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CardCurator — Rewards Intelligence
Card Comparison

Blue Business Cash Card vs Southwest Plus

Side-by-side comparison of fees, rewards, benefits, and transfer partners.

Blue Business Cash Card card art
American Express Membership Rewards
Blue Business Cash Card
American Express
More Info
Southwest Plus card art
Southwest Rapid Rewards
Southwest Plus
Chase
More Info
Annual Fee
No annual fee
$99/yr
Foreign Fees
None
None
Signup Bonus
75,000 points
Spend $6,000 in 4 months
85,000 points
Spend $3,000 in 3 months
Top Earn Rates
  • All purchases 2x
  • Southwest Purchases 2x
  • Gas Stations and Grocery Stores 2x
  • All Other Purchases 1x
Reward Type
cashback
miles
Key Credits
None
None
Transfer Partners
  • Flying Blue
  • Delta SkyMiles
  • True Blue
  • Qatar Avios
  • Virgin Atlantic Flying Club
  • +13 more
No transfer partners
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Common Questions: Blue Business Cash Card vs Southwest Plus

Is the Blue Business Cash Card or Southwest Plus better for dining?

Neither card offers a specific dining bonus — both earn their base rate on restaurant purchases.

Which has the higher signup bonus in 2026?

Blue Business Cash Card currently offers 75,000 pts signup bonus (spend $6,000 in 4 months). Southwest Plus offers 85,000 pts signup bonus (spend $3,000 in 3 months). Blue Business Cash Card 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 Blue Business Cash Card 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. Blue Business Cash Card is from American Express and Southwest Plus is from Chase, so they're governed by separate bank policies.