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Cheap flights from Grand Junction to London from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Grand Junction to London departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Grand Junction to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:30 am - 10:00 am
GJT
-
LHR
21h 30m
2 stops
Air Canada Logo
2:05 pm - 10:10 pm
LHR
-
GJT
39h 05m
2 stops
$887Air Canada
Tue, Sep 15 - Tue, Sep 29
British Airways Logo
12:59 pm - 12:50 pm
GJT
-
LHR
16h 51m
1 stop
British Airways Logo
11:00 am - 10:01 pm
LHR
-
GJT
18h 01m
1 stop
$899British Airways
Tue, Sep 15 - Tue, Sep 29
Delta Logo
6:51 pm - 8:10 pm
GJT
-
LHR
18h 19m
2 stops
Delta Logo
6:15 am - 10:00 pm
LHR
-
GJT
22h 45m
2 stops
$997Delta
Fri, May 8 - Fri, May 22
Delta Logo
6:51 pm - 8:10 pm
GJT
-
LHR
18h 19m
2 stops
Delta Logo
6:15 am - 10:00 pm
LHR
-
GJT
22h 45m
2 stops
$998Delta
Fri, May 8 - Fri, May 22
Delta Logo
6:51 pm - 8:10 pm
GJT
-
LHR
18h 19m
2 stops
Delta Logo
6:15 am - 10:00 pm
LHR
-
GJT
22h 45m
2 stops
$999Delta
Fri, May 8 - Fri, May 22
United Airlines Logo
6:04 pm - 12:25 pm
GJT
-
LHR
11h 21m
1 stop
United Airlines Logo
11:25 am - 10:11 pm
LHR
-
GJT
17h 46m
1 stop
$1,014United Airlines
Fri, May 8 - Fri, May 22
United Airlines Logo
7:00 am - 9:40 am
GJT
-
LHR
19h 40m
1 stop
United Airlines Logo
2:50 pm - 8:34 pm
LHR
-
GJT
12h 44m
1 stop
$1,015United Airlines
Fri, May 8 - Fri, May 22
United Airlines Logo
7:00 am - 6:30 am
GJT
-
LHR
16h 30m
2 stops
United Airlines Logo
2:50 pm - 8:34 pm
LHR
-
GJT
12h 44m
1 stop
$1,017United Airlines
Fri, May 8 - Fri, May 22
United Airlines Logo
7:00 am - 6:30 am
GJT
-
LHR
16h 30m
2 stops
United Airlines Logo
2:50 pm - 8:34 pm
LHR
-
GJT
12h 44m
1 stop
$1,018United Airlines
Fri, May 8 - Fri, May 22
United Airlines Logo
7:00 am - 6:30 am
GJT
-
LHR
16h 30m
2 stops
United Airlines Logo
2:50 pm - 10:11 pm
LHR
-
GJT
14h 21m
1 stop
$1,019United Airlines
Fri, May 8 - Fri, May 22

Delta flights from Grand Junction to London Heathrow Airport

Our best Delta deals on Grand Junction to London Heathrow Airport flight tickets
Delta
May 8
GJT6:51 pmGrand Junction Regnl
18h 19m
2 stops
LHR8:10 pmLondon Heathrow
May 22
LHR6:15 amLondon Heathrow
22h 45m
2 stops
GJT10:00 pmGrand Junction Regnl
$997
Delta
May 8
GJT6:51 pmGrand Junction Regnl
18h 19m
2 stops
LHR8:10 pmLondon Heathrow
May 22
LHR6:15 amLondon Heathrow
22h 45m
2 stops
GJT10:00 pmGrand Junction Regnl
$998
Delta
May 8
GJT6:51 pmGrand Junction Regnl
18h 19m
2 stops
LHR8:10 pmLondon Heathrow
May 22
LHR6:15 amLondon Heathrow
22h 45m
2 stops
GJT10:00 pmGrand Junction Regnl
$999

