Active listing — confirm final terms

Seatfrog referral code: Sharon Bal & Get Upgrade Discount

Use the Seatfrog referral code Sharon Bal to get Upgrade Discount. See what the brand offers, how to apply and what you need to do next.

Written by Maya ReedEditorial lead

Verified by Ellis MorganOffer verification editor

Seatfrog offer at a glance

Reward: Upgrade Discount
How to claim: Enter Sharon Bal
Category: Travel & transport
Last checked: 16 October 2026

Evidence status

Active listing — confirm final terms

The destination is live, but the provider may change eligibility, reward value or timing.

About Seatfrog

Seatfrog is a UK rail-travel app that brings several tasks into one journey flow: buying rail tickets, adding a booked trip, bidding for a cabin-class upgrade, taking an instant upgrade where the app offers one, and in some cases changing train time. Its upgrade product is not a replacement for a rail ticket. A traveller starts with a valid Standard Class ticket for the same service, then uses the Seatfrog mobile app to see whether an eligible upgrade is available. The app may label the offered class as First Class or Standard Premium, depending on the operator and service, so readers should inspect that label rather than assume every listing is First Class.

The experience is availability-led. An auction lets the traveller set a private maximum bid and Seatfrog raises it in small increments up to that cap. If available, Upgrade Now is a separate fixed-price route that confirms an upgrade immediately rather than waiting for an auction. A successful upgrade is supplied as a barcode in the app and by email; the passenger must retain and show both that barcode and the original valid Standard Class ticket when requested. Seatfrog says upgrades are for selected partner routes and services, not every train, and availability can change. The platform may help a passenger obtain a better class of travel, but it does not promise a particular train, seat, catering, accessibility space, seating together, fare level or outcome from bidding.

Get Upgrade Discount with Seatfrog

**Seatfrog referral: £5 off a first eligible First Class upgrade.** Use the exact referral link **https://seatfrog.mention-me.com/m/ol/oe3lraqz-sharon-bal**. The referral code/name recorded for this offer is **Sharon Bal**. The live landing page for that exact link says that Sharon has saved the recipient £5 off their first upgrade to First Class and asks for an email address so a £5 voucher can be emailed. Do not alter the link, shorten it, or replace the recorded code/name with a different one.

The offer should be treated as a referral voucher for a new customer’s first eligible upgrade, not as a general price reduction on all Seatfrog products. Seatfrog’s referral help says referred customers must be new and rewards apply to first-time purchases; the landing page is more specific about a first First Class upgrade. Before paying, read the wording displayed with the voucher and at checkout, because the provider says referral offers can change. The record does not establish the voucher’s expiry date, an eligible operator list, a minimum spend, whether it can cover any booking fee, or every excluded upgrade type. Provider confirmation is needed for any of those points if they matter to the trip.

The £5 is an **upgrade discount**, not cash, a rail ticket, a fare quote, a guaranteed First Class seat, a winning auction bid, a Railcard discount, compensation for disruption, or a promise that food, a particular seat or other operator amenity will be available. It does not remove the need to hold a valid underlying ticket for the exact train. It also should not be read as a promise that an upgrade will be displayed, that a selected operator will participate, or that the final total will be £5: the app must show the actual eligible upgrade and checkout total.

