Finnair Plus vs BA Executive Club: Where to Route Oneworld Miles in 2026

You have probably noticed the aggressive status matches flying around the loyalty sphere right now. Competitors are actively targeting British Airways elites ahead of the April 1st deadline, and it has prompted a lot of UK flyers to look closely at their Oneworld strategy for 2026. Two years after Finnair Plus adopted Avios as its official loyalty currency, the relationship between Helsinki and London has become the most interesting dynamic in European frequent flyer programmes.

Because you can transfer Avios instantly at a 1:1 ratio between British Airways, Finnair, Iberia, and Qatar Airways, the old problem of “where to spend” is mostly solved. You just link your accounts and move your points to whichever portal offers the lowest taxes for your specific redemption.

The actual battleground in 2026 is where you should credit your revenue flights and chase Oneworld elite status. Blindly swiping your BA Executive Club card on every Oneworld flight might be costing you easier lounge access, cheaper Avios, and far better upgrade vouchers. Let us look at the numbers and see when a UK flyer should seriously consider abandoning BAEC for Finnair Plus.

The backdoor to 1.02p Avios closes on March 30

Before we look at elite status, there is an immediate arbitrage opportunity you need to know about. Finnair is running a highly lucrative Avios purchase promotion that ends on March 30, 2026. With the top-tier bonus applied, the cost drops to roughly 1.3 US cents per point, which translates to about 1.02p per Avios.

Here is why this matters for BA loyalists. Buying Avios directly through British Airways in the UK is notoriously expensive, often hovering around the 1.6p to 1.8p mark unless you use the Avios Subscription product. Because you can instantly sweep points from Finnair Plus over to BA Executive Club, this Finnair promo is effectively a backdoor to buy BA Avios at a massive discount.

If you are short on a redemption or looking to top up a balance after draining your account on a companion voucher booking, logging into Finnair.com to buy the points before March 30 is the smartest move you can make this month. Once purchased, simply head to the account linking page and transfer them straight into your BA account.

Chasing Oneworld status without the BA handcuffs

For most UK-based readers on Points Uncovered, the holy grail of airline loyalty is Oneworld Sapphire status. This gets you business class lounge access across the alliance, priority boarding, and extra baggage. At London Heathrow Terminal 3, Oneworld Sapphire is the golden ticket that gets you into the exceptional Cathay Pacific and Qantas lounges, regardless of whether you are flying economy or business.

British Airways requires 600 Tier Points to hit Silver (Oneworld Sapphire). Finnair Plus requires 90,000 tier points to hit Gold (also Oneworld Sapphire). These numbers look entirely different because the two programmes calculate earning in completely different ways. But the biggest differentiator is not the maths. It is the routing rules.

BA Executive Club enforces a rigid rule: to earn or retain status, you must fly at least four eligible flights on British Airways or Iberia metal. If your travel patterns involve flying Qatar Airways to Asia or Cathay Pacific to Hong Kong, you could rack up 2,000 Tier Points and still be a basic Blue member if you do not step foot on a BA plane.

Finnair Plus does not have this requirement. You can earn Finnair Gold entirely on partner flights. If you live in the UK regions and frequently fly Qatar Airways out of Manchester or Edinburgh to the Middle East and beyond, crediting to Finnair Plus frees you from having to force a pointless BA connection through Heathrow just to tick off your four eligible flights.

How tier point earning actually works now

Both British Airways and Finnair have moved to spend-based earning for flights on their own metal. The days of earning massive piles of Avios on a cheap £1,500 BA Club World mistake fare are dead. If you fly BA, you earn based on what you pay. If you fly Finnair, you earn based on what you pay.

The loophole lies in partner flights. When you credit a partner flight to your account, neither BA nor Finnair knows exactly what you paid for the ticket. They have to rely on the old method: a multiplier based on the distance flown and the fare class.

This creates massive discrepancies. Let us say you find a heavily discounted Qatar Airways business class fare from London to Singapore via Doha. Crediting that to BAEC will earn you a fixed number of Avios and exactly 560 Tier Points (140 per leg). Crediting that exact same flight to Finnair Plus will trigger a complex distance-based calculation that often results in a vastly different elite earning trajectory.

