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$314+ Cheap flights from Jacksonville (JAX) 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — LIS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Jacksonville to Portugal

Cheapest flights from Jacksonville to Portugal
Explore the most affordable flight options available from Jacksonville to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/234:39 pmJAX - LIS
2 stops35h 16mUnited Airlines
Mon 12/2911:55 amLIS - JAX
1 stop13h 15mUnited Airlines
Deal found 12/21$1,043
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmJAX - LIS
1 stop10h 25mLufthansa
Fri 12/2611:55 amLIS - JAX
1 stop13h 15mLufthansa
Deal found 12/20$1,311
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 12/241:30 pmJAX - LIS
2 stops15h 45mUnited Airlines
Fri 12/2610:15 amLIS - JAX
2 stops14h 55mUnited Airlines
Deal found 12/20$1,368
This Ovago deal was found by Cheapflights users on 12/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:07 pmJAX - LIS
1 stop31h 48mBritish Airways
Mon 12/2911:05 amLIS - JAX
1 stop15h 35mBritish Airways
Deal found 12/21$1,480
This Arangrant deal was found by Cheapflights users on 12/22. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:40 amJAX - OPO
2 stops20h 10mLufthansa
Sat 1/312:30 pmOPO - JAX
2 stops38h 41mLufthansa
Deal found 12/22$8,730

Find flight deals from Jacksonville to Portugal

Keep the following information in mind while searching for Jacksonville to Portugal flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$428
(Kiwi.com)

One-way from

$314
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$749
Provider with most accurate pricing for Jacksonville-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-Lisbon Humberto Delgado flights.
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From Jacksonville to Portugal
Search Deals
One-way flight from Jacksonville to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 December 23, 2025.
Use the filters below to find and compare flights from Jacksonville to Portugal that are best for you.

Fly from

Jacksonville

Fly to

Portugal

Route

Depart

Return

Price

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Thu 2/19

4:39 pm-8:10 am

1 stop10h 31m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-3:37 pm

2 stops33h 17m

$483

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Thu 2/19

6:25 am-7:55 am

2 stops20h 30m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-6:08 pm

2 stops35h 48m

$490

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Sun 1/25

1:45 pm-8:10 am

2 stops13h 25m

Lisbon Humberto Delgado

Sun 2/1

5:00 am-8:10 pm

2 stops20h 10m

$494

JacksonvillePorto

JAX - OPO

JAXOPO

Jacksonville

Wed 2/4

1:45 pm-1:15 pm

2 stops18h 30m

Porto

Wed 2/11

6:00 am-10:52 pm

2 stops21h 52m

$494

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Wed 2/4

11:40 am-8:10 am

2 stops15h 30m

Lisbon Humberto Delgado

Wed 2/11

5:00 am-8:10 pm

2 stops20h 10m

$494

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Sat 1/31

9:51 am-12:10 pm

2 stops21h 19m

Lisbon Humberto Delgado

Sat 2/7

10:40 am-9:42 pm

1 stop16h 02m

$495

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Fri 1/23

3:05 pm-8:10 am

1 stop12h 05m

Lisbon Humberto Delgado

Tue 1/27

6:10 am-8:10 pm

2 stops19h 00m

$496

JacksonvillePorto

JAX - OPO

JAXOPO

Jacksonville

Thu 3/5

11:17 am-10:30 am

2 stops18h 13m

Porto

Fri 3/13

5:00 am-10:26 pm

2 stops21h 26m

$499

JacksonvilleLisbon

JAX - LIS

JAXLIS

Jacksonville

Sat 1/31

3:07 pm-3:10 pm

2 stops19h 03m

Lisbon Humberto Delgado

Sat 2/7

5:00 am-11:59 pm

2 stops23h 59m

$501

JacksonvillePorto

JAX - OPO

JAXOPO

Jacksonville

Sat 1/31

1:45 pm-12:50 pm

2 stops18h 05m

Porto

Sat 2/7

1:45 pm-8:10 pm

2 stops35h 25m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 31 results
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Best time to book a flight from Jacksonville to Portugal

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

What is the cheapest month to book a flight from Jacksonville to Portugal?

Currently, January is the cheapest month in which you can book a flight from Jacksonville to Portugal (average of $496). Flying from Jacksonville to Portugal in June is currently the most expensive (average of $985). 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 JAX to PT?

Find hourly flight availability from Jacksonville 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 December 23, 2025.

One of the essential ways to save on airfare from Jacksonville to Portugal is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 22% on airfare.

What is the cheapest day to fly from Jacksonville to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Jacksonville to Portugal flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 23, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Jacksonville to Portugal 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
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Delta
7.9
Good
8,014 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
United Airlines
7.4
Good
9,105 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Air Canada
7.1
Good
10,551 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
British Airways
6.7
Okay
7,605 reviews
Delta
7.9
Good
8,014 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Related info for your journey

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

  • What airport do you fly from for flights from Jacksonville to Portugal?

    For a flight from Jacksonville to Portugal, you will be flying from Jacksonville. Jacksonville (JAX) is just 11.2 mi from the center of the city.

  • How long is the flight from Jacksonville to Portugal?

    There are many flights that can get you from Jacksonville to Portugal in 13h 25m. Fly via Air Canada, United Airlines, or Lufthansa to get the fastest option. There are 4054 mi between Jacksonville and Portugal. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Jacksonville to Portugal one-way?

    The cheapest airlines for a one-way flight from Jacksonville to Portugal are American Airlines ($356), Lufthansa ($364), and United Airlines ($368).

  • What are the most popular routes from Jacksonville to Portugal?

    The most popular flight routes from Jacksonville to Portugal are Jacksonville - Lisbon Humberto Delgado, Jacksonville - Porto and Jacksonville - Ponta Delgada Nordela.

  • Can I find deals for flights from Jacksonville to Portugal that include hotel bookings?

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

  • How can I find direct flights from Jacksonville to Portugal?

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

  • Can I find deals for business class flights from Jacksonville to Portugal?

    Yes. Cheapflights offers flight deals from Jacksonville 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 Jacksonville to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Jacksonville to Portugal (average of $496). Flying from Jacksonville to Portugal in June is currently the most expensive (average of $985). 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.

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Top 6 airlines flying from Jacksonville to Portugal

Discover the top 6 airlines that operate flights from Jacksonville 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$480Average$654FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$555Average$870FlexibilityNo cancel feeOn-time69%
DeltaCheapest$613Average$970FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$639Average$1,088FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$650Average$1,033FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$682Average$1,017FlexibilityNo cancel feeOn-time67%

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