Cheap flights from Grand Junction to London from $623

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Grand Junction to London departing on 3/19. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 am - 7:10 am
GJT
-
LHR
19h 40m2 stops
Multiple Airlines Logo
6:35 am - 8:37 pm
LHR
-
GJT
44h 02m2 stops
$623Multiple Airlines
Thu, Mar 19 - Tue, Mar 24
Air Canada Logo
7:00 am - 7:10 am
GJT
-
LHR
17h 10m2 stops
Air Canada Logo
3:00 pm - 10:27 pm
LHR
-
GJT
38h 27m2 stops
$636Air Canada
Fri, Jan 30 - Tue, Feb 3
Air Canada Logo
7:00 am - 7:10 am
GJT
-
LHR
17h 10m2 stops
Air Canada Logo
3:00 pm - 10:27 pm
LHR
-
GJT
38h 27m2 stops
$637Air Canada
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:38 pm - 9:40 am
GJT
-
LHR
13h 02m1 stop
United Airlines Logo
7:30 am - 4:54 pm
LHR
-
GJT
16h 24m2 stops
$639United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:43 pm - 9:40 am
GJT
-
LHR
12h 57m1 stop
United Airlines Logo
7:30 am - 10:21 pm
LHR
-
GJT
21h 51m2 stops
$640United Airlines
Fri, Feb 13 - Tue, Feb 17
Air Canada Logo
1:40 pm - 7:10 am
GJT
-
LHR
35h 30m2 stops
Air Canada Logo
3:00 pm - 10:03 am
LHR
-
GJT
49h 03m2 stops
$651Air Canada
Sun, Mar 15 - Sun, Mar 22
United Airlines Logo
11:29 am - 9:40 am
GJT
-
LHR
15h 11m1 stop
United Airlines Logo
11:35 am - 4:54 pm
LHR
-
GJT
12h 19m1 stop
$656United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
1:38 pm - 9:40 am
GJT
-
LHR
13h 02m1 stop
United Airlines Logo
11:35 am - 10:27 pm
LHR
-
GJT
17h 52m1 stop
$657United Airlines
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
6:53 pm - 1:15 pm
GJT
-
LHR
12h 22m1 stop
Multiple Airlines Logo
3:00 pm - 10:06 am
LHR
-
GJT
25h 06m1 stop
$699Multiple Airlines
Thu, Mar 19 - Tue, Mar 24
British Airways Logo
6:10 am - 12:10 pm
GJT
-
LHR
23h 00m1 stop
British Airways Logo
6:10 am - 8:08 pm
LHR
-
GJT
20h 58m2 stops
$706British Airways
Fri, Apr 17 - Tue, Apr 21

Air Canada flights from Grand Junction to London

Our best Air Canada deals on Grand Junction to London flight tickets
Air Canada
Jan 30
GJT7:00 amGrand Junction Regnl
17h 10m
2 stops
LHR7:10 amLondon Heathrow
Feb 3
LHR3:00 pmLondon Heathrow
38h 27m
2 stops
GJT10:27 pmGrand Junction Regnl
Air Canada
Jan 30
GJT7:00 amGrand Junction Regnl
17h 10m
2 stops
LHR7:10 amLondon Heathrow
Feb 3
LHR3:00 pmLondon Heathrow
38h 27m
2 stops
GJT10:27 pmGrand Junction Regnl
Air Canada
Mar 15
GJT1:40 pmGrand Junction Regnl
35h 30m
2 stops
LHR7:10 amLondon Heathrow
Mar 22
LHR3:00 pmLondon Heathrow
49h 03m
2 stops
GJT10:03 amGrand Junction Regnl

