You generally cannot add a past Best Buy purchase to your Southwest account; you must use the portal link at the time of purchase.
Do you have a in mind, or are you trying to hit a certain point goal for a Companion Pass? Best Buy Credit Card: Rewards & Financing best buy rapid rewards
Earn Southwest points by clicking through the shopping portal. You generally cannot add a past Best Buy
Because Best Buy and Southwest are separate programs, you can often "double dip": Because Best Buy and Southwest are separate programs,
Earning rates fluctuate, but you typically earn a set number of points per dollar spent. Check the portal for limited-time "bonus" offers.
High-demand items (like certain gaming consoles or Apple products) are sometimes excluded from earning points through the portal. Always read the "Terms & Conditions" on the Southwest Shopping site before buying.
To maximize your earnings, use a Southwest Rapid Rewards Visa from Chase. This allows you to earn points through the credit card spend (usually 1x on "all other purchases") on top of the points earned via the shopping portal. Maximizing Your "Double Dip"