By Joseph Hellman-Benjamin, Founder and CEO of The Points King. Last updated: October 12, 2026. Editorial Policy
Sell airline miles vs. cash back credit cards: which pays more? For everyday spending, cash back. A flat 2% card returns $2 on every $100. An airline card paying 1 mile per dollar returns miles worth about $1.20 to $1.45 at The Points Guy’s October 2026 values, and less than that if you sell the miles. Airline cards still win in three places: checked bag fees, welcome bonuses and money spent with the airline itself. Selling miles is a way out of a balance you already hold. It is not a reason to pick a miles card.
I am Joseph Hellman-Benjamin, and I have run The Points King since 2017. We buy airline miles, so you might expect me to tell you to collect them. On ordinary spending the numbers do not support that, and I would sooner you heard it from me. There are no affiliate links on this site.
The Arithmetic
| Card type | What $100 of everyday spending earns | On $20,000 a year |
|---|---|---|
| Flat 2% cash back | $2.00 | $400 |
| Flat 1.5% cash back | $1.50 | $300 |
| Airline card at 1 mile per dollar, Delta or United | 100 miles, worth about $1.20 | About $240 |
| Airline card at 1 mile per dollar, American | 100 miles, worth about $1.45 | About $290 |
| Airline card in a 2 miles per dollar category | 200 miles, worth $2.40 to $2.90 | $480 to $580 if all spending were in that category |
Mile values are from The Points Guy, October 1, 2026. NerdWallet puts American higher, at 1.7 cents, and Delta and United at the same 1.2. For a 1 mile per dollar card to match 2% cash, a mile has to be worth 2 cents. Neither source values any US airline mile that high.
Miles valued at The Points Guy’s October 2026 averages: about 1.2 cents for Delta and United, 1.45 cents for American. The 2 miles per dollar row assumes all spending falls in that category, which is the best case.
Those are values for miles spent on flights. A cash sale to a broker pays less than a good flight redemption, so the gap against cash back is wider if selling is the plan.
The Cards
| Card | Annual fee | Everyday rate | What else it does |
|---|---|---|---|
| Citi Double Cash | $0 | 2%: 1% when you buy, 1% when you pay | Rewards can also be used as Citi points |
| Wells Fargo Active Cash | $0 | 2% | $100 bonus after $500 of spending in 3 months |
| Chase Freedom Unlimited | $0 | 1.5% | 3% on dining and drugstores |
| Capital One Quicksilver | $0 | 1.5% | No foreign transaction fee |
| Citi AAdvantage Platinum Select | $99, waived the first year | 1 mile per dollar | 2 miles on American, restaurants and gas; first checked bag free |
| Delta SkyMiles Gold American Express | $150, $0 the first year | 1 mile per dollar | 2 miles on Delta, restaurants and US supermarkets; first checked bag free; 15% off award flights |
| Southwest Rapid Rewards Plus | $99 | 1 point per dollar | 2 points on Southwest; first checked bag free |
Sources: the card pages of Citi, Wells Fargo, Chase and Capital One, read October 12, 2026; NerdWallet on the AAdvantage card and the Southwest cards (October 1, 2026); and One Mile at a Time on the Delta card (August 27, 2026). Offers change, so check the issuer before you apply.
What Changed in 2025 and 2026
- Miles got harder to earn by flying. United cut members with no United card from 5 miles per dollar to 3 on April 2, 2026, per NerdWallet. American stopped awarding miles on Basic Economy tickets bought from December 17, 2025.
- Cash is not immune either. Citi cut the cash value of points on its Strata Premier card from 1 cent to 0.75 cents on August 24, 2025, The Points Guy reported.
- More cardholders are under strain. J.D. Power’s 2026 study, released August 13, found 52% of cardholders carry a balance and 60% are financially unhealthy, up from 56%. Only 29% said they use their card in a way that maximizes rewards.
- Interest is about ten times the rewards rate. The Federal Reserve’s October 7, 2026 release put the average card rate at 21.19% for August 2026.
Where the Airline Card Wins
- Checked bags. A first checked bag costs $35 to $45 each way, NerdWallet notes. Two people checking a bag on one round trip save $140 to $180, which covers the annual fee on its own.
- The welcome bonus. Airline cards in this fee range were offering 50,000 to 80,000 miles in October 2026, against $100 to $250 on the cash back cards, according to NerdWallet’s card lists. At 1.2 to 1.45 cents, 50,000 miles is worth $600 to $725.
- Spending with the airline. Two miles per dollar or more on tickets beats 2% cash.
- Award discounts. The Delta card takes 15% off award flights, and United cardholders get at least 10% off since April 2026.
