Compare / hybrid
Live · checked today · 2 UK retailers tracked
Callaway BIG Bertha B21 Hybrid vs Nike Vapor FLY Hybrid
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Callaway BIG Bertha B21 Hybrid is currently £84.95 used, while Nike Vapor FLY Hybrid is currently £76.95 used. Against tracked history, Callaway BIG Bertha B21 Hybrid is at its lowest tracked price and Nike Vapor FLY Hybrid is 10% above its lowest tracked price. Callaway BIG Bertha B21 Hybrid is currently available from 2 UK retailers, versus 1 for Nike Vapor FLY Hybrid.
Deal intelligence
Should you buy now, or wait?
The Callaway BIG Bertha B21 Hybrid is at its lowest tracked price today. The Nike Vapor FLY Hybrid has more room: its tracked low is £69.95.
Callaway · BIG Bertha B21 Hybrid
Not enough data yet
Today £84.95 · typical £94.95 · lowest £84.95
On sale 2 times in the last 3 months
Nike · Vapor FLY Hybrid
Not enough data yet
Today £76.95 · typical £79.95 · lowest £69.95
On sale 1 time in the last 2 months
Head to head
Category leaders, from the data on this page
- Cheapest new Vapor FLY £76.95 vs £84.95
- Closest to its tracked low BIG Bertha B21 0% above vs 10%
- Most retailers in stock BIG Bertha B21 2 vs 1
- Cheapest used Vapor FLY from £76.95 vs £84.95
Specification differences
Published product specifications
| Specification | Callaway BIG Bertha B21 Hybrid | Nike Vapor FLY Hybrid |
|---|---|---|
| Release year | 2021 | 2020 |
Where to buy
2 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Callaway · BIG Bertha B21 Hybrid
↓ £35
since 13 April 2026
Lowest £84.95 on 18 August 2026
Nike · Vapor FLY Hybrid
↓ £3
since 13 April 2026
Lowest £69.95 on 16 April 2026
New vs used
From used listings we track
Callaway · BIG Bertha B21 Hybrid
NEW £84.95
USED FROM £84.95
Nike · Vapor FLY Hybrid
NEW £76.95
USED FROM £76.95
Availability by build
Which configurations are in stock right now
| Build | Callaway BIG Bertha B21 Hybrid | Nike Vapor FLY Hybrid |
|---|---|---|
| Regular · 19° · Left-hand · Used | 1 retailer · from £84.95 at Replay Golf → | — |
| Regular · 21° · Used | 1 retailer · from £89.99 at Nearly New Golf Clubs → | — |
| Regular · 20° · Left-hand · Used | — | 1 retailer · from £76.95 at Replay Golf → |
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Common questions about the Callaway BIG Bertha B21 Hybrid vs Nike Vapor FLY Hybrid
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.