Three real ways to upgrade on British Airways: pay cash in Manage My Booking on ba.com, use Avios (the Club loyalty currency) to jump a cabin, or submit a Plusgrade bid if BA emailed you an offer after booking. The window is wide — most upgrades are available from the day you book right up to check-in. On the day itself, the BA desk at the airport can sometimes sell remaining premium seats at a discount, but that’s a lottery, not a strategy. The quickest path for most people is Manage My Booking. Log in, pick the flight, and BA will show the cabins you can buy into with the fare difference quoted in your original currency.
In This Article
Upgrade in Manage My Booking (the cash route)
Sign in at ba.com, open your trip under Manage My Booking, and click the flight segment. Any eligible cabin upgrade shows up with a price. Pay the difference, get a new confirmation, done. You can upgrade one cabin up — economy to premium economy, premium economy to business (“Club World” or “Club Suite”), business to First. You can’t jump two cabins in one transaction.
Pricing is dynamic. It moves based on how full the cabin is and how close to departure you are. A typical pattern: upgrade costs peak about three weeks out when business travellers start buying, then drop again in the final 72 hours when BA realises the premium seats won’t sell. Check once a week from four weeks out. Note the starting price so you can tell when it actually gets cheaper.
One important detail: not every fare class is upgradeable. The deepest basic-economy fares (often Hand Baggage Only tickets on short-haul) sometimes can’t be upgraded at all, regardless of what you’re willing to pay. If Manage My Booking shows no upgrade button, that’s why.
Using Avios to upgrade
The Avios route is good value when BA has availability. Log in to Manage My Booking, pick the flight, and look for “Upgrade this flight with Avios”. If the higher cabin has reward seats, you’ll see the Avios cost plus a cash co-payment for taxes and carrier surcharges. The carrier surcharge is real money — on a London to New York business upgrade, expect roughly £400-£600 in cash on top of the Avios. Still cheaper than paying full business-class cash fare, but not free.
Two Avios rules that trip people up:
- You can only upgrade one cabin at a time with Avios. Economy to Club World in one move isn’t allowed — you’d have to upgrade economy to premium first, then premium to Club.
- The ticket has to be a commercial revenue ticket you bought with cash. You can’t upgrade a reward flight with more Avios.
For a longer walk-through, BA’s official page on upgrading with Avios has a simple flowchart. Worth bookmarking.
Plusgrade bids and airport day-of offers
After booking, BA sometimes emails a Plusgrade offer — a silent auction where you name your own price. Bid low first. BA uses a “minimum acceptable” threshold that isn’t published; bids near the low end of the suggested slider sometimes win, especially on routes that aren’t filling up. If the bid loses, you pay nothing. If it wins, your card is charged 24-48 hours before departure.
A personal take: bid about 20-25% into the suggested range, no higher. Bidding near the top “strong” mark is just paying close to the cash-upgrade price without the certainty of the cash route. If you’d pay the strong-mark price anyway, just buy the upgrade outright in Manage My Booking — same cost, guaranteed seat.
At the airport, the BA desk occasionally releases upgrades at the gate or check-in. Ask politely: “Are any paid upgrades available today?” Don’t expect a yes. It mostly happens when the premium cabin is half-empty and economy is oversold. Gold and Silver Executive Club members get priority if anything is offered.
What not to do
Skip third-party “upgrade broker” sites. They take your money, then just put through the same Manage My Booking transaction you could have done yourself, at a mark-up. Same goes for anyone on social media claiming insider BA access. There isn’t one.
Don’t try to upgrade after check-in online. The system locks your seat assignment at the 24-hour mark. Any upgrade after that has to go through the airport desk, and they charge a different (usually higher) rate than the pre-check-in web price. If you’re planning to upgrade, do it before you check in.
If the upgrade involves a change in award flights or codeshares with American Airlines or Iberia, call BA directly — the website can’t handle partner-fare upgrades cleanly and you’ll waste 20 minutes trying.
The short version
- Cheapest route: watch Manage My Booking from four weeks out, pounce in the final 72 hours.
- Best value: Avios upgrade when inventory exists — but budget £400+ cash surcharge on long-haul.
- Plusgrade: bid 20-25% into the suggested slider, no higher.
- Airport day-of: possible but unreliable. Ask politely, don’t plan on it.
- Don’t upgrade after check-in online — it gets more expensive or impossible.
Pricing and Avios costs verified against BA’s public pages in April 2026. If you need a human to walk you through a complex itinerary, use the Executive Club line on 0344 493 0747 (UK) or +44 207 949 3086 (outside UK).
