The Frontier Airlines World Mastercard and Southwest Plus are closely matched. Frontier Airlines World Mastercard wins on 1 categories (50,000 pts signup bonus); Southwest Plus wins on 1 (80,000 pts signup bonus). The better pick depends on your spending patterns.
Frontier Airlines World Mastercard vs Southwest Plus
Side-by-side comparison of fees, rewards, benefits, and transfer partners.
Which Card Comes Out Ahead?
Frontier Airlines World Mastercard and Southwest Plus are close enough that the better pick depends on where you spend most, how much value you get from perks, and whether you prefer one rewards ecosystem over the other.
Best if you care most about stronger category earning on everyday spend.
Best if your main priority is the larger current welcome offer.
Comparison Method
CardCurator compares measurable differences first: annual fee, current welcome offer, top-end earning, and recurring credits. If the cards are close, the right answer depends on spending pattern and perk usage rather than headline prestige.
- flyfrontier.com 15x
- Restaurants 3x
- All Other Purchases 1x
- Southwest Purchases 2x
- Gas Stations and Grocery Stores 2x
- All Other Purchases 1x
- Two Free Checked Bags
- Unlock Free* Companion Travel4 at Elite Platinum Status
- Free seat Upgrades
- $100 Flight VoucherAfter $2,500 spend
Quick summary
A short version of the comparison with the main differences at a glance.
The Frontier Airlines World Mastercard and Southwest Plus are closely matched. Frontier Airlines World Mastercard wins on 1 categories (50,000 pts signup bonus); Southwest Plus wins on 1 (80,000 pts signup bonus). The better pick depends on your spending patterns. On raw upside, Frontier Airlines World Mastercard tops out at 15x versus 2x for Southwest Plus. Current signup bonus values are roughly $450 for Frontier Airlines World Mastercard and $800 for Southwest Plus. Updated June 4, 2026. Source: https://cardcurator.ai/compare/frontier-airlines-world-mastercard-vs-southwest-plus
- Frontier Airlines World Mastercard wins 1 of 4 comparison categories in CardCurator's quick verdict model.
- Top earn rate: Frontier Airlines World Mastercard reaches 15x; Southwest Plus reaches 2x.
- Annual fee: Frontier Airlines World Mastercard is $99/yr; Southwest Plus is $99/yr.
- Current public bonus values are approximately $450 and $800.
Common Questions: Frontier Airlines World Mastercard vs Southwest Plus
Is the Frontier Airlines World Mastercard or Southwest Plus better for dining?
Frontier Airlines World Mastercard earns 3x on dining; Southwest Plus has no dining bonus.
Which has the higher signup bonus in 2026?
Frontier Airlines World Mastercard currently offers 50,000 pts signup bonus (spend $500 in 3 months). Southwest Plus offers 80,000 pts signup bonus (spend $1,000 in 3 months). Southwest Plus has the larger bonus.
Which card is better for international travel?
Both cards charge no foreign transaction fees, making either a solid choice for international travel.
Can I hold both the Frontier Airlines World Mastercard and the Southwest Plus?
In most cases yes — holding both is allowed and can be a smart strategy for maximizing rewards across different spending categories. Frontier Airlines World Mastercard is from Barclays and Southwest Plus is from Chase, so they're governed by separate bank policies.
Keep Researching
If this matchup is close, the stronger next step is usually to read the full card reviews or use a broader ranking page instead of comparing random pairs one by one.