What airline points cards actually do, and what they cost
An airline points credit card earns you miles or points every time you use it, and those points convert into free or discounted flights. The card itself costs money — usually $95 to $450 per year — and that annual fee is the first thing to weigh against what you'll actually fly.
The math is straightforward: if a card costs $150 per year and you earn enough points for one free domestic flight (typically 25,000 to 50,000 points), that flight needs to be worth more than $150 to you for the card to make sense. A $300 flight makes the card worth it. A $100 flight does not.
Most airline cards also offer a sign-up bonus — often 50,000 to 75,000 points if you spend a certain amount in the first few months. That bonus alone can cover the annual fee and then some, but only if you were already planning to spend that money anyway. Manufactured spending to hit a bonus is a trap.
Key Takeaways
- The annual fee is real money that comes out of your account every year, so compare it against the value of flights you actually plan to take.
- Sign-up bonuses are largest when you meet spending requirements you were going to hit anyway, not when you change your spending to chase points.
- Different airlines have different point values, award availability, and blackout dates — a card that works for someone flying Delta may not work for someone flying Southwest.
- Bonus categories (like 3x points on dining) only matter if you spend money in those categories; otherwise a flat-rate card may be better.
- The best card for you depends on which airline you fly most, how often you fly, and whether you value points or cash back more.
How to figure out which airline card makes sense for you
Start by looking at your actual flight history. Which airline do you fly most? If you flew five times last year and three were on United, a United card is worth considering. If your flights are split evenly across four airlines, a single-airline card may not be the right choice at all.
Next, check what your typical flight costs. If you usually book domestic flights for $250 to $400, you need to know how many points that airline requires for a free flight in that range. United and American typically ask for 25,000 to 50,000 points for a domestic flight. Southwest uses a different system based on dollar amount rather than points. Delta's award chart varies by distance. These numbers change, so check the airline's website directly rather than relying on a card company's marketing.
Then calculate the annual fee against realistic redemption. If you fly twice a year and each flight costs $300, you're looking at $600 in potential value. A $95 annual fee leaves you $505 ahead if you can convert points into those flights. But if you fly once a year, the math gets tighter. A $150 annual fee on one $300 flight is breakeven at best.
Sign-up bonuses: when they're worth chasing and when they're not
A sign-up bonus of 75,000 points sounds large until you do the math. If that airline requires 50,000 points for a domestic flight, your bonus is worth one free flight — minus the annual fee you'll pay. That's a real benefit, but only if you were already planning to spend the required amount.
The trap is spending money you wouldn't otherwise spend to hit the bonus. If a card requires $3,000 in spending in three months and you normally spend $1,500 in that period, you're manufacturing $1,500 in spending to earn a bonus. That's expensive. You'd need to earn at least 2 points per dollar spent to break even on that manufactured spending, and most cards earn 1 to 1.5 points per dollar on non-bonus categories.
The bonus makes sense when it aligns with spending you were going to do anyway — a big home repair, a work trip you're paying for upfront, a wedding gift you were buying. In those cases, the bonus is genuinely information programs.
Comparing points value across different airlines
Not all airline points are worth the same amount of money. This is where the comparison gets real.
| Airline | Typical domestic award cost | Typical point value per flight | How points are valued |
|---|---|---|---|
| Southwest | $150–$400 flight | Points match the dollar price | No traditional points; you earn dollars toward flights |
| United | 25,000–50,000 points | $250–$400 per 25,000 points | Distance-based; varies by route |
| American | 25,000–50,000 points | $250–$400 per 25,000 points | Distance-based; varies by route |
| Delta | 25,000–50,000 points | $250–$400 per 25,000 points | Distance-based; varies by route |
The value of a point depends on what flight you're booking. A United point might be worth 1 cent on a short flight and 2 cents on a long flight. That means the same 50,000 points could get you a $500 flight or a $1,000 flight depending on the route. Check the specific routes you fly before deciding which airline's card to get.
Bonus categories and everyday spending: do they matter?
Many airline cards offer bonus points in specific categories — 3x points on dining, 2x points on gas, 1x point on everything else. These bonuses only help if you actually spend money in those categories.
If you spend $200 a month on dining, a 3x card earns you 7,200 bonus points per year on that spending alone. That's meaningful. But if you spend $30 a month on dining, the bonus is 1,080 points per year — barely a dent toward a free flight. In that case, a flat-rate card that earns 2 points per dollar on everything might be better.
The same logic applies to gas, groceries, and travel purchases. Add up what you actually spend in each category, multiply by the bonus rate, and see if it moves the needle toward a free flight. If it doesn't, ignore the bonus categories and focus on the annual fee and sign-up bonus instead.
What happens to your points if you close the card
Your points stay in your airline account even after you close the credit card. You don't lose them. This matters because it means you can open a card for the sign-up bonus, close it after the first year to avoid the annual fee, and still use the points you earned.
However, some airlines will close your frequent flyer account if you have no activity for a certain period — usually 12 to 24 months. Using your points counts as activity, so redeeming a flight or transferring points to a partner keeps your account open. Closing the card doesn't automatically close your account, but inactivity will.
Comparing airline cards to cash-back cards
A cash-back card might be better than an airline card if you don't fly often or if your flights are unpredictable. A 2% cash-back card on all spending is simpler than chasing airline-specific bonuses, and you can use the cash for anything — not just flights.
The trade-off: airline points are often worth more per dollar than cash-back when you redeem them for flights, but only if you actually redeem them. If you earn 50,000 airline points and never book a flight, those points are worthless. If you earn $500 in cash back and never spend it, at least it's sitting in your account as real money.
For someone who flies regularly on the same airline, an airline card usually wins. For someone who flies occasionally or switches airlines, cash-back is simpler and more reliable.
Frequently Asked Questions
Do I have to fly the airline that issued my credit card?
No. You earn points every time you use the card, regardless of what you're buying or where you're flying. The points go into that airline's frequent flyer account, and you can use them to book flights on that airline whenever you want. You don't have to fly that airline to earn points, but you do have to fly it to redeem them.
What if I earn points but never use them?
Points expire if your airline account has no activity for 12 to 24 months, depending on the airline. Using the card, booking a flight, or transferring points to a partner keeps your account active. If you're not going to fly, a cash-back card is safer because the money doesn't expire.
Can I transfer points between airlines?
Most airline cards let you transfer points to partner airlines or hotel programs, but the exchange rate is usually bad — you might get 0.8 points in the partner program for every 1 point you transfer. It's rarely worth it unless you're trying to top up points for a specific flight you can't otherwise book.
Should I open multiple airline cards to earn more points?
You can, but each card has its own annual fee. Opening two $95 cards means paying $190 per year. That only makes sense if you fly two different airlines regularly and the combined points from both cards cover the combined fees. For most people, one card is enough.
What's the difference between points and miles?
They're the same thing — different airlines just use different names. United and American call them miles. Delta and Southwest call them points. The redemption works the same way: accumulate them, book a flight, fly for free or discounted.