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Cheap flights from Dublin to London from $20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to London departing on 10/1. 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 Dublin to London

Cheap round-trip flights

Ryanair Logo
7:35 am - 9:05 amDUB-LGW
1h 30mnonstop
Ryanair Logo
9:35 pm - 11:00 pmLGW-DUB
1h 25mnonstop
$42Ryanair
Find Deal
Tue, Sep 23 - Tue, Sep 23
Ryanair Logo
7:25 pm - 8:55 pmDUB-LGW
1h 30mnonstop
Ryanair Logo
9:35 pm - 11:00 pmLGW-DUB
1h 25mnonstop
$45Ryanair
Find Deal
Tue, Sep 9 - Tue, Sep 23
Ryanair Logo
5:50 pm - 7:20 pmDUB-LGW
1h 30mnonstop
Ryanair Logo
9:35 pm - 11:00 pmLGW-DUB
1h 25mnonstop
$46Ryanair
Find Deal
Tue, Sep 16 - Tue, Sep 23
Ryanair Logo
6:25 am - 7:55 amDUB-LGW
1h 30mnonstop
Ryanair Logo
7:55 pm - 9:20 pmLGW-DUB
1h 25mnonstop
$49Ryanair
Find Deal
Mon, Sep 15 - Tue, Sep 30
Ryanair Logo
6:25 am - 7:55 amDUB-LGW
1h 30mnonstop
Ryanair Logo
7:55 pm - 9:20 pmLGW-DUB
1h 25mnonstop
$50Ryanair
Find Deal
Mon, Sep 15 - Tue, Sep 30
Ryanair Logo
6:25 am - 7:55 amDUB-LGW
1h 30mnonstop
Ryanair Logo
8:40 pm - 10:05 pmLGW-DUB
1h 25mnonstop
$51Ryanair
Find Deal
Mon, Sep 15 - Mon, Sep 22
Ryanair Logo
7:35 am - 9:05 amDUB-LGW
1h 30mnonstop
Ryanair Logo
9:30 pm - 10:55 pmLGW-DUB
1h 25mnonstop
$52Ryanair
Find Deal
Tue, Sep 23 - Sat, Sep 27
Ryanair Logo
6:45 am - 8:15 amDUB-LGW
1h 30mnonstop
Ryanair Logo
6:50 pm - 8:15 pmLGW-DUB
1h 25mnonstop
$53Ryanair
Find Deal
Sun, Aug 24 - Mon, Sep 1
Ryanair Logo
7:25 pm - 8:55 pmDUB-LGW
1h 30mnonstop
Ryanair Logo
7:20 pm - 8:45 pmLGW-DUB
1h 25mnonstop
$54Ryanair
Find Deal
Sat, Sep 13 - Sat, Sep 20
Ryanair Logo
7:50 am - 9:20 amDUB-LGW
1h 30mnonstop
Ryanair Logo
8:40 pm - 10:05 pmLGW-DUB
1h 25mnonstop
$55Ryanair
Find Deal
Thu, Sep 11 - Mon, Sep 15

Ryanair flights from Dublin to London Gatwick Airport

Our best Ryanair deals on Dublin to London Gatwick Airport flight tickets
Ryanair
Sep 23
DUB7:35 amDublin
1h 30m
LGW9:05 amLondon Gatwick
Sep 23
LGW9:35 pmLondon Gatwick
1h 25m
DUB11:00 pmDublin
$42
Find similar
Ryanair
Sep 9
DUB7:25 pmDublin
1h 30m
LGW8:55 pmLondon Gatwick
Sep 23
LGW9:35 pmLondon Gatwick
1h 25m
DUB11:00 pmDublin
$45
Find similar
Ryanair
Sep 16
DUB5:50 pmDublin
1h 30m
LGW7:20 pmLondon Gatwick
Sep 23
LGW9:35 pmLondon Gatwick
1h 25m
DUB11:00 pmDublin
$46
Find similar

Vueling flights from Dublin to London Gatwick Airport

Our best Vueling deals on Dublin to London Gatwick Airport flight tickets
Vueling
Aug 12
DUB7:05 pmDublin
11h 55m
1 stop
LGW7:00 amLondon Gatwick
Sep 10
LGW7:50 pmLondon Gatwick
11h 45m
1 stop
DUB7:35 amDublin
$183
Find similar
Vueling
Aug 13
DUB1:30 pmDublin
5h 40m
1 stop
LGW7:10 pmLondon Gatwick
Aug 27
LGW7:50 pmLondon Gatwick
11h 45m
1 stop
DUB7:35 amDublin
$233
Find similar
Vueling
Aug 13
DUB1:30 pmDublin
5h 40m
1 stop
LGW7:10 pmLondon Gatwick
Aug 20
LGW7:50 pmLondon Gatwick
11h 45m
1 stop
DUB7:35 amDublin
$258
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to London Gatwick 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 August 1, 2025.
Use the filters below to find and compare flights from Dublin to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinLondon

DUB - LGW

DUBLGW

Dublin

Tue 9/23

7:35 am-9:05 am

Nonstop1h 30m

London Gatwick

Tue 9/23

9:35 pm-11:00 pm

Nonstop1h 25m

$42

DublinLondon

DUB - LGW

DUBLGW

Dublin

Tue 9/9

7:25 pm-8:55 pm

Nonstop1h 30m

London Gatwick

Tue 9/23

9:35 pm-11:00 pm

Nonstop1h 25m

$45

DublinLondon

DUB - LGW

DUBLGW

Dublin

Tue 9/16

5:50 pm-7:20 pm

Nonstop1h 30m

London Gatwick

Tue 9/23

9:35 pm-11:00 pm

Nonstop1h 25m

$46

DublinLondon

DUB - LGW

DUBLGW

Dublin

Mon 9/15

6:25 am-7:55 am

Nonstop1h 30m

London Gatwick

Tue 9/30

7:55 pm-9:20 pm

Nonstop1h 25m

$49

DublinLondon

DUB - LGW

DUBLGW

Dublin

Mon 9/15

6:25 am-7:55 am

Nonstop1h 30m

London Gatwick

Tue 9/30

7:55 pm-9:20 pm

Nonstop1h 25m

$50

DublinLondon

DUB - LGW

DUBLGW

Dublin

Mon 9/15

6:25 am-7:55 am

Nonstop1h 30m

London Gatwick

Mon 9/22

8:40 pm-10:05 pm

Nonstop1h 25m

$51

DublinLondon

DUB - LGW

DUBLGW

Dublin

Tue 9/23

7:35 am-9:05 am

Nonstop1h 30m

London Gatwick

Sat 9/27

9:30 pm-10:55 pm

Nonstop1h 25m

$52

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sun 8/24

6:45 am-8:15 am

Nonstop1h 30m

London Gatwick

Mon 9/1

6:50 pm-8:15 pm

Nonstop1h 25m

$53

DublinLondon

DUB - LGW

DUBLGW

Dublin

Sat 9/13

7:25 pm-8:55 pm

Nonstop1h 30m

London Gatwick

Sat 9/20

7:20 pm-8:45 pm

Nonstop1h 25m

$54

DublinLondon

DUB - LGW

DUBLGW

Dublin

Thu 9/11

7:50 am-9:20 am

Nonstop1h 30m

London Gatwick

Mon 9/15

8:40 pm-10:05 pm

Nonstop1h 25m

$55

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 Dublin to London Gatwick 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 Dublin and London Gatwick Airport?

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

In general, January is the cheapest month to fly from Dublin to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $68. If you are unable to visit London Gatwick Airport during the month of January, then departing from Dublin during the month October is also very affordable. Most momondo users find prices during this month for around $90.

What is the cheapest day to depart on your flight to London Gatwick Airport?

The cheapest day to depart from Dublin to London Gatwick Airport is on a Tuesday when prices can be found for as low as $62. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Friday is $124.

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

Flying to London Gatwick Airport from Dublin in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $75 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to London Gatwick Airport, so prices are often more expensive at around $155 per ticket.

What is the cheapest Dublin to London Gatwick flight route?

Fly from Dublin to London Gatwick for the best Dublin - London Gatwick flight prices

How far in advance should I book a flight to London Gatwick Airport?

You are more likely to see cheaper flights to London Gatwick Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around $103 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Dublin for as low as $75 on momondo.

What cabin class options are available on Dublin to London Gatwick flights?

There are 1 cabin classes available to choose from on Dublin to London Gatwick flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to London Gatwick Airport flight prices changed over time?

As of August 2025, prices for Dublin to London Gatwick Airport flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to London Gatwick Airport

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

Cheap Dublin to London Gatwick Airport (DUB to LGW) flight deals and tips

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

Best Price Found

$20

Fastest flight time

1h 25m

Direct flights

Every day
The best one-way flight to London Gatwick Airport from Dublin in the past 72 hours is $20. The best round-trip flight deal from Dublin to London Gatwick Airport found on momondo in the last 72 hours is $42.
The fastest flight from Dublin to London Gatwick Airport takes 1h 25m
Direct flights go from Dublin to London Gatwick Airport every day.
Search flight deals

  • How far is Dublin to London Gatwick by plane?

    There are 298.1 mi between Dublin and London Gatwick. 1h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Dublin Airport to London Gatwick Airport?

    Prices for flights from Dublin Airport to London Gatwick Airport refresh daily.

  • How many operators does momondo search for flights from Dublin Airport to London Gatwick Airport?

  • How old do you have to be to fly from Dublin Airport to London Gatwick 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 Dublin Airport to London Gatwick Airport.

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

    The required travel and health documents for your London Gatwick Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Dublin to London Gatwick Airport?

  • What is the most popular airline from Dublin to London Gatwick Airport?

Best airlines flying from Dublin to London Gatwick Airport

Compare and see reviews for airlines that fly from Dublin to London Gatwick Airport with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom $41Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights

  • Ryanair Flights From Dublin to London Gatwick Airport

    Ryanair flight deals from Dublin to London Gatwick Airport start from $41 round-trip. Over the 29 Ryanair flights for this route in a normal week, average airfare is usually $93 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Slough
Luton
Dartford
Guildford
Milton Keynes
Stansted
Hayes
Crawley
Croydon
Chelmsford
Ilford
Brentwood
Colchester
Folkestone
Watford
Canterbury
Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Dublin 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 Dublin to London for you.

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

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

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

Once all potential Dublin to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to London from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Gatwick Airport trip

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