Zero Forex Markup or More Reward Miles? Running the Real Spend Math on a 7-Day Overseas Trip for Indian Travellers (2026)
By Kabir Malhotra (Kabir Malhotra writes about travel credit cards, reward points and the real economics of paying overseas for Indian flyers.) · Published · 11 min read
Indian travellers obsess over whether a zero-forex card beats a high-rewards card abroad, but the answer flips depending on how much you actually spend. We run the numbers on a 7-day trip to find the exact crossover point where a 2% markup card still wins on net value.
The two costs that decide every overseas swipe
Every time your Indian card is swiped abroad, two things happen at once. First, a foreign currency markup is added on top of the Visa/Mastercard wholesale rate — typically 0% on a true zero-forex card, around 1.5% to 2% on a premium rewards card, and up to 3.5% on an entry-level card (verify your exact rate in the card's Most Important Terms and Conditions). Second, you may earn reward points or miles on that same spend, which have a redemption value that varies wildly by card and how you cash them out.
The mistake most travellers make is comparing only one of these. A zero-forex card looks unbeatable on markup, but if it earns you nothing on international spend, a card charging 2% markup that hands back 3% to 5% in well-redeemed miles can quietly come out ahead. The real question is never "which card has lower forex?" — it is "which card has the better net cost after markup minus reward value?"
On top of both sits the 20% TCS (Tax Collected at Source) on overseas spends beyond the annual threshold under the Liberalised Remittance Scheme — but note TCS is refundable against your income tax, so it is a cash-flow hit, not a true cost, and it applies regardless of which card you pick. So it does not change the head-to-head; it just means you should not let it sway the decision.
Setting up a fair 7-day trip to compare
Let's model a realistic 7-day trip — say Bangkok or Dubai — where you put your on-ground spending on a card: hotels, dining, shopping, local transport and a few activities. Assume an indicative card spend of roughly 1,00,000 in rupee-equivalent over the week (flights are usually booked in India in INR, so we exclude them). Your two contenders:
- Card A — Zero forex: 0% markup, but earns a flat low rate on international spend (say the equivalent of about 1% in redeemable value).
- Card B — Rewards beast: around 2% markup, but earns accelerated points worth roughly 4% to 5% when redeemed against flights or transferred to a good airline partner.
These bands are indicative for 2026 and you must check your own card's earn rate and the realistic value-per-point you actually achieve. A point is only worth what you redeem it for — the same point can be worth 0.25 against a cashback statement credit or 1.00-plus against a partner award seat.
Running the actual numbers
On 1,00,000 of spend:
- Card A (zero forex, ~1% earn): Markup cost = 0. Reward value = roughly 1,000. Net benefit ≈ +1,000.
- Card B (2% markup, ~4.5% effective earn): Markup cost = roughly 2,000. Reward value = roughly 4,500. Net benefit ≈ +2,500.
Here Card B wins by around 1,500 on the week — but only because its points were redeemed well. Halve Card B's redemption value (a very common real-world outcome if you cash points out as statement credit at ~0.25 each), and its reward value drops to about 1,125, making net benefit roughly -875 — now it loses to the zero-forex card.
This is the whole game. The rewards card only wins when (earn rate × realistic redemption value) exceeds the markup percentage. With a 2% markup, you need your effective reward return to clear 2% just to break even with the zero-forex card's 1% earn — so you actually need to net above ~3% in reward value to come out ahead.
The crossover point, stated simply
Here is the rule you can carry to any card pairing. A markup card beats a zero-forex card when:
(reward rate of markup card × your real point value) − markup % > reward rate of zero-forex card × its point value
In plain terms, with a typical zero-forex card earning ~1%, a 2%-markup card needs to deliver more than roughly 3% in genuinely realised reward value to pull ahead. If you are the kind of traveller who transfers points to airline partners and books premium-cabin or sweet-spot award seats, hitting 4% to 6% effective value is achievable and the markup card wins comfortably.
