Transfer Before the Bonus Ends, or Wait? Do the Math

Transfer before a bonus ends only when you already have a specific redemption in mind that beats your baseline value once the bonus is applied — a looming deadline by itself is not a reason to move points. Two real bonuses active as this was written show the split: American Express is offering a 30% bonus transferring Membership Rewards to British Airways Club, Iberia Plus, and Aer Lingus AerClub (Avios) through September 27, 2026, and Citi is offering a 25% bonus transferring ThankYou points to Leading Hotels of the World's Leaders Club through September 19, 2026. Neither deadline is a reason to transfer on its own — the reason is whether you have a redemption that clears your baseline once the bonus math is run.

This page does not claim live award availability or that either bonus is still active by the time you read it — both are dated, sourced, and may have expired. Confirm the current offer in your own account before transferring.

The short answer

Waiting for a bonus to end and act-now urgency feel the same, but they answer different questions. "Should I transfer now" depends on whether you have a real, bookable redemption. "Should I wait for a better bonus" depends on how often that partner runs bonuses and how flexible your travel dates are. Confusing the two leads to transferring points you cannot use before a partner devalues them, or missing a genuinely good deal because "there will always be another bonus."

Act-now-or-wait decision table

Situation	Do this	Why
You have a specific award found and bookable today, and the bonus math beats your baseline	Transfer now, before the deadline	The bonus is funding a redemption you can actually use — the deadline is real leverage
You do not have an award found yet, but the deadline is soon	Do not transfer yet	A bonus without a redemption is speculation; transfers are usually one-way
The partner runs this bonus often (check the partner's bonus history)	Consider waiting for the next one	Frequent bonuses mean less urgency; missing this one is not usually your last chance
The partner rarely offers bonuses, or a devaluation is expected	Weigh acting now more heavily	Rare bonuses and devaluation risk both cut the other way from "wait"
Your travel dates are fixed and near-term	Prioritize confirming the award over the bonus size	A slightly smaller bonus on a bookable award beats a bigger bonus on a trip you cannot take

Worked example: the deadline bonus math

The site's transfer-bonus formula is points needed = partner price ÷ (1 + bonus). Apply it to the two real, dated bonuses above with clearly hypothetical award prices.

Amex to Avios, 30% bonus, through September 27, 2026. Say a British Airways Avios award you found prices at 50,000 Avios.

points needed = 50,000 ÷ 1.30 = 38,462 → 39,000 Membership Rewards points

Amex transfers move in 1,000-point increments, so round up to 39,000. Without the bonus, the same 50,000-Avios award would cost 50,000 Membership Rewards points at the usual 1:1 ratio — the bonus saves 11,000 points, but only if the 50,000-Avios award is real and bookable.

Citi to Leaders Club, 25% bonus, through September 19, 2026. This partner does not transfer 1:1, so the formula needs the base ratio: points needed = partner price ÷ (base ratio × (1 + bonus)). Per LoyaltyLobby's report of the offer, 1,000 ThankYou points become 250 Leaders Club points with the bonus on the Citi Strata Elite, Strata Premier, Prestige and AT&T Access More cards (175 on select no-annual-fee cards) — a base of 200 per 1,000. Say a hotel redemption you found prices at a hypothetical 40,000 Leaders Club points.

points needed = 40,000 ÷ (0.20 × 1.25) = 160,000 ThankYou points
without bonus = 40,000 ÷ 0.20           = 200,000 ThankYou points

The bonus saves 40,000 ThankYou points here — and it also shows why the base ratio matters more than the bonus: at 250 per 1,000, you are paying 4 ThankYou points for every Leaders Club point.

Run your own numbers with our free transfer bonus calculator before transferring — it applies the 1:1 formula to whatever award price and bonus you enter, so for a partner with a different base ratio, convert the award price first as in the Citi example.

The deadline pressure trap

A published end date creates urgency that has nothing to do with whether the transfer is good for you. Before letting a deadline decide:

• Confirm the exact award or redemption is bookable in the receiving program's own search, not a third-party estimate.
• Compare the bonus-adjusted cost to what you already believe those points are worth (see the cents-per-point guide if you have not set a baseline).
• Check whether the receiving program has a pattern of running this bonus repeatedly — programs that transfer-bonus often give you less reason to rush.
• Remember transfers are usually one-way: moving points you cannot use before the deadline just to "not miss it" can strand value in a program you have no trip for.

