Metro Green line to MonumentorArrow Cars taxi to Grey's Monument?

The short answer

For one traveler the Metro Green line to Monument is cheaper by £25.40. But at 8 travelers the Arrow Cars taxi to Grey's Monument takes over.

The Arrow Cars taxi to Grey's Monument is quicker: 21 min against 23 min. The Metro Green line to Monument varies between 23 and 24 minutes.

Metro Green line to Monument: 05:38–23:07. Arrow Cars taxi to Grey's Monument: Runs all night.

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	Metro Green line to Monument	Arrow Cars taxi to Grey's Monument	Difference
1	£5.10	£30.50	£25.40
2	£10.20	£30.50	£20.30
3	£15.30	£30.50	£15.20
4	£20.40	£30.50	£10.10
5	£25.50	£39.50	£14
6	£30.60	£39.50	£8.90
7	£35.70	£39.50	£3.80
8	£40.80	£39.50	£1.30

The cheaper option changes at 8 travelers, from the Metro Green line to Monument to the Arrow Cars taxi to Grey's Monument. That is the whole reason this comparison is not a single number.

Side by side

Where each one leaves you

Green line · Nexus (Tyne and Wear Metro)Metro Green line to Monument

From: Airport Metro station, entered from the terminal beside Domestic Arrivals
To: Monument, in the heart of the city; Central Station, for the main-line trains, is one minute further
Runs: 05:38–23:07
Journey: 23–24 min

The £2.50 fare needs Pop Pay As You Go. The card is ordered online with a £5 balance; on landing, only an Android phone can add it, in Google Wallet. Everyone else pays £5.10 at the machine.

Touch in and touch out. A Pop journey left open is charged the maximum fare, and travelling without a valid ticket is a £100 penalty fare plus the single, £50 if paid within 21 days.

Bank cards and phones with a bank card do not open the gates. The machines take them for a paper ticket.

Going back the same day, the all-zones day ticket is £7.00 on paper; with Pop the day is capped at £5.00.

After the 23:07, trains from the airport stop at Regent Centre, 12 minutes out and about 11 short of Monument.

Metro Green line to Monument: price for every party size

Check Metro fares with Travel North East

taxi · Arrow CarsArrow Cars taxi to Grey's Monument

From: The Arrow Cars pick-up point immediately outside arrivals
To: Grey's Monument, in the heart of the city; the fixed fare covers any address in the centre
Runs: All night
Journey: 21 min

The fare is fixed and quoted in full before booking, not metered; a 6- to 8-seat vehicle costs more than a standard car or estate.

Arrow Cars taxi to Grey's Monument: price for every party size

This compares two of 5 options. See all of them ranked for your party size

Metro Green line to MonumentorArrow Cars taxi to Grey's Monument?

Priced against each other

Side by side

The other comparisons at Newcastle International Airport