HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$448+ Cheap flights from O'ahu to Portugal

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — LIS
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'ahu to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from O'ahu to Portugal

Cheapest flights from O'ahu to Portugal
Explore the most affordable flight options available from O'ahu to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:00 amHNL - LIS
2 stops30h 30mLufthansa
Wed 11/55:00 amLIS - HNL
2 stops26h 03mLufthansa
Deal found 10/22$686
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:05 pmHNL - LIS
2 stops28h 05mUnited Airlines
Wed 12/35:00 amLIS - HNL
2 stops26h 03mUnited Airlines
Deal found 10/21$696
This Air France deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:32 pmHNL - LIS
2 stops23h 28mAir France
Wed 12/36:30 pmLIS - HNL
2 stops35h 59mAir France
Deal found 10/19$706
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2310:55 pmHNL - LIS
2 stops48h 25mAir Canada
Sat 12/611:20 amLIS - HNL
2 stops35h 23mAir Canada
Deal found 10/21$740
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:00 amHNL - LIS
2 stops28h 25mAir France
Fri 12/125:30 amLIS - HNL
2 stops26h 18mAir France
Deal found 10/20$756
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:15 pmHNL - LIS
1 stop29h 45mDelta
Sat 12/65:00 amLIS - HNL
2 stops25h 29mDelta
Deal found 10/21$764
This Air France deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:15 pmHNL - LIS
1 stop29h 45mMultiple Airlines
Thu 12/116:30 pmLIS - HNL
2 stops37h 18mMultiple Airlines
Deal found 10/19$794
This Cheapflightsfares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/229:25 amHNL - LIS
2 stops25h 25mLufthansa
Wed 11/55:00 amLIS - HNL
2 stops26h 40mLufthansa
Deal found 10/21$841
This Ovago deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/610:55 pmHNL - LIS
2 stops24h 25mLufthansa
Sat 12/132:10 pmLIS - HNL
2 stops41h 30mLufthansa
Deal found 10/22$882
This Air France deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:15 pmHNL - OPO
2 stops25h 15mMultiple Airlines
Mon 1/54:10 pmOPO - HNL
2 stops35h 50mMultiple Airlines
Deal found 10/20$1,326
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:25 pmHNL - OPO
3 stops35h 15mUnited Airlines
Mon 1/512:30 pmOPO - HNL
2 stops42h 38mUnited Airlines
Deal found 10/20$2,067
This Air France deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:50 pmHNL - PDL
2 stops31h 30mAir France
Tue 12/237:30 amPDL - HNL
2 stops48h 17mAir France
Deal found 10/20$5,919

Cheap flight deals from O'ahu to Portugal

Keep the following information in mind while searching for O'ahu to Portugal flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$686
(Cheapflightsfares)

One-way from

$448
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,063
Provider with most accurate pricing for Honolulu-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-Lisbon Humberto Delgado flights.
Search Deals
From O'ahu to Portugal
Search Deals
One-way flight from O'ahu to Portugal
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'ahu to Portugal 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, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from O'ahu to Portugal that are best for you.

