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Cheap flights from Jacksonville to London Heathrow Airport from £239

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — LHR
8 Sep — 15 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Jacksonville to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Jacksonville to Heathrow
Explore the most affordable flight options available from Jacksonville to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 August 2026.

Mon 28/909:40 -
2 stops25h 45m
Mon 5/1020:05 -
2 stops28h 04m
Deal found 6/8£613
Fri 18/911:41 -
1 stop13h 49m
Mon 21/908:40 -
2 stops17h 14m
Deal found 6/8£619
Wed 9/915:10 -
1 stop13h 20m
Wed 23/908:40 -
2 stops17h 14m
Deal found 9/8£619
Wed 23/911:41 -
1 stop13h 49m
Sun 4/1020:05 -
2 stops28h 04m
Deal found 5/8£620
Fri 11/912:10 -
1 stop13h 20m
Tue 22/909:30 -
2 stops16h 24m
Deal found 5/8£623
Wed 23/911:41 -
1 stop13h 49m
Tue 29/909:30 -
2 stops16h 24m
Deal found 4/8£624
Thu 24/919:00 -
1 stop20h 45m
Mon 5/1006:50 -
2 stops19h 04m
Deal found 5/8£625
Wed 7/1009:40 -
2 stops15h 50m
Tue 13/1020:05 -
2 stops28h 04m
Deal found 7/8£625
Thu 5/1115:44 -
1 stop34h 56m
Sun 8/1106:50 -
2 stops16h 07m
Deal found 6/8£626
Wed 16/915:10 -
1 stop24h 35m
Wed 30/906:00 -
2 stops18h 09m
Deal found 8/8£628
Wed 7/1013:55 -
1 stop14h 05m
Tue 13/1019:25 -
2 stops33h 34m
Deal found 7/8£628

Find flight deals from Jacksonville to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 August 2026.

Round-trip from

£613

One-way from

£239

Popular in

June

Cheapest in

March

Average price

£728
SWISS
  • SWISS
  • 28/9-5/10
  • 4 total stops
  • 53h 49m total
  • Jacksonville to London
Search Deals
British Airways
  • British Airways
  • 9/11
  • 1 total stop
  • 12h 05m total
  • Jacksonville to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Jacksonville to Heathrow 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 858,174 searches. Data last updated 9 August 2026.
Use the filters below to find and compare flights from Jacksonville to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Mon 28/9

09:40-07:55

2 stops17h 15m

London Heathrow

Mon 5/10

20:05-19:09

2 stops28h 04m

£648

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Tue 6/10

12:40-06:55

1 stop13h 15m

London Heathrow

Mon 12/10

17:55-18:01

2 stops29h 06m

£651

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Tue 29/9

15:10-09:30

1 stop13h 20m

London Heathrow

Fri 2/10

08:15-18:10

1 stop14h 55m

£656

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Mon 28/9

09:40-07:55

2 stops17h 15m

London Heathrow

Sun 4/10

20:05-19:09

2 stops28h 04m

£685

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Sun 11/10

19:20-10:40

1 stop10h 20m

London Heathrow

Mon 19/10

07:30-18:01

2 stops15h 31m

£687

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Wed 9/9

14:29-10:20

2 stops14h 51m

London Heathrow

Tue 29/9

06:30-17:22

2 stops15h 52m

£691

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Sat 31/10

19:10-07:10

2 stops32h 00m

London Heathrow

Sun 22/11

07:30-21:10

2 stops18h 40m

£693

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Tue 15/9

15:49-09:20

1 stop12h 31m

London Heathrow

Fri 25/9

07:30-18:01

2 stops15h 31m

£696

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Thu 8/10

18:16-12:35

1 stop13h 19m

London Heathrow

Mon 12/10

12:15-23:59

1 stop16h 44m

£737
Fastest return journey

JacksonvilleLondon

JAX Jacksonville - LHR London Heathrow

JAXLHR

Jacksonville

Fri 25/9

15:39-07:15

1 stop10h 36m

London Heathrow

Sun 4/10

07:45-14:36

1 stop11h 51m

£737

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Jacksonville to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Jacksonville with our price prediction graph.
Estimated return 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 London Heathrow Airport

How far ahead should I book a flight from Jacksonville to London Heathrow Airport?

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Jacksonville to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Jacksonville to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Jacksonville to London Heathrow Airport (average of £533). Flying from Jacksonville to London Heathrow Airport in June is currently the most expensive (average of £1,017). 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.

How much does it cost for a return flight from Jacksonville to London Heathrow Airport?

Airfare is below average for this route at the moment.

Jacksonville to London Heathrow Airport flights typically cost between £693 and £822 in September.
The cheapest return price found within the last 5 days was £613 on SWISS (28 Sept–5 Oct).

Related info for your journey

Find useful and relevant information for your journey from Jacksonville to Heathrow. 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 London Heathrow?

    For a flight from Jacksonville to London Heathrow, you will be flying from Jacksonville. Jacksonville (JAX) is just 11.2 mi from the center of the city. Jacksonville is the only Jacksonville airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Jacksonville on a regular basis.

  • How long is the flight from Jacksonville to London Heathrow Airport?

    SWISS, United Airlines, and JetBlue can get you from Jacksonville to London Heathrow Airport in just under 13h 15m. Your travel time can differ by up to 4h. There are 4239 mi between Jacksonville and London Heathrow Airport. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Jacksonville to Heathrow 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 London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Jacksonville to London Heathrow Airport (average of £533). Flying from Jacksonville to London Heathrow Airport in June is currently the most expensive (average of £1,017). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Poole

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Why should you use Cheapflights to find cheap flight tickets from Jacksonville to Heathrow?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Jacksonville to Heathrow.

Can Cheapflights find flights from Jacksonville to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Jacksonville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Jacksonville to Heathrow become cheaper?

Of course! You can now track prices for flights from Jacksonville to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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