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Cheap flights from Jacksonville to London from $321

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 10/4. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Jacksonville to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
1:20 pm - 7:50 am
JAX
-
LHR
13h 30m
1 stop
Virgin Atlantic Logo
3:50 pm - 12:02 am
LHR
-
JAX
13h 12m
1 stop
$524Virgin Atlantic
Sun, Nov 22 - Sat, Nov 28
United Airlines Logo
4:58 pm - 8:30 am
JAX
-
LHR
34h 32m
1 stop
United Airlines Logo
6:50 am - 7:09 pm
LHR
-
JAX
17h 19m
2 stops
$744United Airlines
Sun, Sep 27 - Wed, Sep 30
United Airlines Logo
12:40 pm - 9:20 pm
JAX
-
LHR
27h 40m
2 stops
United Airlines Logo
5:50 pm - 6:01 pm
LHR
-
JAX
29h 11m
2 stops
$754United Airlines
Sat, Oct 17 - Mon, Oct 19
Multiple Airlines Logo
7:14 pm - 11:40 am
JAX
-
LHR
11h 26m
1 stop
Multiple Airlines Logo
9:30 am - 9:10 pm
LHR
-
JAX
16h 40m
2 stops
$829Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
5:58 pm - 11:30 am
JAX
-
LHR
12h 32m
1 stop
Multiple Airlines Logo
6:50 am - 9:10 pm
LHR
-
JAX
19h 20m
2 stops
$830Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
4:58 pm - 10:00 am
JAX
-
LHR
36h 02m
2 stops
Multiple Airlines Logo
6:00 am - 8:54 pm
LHR
-
JAX
19h 54m
2 stops
$833Multiple Airlines
Sun, Sep 27 - Wed, Sep 30
Multiple Airlines Logo
5:58 pm - 4:35 pm
JAX
-
LHR
17h 37m
2 stops
Multiple Airlines Logo
9:30 am - 9:10 pm
LHR
-
JAX
16h 40m
2 stops
$837Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
5:58 pm - 4:35 pm
JAX
-
LHR
17h 37m
2 stops
Multiple Airlines Logo
6:50 am - 9:10 pm
LHR
-
JAX
19h 20m
2 stops
$838Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
7:12 pm - 6:55 am
JAX
-
LHR
30h 43m
2 stops
United Airlines Logo
6:50 am - 7:09 pm
LHR
-
JAX
17h 19m
2 stops
$843United Airlines
Fri, Oct 16 - Mon, Oct 19
United Airlines Logo
7:20 pm - 6:55 am
JAX
-
LHR
30h 35m
1 stop
United Airlines Logo
6:50 am - 7:09 pm
LHR
-
JAX
17h 19m
2 stops
$844United Airlines
Fri, Oct 16 - Mon, Oct 19

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United Airlines flights from Jacksonville to London Heathrow Airport

Our best United Airlines deals on Jacksonville to London Heathrow Airport flight tickets
United Airlines
Sep 27
JAX4:58 pmJacksonville
34h 32m
1 stop
LHR8:30 amLondon Heathrow
Sep 30
LHR6:50 amLondon Heathrow
17h 19m
2 stops
JAX7:09 pmJacksonville
$744
United Airlines
Oct 17
JAX12:40 pmJacksonville
27h 40m
2 stops
LHR9:20 pmLondon Heathrow
Oct 19
LHR5:50 pmLondon Heathrow
29h 11m
2 stops
JAX6:01 pmJacksonville
$754
United Airlines
Oct 16
JAX7:12 pmJacksonville
30h 43m
2 stops
LHR6:55 amLondon Heathrow
Oct 19
LHR6:50 amLondon Heathrow
17h 19m
2 stops
JAX7:09 pmJacksonville
$843

JetBlue flights from Jacksonville to London Heathrow Airport

Our best JetBlue deals on Jacksonville to London Heathrow Airport flight tickets
JetBlue
Sep 13
JAX7:00 pmJacksonville
20h 45m
1 stop
LHR8:45 pmLondon Heathrow
Sep 16
LHR8:15 amLondon Heathrow
14h 42m
1 stop
JAX5:57 pmJacksonville
$862
JetBlue
Aug 7
JAX11:01 amJacksonville
14h 29m
1 stop
LHR6:30 amLondon Heathrow
Aug 21
LHR8:40 amLondon Heathrow
16h 37m
1 stop
JAX8:17 pmJacksonville
$889
JetBlue
Sep 2
JAX10:06 amJacksonville
15h 24m
1 stop
LHR6:30 amLondon Heathrow
Sep 7
LHR8:40 amLondon Heathrow
30h 31m
1 stop
JAX10:11 amJacksonville
$893