If you redeem lazily — statement credits, gift vouchers at poor rates, or you let points expire — your effective value collapses to 1% to 2%, the markup eats the rest, and the boring zero-forex card is the smarter, lower-risk choice.
Spend volume changes the answer too
The percentages are scale-invariant, but the rupee gap widens with spend, which matters for how much effort each card deserves. On a 1,00,000 trip the difference between the two cards in our example was about 1,500 — real, but not life-changing. On a 4,00,000 spend (a longer trip, a family, or big shopping), that same gap becomes roughly 6,000, which is well worth optimising for.
Conversely, if you barely swipe abroad — you prepay everything in India and only spend 20,000 on the ground — the absolute difference shrinks to a few hundred rupees, and the convenience and acceptance of whichever card you trust more should decide it. Do not chase a 300-rupee edge if it means carrying a card with patchy international acceptance or no lounge access.
The hidden factors the math doesn't show
Pure markup-vs-miles math ignores three things that often swing the real decision. Dynamic Currency Conversion (DCC): overseas terminals frequently offer to bill you in INR "for convenience" — always decline and pay in the local currency, or the merchant's bank applies its own ugly markup on top of your card's, wiping out any zero-forex advantage instantly.
Second, annual fees and milestone benefits. A rewards card may carry a 5,000-plus annual fee that a basic zero-forex card avoids; if you travel once a year, that fee can erase a season's worth of reward edge. Third, insurance and protections — many premium cards bundle overseas medical cover, lost-baggage and purchase protection that have real value if you ever need them, even though they never show up in a per-swipe spreadsheet.
If you want to compare what you'd actually pay on a specific itinerary before you pick a card, you can price routes and dates on FlightGPT and then decide whether to book in INR upfront or swipe abroad.
So which card should you actually carry in 2026?
The honest answer is a split decision based on one self-assessment: are you a disciplined points redeemer or not? If you reliably transfer to airline partners and book award seats at 4%-plus realised value, a modest-markup rewards card beats a zero-forex card on net value and you should carry it as your primary overseas card.
If you redeem casually, travel only once or twice a year, or just want a quiet, predictable experience, a true zero-forex card wins on simplicity and guaranteed savings — you never have to model anything; you just save 2% to 3.5% on every swipe versus a markup card. Many seasoned travellers carry both: the rewards card for big bookable spend they will redeem well, and the zero-forex card for incidental on-ground swipes. Whatever you choose, verify the exact markup, earn rate and fee on your bank's official site, because these terms change and 2026 line-ups differ across issuers.
Frequently asked questions
Is a zero forex markup card always cheaper abroad?
No. A zero-forex card saves the 2%-3.5% markup, but a rewards card charging ~2% markup can still win if you redeem its points at over 3% effective value (for example by transferring to airline partners). It is only cheaper on net cost if you redeem rewards poorly or not at all.
What is the crossover point where a markup card beats a zero forex card?
Against a typical zero-forex card earning ~1%, a 2%-markup card needs to deliver more than roughly 3% in genuinely realised reward value to come out ahead. Below that, the markup outweighs the rewards and the zero-forex card wins.
Does TCS affect which card I should use overseas?
No. The 20% TCS under the Liberalised Remittance Scheme applies to overseas spend beyond the annual threshold regardless of card, and it is refundable against your income tax. It is a cash-flow timing issue, not a card-choice factor.
What is Dynamic Currency Conversion and should I accept it?
DCC is when an overseas terminal offers to bill you in INR instead of the local currency. Always decline and pay in the local currency, otherwise the merchant's bank adds its own markup on top of your card's, often erasing any zero-forex benefit.
How do I calculate my real reward value per point?
Take what you actually redeem points for and divide the rupee value by points used. The same point can be worth around 0.25 as statement credit but over 1.00 when transferred to an airline for an award seat — your effective earn rate is the earn rate multiplied by this real per-point value.
Should I book flights in INR in India or pay abroad?
Flights are usually best booked in INR in India since they are charged domestically with no forex markup. Reserve your overseas card decision for on-ground spend like hotels, dining and shopping where the markup-versus-miles math actually applies.