Portugal

$380+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — LIS
Mar 5 — Mar 121
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Cheap 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 February 3, 2026.

This Delta deal was found by Cheapflights users on 2/2. 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.
Tue 2/245:15 pm
HNL
-
OPO
2 stops31h 15m
Delta
Tue 3/35:00 am
OPO
-
HNL
2 stops26h 28m
Delta
Deal found 2/2$656
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:00 pm
HNL
-
LIS
2 stops33h 20m
Multiple Airlines
Tue 5/55:05 am
LIS
-
HNL
2 stops25h 44m
Multiple Airlines
Deal found 2/1$690
This Mytrip deal was found by Cheapflights users on 2/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:00 pm
HNL
-
LIS
2 stops33h 20m
Air Canada
Tue 5/511:25 am
LIS
-
HNL
2 stops43h 24m
Air Canada
Deal found 2/1$698
This United Airlines deal was found by Cheapflights users on 2/3. 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 5/47:55 pm
HNL
-
LIS
2 stops28h 05m
United Airlines
Fri 5/1512:20 pm
LIS
-
HNL
2 stops38h 04m
United Airlines
Deal found 2/3$712
This Delta deal was found by Cheapflights users on 1/31. 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.
Wed 5/68:35 pm
HNL
-
LIS
2 stops31h 20m
Delta
Wed 5/135:00 am
LIS
-
HNL
2 stops27h 11m
Delta
Deal found 1/31$719
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Sun 3/110:50 pm
HNL
-
LIS
2 stops23h 20m
United Airlines
Sun 3/85:00 am
LIS
-
HNL
2 stops25h 21m
United Airlines
Deal found 1/31$721
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/268:45 pm
HNL
-
OPO
2 stops26h 45m
United Airlines
Mon 3/212:30 pm
OPO
-
HNL
2 stops42h 30m
United Airlines
Deal found 2/2$725
This Delta deal was found by Cheapflights users on 1/31. 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 3/15:45 pm
HNL
-
LIS
1 stop29h 15m
Delta
Sun 3/812:20 pm
LIS
-
HNL
2 stops33h 12m
Delta
Deal found 1/31$747
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 9/17:50 pm
HNL
-
OPO
2 stops24h 00m
United Airlines
Wed 9/162:25 pm
OPO
-
HNL
2 stops39h 15m
United Airlines
Deal found 2/1$750
This British Airways deal was found by Cheapflights users on 2/2. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
HNL
-
LIS
2 stops29h 15m
British Airways
Sat 4/256:55 pm
LIS
-
HNL
2 stops37h 42m
British Airways
Deal found 2/2$752
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:45 pm
HNL
-
LIS
2 stops24h 35m
Lufthansa
Sat 4/257:25 am
LIS
-
HNL
2 stops46h 55m
Lufthansa
Deal found 2/1$788
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 4/163:40 pm
HNL
-
LIS
2 stops30h 10m
Delta
Sat 4/255:35 am
LIS
-
HNL
2 stops26h 45m
Delta
Deal found 2/2$809

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$656
(Delta)

One-way from

$380
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$858
Provider with most accurate pricing for Honolulu-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Honolulu-Lisbon Humberto Delgado flights.
From O'ahu to Portugal
One-way flight from O'ahu to Portugal
Highest demand for flights based on searches. 13% potential increase in price ($186 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 3, 2026.
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

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Tue 2/24

5:15 pm-10:30 am

2 stops31h 15m

Porto

Tue 3/3

5:00 am-9:28 pm

2 stops26h 28m

$656

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Tue 4/21

1:00 pm-9:20 am

2 stops33h 20m

Lisbon Humberto Delgado

Tue 5/5

5:05 am-7:49 pm

2 stops25h 44m

$690

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Tue 4/21

1:00 pm-9:20 am

2 stops33h 20m

Lisbon Humberto Delgado

Tue 5/5

11:25 am-7:49 pm

2 stops43h 24m

$698

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Mon 5/4

7:55 pm-11:00 am

2 stops28h 05m

Lisbon Humberto Delgado

Fri 5/15

12:20 pm-3:24 pm

2 stops38h 04m

$712

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Sun 3/1

12:35 pm-10:15 am

3 stops35h 40m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-9:58 pm

2 stops26h 58m

$725

HonoluluPorto

HNL - OPO

HNLOPO

Honolulu

Thu 2/26

8:45 pm-9:30 am

2 stops26h 45m

Porto

Mon 3/2

12:30 pm-9:21 pm

2 stops42h 51m

$725

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Sun 3/1

5:45 pm-9:00 am

1 stop29h 15m

Lisbon Humberto Delgado

Sun 3/8

12:20 pm-11:32 am

2 stops33h 12m

$747

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Wed 4/15

7:00 am-11:15 pm

2 stops29h 15m

Lisbon Humberto Delgado

Sat 4/25

6:55 pm-9:37 pm

2 stops37h 42m

$752

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Thu 4/16

3:40 pm-8:50 am

2 stops30h 10m

Lisbon Humberto Delgado

Sat 4/25

5:35 am-9:20 pm

2 stops26h 45m

$809

HonoluluLisbon

HNL - LIS

HNLLIS

Honolulu

Wed 2/25

10:50 pm-8:10 am

2 stops23h 20m

Lisbon Humberto Delgado

Sun 3/1

11:55 am-1:06 pm

2 stops35h 11m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 41 results
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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, April is the cheapest month in which you can book a flight from O'ahu to Portugal (average of $574). 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.

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 February 3, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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.

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $721, Delta can have you in Portugal from O'ahu in 23h 20m. 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, April is the cheapest month in which you can book a flight from O'ahu to Portugal (average of $574). 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

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Alternative routes for O'ahu to Portugal

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

Top 5 airlines flying from O'ahu to Portugal

Discover the top 5 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$574Average$993FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$588Average$1,209FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$735Average$1,227FlexibilityNo cancel feeOn-time76%
DeltaCheapest$895Average$1,171FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,141Average$1,233FlexibilityNo cancel feeOn-time71%

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