They're on sale for $20 off through Nov. 18. By shopping this Costco gift card deal, you could unlock a total of $70 off Southwest flights. Score a $500 Southwest gift card for $429.99 Costco ...

Need to book flights soon? This Southwest Airlines gift card deal at Costco could save you big. Find out how to get a $500 ...

Now through Nov. 18, Costco is selling a $500 Southwest Airlines gift card for an additional $20 off. Using Google Flights to compare costs for different dates and carriers could save you even ...

Costco is selling a $500 Southwest Airlines gift card for $429.99 through Nov. 4. Airfare price comparison tools (like Google Flights) can help you save even more. Airfare can be expensive ...

One way is to purchase discounted gift cards for your favorite airlines and use the gift card funds to pay for your flights. Costco members can save big. If you're a Costco member, you can get a $ ...