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 23, 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 round-trip
Quickest round-trip

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sun 11/22

1:20 pm-7:50 am

1 stop13h 30m

London Heathrow

Sat 11/28

3:50 pm-12:02 am

1 stop13h 12m

$524

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sun 9/27

4:58 pm-8:30 am

1 stop34h 32m

London Heathrow

Wed 9/30

6:50 am-7:09 pm

2 stops17h 19m

$744

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sat 10/17

12:40 pm-9:20 pm

2 stops27h 40m

London Heathrow

Mon 10/19

5:50 pm-6:01 pm

2 stops29h 11m

$754

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Mon 11/2

7:14 pm-11:40 am

1 stop11h 26m

London Heathrow

Mon 11/16

9:30 am-9:10 pm

2 stops16h 40m

$829

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Tue 11/10

5:58 pm-11:30 am

1 stop12h 32m

London Heathrow

Tue 11/17

6:50 am-9:10 pm

2 stops19h 20m

$830

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Sun 9/27

4:58 pm-10:00 am

2 stops36h 02m

London Heathrow

Wed 9/30

6:00 am-8:54 pm

2 stops19h 54m

$833

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Mon 11/2

5:58 pm-4:35 pm

2 stops17h 37m

London Heathrow

Mon 11/16

9:30 am-9:10 pm

2 stops16h 40m

$837

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Tue 11/10

5:58 pm-4:35 pm

2 stops17h 37m

London Heathrow

Tue 11/17

6:50 am-9:10 pm

2 stops19h 20m

$838

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Fri 10/16

7:12 pm-6:55 am

2 stops30h 43m

London Heathrow

Mon 10/19

6:50 am-7:09 pm

2 stops17h 19m

$843

JacksonvilleLondon

JAX - LHR

JAXLHR

Jacksonville

Fri 10/16

7:20 pm-6:55 am

1 stop30h 35m

London Heathrow

Mon 10/19

6:50 am-7:09 pm

2 stops17h 19m

$844

Flights are sorted by cheapest round-trip 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?

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Jacksonville, with most prices found around $696. If you’re not able to fly to London Heathrow Airport in September, then March is your next best option. Flight prices from Jacksonville to London Heathrow Airport during March average around $720.

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 $890 when searching weeks out. 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 $698 on momondo.

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

As of June 2026, prices for Jacksonville to London Heathrow Airport flights are approximately 39% 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 round-trip 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

10h 40m

Direct flights

None
The fastest flight from Jacksonville to London Heathrow Airport takes 10h 40m
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?

    The straight-line distance from Jacksonville to London Heathrow is 4245.5 mi. Typically, this will take 10h 40m by plane in normal conditions.

  • 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 are refreshed on a daily basis.

  • How many operators does momondo search for flights from Jacksonville Airport to London Heathrow Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Jacksonville Airport to London Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Jacksonville to London Heathrow Airport?

Best airlines flying from Jacksonville to London Heathrow Airport

Compare and see reviews for airlines that fly from Jacksonville to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.1
3,002 reviews
Search JetBlue flights
British AirwaysPriceFrom $529Free CancellationRating
6.7
8,068 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $559Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $629Free CancellationRating
7.1
11,748 reviews
Search American Airlines flights
DeltaPriceFrom $631Free CancellationRating
7.8
8,430 reviews
Search Delta flights
United AirlinesPriceFrom $633Free CancellationRating
7.4
9,879 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Stratford-upon-Avon
Harrow
Slough
Watford
Cobham
Brentwood
Guildford
Ilford
Folkestone
Uxbridge

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Jacksonville to London. momondo saves you time and could save you money on your trip.

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

All flight searches from Jacksonville to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Jacksonville to London.

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

If you are not ready to book a flight from Jacksonville to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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