What are the cheapest airlines to fly from O'ahu to Ireland one-way?

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $441. Aer Lingus flights start at $701 while deals on Air Canada start at $723 one-way.

How far in advance should I book a flight from O'ahu to Ireland?

Travelers have found it’s best to book a flight 25 days in advance to save up to 162% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from O'ahu to Ireland 1-2 weeks in advance for as low as $741, or $2,792 for flights within the next 24 hours.

What is the cheapest month to fly from O'ahu to Ireland?

November can be a great time to fly to Ireland from O'ahu with a flight ticket averaging about $974. Cheapflights users have found deals in the month of November for as cheap as $558. The most expensive prices can be found in the month of June.

Can I find deals for flights from O'ahu to Ireland that include hotel bookings?

Yes. In addition to deals on O'ahu to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'ahu to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Ireland.

Can I find deals for business class flights from O'ahu to Ireland?

Yes. Cheapflights offers flight deals from O'ahu to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,137+ Flights from O'ahu to Ireland

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Cheap flight deals from O'ahu to Ireland

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$693 (United Airlines)
One-way from	$441 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$978

Provider with most accurate pricing for Honolulu-Dublin flight deals.

Search Deals

Provider most trusted by Cheapflights users for Honolulu-Dublin flights.

Search Deals

From O'ahu to Ireland

Search Deals

One-way flight from O'ahu to Ireland

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($210 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from O'ahu to Ireland

Cheapest flights from O'ahu to Ireland
Explore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Fri 11/148:50 pmHNL - DUB

2 stops51h 15mUnited Airlines

Fri 11/289:00 amDUB - HNL

2 stops42h 10mUnited Airlines

Deal found 4/22

$658

Fri 11/142:15 pmHNL - DUB

2 stops30h 55mAir Canada

Fri 11/289:00 amDUB - HNL

2 stops37h 54mAir Canada

Deal found 4/23

$684

Mon 5/1210:05 pmHNL - SNN

2 stops25h 10mUnited Airlines

Wed 5/289:30 amSNN - HNL

2 stops22h 58mUnited Airlines

Deal found 4/23

$693

Fri 11/146:45 pmHNL - DUB

1 stop26h 30mMultiple Airlines

Fri 11/282:05 pmDUB - HNL

1 stop33h 45mMultiple Airlines

Deal found 4/22

$714

Sun 11/911:00 pmHNL - SNN

2 stops50h 30mAir Canada

Thu 11/277:45 amSNN - HNL

2 stops39h 09mAir Canada

Deal found 4/24

$848

Tue 10/143:00 pmHNL - DUB

1 stop30h 45mDelta

Tue 10/215:55 amDUB - HNL

2 stops24h 55mDelta

Deal found 4/22

$853

Mon 6/210:05 pmHNL - DUB

1 stop22h 40mLufthansa

Fri 6/139:20 amDUB - HNL

1 stop22h 30mLufthansa

Deal found 4/23

$889

Sun 5/119:30 pmHNL - SNN

2 stops36h 05mBritish Airways

Tue 5/207:40 amSNN - HNL

2 stops26h 27mBritish Airways

Deal found 4/24

$902

Sun 11/911:30 pmHNL - SNN

3 stops26h 00mMultiple Airlines

Thu 11/277:45 amSNN - HNL

2 stops23h 49mMultiple Airlines

Deal found 4/24

$947

Tue 5/66:20 amHNL - DUB

1 stop21h 10mAmerican Airlines

Fri 5/163:25 pmDUB - HNL

1 stop31h 22mAmerican Airlines

Deal found 4/22

$1,040

Mon 6/910:45 pmHNL - DUB

2 stops25h 05mWestJet

Fri 6/1312:50 pmDUB - HNL

2 stops19h 47mWestJet

Deal found 4/23

$1,120

Fri 6/63:09 pmHNL - ORK

2 stops45h 21mMultiple Airlines

Fri 6/133:25 pmORK - HNL

2 stops40h 32mMultiple Airlines

Deal found 4/22

$1,138

Best flights from O'ahu to Ireland
Discover carefully curated flight deals from O'ahu to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Mon 5/1210:05 pmHNL - SNN