How to claim the offer

11. Open the exact referral URL **https://seatfrog.mention-me.com/m/ol/oe3lraqz-sharon-bal** rather than relying on a copied, altered or shortened link. It is the current route that identifies the referral from **Sharon Bal** and displays the £5 first-upgrade message.
22. Enter an email address on that referral page to request the voucher. Use an address you can receive mail at and, unless Seatfrog tells you otherwise, use the same address for the relevant Seatfrog purchase. Seatfrog identifies mismatched claim and purchase emails as a reason a referral reward may not arrive.
33. Install or open the Seatfrog mobile app and create or sign in to an account. The referral programme is intended for a new customer and first-time purchase, so an existing Seatfrog customer should not assume the voucher will qualify. If account history is unclear, obtain provider confirmation before paying.
44. Buy or add the valid Standard Class ticket for the specific train you plan to use. Then add the trip to Seatfrog. A referral voucher does not create the underlying rail ticket and does not make an otherwise ineligible service upgradeable.
55. In the app, inspect the trip’s upgrade screen. Confirm the operator/service is supported, the class actually offered (First Class or, on some services, Standard Premium), the train details, passenger quantity and whether the route is an auction or Upgrade Now. If no upgrade is shown, do not assume the voucher can be used later or on a different booking without checking its terms.
66. Apply the emailed voucher only where Seatfrog presents a valid redemption field or flow, and read the offer terms visible at that point. Keep the recorded code/name **Sharon Bal** exactly as shown if a manual referral-name entry is offered. Seatfrog says referral codes cannot be combined with another promotion or discount code, so select one promotion for that transaction.
77. Before placing a bid or tapping Buy Upgrade, compare the pre-confirmation total with the voucher expectation. Check whether the £3 per-upgrade booking fee is shown inside the price or separately, and confirm that the £5 discount has actually been applied. For an auction, remember the bid and any fee apply per upgrade/passenger if successful.
88. If the upgrade is confirmed, keep the original Standard Class ticket, upgrade barcode, confirmation email and receipt. Present the original ticket and the upgrade barcode when asked. Check the train before travel: confirmed upgrades are normally tied to that service and are generally non-refundable once issued, subject to the disruption pathways described by Seatfrog.

Your referral benefit

The recorded benefit is **£5 off the recipient’s first eligible First Class upgrade**, delivered as a voucher through the exact Sharon Bal referral journey. The live referral page states that the voucher is sent by email after the recipient supplies an email address. Seatfrog’s programme help separately says that a referred customer receives their reward when making their first purchase, while a referrer’s reward follows only after that purchase is confirmed. Those statements describe a referral process, not an instant £5 credit in every account.

Check the final price before confirming. For Seatfrog upgrades, Seatfrog describes a £3 booking fee per passenger upgrade. In an auction it is payable only if the bid wins; in some app displays it may be included in the shown price and in others appear as a separate line, but the full total should be shown before confirmation. A voucher does not by itself prove that the fee is waived. Underlying rail-ticket cost, any upgrade price and the booking fee remain separate considerations. Railcards do not apply to upgrades according to Seatfrog’s upgrade guidance, and child upgrades are stated to cost the same as adult upgrades.

The discount is therefore useful only if the app offers an eligible upgrade and the voucher is accepted against it. An auction can end without a win, while Upgrade Now may not be offered for a particular train. Prices vary with service, availability and demand. Never infer a saving against an onboard price or against an operator’s First Class fare unless Seatfrog shows the comparison for the exact journey.

Before you claim

Open **https://seatfrog.mention-me.com/m/ol/oe3lraqz-sharon-bal** and confirm that it still names Sharon and says £5 off a first upgrade to First Class before sharing personal data or proceeding.
Confirm that the email used on the referral page is the email used for the Seatfrog purchase; Seatfrog lists a different email address as a common reason a referral reward is missing.
At account and checkout stage, confirm you are genuinely a new Seatfrog customer making a first eligible purchase. Existing accounts, prior purchases or an incorrect referral route may mean the promotion is not available.
Check the app’s exact class label. Seatfrog auctions can be for First Class or Standard Premium; do not value a Standard Premium offer as if it were necessarily a First Class offer.
Check the underlying ticket: it must be a valid Standard Class ticket for the same train. Confirm the service, date, route and passenger count before an upgrade is purchased or a bid is allowed to run.
Check the total immediately before confirmation. Verify the £5 voucher is accepted, see whether the £3 booking fee per upgrade is included or separately displayed, and do not assume the discount pays that fee.
For an auction, check the maximum bid is the amount intended per seat and the number of upgrades is correct. A group bid is charged per upgrade if it wins, seats together are not guaranteed and a partial group win does not happen automatically if insufficient seats remain.
Read the service-specific restrictions and refund position before committing. Upgrade Now is final and a confirmed upgrade normally cannot be transferred to another train; if cancellation or delay occurs, preserve the barcode, original ticket and receipt, then follow Seatfrog or the rail operator’s stated process.

Seatfrog referral questions

What is the Seatfrog referral code for this record?

