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Cheap flights from Jacksonville to London from £242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Jacksonville to London departing on 29/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Jacksonville to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
19:12 - 20:40
JAX
-
LHR
20h 28m
1 stop
United Airlines Logo
17:55 - 19:09
LHR
-
JAX
30h 14m
2 stops
£549United Airlines
Sat, 17 Oct - Mon, 19 Oct
United Airlines Logo
12:40 - 20:40
JAX
-
LHR
27h 00m
2 stops
United Airlines Logo
17:55 - 18:01
LHR
-
JAX
29h 06m
2 stops
£552United Airlines
Sat, 17 Oct - Mon, 19 Oct
Multiple Airlines Logo
15:42 - 21:00
JAX
-
LHR
24h 18m
2 stops
Multiple Airlines Logo
20:05 - 19:09
LHR
-
JAX
28h 04m
2 stops
£553Multiple Airlines
Sat, 17 Oct - Mon, 19 Oct
Multiple Airlines Logo
19:20 - 06:35
JAX
-
LHR
30h 15m
2 stops
Multiple Airlines Logo
20:05 - 19:09
LHR
-
JAX
28h 04m
2 stops
£559Multiple Airlines
Sat, 17 Oct - Mon, 19 Oct
Multiple Airlines Logo
11:32 - 06:45
JAX
-
LHR
15h 13m
1 stop
Multiple Airlines Logo
09:00 - 21:10
LHR
-
JAX
17h 10m
2 stops
£618Multiple Airlines
Mon, 26 Oct - Wed, 4 Nov
Multiple Airlines Logo
13:37 - 07:20
JAX
-
LHR
12h 43m
1 stop
Multiple Airlines Logo
09:30 - 22:30
LHR
-
JAX
18h 00m
2 stops
£622Multiple Airlines
Tue, 1 Dec - Mon, 7 Dec
Multiple Airlines Logo
16:03 - 11:20
JAX
-
LHR
15h 17m
2 stops
Multiple Airlines Logo
09:00 - 21:10
LHR
-
JAX
17h 10m
2 stops
£624Multiple Airlines
Mon, 26 Oct - Wed, 4 Nov
Multiple Airlines Logo
19:10 - 15:50
JAX
-
LHR
15h 40m
2 stops
Multiple Airlines Logo
09:00 - 21:10
LHR
-
JAX
17h 10m
2 stops
£625Multiple Airlines
Wed, 11 Nov - Wed, 18 Nov
Multiple Airlines Logo
13:55 - 06:45
JAX
-
LHR
12h 50m
1 stop
Multiple Airlines Logo
09:20 - 18:10
LHR
-
JAX
13h 50m
1 stop
£626Multiple Airlines
Mon, 26 Oct - Wed, 4 Nov
Multiple Airlines Logo
12:04 - 12:05
JAX
-
LHR
19h 01m
2 stops
Multiple Airlines Logo
09:30 - 22:30
LHR
-
JAX
18h 00m
2 stops
£628Multiple Airlines
Tue, 1 Dec - Mon, 7 Dec

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Iberia flights from Jacksonville to London Heathrow Airport

Our best Iberia deals on Jacksonville to London Heathrow Airport flight tickets
Iberia
28 Oct
JAX20:41Jacksonville
11h 24m
1 stop
LHR12:05London Heathrow
3 Nov
LHR10:45London Heathrow
18h 14m
2 stops
JAX23:59Jacksonville
£639
Iberia
28 Oct
JAX13:55Jacksonville
18h 10m
1 stop
LHR12:05London Heathrow
3 Nov
LHR07:30London Heathrow
18h 40m
2 stops
JAX21:10Jacksonville
£641
Iberia
28 Oct
JAX20:41Jacksonville
15h 24m
2 stops
LHR16:05London Heathrow
3 Nov
LHR10:45London Heathrow
18h 14m
2 stops
JAX23:59Jacksonville
£645

