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Cheap flights from Honolulu to Porto from $714

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Honolulu to Porto departing on 10/28. 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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Find the cheapest flights from Honolulu to Porto

Cheap round-trip flights

United Airlines Logo
9:50 pm - 9:30 amHNL-OPO
25h 40m2 stops
United Airlines Logo
12:30 pm - 9:03 pmOPO-HNL
42h 33m2 stops
$714United Airlines
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Tue, Oct 28 - Tue, Nov 4
Lufthansa Logo
10:55 pm - 10:25 pmHNL-OPO
37h 30m2 stops
Lufthansa Logo
4:15 pm - 9:28 pmOPO-HNL
39h 13m2 stops
$824Lufthansa
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Thu, Mar 5 - Mon, Mar 9
Logo
9:50 pm - 9:30 amHNL-OPO
25h 40m2 stops
Logo
6:00 am - 10:27 pmOPO-HNL
26h 27m3 stops
$882
Find Deal
Tue, Oct 28 - Tue, Nov 4
Logo
10:50 pm - 3:05 pmHNL-OPO
30h 15m3 stops
Logo
12:40 pm - 12:43 pmOPO-HNL
34h 03m3 stops
$1,678
Find Deal
Tue, Oct 28 - Tue, Nov 4
Lufthansa Logo
11:30 pm - 2:45 pmHNL-OPO
29h 15m2 stops
Lufthansa Logo
1:45 pm - 9:40 pmOPO-HNL
41h 55m2 stops
$3,281Lufthansa
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Mon, Dec 8 - Mon, Jan 12
KLM Logo
5:00 pm - 10:30 amHNL-OPO
31h 30m2 stops
KLM Logo
11:25 am - 8:28 pmOPO-HNL
43h 03m2 stops
$3,794KLM
Find Deal
Tue, Nov 18 - Wed, Dec 17
British Airways Logo
7:50 pm - 8:00 pmHNL-OPO
38h 10m2 stops
British Airways Logo
8:40 pm - 1:50 pmOPO-HNL
51h 10m2 stops
$3,861British Airways
Find Deal
Mon, Dec 8 - Mon, Jan 5
KLM Logo
4:10 pm - 10:25 amHNL-OPO
32h 15m2 stops
KLM Logo
4:10 pm - 10:47 pmOPO-HNL
40h 37m2 stops
$4,272KLM
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Wed, Nov 5 - Fri, Dec 5
American Airlines Logo
10:55 pm - 11:45 amHNL-OPO
26h 50m3 stops
American Airlines Logo
4:40 pm - 1:46 pmOPO-HNL
31h 06m2 stops
$6,603American Airlines
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Thu, Nov 6 - Mon, Dec 8
American Airlines Logo
10:55 pm - 11:45 amHNL-OPO
26h 50m3 stops
American Airlines Logo
12:25 pm - 1:34 pmOPO-HNL
35h 09m2 stops
$8,278American Airlines
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Tue, Nov 18 - Wed, Dec 17

Lufthansa flights from Honolulu to Porto

Our best Lufthansa deals on Honolulu to Porto flight tickets
Lufthansa
Mar 5
HNL10:55 pmHonolulu
37h 30m
2 stops
OPO10:25 pmPorto
Mar 9
OPO4:15 pmPorto
39h 13m
2 stops
HNL9:28 pmHonolulu
$824
Find similar
Lufthansa
Dec 8
HNL11:30 pmHonolulu
29h 15m
2 stops
OPO2:45 pmPorto
Jan 12
OPO1:45 pmPorto
41h 55m
2 stops
HNL9:40 pmHonolulu
$3,281
Find similar
Lufthansa
Dec 8
HNL11:30 pmHonolulu
36h 55m
2 stops
OPO10:25 pmPorto
Jan 8
OPO2:05 pmPorto
41h 35m
2 stops
HNL9:40 pmHonolulu
$3,383
Find similar

United Airlines flights from Honolulu to Porto

Our best United Airlines deals on Honolulu to Porto flight tickets
United Airlines
Oct 28
HNL9:50 pmHonolulu
25h 40m
2 stops
OPO9:30 amPorto
Nov 4
OPO12:30 pmPorto
42h 33m
2 stops
HNL9:03 pmHonolulu
$714
Find similar
United Airlines
Nov 26
HNL10:50 pmHonolulu
24h 40m
2 stops
OPO9:30 amPorto
Dec 28
OPO6:00 amPorto
43h 48m
2 stops
HNL3:48 pmHonolulu
$4,130
Find similar
United Airlines
Nov 26
HNL11:30 pmHonolulu
29h 15m
2 stops
OPO2:45 pmPorto
Dec 28
OPO6:00 amPorto
43h 48m
2 stops
HNL3:48 pmHonolulu
$4,171
Find similar

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 September 15, 2025.
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

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 10/28

9:50 pm-9:30 am

2 stops25h 40m

Porto

Tue 11/4

12:30 pm-9:03 pm

2 stops42h 33m

$714

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 3/5

10:55 pm-10:25 pm

2 stops37h 30m

Porto

Mon 3/9

4:15 pm-9:28 pm

2 stops39h 13m

$824

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 10/28

9:50 pm-9:30 am

2 stops25h 40m

Porto

Tue 11/4

6:00 am-10:27 pm

3 stops26h 27m

$882

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 10/28

10:50 pm-3:05 pm

3 stops30h 15m

Porto

Tue 11/4

12:40 pm-12:43 pm

3 stops34h 03m

$1,678

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 12/8

11:30 pm-2:45 pm

2 stops29h 15m

Porto

Mon 1/12

1:45 pm-9:40 pm

2 stops41h 55m

$3,281

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 11/18

5:00 pm-10:30 am

2 stops31h 30m

Porto

Wed 12/17

11:25 am-8:28 pm

2 stops43h 03m

$3,794

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Mon 12/8

7:50 pm-8:00 pm

2 stops38h 10m

Porto

Mon 1/5

8:40 pm-1:50 pm

2 stops51h 10m

$3,861

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Wed 11/5

4:10 pm-10:25 am

2 stops32h 15m

Porto

Fri 12/5

4:10 pm-10:47 pm

2 stops40h 37m

$4,272

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 11/6

10:55 pm-11:45 am

3 stops26h 50m

Porto

Mon 12/8

4:40 pm-1:46 pm

2 stops31h 06m

$6,603

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 11/18

10:55 pm-11:45 am

3 stops26h 50m

Porto

Wed 12/17

12:25 pm-1:34 pm

2 stops35h 09m

$8,278

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Sunday when prices can be found for as low as $1,034. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,052. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the evening is the cheapest time of day to fly from Honolulu to Porto when you can find flight prices for as low as $1,053. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,194 on average. Flights to Porto from Honolulu in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
There are no direct flights from Honolulu to Porto. There are no popular flight routes from Honolulu to Porto.
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  • 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 24h 40m.

  • 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 $662Free CancellationRating
7.4
8,929 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
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Esposende
Lamego
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Mira

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.

An easier way to manage your Porto trip

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