An airport exchange counter is one of the few retail businesses that can rely on customers who have already made their decision, are short of time, and cannot easily walk to a competitor. Add airport-terminal rent, extended opening hours, staffing, security, and the cost of physically holding cash in dozens of currencies, and the pricing follows naturally.
How to read the board
The display shows two columns, usually labelled something like we buy and we sell. Both are quoted from the bureau's point of view, which is the part that trips people up.
| Column | Meaning | Sample |
|---|---|---|
| We buy | What they pay you for the foreign currency | 0.8400 |
| Mid-market | The real market midpoint | 0.9200 |
| We sell | What they charge you to obtain it | 1.0000 |
The distance between the two columns is the spread, and it is the clearest single indicator of how expensive a counter is. In the example above the spread is enormous — the buy and sell rates sit roughly eight to nine percent either side of mid-market. Exchange there and back and you would lose a substantial fraction of your money without a single transaction going wrong.
It is nearly always accurate and nearly always irrelevant. Zero commission means no separate line-item fee; the entire margin is in the rate. A counter advertising no commission alongside a very wide spread is more expensive than one charging a small stated fee at a tight spread. Compare the amount you will receive, which the counter must tell you before you commit.
Why the airport specifically
- Captive demand. A passenger who has just landed without local cash has effectively no alternative inside the terminal.
- Rent and hours. Terminal retail space is among the most expensive commercial property there is, and counters often operate close to around the clock.
- Inventory cost. Physical banknotes in many currencies sit idle, insured, and secured. That is working capital earning nothing, and the margin has to cover it.
- Denomination risk. Exotic currencies may be hard to offload, so the spread on them is wider still.
- Little price comparison. Most travellers do not know the mid-market rate at the moment they walk up, which removes the main pressure that would otherwise compress margins.
The same forces apply, in weaker form, at hotel desks, tourist-district bureaux, and cruise terminals.
What to do instead
Withdraw from a bank ATM on arrival
Usually the best combination of rate and convenience, provided you decline dynamic currency conversion at the machine and use a card without punitive foreign fees. Prefer ATMs operated by an actual bank over the free-standing machines in terminals and tourist areas, which frequently add high operator fees on top.
Pay by card and carry little cash
In most developed economies you can go through an entire trip on card. Carry a small cash reserve for taxis, tips, markets and rural areas rather than converting a large float.
Order currency in advance
If you want cash in hand before departure, ordering online from a bureau for home delivery or branch collection is normally far cheaper than buying at the airport — the same company will often quote a much better rate for a pre-ordered pickup than for a walk-up.
Use a multi-currency account or travel card
Load and convert before you leave, at or near mid-market within the provider's limits, then spend on the card locally.
When the airport counter is genuinely the right choice
There are real cases:
- You need a small amount of local cash immediately — for a train ticket, a taxi, a luggage locker — and no bank ATM is available. Losing several percent on 40 units is a trivial sum; being stranded is not.
- Your card has failed or is blocked and you need funds.
- You are arriving somewhere with limited ATM infrastructure or where card acceptance is unreliable, and you know you will need cash.
- You have leftover foreign notes at the end of a trip that you will not use again, and the alternative is holding them indefinitely.
The principle in all four: exchange the smallest amount that solves the immediate problem, then use a better method for the rest.
Practical checks at the counter
- Look up the mid-market rate on your phone before you approach — that is what our converter is for.
- Ask for the exact amount you will receive for the exact amount you are handing over.
- Ask whether any fee applies in addition to the rate shown.
- Check the minimum-transaction rules; some boards show a better rate that only applies above a threshold.
- Count the money at the counter before you walk away, and keep the receipt.
The short version
Airport counters are expensive because their customers are captive and their costs are high. Read the spread rather than the commission claim, compare the receiving amount against the mid-market rate, and treat the counter as an emergency tool for small amounts rather than the way you fund a trip. A bank ATM on arrival, a card without foreign transaction fees, and a habit of declining conversion at the terminal will beat it nearly every time.
Check before you land Look up the real rate for your destination currency so you can judge any board at a glance.
Open the converter