Frontier Airlines World Mastercard® vs Southwest Rapid Rewards® Plus
Side-by-side comparison
| Frontier Airlines World Mastercard® | Southwest Rapid Rewards® Plus | |
|---|---|---|
| Annual fee | $99 | $99 |
| Welcome offer | 100,000 miles | |
| Dining | 3x | 1x |
| Groceries | 1x | 2x |
| Gas | 1x | 2x |
| Travel | 5x | 1x |
| Streaming | 1x | 1x |
| Everything else | 1x | 1x |
| Est. yearly rewards* | $424 | $373 |
| Points type | Locked to Frontier Miles | Locked to Southwest Rapid Rewards |
| Network | Mastercard | Visa |
*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified June 2026. See your own numbers in the calculator.
The verdict
On a typical year of household spending, the Frontier Airlines World Mastercard® earns about $424 a year in rewards and the Southwest Rapid Rewards® Plus about $373, valuing every point at a flat 1 cent. The Frontier Airlines World Mastercard® charges $99, which you clear through its rewards and perks. The Southwest Rapid Rewards® Plus charges $99, which you clear through its rewards and perks. Counting rewards, fees, and any credits, the Frontier Airlines World Mastercard® delivers more total value, about $50 a year more for a typical spender, mostly because it earns more where you spend most, on travel and dining. Neither leans on transferable points, so the deciding factors are the welcome offer, the card network, and which everyday perks you will actually use. On the sign-up bonus, the Frontier Airlines World Mastercard® currently has the larger welcome offer. Note that Southwest Rapid Rewards® Plus is running a limited-time offer above the usual amount, so that edge may not last. A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.
Pick the Frontier Airlines World Mastercard® if your spending leans toward dining, travel. Pick the Southwest Rapid Rewards® Plus if your spending leans toward groceries, gas.