8
HNL10:35 pmHonolulu
29h 55m
2 stops
OPO3:30 pmPorto
May 23
OPO4:25 pmPorto
35h 18m
2 stops
HNL4:43 pmHonolulu
$1,131
KLM
Aug 3
HNL3:50 pmHonolulu
31h 40m
1 stop
OPO10:30 amPorto
Aug 10
OPO8:10 pmPorto
32h 57m
2 stops
HNL6:07 pmHonolulu
$1,584
KLM
Aug 2
HNL3:50 pmHonolulu
31h 40m
1 stop
OPO10:30 amPorto
Aug 10
OPO8:10 pmPorto
32h 57m
2 stops
HNL6:07 pmHonolulu
$1,865

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 March 30, 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

Tue 9/22

1:00 pm-7:00 am

2 stops31h 00m

Porto

Tue 10/13

12:15 pm-11:50 am

2 stops34h 35m

$848

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sat 8/15

9:59 pm-10:25 am

2 stops25h 26m

Porto

Tue 8/25

4:20 pm-6:07 pm

2 stops36h 47m

$881

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Wed 5/13

7:00 am-10:00 pm

2 stops28h 00m

Porto

Wed 5/20

5:55 am-9:01 pm

2 stops26h 06m

$938

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sat 8/15

9:59 pm-10:25 am

2 stops25h 26m

Porto

Tue 8/25

12:25 pm-2:50 pm

1 stop37h 25m

$1,008

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

7:00 am-10:00 pm

2 stops28h 00m

Porto

Sat 5/23

5:00 am-9:01 pm

2 stops27h 01m

$1,106

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Fri 5/8

10:35 pm-3:30 pm

2 stops29h 55m

Porto

Sat 5/23

4:25 pm-4:43 pm

2 stops35h 18m

$1,131

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 9/22

9:45 pm-10:30 am

2 stops25h 45m

Porto

Tue 10/13

1:05 pm-3:06 pm

1 stop37h 01m

$1,198
Quickest round-trip

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 8/3

7:50 pm-6:55 am

2 stops24h 05m

Porto

Mon 8/10

6:00 am-9:43 pm

2 stops26h 43m

$1,231

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

3:25 pm-9:45 am

2 stops31h 20m

Porto

Mon 8/10

6:00 am-9:43 pm

2 stops26h 43m

$1,304

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sat 8/15

3:35 pm-10:25 am

1 stop31h 50m

Porto

Tue 8/25

12:25 pm-2:50 pm

1 stop37h 25m

$1,313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

American Airlines and SWISS 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

25h 26m

Direct flights

None
The fastest flight from Honolulu to Porto takes 25h 26m
There are no direct flights from Honolulu to Porto. There are no popular flight routes from Honolulu to Porto.
Search flight deals

  • 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 25h 26m.

  • 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
9,514 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
Aveiro
Braga
Matosinhos
Lamego
Esposende
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
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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