The recorded referral code/name is **Sharon Bal**. The safer route is the exact live referral URL: **https://seatfrog.mention-me.com/m/ol/oe3lraqz-sharon-bal**. Seatfrog’s referral help says a person can share a unique link or a friend can enter the referrer’s name at checkout. If a manual-name route cannot find Sharon Bal, do not guess variations: use the exact link or ask Seatfrog to confirm the eligible referral flow.

What does the Sharon Bal link currently offer?

When checked, the exact landing page stated that the recipient receives £5 off their first upgrade to First Class and that the £5 voucher is emailed after an email address is entered. That is an upgrade discount, not £5 paid into a bank account and not a discount on an underlying rail ticket. The landing page does not establish every term, so verify the voucher wording when it arrives.

Who is likely to qualify for the £5 discount?

Seatfrog says referral rewards are valid for new customers and first-time purchases, while the specific landing page calls this the first First Class upgrade. The prudent interpretation is a new Seatfrog customer’s first eligible First Class upgrade. An existing customer, a person who has already purchased through Seatfrog, or a person seeking a different product should obtain provider confirmation rather than expect the referral to apply.

When will the voucher or reward arrive?

The live referral page says the £5 voucher will be emailed after the recipient enters an email address. Seatfrog also warns that some referral rewards have a waiting period and identifies a mismatch between the offer-claim email and purchase email as a possible issue. For the referrer, Seatfrog says their reward is sent only once the referred friend’s purchase is confirmed. No general issue time or expiry date is stated for this exact voucher, so do not rely on a deadline that Seatfrog has not displayed.

Can I use the referral voucher with another promotion or discount code?

No combination should be assumed. Seatfrog’s referral help says only one discount code can be used per transaction and referral codes cannot be combined with other promotional offers or discount codes. If an app checkout shows an alternative deal, compare the actual totals and use only the option that remains valid at confirmation.

Does the £5 discount give me a train ticket or guarantee I will win an upgrade?

No. It does not supply the required Standard Class ticket, reserve a seat or ensure an auction win. An auction needs a valid ticket for the same service, payment details and app access; only winning bidders are charged. Upgrade Now, when it appears, is a different fixed-price purchase. If no eligible upgrade is offered on the selected service, the voucher alone cannot create one.

What charges may still apply after the £5 discount?

The original ticket price is separate. Seatfrog says a £3 booking fee applies per passenger upgrade and that the fee is payable only if an auction is won; for Upgrade Now it is added to the purchase, with the full total shown before confirmation. The app may include the fee in the displayed upgrade price or show it as a line item during a display transition. Check final checkout rather than subtracting £5 from a headline figure.

Can I use the discount for a group or with a Railcard?

Do not presume either outcome. Seatfrog permits multiple upgrade bids where available, but the bid and £3 fee are per upgrade, each traveller needs a valid Standard Class ticket for the same train, and adjacent seating is not guaranteed. Seatfrog says Railcards do not apply to upgrades and child upgrades are the same price as adult upgrades. The exact referral voucher’s passenger scope is not stated on the landing page, so provider confirmation is needed for group redemption.

What if I bid successfully or buy Upgrade Now, then cannot travel?

Confirmed Seatfrog upgrades are normally non-refundable and cannot normally be transferred or exchanged to another train. A bid can be retracted before the auction starts, but not once it has started. Seatfrog describes limited disruption routes: an unused upgrade may be refundable if the train is cancelled before travel and the barcode was not scanned; if the passenger travels and the upgrade is scanned, Seatfrog directs delay compensation claims to the train operator’s Delay Repay process. Keep the original ticket, upgrade barcode and receipt.

Why might the code, voucher or referral reward fail to work?

Possible causes given by Seatfrog include not following the friend’s link or entering the name correctly, using a different email address, not meeting the offer terms, trying to combine promotions, entering accidental spaces, or the referred friend not completing a first purchase. A failed attempt can also reflect no eligible upgrade on that service, an already-existing Seatfrog account or a changed campaign. Take a screenshot of the checkout message and contact Seatfrog customer service rather than substituting an invented code.

Sources and verification

Reviewed 16 October 2026. The status above explains how much of the recorded claim was confirmed; always check the live brand page for the latest eligibility rules, deadlines and reward details.

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