JetBlue flights from Jacksonville to London Heathrow Airport

Our best JetBlue deals on Jacksonville to London Heathrow Airport flight tickets
JetBlue
1 Sept
JAX17:35Jacksonville
10h 55m
1 stop
LHR09:30London Heathrow
9 Sept
LHR08:15London Heathrow
14h 42m
1 stop
JAX17:57Jacksonville
£640
JetBlue
7 Sept
JAX11:01Jacksonville
14h 29m
1 stop
LHR06:30London Heathrow
14 Sept
LHR08:40London Heathrow
12h 21m
1 stop
JAX16:01Jacksonville
£644
JetBlue
25 Aug
JAX17:36Jacksonville
22h 09m
1 stop
LHR20:45London Heathrow
29 Sept
LHR08:15London Heathrow
14h 42m
1 stop
JAX17:57Jacksonville
£648

momondo Fare Finder

 
Customise your flight search to find flights from Jacksonville to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 21 July 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 - LHR

JAXLHR

Jacksonville

Sat 17/10

19:12-20:40

1 stop20h 28m

London Heathrow

Mon 19/10

17:55-19:09

2 stops30h 14m

£549

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sat 17/10

12:40-20:40

2 stops27h 00m

London Heathrow

Mon 19/10

17:55-18:01

2 stops29h 06m

£552

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sat 17/10

15:42-21:00

2 stops24h 18m

London Heathrow

Mon 19/10

20:05-19:09

2 stops28h 04m

£553

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sat 17/10

19:20-06:35

2 stops30h 15m

London Heathrow

Mon 19/10

20:05-19:09

2 stops28h 04m

£559

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Mon 26/10

11:32-06:45

1 stop15h 13m

London Heathrow

Wed 4/11

09:00-21:10

2 stops17h 10m

£618

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Tue 1/12

13:37-07:20

1 stop12h 43m

London Heathrow

Mon 7/12

09:30-22:30

2 stops18h 00m

£622

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Mon 26/10

16:03-11:20

2 stops15h 17m

London Heathrow

Wed 4/11

09:00-21:10

2 stops17h 10m

£624

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Wed 11/11

19:10-15:50

2 stops15h 40m

London Heathrow

Wed 18/11

09:00-21:10

2 stops17h 10m

£625
Fastest return journey

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Mon 26/10

13:55-06:45

1 stop12h 50m

London Heathrow

Wed 4/11

09:20-18:10

1 stop13h 50m

£626

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Tue 1/12

12:04-12:05

2 stops19h 01m

London Heathrow

Mon 7/12

09:30-22:30

2 stops18h 00m

£628

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Jacksonville to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Jacksonville and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, December is the cheapest month to fly from Jacksonville to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £506. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Jacksonville averaging around £535.

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

You are more likely to see cheaper flights to London Heathrow Airport from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £666 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Jacksonville for as low as £590 on momondo.

How have Jacksonville to London Heathrow Airport flight prices changed over time?

As of July 2026, prices for Jacksonville to London Heathrow Airport flights are approximately 43% cheaper when compared to flights at the same time last year.

When to book flights from Jacksonville to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Jacksonville to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Jacksonville to London Heathrow Airport (JAX to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Jacksonville to London Heathrow Airport

Fastest flight time

14h 10m

Direct flights

None
The fastest flight from Jacksonville to London Heathrow Airport takes 14h 10m
There are no direct flights from Jacksonville to London Heathrow Airport. There are no popular flight routes from Jacksonville to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Jacksonville to London Heathrow Airport

  • How far is Jacksonville to London Heathrow by plane?

    A flight from Jacksonville to London Heathrow will travel around 4245.5 mi. In terms of flight time, this usually takes a little over 14h 10m.

  • When did momondo last update prices for flights from Jacksonville Airport to London Heathrow Airport?

    Prices for flights from Jacksonville Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Jacksonville Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Jacksonville Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Stratford-upon-Avon
Southend-on-Sea
Slough
Northampton
Ipswich
Maidstone
Swindon
Folkestone
Ilford
Hastings
Poole
Canterbury
Guildford
Chichester
Hayes

Why use momondo?

Why should I use momondo to find a flight deal from Jacksonville to London?

Finding the right flight to London from Jacksonville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Jacksonville to London with flexible booking policies on momondo?

Yes. All flights to London from Jacksonville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Jacksonville to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Jacksonville.

I’m not ready to book a flight from Jacksonville to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Jacksonville to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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