Fly from

O'ahu

Fly to

Portugal

Route

Depart

Return

Price

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Mon 11/3

8:00 am-11:30 pm

2 stops29h 30m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-10:30 pm

2 stops27h 30m

$686

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Tue 3/10

7:00 am-11:30 pm

2 stops30h 30m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-8:21 pm

2 stops25h 21m

$688

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Mon 11/3

6:05 pm-8:10 am

2 stops28h 05m

Lisbon Humberto Delgado

Wed 12/3

5:00 am-9:03 pm

2 stops26h 03m

$696

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Mon 11/3

11:32 pm-9:00 am

2 stops23h 28m

Lisbon Humberto Delgado

Wed 12/3

6:30 pm-8:29 pm

2 stops35h 59m

$706

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Fri 12/5

8:00 am-10:25 pm

2 stops28h 25m

Lisbon Humberto Delgado

Fri 12/12

5:30 am-9:48 pm

2 stops26h 18m

$756

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Wed 1/7

10:55 pm-9:20 am

2 stops24h 25m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-9:40 pm

2 stops26h 40m

$761

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Sun 11/23

5:15 pm-9:00 am

1 stop29h 45m

Lisbon Humberto Delgado

Sat 12/6

5:00 am-8:29 pm

2 stops25h 29m

$764

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Tue 3/10

11:50 am-10:15 am

3 stops36h 25m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-9:43 pm

2 stops26h 43m

$780

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Wed 1/7

8:30 pm-8:10 am

2 stops25h 40m

Lisbon Humberto Delgado

Sun 1/18

5:00 am-9:08 pm

2 stops26h 08m

$792

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 3/5

10:55 pm-11:40 pm

2 stops38h 45m

Porto

Mon 3/9

1:45 pm-8:40 pm

2 stops40h 55m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 24 results
1
2
3

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

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

Currently, March is the cheapest month in which you can book a flight from O'ahu to Portugal (average of $697). Flying from O'ahu to Portugal in June is currently the most expensive (average of $1,383). 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 PT?

Find hourly flight availability from O'ahu to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

When flying from O'ahu to Portugal, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 59% versus a flight in the morning.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated October 22, 2025.
Peruse reviews from past customers who have flown with Delta, Air France, and United Airlines from O'ahu to Portugal to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,979 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,979 reviews
Delta
7.9
Good
7,979 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air France
7.4
Good
1,476 reviews
Delta
7.9
Good
7,979 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,988 reviews
Delta
7.9
Good
7,979 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,341 reviews
Delta
7.9
Good
7,979 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,509 reviews
Delta
7.9
Good
7,979 reviews

Overall

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

  • How long is the flight from O'ahu to Portugal?

    For as low as $706, Lufthansa can have you in Portugal from O'ahu in 23h 28m. There are 7813 mi between O'ahu and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from O'ahu to Portugal 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 Portugal?

    Currently, March is the cheapest month in which you can book a flight from O'ahu to Portugal (average of $697). Flying from O'ahu to Portugal in June is currently the most expensive (average of $1,383). 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

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

Alternative routes for O'ahu to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Honolulu to Heathrow flights
Honolulu to Arlanda flights
Honolulu to Istanbul flights
Honolulu to Frankfurt flights
Honolulu to Gatwick flights
Honolulu to Barcelona-El Prat flights
Honolulu to London City flights
Kailua-Kona to Heathrow flights
Honolulu to Charles de Gaulle flights
Honolulu to Sabiha Gokcen flights
Honolulu to Lisbon flights
Kahului to Heathrow flights
Honolulu to Madrid flights
Honolulu to Dublin flights
Honolulu to Athens flights
Honolulu to Leonardo da Vinci/Fiumicino flights
Honolulu to Oslo Gardermoen flights
Honolulu to Keflavik Intl flights
Hilo to Heathrow flights
Kailua-Kona to Charles de Gaulle flights
Honolulu to Zurich flights
Honolulu to Geneva flights
Honolulu to Munich flights
Honolulu to Amsterdam flights
Honolulu to Bruxelles-National flights
Kahului to Charles de Gaulle flights
Honolulu to Orly flights
Honolulu to Prague flights
Kailua-Kona to Frankfurt flights
Lihue to Heathrow flights
Kahului to Leonardo da Vinci/Fiumicino flights
Honolulu to Edinburgh flights
Kailua-Kona to Helsinki flights
Kahului to Lisbon flights
Honolulu to Florence flights
Honolulu to Naples flights
Honolulu to Vienna flights
Kailua-Kona to Dublin flights
Kailua-Kona to Oslo Gardermoen flights
Kahului to Keflavik Intl flights
Kahului to Munich flights
Honolulu to Berlin flights
Honolulu to Budapest flights
Honolulu to Nice flights
Honolulu to Frederic Chopin flights
Kailua-Kona to Leonardo da Vinci/Fiumicino flights
Honolulu to Copenhagen flights
Honolulu to Duesseldorf Intl flights
Honolulu to Glasgow Intl flights

Top 7 airlines flying from O'ahu to Portugal

Discover the top 7 airlines that operate flights from O'ahu to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$662Average$1,294FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$664Average$1,092FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$777Average$1,143FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$834Average$1,374FlexibilityNo cancel feeOn-time70%
DeltaCheapest$858Average$1,099FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$864Average$1,233FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$882Average$1,179FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.