United Airlines flights from Grand Junction to London

Our best United Airlines deals on Grand Junction to London flight tickets
United Airlines
Jan 30
GJT1:38 pmGrand Junction Regnl
13h 02m
1 stop
LHR9:40 amLondon Heathrow
Feb 3
LHR7:30 amLondon Heathrow
16h 24m
2 stops
GJT4:54 pmGrand Junction Regnl
United Airlines
Feb 13
GJT1:43 pmGrand Junction Regnl
12h 57m
1 stop
LHR9:40 amLondon Heathrow
Feb 17
LHR7:30 amLondon Heathrow
21h 51m
2 stops
GJT10:21 pmGrand Junction Regnl
United Airlines
Jan 30
GJT11:29 amGrand Junction Regnl
15h 11m
1 stop
LHR9:40 amLondon Heathrow
Feb 3
LHR11:35 amLondon Heathrow
12h 19m
1 stop
GJT4:54 pmGrand Junction Regnl

momondo Fare Finder

 
Customize your flight search to find flights from Grand Junction to London 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 December 15, 2025.
Use the filters below to find and compare flights from Grand Junction to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Thu 3/19

5:30 am-7:10 am

2 stops19h 40m

London Heathrow

Tue 3/24

6:35 am-8:37 pm

2 stops44h 02m

$623

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 1/30

7:00 am-7:10 am

2 stops17h 10m

London Heathrow

Tue 2/3

3:00 pm-10:27 pm

2 stops38h 27m

$636

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 1/30

7:00 am-7:10 am

2 stops17h 10m

London Heathrow

Tue 2/3

3:00 pm-10:27 pm

2 stops38h 27m

$637

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 1/30

1:38 pm-9:40 am

1 stop13h 02m

London Heathrow

Tue 2/3

7:30 am-4:54 pm

2 stops16h 24m

$639

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 2/13

1:43 pm-9:40 am

1 stop12h 57m

London Heathrow

Tue 2/17

7:30 am-10:21 pm

2 stops21h 51m

$640

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Sun 3/15

1:40 pm-7:10 am

2 stops35h 30m

London Heathrow

Sun 3/22

3:00 pm-10:03 am

2 stops49h 03m

$651

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 1/30

11:29 am-9:40 am

1 stop15h 11m

London Heathrow

Tue 2/3

11:35 am-4:54 pm

1 stop12h 19m

$656

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 1/30

1:38 pm-9:40 am

1 stop13h 02m

London Heathrow

Tue 2/3

11:35 am-10:27 pm

1 stop17h 52m

$657

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Thu 3/19

6:53 pm-1:15 pm

1 stop12h 22m

London Heathrow

Tue 3/24

3:00 pm-10:06 am

1 stop25h 06m

$699

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

Fri 4/17

6:10 am-12:10 pm

1 stop23h 00m

London Heathrow

Tue 4/21

6:10 am-8:08 pm

2 stops20h 58m

$706

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Grand Junction to London

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 day to depart on your flight to London?

The cheapest day to depart from Grand Junction to London is on a Thursday. Travelers who choose to depart for London on a Thursday will often find tickets for as low as $1,009. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,200. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Grand Junction in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,017 when looking at flights departing in the afternoon. Flights to London are more costly in the morning, with an average ticket price of $1,200. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Grand Junction to London flights?

You could potentially save up to 35% on your flight if you consider stops on a Grand Junction to London flight.

When to book flights from Grand Junction to London

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

Cheap Grand Junction to London (GJT to LON) flight deals and tips

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

Fastest flight time

12h 57m

Direct flights

None
The fastest flight from Grand Junction to London takes 12h 57m
There are no direct flights from Grand Junction to London. There are no popular flight routes from Grand Junction to London.
  • How far is Grand Junction Regnl to London by plane?

    The distance between Grand Junction Regnl and London is about 4839.9 mi. In terms of flight time, this usually takes a little over 12h 57m.

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

    Prices for flights from Grand Junction Regnl Airport to London are updated daily.

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

    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.

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

    The travel and health documents required for your trip to London 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. 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 Grand Junction to London?

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

Why use momondo?

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

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

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

momondo does allow users to show only those flights to London from Grand Junction which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to London from Grand Junction. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from Grand Junction are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Wed 1/14
Wed 1/21

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London