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Flights to O'ahu

€916 Cheap flights to O'ahu

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to O'ahu departing on 11/5. 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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Recent flights found to popular cities in O'ahu

Find flights to these popular cities in O'ahu from your nearest airport.

Flights to Honolulu

Search all flight deals to Honolulu
Multiple Airlines
11 May
SNN
51h 40m
2 stops
HNL
15 May
HNL
41h 30m
2 stops
SNN
€916
WestJet
10 Sept
DUB
46h 15m
2 stops
HNL
14 Sept
HNL
24h 25m
2 stops
DUB
€936
WestJet
10 Sept
DUB
46h 15m
2 stops
HNL
14 Sept
HNL
24h 25m
2 stops
DUB
€937
WestJet
10 Sept
DUB
46h 15m
2 stops
HNL
14 Sept
HNL
24h 25m
2 stops
DUB
€939
WestJet
10 Sept
DUB
46h 15m
2 stops
HNL
14 Sept
HNL
24h 25m
2 stops
DUB
€966
Multiple Airlines
18 Aug
DUB
45h 15m
2 stops
HNL
27 Aug
HNL
22h 55m
1 stop
DUB
€992
Multiple Airlines
18 Aug
DUB
45h 15m
2 stops
HNL
27 Aug
HNL
22h 55m
2 stops
DUB
€996
WestJet
10 Sept
DUB
46h 15m
2 stops
HNL
14 Sept
HNL
24h 25m
2 stops
DUB
€1,070
Multiple Airlines
8 Jun
DUB
17h 45m
1 stop
HNL
15 Jun
HNL
18h 15m
1 stop
DUB
€1,083
Japan Airlines
9 Jun
DUB
34h 15m
2 stops
HNL
16 Jun
HNL
31h 15m
2 stops
DUB
€1,100
Multiple Airlines
8 Jun
DUB
23h 10m
2 stops
HNL
15 Jun
HNL
32h 55m
2 stops
DUB
€1,107
Multiple Airlines
9 Jun
DUB
26h 15m
2 stops
HNL
16 Jun
HNL
18h 15m
1 stop
DUB
€1,125

Find the cheapest flights from Ireland to O'ahu

Recent return flight deals from Ireland to O'ahu

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:50 - 09:30
SNN
-
HNL
51h 40m
2 stops
Multiple Airlines Logo
16:05 - 20:35
HNL
-
SNN
41h 30m
2 stops
€916Multiple Airlines
Mon, 11 May - Fri, 15 May
WestJet Logo
09:40 - 20:55
DUB
-
HNL
46h 15m
2 stops
WestJet Logo
21:55 - 09:20
HNL
-
DUB
24h 25m
2 stops
€936WestJet
Thu, 10 Sep - Mon, 14 Sep
WestJet Logo
09:40 - 20:55
DUB
-
HNL
46h 15m
2 stops
WestJet Logo
21:55 - 09:20
HNL
-
DUB
24h 25m
2 stops
€937WestJet
Thu, 10 Sep - Mon, 14 Sep
WestJet Logo
09:40 - 20:55
DUB
-
HNL
46h 15m
2 stops
WestJet Logo
21:55 - 09:20
HNL
-
DUB
24h 25m
2 stops
€939WestJet
Thu, 10 Sep - Mon, 14 Sep
WestJet Logo
09:40 - 20:55
DUB
-
HNL
46h 15m
2 stops
WestJet Logo
21:55 - 09:20
HNL
-
DUB
24h 25m
2 stops
€966WestJet
Thu, 10 Sep - Mon, 14 Sep
Multiple Airlines Logo
10:40 - 20:55
DUB
-
HNL
45h 15m
2 stops
Multiple Airlines Logo
21:50 - 07:45
HNL
-
DUB
22h 55m
1 stop
€992Multiple Airlines
Tue, 18 Aug - Thu, 27 Aug
Multiple Airlines Logo
10:40 - 20:55
DUB
-
HNL
45h 15m
2 stops
Multiple Airlines Logo
21:50 - 07:45
HNL
-
DUB
22h 55m
2 stops
€996Multiple Airlines
Tue, 18 Aug - Thu, 27 Aug
WestJet Logo
09:40 - 20:55
DUB
-
HNL
46h 15m
2 stops
WestJet Logo
21:55 - 09:20
HNL
-
DUB
24h 25m
2 stops
€1,070WestJet
Thu, 10 Sep - Mon, 14 Sep
Japan Airlines Logo
10:30 - 09:45
DUB
-
HNL
34h 15m
2 stops
Japan Airlines Logo
14:40 - 08:55
HNL
-
DUB
31h 15m
2 stops
€1,100Japan Airlines
Tue, 9 Jun - Tue, 16 Jun
United Airlines Logo
12:30 - 16:17
SNN
-
HNL
38h 47m
3 stops
United Airlines Logo
21:40 - 10:15
HNL
-
SNN
25h 35m
2 stops
€1,610United Airlines
Mon, 11 May - Fri, 15 May

momondo Fare Finder

 
Locate flights to O'ahu that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 28 April 2026.
Use the filters below to find and compare flights to O'ahu that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