Honestly, I am not convinced the maths works for most people to switch their crediting to Finnair if they primarily fly short-haul economy around Europe. BA’s flat 5 to 10 Tier Points per short-haul flight is predictable. But if you fly long-haul premium cabins on Oneworld partners, you need to run the numbers through the Finnair calculator. The lack of the four-flight rule alone makes Finnair the default choice for expats or UK flyers who avoid Heathrow.

The upgrade voucher difference

This is the part I keep coming back to. British Airways is incredibly stingy with upgrade vouchers. To earn a Gold Upgrade for Two (GUF2) on BA, you have to hit an eye-watering 2,500 Tier Points. That is 1,000 Tier Points beyond what is required for Gold status. For the vast majority of flyers, it is completely unattainable.

Finnair Plus takes a completely different approach. They award highly valuable upgrade benefits at standard status milestones. When you reach Finnair Gold (Oneworld Sapphire), you receive four upgrade benefits. You can use these to upgrade a long-haul Finnair flight from economy to business class, or from premium economy to business class.

These are not phantom benefits that are impossible to use. Finnair actively opens up upgrade space, and applying them online is straightforward. If you regularly fly to Asia or the US and do not mind connecting through the very efficient Helsinki airport, earning status on Finnair yields tangible rewards much earlier in your flying year than BAEC does.

Booking flights and dodging Heathrow taxes

Having your points sit in Finnair Plus or BA Executive Club does not restrict how you spend them, thanks to the 1:1 instant transfers. But you must be careful about which portal you log into when actually pressing the “book” button.

British Airways carrier-imposed surcharges out of London Heathrow continue to be punishing in 2026. A “free” reward flight to New York in Club World will easily extract hundreds of pounds in cash fees. Savvy UK flyers are increasingly booking Finnair metal via the Finnair Plus portal to cap their cash co-pays.

If you want to fly to Bangkok or Singapore, routing LHR-HEL-Asia on Finnair often results in significantly lower taxes than flying direct on BA, provided you book it through the Finnair side of the system. The taxes are calculated differently depending on whose website processes the transaction.

There is a trade-off regarding guaranteed award inventory. British Airways guarantees 14 award seats per long-haul flight (four in Club World, two in World Traveller Plus, and eight in World Traveller). Finnair guarantees eight seats on long-haul flights (two in Business, two in Premium Economy, four in Economy). If you are a family of four trying to fly business class together, BA is still your best bet. If you are a solo traveller or a couple, Finnair’s lower taxes make up for the tighter inventory.

Routing your Amex points in 2026

If you have recently triggered one of the massive 100,000 Membership Rewards point sign-up bonuses on the UK Amex Gold or Platinum cards, you have complete flexibility here. Amex points transfer 1:1 to BA Executive Club. They do not transfer directly to Finnair Plus from the UK Amex programme.

This is not a problem. You simply transfer your Amex points to BAEC, wait for them to land, and then instantly sweep them over to Finnair Plus via the linked accounts page. It adds about ninety seconds to the process. Do not let the lack of a direct Amex-to-Finnair transfer partner put you off using the Finnish programme.

Quick reference: Which programme suits you?

Stick with BA Executive Club if:

• You easily clear the four eligible BA/IB flights a year
• You rely heavily on the British Airways Amex Companion Voucher
• You need to book four business class seats on the same flight for family trips
• You primarily fly direct out of London on BA metal

Switch your earning to Finnair Plus if:

• You fly Oneworld partners (Qatar, Cathay, JAL) but rarely fly BA
• You want milestone upgrade vouchers without flying 2,500 Tier Points
• You are sick of BA’s Heathrow surcharges and prefer transiting Helsinki
• You want a backdoor to buy Avios at 1.02p during their promotional windows

The honest verdict

For the casual UK flyer who takes one European city break and one family holiday a year, British Airways Executive Club remains the path of least resistance. The integration with the BA Amex cards and the Companion Voucher is too lucrative to ignore.

But for the frequent independent traveller or the business flyer who has control over their routing, Finnair Plus is genuinely impressive. The fact that you can earn Oneworld Sapphire entirely on partner flights without ever touching BA metal is a massive advantage. When you add in the milestone upgrade vouchers and the current ability to buy Avios at rock-bottom prices before March 30, Helsinki looks like a much smarter home for your loyalty than London right now.

If you want to dive deeper into maximising your Oneworld redemptions or figuring out exactly how to link your Avios accounts, explore more guides on Points Uncovered.