ThameslinkorGatwick Express?

The short answer

For one traveler the Thameslink is cheaper by £13.30. That does not change up to 8 travelers.

The Thameslink is quicker: 29 min against 31 min. The Gatwick Express varies between 31 and 44 minutes.

Thameslink: Runs all night. Gatwick Express: 05:41–23:11.

Priced against each other

Whole-party totals · adult fares

What each costs for the whole party, in GBP. The cheaper of the two is marked on every row.
Travelers	Thameslink	Gatwick Express	Difference
1	£10.70	£24	£13.30
2	£21.40	£48	£26.60
3	£32.10	£72	£39.90
4	£42.80	£96	£53.20
5	£53.50	£120	£66.50
6	£64.20	£144	£79.80
7	£74.90	£168	£93.10
8	£85.60	£192	£106.40

Side by side

Where each one leaves you

Thameslink · ThameslinkThameslink

From: Gatwick Airport station, in the South Terminal
To: London Bridge, then Blackfriars, City Thameslink, Farringdon and St Pancras International
Luggage: Racks by the doors and overhead.
Runs: All night
Journey: 29–63 min

Overnight it is hourly and skips London Bridge: from the airport 00:02, 00:42, 01:45, 02:45, 03:45 and 04:20 on weekdays, about 50 minutes to Blackfriars and an hour to St Pancras.

By day it takes 29 minutes to London Bridge and about 44 to St Pancras; some trains stop more and take up to an hour.

Tapping is the cheap way off-peak and the dear way from 06:30 to 09:30 on weekdays, when the £14.40 paper ticket saves £4.80.

Thameslink: price for every party size

Check times and fares with National Rail

Gatwick Express · Gatwick ExpressGatwick Express

From: Gatwick Airport station, in the South Terminal
To: London Victoria, non-stop, usually platforms 13 and 14
Luggage: Up to three items each, carried yourself; the trains have luggage areas and extra-wide doors.
Runs: 05:41–23:11
Journey: 31–44 min

Off-peak the Southern train to the same station costs £10.70 by tap and takes one to four minutes longer.

It does not count towards the daily cap: two Express singles are £48.00 however many other journeys you make.

Sunday mornings start late: nothing before 07:20 from the airport, 06:30 from Victoria.

Gatwick Express: price for every party size

Check times and fares with Gatwick Express

This compares two of 9 options. See all of them ranked for your party size

ThameslinkorGatwick Express?

Priced against each other

Side by side

The other comparisons at Gatwick