When waiting is the right call

Wait instead of transferring before a deadline if any of these are true:

• You do not have an award found and confirmed bookable yet.
• The partner program runs this same bonus multiple times a year — missing one is not your last shot.
• Your baseline value already beats the bonus-adjusted transfer cost without needing the promotion at all.
• You would be transferring "just in case," with no trip planned.

A transfer bonus can still be the right move on a deadline — it is just the last step after finding the award, not the first research step.

How this fits with related guides

If you already found the award and are ready to move points, the Chase-to-partners guide and the award-hold guide cover the mechanics of transferring without stranding value or losing the seat mid-transfer. If the deadline pressure is really about a buy-miles sale rather than a transfer bonus, the break-even guide runs the same kind of math for purchased miles instead. And if the bonus math only works because you are considering moving points into someone else's account, check the person-to-person transfer guide first — that is a different, program-specific set of rules.

FAQ

Should you transfer points before a transfer bonus ends?

Only if you already have a specific, bookable award that clears your baseline value once the bonus is applied. The deadline itself does not change whether the transfer is a good decision — it only changes when you would need to act if it is.

Is it better to wait for a bigger transfer bonus?

Sometimes. If the partner program runs bonuses often, waiting usually costs little. If the bonus is rare or a devaluation is expected, waiting risks losing the deal entirely. Check the partner's bonus history before assuming a better one is coming.

What happens if I transfer for a bonus and the award disappears?

Transfers are typically one-way. If the specific award is gone after you transfer, you are left with partner points, not bank points — check the partner program's own alternate-award and cancellation options rather than assuming you can move the points back.

Are the Amex-to-Avios and Citi-to-Leaders-Club bonuses still active?

As of 2026-09-16, reporting cited here put the Amex Membership Rewards to Avios bonus at 30% through September 27, 2026, and the Citi ThankYou to Leaders Club bonus at 25% through September 19, 2026. Confirm the current offer and exact end date in your own account before transferring, since promotions can end early or change.

Do transfer bonuses expire if I do not use them right away?

The bonus rate applies at the moment of transfer, not afterward — once you transfer during the bonus window, the bonus points are yours. What can still "expire" in value terms is the award itself, if the seat or room you were transferring for disappears before you book.

Claim ledger

Claim	Source	Status
American Express is offering a 30% Membership Rewards transfer bonus to British Airways Club, Iberia Plus, and Aer Lingus AerClub, reported valid through September 27, 2026.	Reported by The Points Guy, checked 2026-09-16	Source-backed from reputable points-news reporting on the issuer's promotion; confirm current status in your own account before transferring.
Citi is offering a 25% ThankYou points transfer bonus to Leading Hotels of the World's Leaders Club, reported valid through September 19, 2026.	Reported by One Mile at a Time, checked 2026-09-16	Source-backed from reputable points-news reporting on the issuer's promotion; confirm current status in your own account before transferring.
Chase is offering a transfer bonus to Air Canada Aeroplan reported through September 30, 2026.	Reported by point.me, checked 2026-09-16	Source-backed from reputable points-news reporting; mentioned for context on bonus frequency, not analyzed in the worked example.
Live award availability, current award prices, and whether any bonus above is still active after its stated end date are not claimed here.	Writer limitation note, 2026-09-16	Intentionally excluded because promotions can end early and availability changes daily.

Sources

Sources checked for this draft on 2026-09-16:

• The Points Guy, reporting on the Amex Membership Rewards to Avios transfer bonus: https://thepointsguy.com/deals/transfer-bonus-from-amex-to-avios/
• One Mile at a Time, reporting on the Citi ThankYou to Leaders Club transfer bonus: https://onemileatatime.com/deals/citi-lhw-transfer-bonus/
• point.me, Current Transfer Bonuses for September 2026: https://www.point.me/insights/current-transfer-bonuses/

This article intentionally avoids claiming live award availability, current award prices, or that any bonus listed above is still active after its stated end date. Confirm the current offer in your own account before transferring.