That same J.D. Power study found airline cardholders the most satisfied group, at 641 on a 1,000 point scale against 613 overall, Payments Dive reported. People who fly one airline several times a year get real value from these cards. They get it from the perks, not from the everyday earning rate.
Where Selling Miles Fits
My business buys miles, so here is the plain version. Earning miles in order to sell them is a poor plan, for three reasons.
- A 2% cash back card pays more per dollar spent than a 1 mile per dollar card does at full flight value, and a sale pays less than flight value.
- Selling breaks the airline’s terms. The airline can take back the miles and close the account.
- Cash back arrives with no minimum and no risk. We do not buy balances under 50,000 miles.
Selling does have a place. It is for miles you already have and will not use: a balance from years of work travel, a program you have stopped flying, a welcome bonus with no trip to spend it on. The risk is the same whatever the reason: selling miles is against the airline’s terms, and the airline can take the miles back or close the account. Read the risks of selling miles and points, compare the airline’s own options in how to turn airline miles into cash, and see what United miles are worth in dollars for one program’s numbers. The quote form is on the sell airline miles page.
The Middle Path: Points That Can Be Either
Some bank cards let you decide later. Chase points are worth 1 cent each as cash and, with a Sapphire card, can also move to airlines. Capital One Venture miles are worth 1 cent each against travel purchases and transfer to airlines as well. If you are unsure whether you will travel, these keep both doors open, where an airline card commits you to one airline’s currency from the first dollar. NerdWallet’s guide (September 29, 2026) works through an example: at $2,000 a month, a 2% card and a 2 miles per dollar card both return about $480 a year when a mile is worth 1 cent.
If You Carry a Balance
None of the above applies. At 21% interest, a $3,000 balance costs about $630 a year, more than the rewards on $30,000 of spending at 2%. Pay the balance down first and pick the card with the lowest rate.
Which Should You Choose?
- You fly once or twice a year and travel light: a 2% cash back card.
- You fly one airline several times a year and check bags: that airline’s card for the perks, and a cash back card for everything else.
- You travel often on different airlines: a bank card with transferable points.
- You hold a pile of miles you will not use: stop earning more, switch your spending to cash back, and decide what to do with the balance.
Frequently Asked Questions
Is cash back better than airline miles?
On everyday spending, yes for most people: 2% cash beats 1 mile per dollar at any published valuation of a US airline mile. Miles come out ahead on airline purchases, welcome bonuses and business class redemptions.
Can I earn more by collecting miles and selling them?
No. A sale pays less than the value of a mile on a flight, and that value is already below 2 cents. Selling also breaks the airline’s terms.
Is it legal to sell airline miles for cash?
Selling miles is against the terms and conditions of most airline loyalty programs, which means the airline can take back the miles and close your account if it finds the sale. This page is not legal advice.
Do cash back rewards expire?
Usually not while the account is open. Capital One, for example, says Quicksilver rewards do not expire for the life of the account. Check your own card’s terms.
Can I switch my miles card to a cash back card?
Often. Many banks let you change to another card in the same family without closing the account. Ask the issuer, and use any miles tied to the bank’s own program first.
Are credit card rewards taxable?
Rewards earned by spending are generally treated as a discount on what you bought, not as income, NerdWallet explains. Bonuses that require no spending can be taxable.
From the card table on this page. The Citi AAdvantage Platinum Select fee is waived the first year and Delta’s Gold card is $0 the first year.
Sources
- The Points Guy: monthly valuations, October 1, 2026
- NerdWallet: points and miles valuations, updated October 6, 2026
- NerdWallet: cash back vs. travel rewards, updated September 29, 2026
- NerdWallet: should I get an airline credit card, updated October 1, 2026
- NerdWallet: best cash back cards, updated October 1, 2026
- NerdWallet: best airline cards, updated October 1, 2026
- Citi: Double Cash Card, read October 12, 2026
- Wells Fargo: Active Cash Card, read October 12, 2026
- Chase: Freedom Unlimited, read October 12, 2026
- Capital One: Quicksilver, read October 12, 2026
- NerdWallet: Citi AAdvantage Platinum Select review, October 1, 2026
- One Mile at a Time: Delta SkyMiles Gold card review, updated August 27, 2026
- NerdWallet: Southwest credit cards, updated October 1, 2026
- J.D. Power: 2026 U.S. Credit Card Satisfaction Study, August 13, 2026
- Payments Dive: credit card strain rises, August 14, 2026
- Federal Reserve: G.19 consumer credit, October 7, 2026
- NerdWallet: United 2026 mileage changes, updated June 16, 2026
- The Points Guy: Citi Strata Premier cash value, May 19, 2025
- NerdWallet: are credit card rewards taxable, updated November 9, 2025