2 stops25h 10mUnited Airlines

Wed 5/289:30 amSNN - HNL

2 stops22h 58mUnited Airlines

Deal found 4/23

$693

Tue 10/1411:15 amHNL - DUB

2 stops34h 00mAir Canada

Tue 10/219:50 amDUB - HNL

2 stops46h 00mAir Canada

Deal found 4/22

$811

Tue 10/143:00 pmHNL - DUB

1 stop30h 45mDelta

Tue 10/215:55 amDUB - HNL

2 stops24h 55mDelta

Deal found 4/22

$853

Sun 6/110:05 pmHNL - DUB

1 stop22h 40mMultiple Airlines

Fri 6/139:50 amDUB - HNL

2 stops46h 00mMultiple Airlines

Deal found 4/22

$884

Mon 6/210:05 pmHNL - DUB

1 stop22h 40mLufthansa

Fri 6/139:20 amDUB - HNL

1 stop22h 30mLufthansa

Deal found 4/23

$889

Sun 5/119:30 pmHNL - SNN

2 stops36h 05mBritish Airways

Tue 5/207:40 amSNN - HNL

2 stops26h 27mBritish Airways

Deal found 4/24

$902

Tue 5/66:20 amHNL - DUB

1 stop21h 10mAmerican Airlines

Fri 5/163:25 pmDUB - HNL

1 stop31h 22mAmerican Airlines

Deal found 4/22

$1,040

Mon 6/910:45 pmHNL - DUB

2 stops25h 05mWestJet

Fri 6/1312:50 pmDUB - HNL

2 stops19h 47mWestJet

Deal found 4/23

$1,120

Thu 7/2411:45 pmHNL - DUB

1 stop27h 45mAer Lingus

Mon 8/43:25 pmDUB - HNL

1 stop31h 18mAer Lingus

Deal found 4/22

$1,402

Sat 7/269:40 pmHNL - DUB

2 stops47h 05mUnited Airlines

Sun 8/38:50 amDUB - HNL

2 stops37h 54mUnited Airlines

Deal found 4/22

$888

Fri 6/63:09 pmHNL - ORK

2 stops45h 21mMultiple Airlines

Fri 6/133:25 pmORK - HNL

2 stops40h 32mMultiple Airlines

Deal found 4/22

$1,138

Sat 6/711:26 pmHNL - ORK

2 stops33h 24mBritish Airways

Sat 6/148:30 pmORK - HNL

2 stops55h 58mBritish Airways

Deal found 4/23

$1,240

Last-minute flights from O'ahu to Ireland
Discover last-minute flight deals from O'ahu to Ireland. Data last updated April 24, 2025 and is based on user searches.

Wed 4/303:25 pmHNL - DUB

2 stops33h 05mScandinavian Airlines

Sat 5/1710:15 amDUB - HNL

2 stops21h 19mScandinavian Airlines

Deal found 4/22

$1,448

Wed 4/306:15 amHNL - DUB

1 stop21h 15mAer Lingus

Sat 5/173:25 pmDUB - HNL

1 stop31h 22mAer Lingus

Deal found 4/22

$1,600

Wed 4/304:05 pmHNL - DUB

1 stop28h 50mDelta

Sat 5/1710:00 amDUB - HNL

2 stops21h 34mDelta

Deal found 4/22

$1,680

Sun 5/47:50 pmHNL - SNN

2 stops27h 25mUnited Airlines

Sat 5/1712:30 pmSNN - HNL

2 stops33h 53mUnited Airlines

Deal found 4/23

$1,477

Sun 5/47:00 amHNL - SNN

3 stops26h 35mAir Canada

Sat 5/177:40 amSNN - HNL

2 stops24h 08mAir Canada

Deal found 4/23

$1,902

Tue 5/69:40 pmHNL - DUB

2 stops23h 35mAir Canada

Fri 5/169:20 amDUB - HNL

2 stops23h 43mAir Canada

Deal found 4/22

$819

Tue 5/64:05 pmHNL - DUB

1 stop28h 50mDelta

Fri 5/165:55 amDUB - HNL

2 stops24h 08mDelta

Deal found 4/22

$854

Tue 5/66:20 amHNL - DUB

1 stop21h 10mAmerican Airlines

Fri 5/163:25 pmDUB - HNL

1 stop31h 22mAmerican Airlines

Deal found 4/22

$1,040

Wed 5/77:55 pmHNL - DUB

2 stops24h 25mUnited Airlines

Sat 5/178:50 amDUB - HNL

2 stops24h 13mUnited Airlines

Deal found 4/22

$938

Wed 5/710:05 pmHNL - DUB

1 stop22h 40mLufthansa

Thu 5/1511:35 amDUB - HNL

2 stops21h 28mLufthansa

Deal found 4/21

$4,651

Wed 5/79:30 pmHNL - DUB

2 stops30h 05mBritish Airways

Thu 5/1510:40 amDUB - HNL

2 stops36h 07mBritish Airways

Deal found 4/21

$4,882

Sun 5/119:30 pmHNL - SNN

2 stops36h 05mBritish Airways

Tue 5/207:40 amSNN - HNL

2 stops26h 27mBritish Airways

Deal found 4/24

$902

One-way flights from O'ahu to Ireland
Search for one-way flight options from O'ahu to Ireland. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Sun 6/1510:45 pmHNL - DUB

