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Cheap flights from Hawaii to Porto from $454

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hawaii to Porto departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Hawaii to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:15 pm - 9:30 am
HNL
-
OPO
27h 15m
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 - 2:14 pm
OPO
-
HNL
35h 39m
1 stop
$827United Airlines
Sun, Oct 25 - Fri, Nov 27
Multiple Airlines Logo
3:50 pm - 10:30 am
HNL
-
OPO
31h 40m
1 stop
Multiple Airlines Logo
4:20 pm - 7:11 pm
OPO
-
HNL
37h 51m
2 stops
$1,121Multiple Airlines
Sun, Aug 2 - Mon, Aug 10
Delta Logo
9:30 pm - 10:30 am
HNL
-
OPO
26h 00m
2 stops
Delta Logo
6:30 am - 9:20 pm
OPO
-
HNL
25h 50m
2 stops
$1,138Delta
Sun, Aug 2 - Mon, Aug 10
Delta Logo
3:50 pm - 10:30 am
HNL
-
OPO
31h 40m
1 stop
Delta Logo
6:30 am - 9:20 pm
OPO
-
HNL
25h 50m
2 stops
$1,150Delta
Sun, Aug 2 - Mon, Aug 10
SWISS Logo
9:45 pm - 6:30 pm
HNL
-
OPO
33h 45m
2 stops
SWISS Logo
12:15 pm - 8:35 pm
OPO
-
HNL
43h 20m
2 stops
$1,151SWISS
Tue, Jun 16 - Tue, Jun 23
Air France Logo
9:30 pm - 10:30 am
HNL
-
OPO
26h 00m
2 stops
Air France Logo
4:20 pm - 7:11 pm
OPO
-
HNL
37h 51m
2 stops
$1,153Air France
Sun, Aug 2 - Mon, Aug 10
United Airlines Logo
9:40 pm - 9:45 am
HNL
-
OPO
25h 05m
2 stops
United Airlines Logo
9:00 am - 1:34 pm
OPO
-
HNL
39h 34m
2 stops
$1,156United Airlines
Sun, Aug 2 - Mon, Aug 10
United Airlines Logo
4:00 pm - 6:15 am
HNL
-
OPO
27h 15m
2 stops
United Airlines Logo
9:00 am - 1:34 pm
OPO
-
HNL
39h 34m
2 stops
$1,179United Airlines
Mon, Aug 3 - Mon, Aug 10
United Airlines Logo
7:55 pm - 9:45 am
HNL
-
OPO
26h 50m
2 stops
United Airlines Logo
9:00 am - 3:16 pm
OPO
-
HNL
41h 16m
2 stops
$1,185United Airlines
Sun, Aug 2 - Mon, Aug 10

Air Canada flights from Hawaii to Porto

Our best Air Canada deals on Hawaii to Porto flight tickets
Air Canada
Jun 17
HNL9:45 pmHonolulu
46h 25m
2 stops
OPO7:10 amPorto
Jun 24
OPO8:40 amPorto
22h 55m
2 stops
HNL8:35 pmHonolulu
$1,215
Air Canada
May 8
HNL9:55 pmHonolulu
30h 50m
2 stops
OPO3:45 pmPorto
May 23
OPO11:00 amPorto
35h 43m
3 stops
HNL11:43 amHonolulu
$1,597

KLM flights from Hawaii to Porto

Our best KLM deals on Hawaii to Porto flight tickets
KLM
May 31
HNL3:32 pmHonolulu
31h 58m
1 stop
OPO10:30 amPorto
Jun 7
OPO5:00 amPorto
27h 14m
2 stops
HNL9:14 pmHonolulu
$1,233
KLM
Jun 18
HNL3:50 pmHonolulu
31h 40m
1 stop
OPO10:30 amPorto
Jun 23
OPO6:15 amPorto
25h 59m
2 stops
HNL9:14 pmHonolulu
$1,297
KLM
Jun 19
HNL3:50 pmHonolulu
31h 30m
1 stop
OPO10:20 amPorto
Jun 26
OPO4:25 pmPorto
37h 44m
2 stops
HNL7:09 pmHonolulu
$1,678

momondo Fare Finder

 
Customize your flight search to find flights from Hawaii 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 7, 2026.
Use the filters below to find and compare flights from Hawaii 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

8:15 pm-9:30 am

2 stops27h 15m

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-2:14 pm

1 stop35h 39m

$827

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

3:50 pm-10:30 am

1 stop31h 40m

Porto

Mon 8/10

4:20 pm-7:11 pm

2 stops37h 51m

$1,121
Quickest round-trip

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

9:30 pm-10:30 am

2 stops26h 00m

Porto

Mon 8/10

6:30 am-9:20 pm

2 stops25h 50m

$1,138

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

3:50 pm-10:30 am

1 stop31h 40m

Porto

Mon 8/10

6:30 am-9:20 pm

2 stops25h 50m

$1,150

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 6/16

9:45 pm-6:30 pm

2 stops33h 45m

Porto

Tue 6/23

12:15 pm-8:35 pm

2 stops43h 20m

$1,151

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

9:30 pm-10:30 am

2 stops26h 00m

Porto

Mon 8/10

4:20 pm-7:11 pm

2 stops37h 51m

$1,153

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

9:40 pm-9:45 am

2 stops25h 05m

Porto

Mon 8/10

9:00 am-1:34 pm

2 stops39h 34m

$1,156

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 8/3

4:00 pm-6:15 am

2 stops27h 15m

Porto

Mon 8/10

9:00 am-1:34 pm

2 stops39h 34m

$1,179

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Sun 8/2

7:55 pm-9:45 am

2 stops26h 50m

Porto

Mon 8/10

9:00 am-3:16 pm

2 stops41h 16m

$1,185

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Hawaii 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 Hawaii to Porto?

United Airlines is the most popular carrier operating from Hawaii to Porto

Cheap Hawaii to Porto flight deals and tips

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

Fastest flight time

22h 20m

Direct flights

None
The fastest flight from Hawaii to Porto takes 22h 20m
There are no direct flights from Hawaii to Porto. There are no popular flight routes from Hawaii to Porto.
Search flight deals

Frequently asked questions about flying from Hawaii to Porto

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

    Prices for flights from Hawaii to Porto Airport were last updated today.

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

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

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

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Hawaii to Porto

Compare and see reviews for airlines that fly from Hawaii to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $588Free CancellationRating
7.4
9,690 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
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 Hawaii to Porto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hawaii to Porto. momondo saves you time and could save you money on your trip.

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

Flights from Hawaii to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

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

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Hawaii and alert you when they change.

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