Airport currency exchange: real costs and when it makes sense

Ask the counter to write the final amount you pay and the final amount of local cash you receive. Confirm whether the board shows the rate for buying or selling your currency and whether a fixed charge is deducted. A zero-commission offer may still have a less favorable exchange rate.

A reference rate helps you estimate the difference, but it is not an executable retail quote. ECB reference rates, for example, are informational rather than transaction rates. Compare quotes collected at a similar time and in the same direction.

Hypothetical example: a reference rate of 4 local units per EUR makes EUR 100 equivalent to 400 local units. Counter A offers 380 after all fees. Counter B offers 392 but charges another EUR 2, so its total cost is EUR 102.

For A, the shortfall against the reference is (400 − 380) ÷ 400 = 5%. For B, compare 392 with 102 × 4 = 408: the shortfall is 3.92%. B has the smaller relative cost, but requires more euros and supplies more cash. For a strict like-for-like choice, request both quotes for exactly EUR 100 total. These are invented figures for arithmetic, not current rates.

Check your issuer’s withdrawal fee, any allowance already used, FX rules and cash-advance treatment before comparing. The ATM operator may add a separate fee. A small withdrawal can be expensive relative to its size; a large withdrawal increases the cash you must protect. Neither is automatically the right choice.

Dynamic currency conversion (DCC) offers to bill the withdrawal in your card’s currency. Visa says the offer should show the exchange rate and additional charges and leave the choice to you. Choosing local currency declines that offered conversion, but does not remove your own issuer’s fees. If the options or total price are unclear, cancel and use another available method.

List the first transport payment, any cash-only accommodation balance and essential purchases until the next reliable cash source opens. Check the actual transport operator’s payment methods rather than assuming a whole country is card-first or cash-only.

A staffed exchange counter may be worth a higher documented cost if an ATM is unavailable, your card fails or your last connection is leaving. Use an authorized provider, count the notes and keep the receipt. Do not trade safety for a marginal saving or take an informal offer from a stranger.

Compare the actual buyback quote with keeping currency for a likely future trip. Do not buy unnecessary goods merely to avoid carrying change. Coins may be refused by a particular bureau, but they do not become worthless on departure.

Holding foreign cash carries exchange-rate and loss risk. Some currencies have export restrictions, so check the relevant customs authority before carrying them out. Do not assume airport opening hours, buyback promises or coin acceptance without checking.