United Airlines flights from Grand Junction to London Heathrow Airport

Our best United Airlines deals on Grand Junction to London Heathrow Airport flight tickets
United Airlines
May 8
GJT6:04 pmGrand Junction Regnl
11h 21m
1 stop
LHR12:25 pmLondon Heathrow
May 22
LHR11:25 amLondon Heathrow
17h 46m
1 stop
GJT10:11 pmGrand Junction Regnl
$1,014
United Airlines
May 8
GJT7:00 amGrand Junction Regnl
19h 40m
1 stop
LHR9:40 amLondon Heathrow
May 22
LHR2:50 pmLondon Heathrow
12h 44m
1 stop
GJT8:34 pmGrand Junction Regnl
$1,015
United Airlines
May 8
GJT7:00 amGrand Junction Regnl
16h 30m
2 stops
LHR6:30 amLondon Heathrow
May 22
LHR2:50 pmLondon Heathrow
12h 44m
1 stop
GJT8:34 pmGrand Junction Regnl
$1,017

momondo Fare Finder

 
Customize your flight search to find flights from Grand Junction 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 April 4, 2026.
Use the filters below to find and compare flights from Grand Junction to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Tue 9/15

5:30 am-10:00 am

2 stops21h 30m

London Heathrow

Tue 9/29

2:05 pm-10:10 pm

2 stops39h 05m

$887

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Tue 9/15

12:59 pm-12:50 pm

1 stop16h 51m

London Heathrow

Tue 9/29

11:00 am-10:01 pm

1 stop18h 01m

$899

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

6:51 pm-8:10 pm

2 stops18h 19m

London Heathrow

Fri 5/22

6:15 am-10:00 pm

2 stops22h 45m

$997

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

6:51 pm-8:10 pm

2 stops18h 19m

London Heathrow

Fri 5/22

6:15 am-10:00 pm

2 stops22h 45m

$998

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

6:51 pm-8:10 pm

2 stops18h 19m

London Heathrow

Fri 5/22

6:15 am-10:00 pm

2 stops22h 45m

$999
Quickest round-trip

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

6:04 pm-12:25 pm

1 stop11h 21m

London Heathrow

Fri 5/22

11:25 am-10:11 pm

1 stop17h 46m

$1,014

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

7:00 am-9:40 am

1 stop19h 40m

London Heathrow

Fri 5/22

2:50 pm-8:34 pm

1 stop12h 44m

$1,015

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Fri 5/22

2:50 pm-8:34 pm

1 stop12h 44m

$1,017

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Fri 5/22

2:50 pm-8:34 pm

1 stop12h 44m

$1,018

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 5/8

7:00 am-6:30 am

2 stops16h 30m

London Heathrow

Fri 5/22

2:50 pm-10:11 pm

1 stop14h 21m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Grand Junction 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 cheapest airline that flies from Grand Junction Regnl to London Heathrow?

American Airlines and United Airlines are the most popular carriers operating from Grand Junction Regnl to London Heathrow

When to book flights from Grand Junction to London Heathrow Airport

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

Cheap Grand Junction to London Heathrow Airport (GJT to LHR) flight deals and tips

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

Fastest flight time

16h 51m

Direct flights

None
The fastest flight from Grand Junction to London Heathrow Airport takes 16h 51m
There are no direct flights from Grand Junction to London Heathrow Airport. There are no popular flight routes from Grand Junction to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Grand Junction to London Heathrow Airport

  • How far is Grand Junction Regnl to London Heathrow by plane?

    The distance between Grand Junction Regnl and London Heathrow is about 4830.0 mi. 16h 51m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Grand Junction Regnl Airport to London Heathrow Airport?

    Prices for flights from Grand Junction Regnl Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from Grand Junction Regnl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Grand Junction Regnl 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.

Traveling to a place near London?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Grand Junction to London for you.

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

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

How can momondo help me find flights from Grand Junction to London?

Once you have performed a search for Grand Junction to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Grand Junction 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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