ShannonHonolulu

SNN - HNL

SNNHNL

Shannon

Mon 11/5

16:50-09:30

2 stops51h 40m

Honolulu

Fri 15/5

16:05-20:35

2 stops41h 30m

€916

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Thu 10/9

09:40-20:55

2 stops46h 15m

Honolulu

Mon 14/9

21:55-09:20

2 stops24h 25m

€936

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Thu 10/9

09:40-20:55

2 stops46h 15m

Honolulu

Mon 14/9

21:55-09:20

2 stops24h 25m

€937

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Thu 10/9

09:40-20:55

2 stops46h 15m

Honolulu

Mon 14/9

21:55-09:20

2 stops24h 25m

€939

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Thu 10/9

09:40-20:55

2 stops46h 15m

Honolulu

Mon 14/9

21:55-09:20

2 stops24h 25m

€966

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Tue 18/8

10:40-20:55

2 stops45h 15m

Honolulu

Thu 27/8

21:50-07:45

1 stop22h 55m

€992

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Tue 18/8

10:40-20:55

2 stops45h 15m

Honolulu

Thu 27/8

21:50-07:45

2 stops22h 55m

€996

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Thu 10/9

09:40-20:55

2 stops46h 15m

Honolulu

Mon 14/9

21:55-09:20

2 stops24h 25m

€1,070

DublinHonolulu

DUB - HNL

DUBHNL

Dublin

Tue 9/6

10:30-09:45

2 stops34h 15m

Honolulu

Tue 16/6

14:40-08:55

2 stops31h 15m

€1,100
Fastest return journey

ShannonHonolulu

SNN - HNL

SNNHNL

Shannon

Mon 11/5

12:30-16:17

3 stops38h 47m

Honolulu

Fri 15/5

21:40-10:15

2 stops25h 35m

€1,610

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheapest flights to cities in O'ahu

Click on the cities below to find out when it's cheapest to fly to O'ahu from Ireland
Honolulu
Honolulu
Find flights to Honolulu

Cheap O'ahu flight deals and tips

Summary info about O'ahu flight prices, duration and airlines

Best One-Way Price

€501

Best Round-Trip Price

€916

Fastest flight time

49h 20m

Popular in

March
The best one-way flight price to O'ahu from Ireland in the last 72 hours is €501 (Dublin to Honolulu).
Search Deals
The best round-trip flight price to O'ahu from Ireland in the last 72 hours is €916 (Shannon to Honolulu).
Search Deals
The fastest flight to O'ahu from Ireland takes 49h 20m (Dublin to Honolulu).
Search Deals
March has the highest demand for flights to O'ahu, with a 22% price increase on average.
Search Deals

Frequently asked questions about flying to O'ahu

How long is the flight from Ireland to O'ahu?

The average flight duration from Ireland to O'ahu depends on which airport you fly into and out of. Flying from Dublin to Kastrup Copenhagen is 2h 10m on average, while flying from Cork to Kastrup Copenhagen is on average. Kastrup Copenhagen is the most popular airport in O'ahu.

When did momondo last update prices for flights to O'ahu?

Prices for flights to O'ahu are refreshed on a daily basis.

How many operators does momondo search for flights to O'ahu?

There is 1 operator available for flights to O'ahu as of April 2026.

How old do you have to be to fly to O'ahu?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to O'ahu.

What documentation or ID do you need to fly to O'ahu?

The necessary travel and health documents for your O'ahu trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to O'ahu?

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

Can I find flights to O'ahu with flexible booking policies on momondo?

Flights to O'ahu 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 to O'ahu?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to O'ahu.

I’m not ready to book a flight to O'ahu right now. Can momondo alert me if prices change?

Price alerts on flights to O'ahu are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your O'ahu trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to O'ahu

Popular Flights to O'ahu

Popular routes according to searches in the past day on momondo
Shannon to Honolulu flightsfrom €916
Dublin to Honolulu flightsfrom €992