3 stops47h 15mWestJet

Deal found 4/22

$441

Sat 6/219:05 pmHNL - DUB

2 stops50h 00mMultiple Airlines

Deal found 4/22

$484

Fri 5/306:20 amHNL - DUB

1 stop21h 10mAer Lingus

Deal found 4/23

$701

Sun 6/1510:05 pmHNL - DUB

1 stop22h 40mAir Canada

Deal found 4/22

$723

Tue 5/204:10 pmHNL - DUB

1 stop28h 45mDelta

Deal found 4/22

$730

Thu 5/296:20 amHNL - DUB

2 stops21h 15mBritish Airways

Deal found 4/22

$767

Fri 5/3010:15 pmHNL - DUB

2 stops20h 15mAmerican Airlines

Deal found 4/23

$768

Fri 6/2010:05 pmHNL - DUB

1 stop22h 40mLufthansa

Deal found 4/22

$793

Cheapflights Fare Finder

Use the filters below to find and compare flights from O'ahu to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HonoluluShannon

HNL - SNN

HNLSNN

Honolulu

Mon 5/12

10:05 pm-10:15 am

2 stops25h 10m

Shannon

Wed 5/28

9:30 am-9:28 pm

2 stops22h 58m

$693

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Tue 5/6

9:40 pm-8:15 am

2 stops23h 35m

Dublin

Fri 5/16

9:20 am-10:03 pm

2 stops23h 43m

$819

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Tue 5/6

4:05 pm-7:55 am

1 stop28h 50m

Dublin

Fri 5/16

5:55 am-7:03 pm

2 stops24h 08m

$854

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Sun 6/1

10:05 pm-7:45 am

1 stop22h 40m

Dublin

Fri 6/13

9:50 am-8:50 pm

2 stops46h 00m

$884

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Mon 6/2

10:05 pm-7:45 am

1 stop22h 40m

Dublin

Fri 6/13

9:20 am-8:50 pm

1 stop22h 30m

$889

HonoluluShannon

HNL - SNN

HNLSNN

Honolulu

Sun 5/11

9:30 pm-8:35 pm

2 stops36h 05m

Shannon

Tue 5/20

7:40 am-11:07 pm

2 stops26h 27m

$902

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Wed 5/7

7:55 pm-7:20 am

2 stops24h 25m

Dublin

Sat 5/17

8:50 am-10:03 pm

2 stops24h 13m

$938

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Tue 5/6

6:20 am-2:30 pm

1 stop21h 10m

Dublin

Fri 5/16

3:25 pm-11:47 am

1 stop31h 22m

$1,040

HonoluluDublin

HNL - DUB

HNLDUB

Honolulu

Mon 6/9

10:45 pm-10:50 am

2 stops25h 05m

Dublin

Fri 6/13

12:50 pm-9:37 pm

2 stops19h 47m

$1,120

HonoluluCork

HNL - ORK

HNLORK

Honolulu

Fri 6/6

3:09 pm-11:30 pm

2 stops45h 21m

Cork

Fri 6/13

3:25 pm-8:57 pm

2 stops40h 32m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 25 results

Best time to book a flight from O'ahu to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from O'ahu with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from O'ahu to Ireland

What is the cheapest month to book a flight from O'ahu to Ireland?

Currently, November is the cheapest month in which you can book a flight from O'ahu to Ireland (average of $509). Flying from O'ahu to Ireland in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FUW to IE?

When flying from O'ahu to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ireland by month

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from O'ahu to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,816 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

9,192 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from O'ahu to Ireland one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $441. Aer Lingus flights start at $701 while deals on Air Canada start at $723 one-way.
Can I find deals for flights from O'ahu to Ireland that include hotel bookings?
Yes. In addition to deals on O'ahu to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'ahu to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Ireland.
Can I find deals for business class flights from O'ahu to Ireland?
Yes. Cheapflights offers flight deals from O'ahu to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from O'ahu to Ireland?
Currently, November is the cheapest month in which you can book a flight from O'ahu to Ireland (average of $509). Flying from O'ahu to Ireland in June is currently the most expensive (average of $1,006). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from O'ahu to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$558	Average$985	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$564	Average$683	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$577	Average$941	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$581	Average$760	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$613	Average$1,028	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$623	Average$1,050	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$1,119	Average$1,381	FlexibilityNo cancel fee	On-time60%

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$441+ Cheap flights from O'ahu to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'ahu to Ireland with Cheapflights

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Cheap flight deals from O'ahu to Ireland

Keep the following information in mind while searching for O'ahu to Ireland flight deals. Data was last updated April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'ahu to Ireland

Cheapest flights from O'ahu to IrelandExplore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from O'ahu to Ireland that are best for you.

Best time to book a flight from O'ahu to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from O'ahu with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from O'ahu to Ireland

What is the cheapest month to book a flight from O'ahu to Ireland?

What is the cheapest time of day to fly from FUW to IE?

Find hourly flight availability from O'ahu to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Ireland

Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from O'ahu to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'ahu to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from O'ahu to Ireland one-way?

Can I find deals for flights from O'ahu to Ireland that include hotel bookings?

How can I find direct flights from O'ahu to Ireland?

Can I find deals for business class flights from O'ahu to Ireland?

What is the cheapest month to book a flight from O'ahu to Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'ahu to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from O'ahu to Ireland

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Cheapest flights from O'ahu to Ireland
Explore the most affordable flight options available from O'ahu to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.