Checked bag fees are one of the airline industry's most reliable revenue streams, and one of the easiest travel costs to eliminate entirely. Most major domestic airlines charge $35 to $40 for the first checked bag each way. A family of four checking bags on a round trip pays $140 to $320 before the trip begins. The co-branded airline card for your primary carrier eliminates this cost completely, often paying for the card's annual fee on the first flight.
The benefit works by linking your frequent flyer number to your credit card account. When you book a flight with your card or enter your frequent flyer number at booking, the airline waives the first bag fee for you and any companions on the same reservation, up to eight additional passengers depending on the card.
Which Airlines Offer Free Bags via Credit Card
| Airline | Cards That Unlock Free Bags | Coverage |
|---|---|---|
|
Alaska Airlines
$35 standard bag fee
|
Alaska Airlines Visa Signature ($95) · Alaska Airlines Visa Business ($75) | First bag free; cardholder + 6 companions |
|
American Airlines
$35 standard bag fee (domestic)
|
Citi AAdvantage Platinum Select ($99) · Citi AAdvantage Executive ($595) | First bag free; cardholder + 4 companions (Platinum Select) or + 8 (Executive); domestic only |
|
Delta Air Lines
$35 standard bag fee
|
Delta SkyMiles Gold Amex ($150) · Delta SkyMiles Platinum Amex ($350) · Delta SkyMiles Reserve Amex ($650) | First bag free; cardholder + 8 companions |
|
Southwest Airlines
$35 first bag (since May 2025)
|
Southwest Rapid Rewards Plus ($69) · Premier ($99) · Priority ($149) | First bag free; cardholder + 8 companions |
|
United Airlines
$35 standard bag fee
|
United Explorer Card ($150) · United Quest Card ($350) | First bag free; cardholder + 1 companion (Explorer) or + 1 with 2 free bags each (Quest) |
The Break-Even Math
Co-branded airline cards are among the easiest travel cards to justify on a pure cost-savings basis. The Delta Gold charges $150 per year after the first year. A single round trip with one checked bag saves $70 at current rates. Two round trips with one bag each covers the annual fee. For anyone who checks a bag regularly, the math works from the first flight.
The United Explorer Card charges $150 annually (waived year one) but only covers the cardholder plus one companion. For solo travelers or couples, two round trips with one bag each saves $160 in bag fees, covering the annual fee in full.
A family of four checking bags on two round trips saves up to $560 per year. Co-branded airline cards typically cost $95 to $150 annually.
Requirements to Get the Benefit
Free bag benefits are not automatic, and the requirements vary slightly by airline. Getting this wrong at the airport results in paying full bag fees even with the card in your wallet.
Requirements Vary by Airline: Know Your Card's Rules
Delta and American require your frequent flyer number on the reservation; no purchase requirement applies. Alaska requires that you pay for the ticket with the card. United has the strictest requirement: you must both purchase the ticket with the United Explorer Card and include your MileagePlus number on the reservation. Missing either step forfeits the United bag benefit. (The purchase requirement is waived for flights in the first 90 days after account opening.)
All Companions Must Be on the Same Booking
The free bag benefit covers companions, but they must be on the same reservation as the cardholder. If a family books separately, only the booking that includes the cardholder gets the benefit. Always book together to maximize coverage.
Check In Through the Airline Directly
Checking in through a third-party app or kiosk can sometimes fail to recognize the benefit. Check in through the airline's own app or website to ensure the waiver applies. If the bag fee shows up, call the airline before paying.
Basic Economy Bookings Are Often Excluded
Delta, United, and American all exclude Basic Economy fares from the free bag benefit on their co-branded cards. The benefit applies to standard economy and above. If you regularly fly Basic Economy, factor this into your card decision.
Stacking with Other Card Benefits
Co-branded airline cards offer more than free bags. Most mid-tier and premium versions include priority boarding, which means overhead bin space is available before the general boarding crowd. This makes the free checked bag benefit even more flexible: you can check a bag without worrying about bin space, or carry on knowing you'll board early enough to find room.
Higher-tier co-branded cards add lounge access and companion certificate benefits. The Delta Platinum and Reserve Amex cards include access to Delta Sky Clubs. The American AAdvantage Executive card includes Admirals Club access. These cards carry higher annual fees but the bag benefit remains and becomes one component of a broader value stack.
Choosing the Right Airline Card
The right card depends entirely on which airline you fly most. A co-branded card only delivers free bags on that airline's flights; it does not transfer to other carriers. If you split flights between two airlines regularly, consider holding cards for both. The combined annual fee is almost always less than the bag fees you'd pay otherwise.
For travelers with no dominant home airline, the Alaska Airlines Visa Signature offers broad value: Alaska's partner network is extensive, the bag benefit covers six companions, and the $95 annual fee is one of the lowest in the category. Alaska miles also transfer well to partner carriers for international redemptions.
Alaska: Benefit applies to Alaska and Hawaiian Airlines flights when you pay with the card. Covers the most companions (6) at the lowest annual fee in this group.
American: Domestic itineraries only. The Platinum Select covers 4 companions; the Executive card extends to 8. Basic Economy fares are excluded.
Delta: Any Delta SkyMiles Amex card qualifies. Just add your SkyMiles number to the reservation; no purchase-with-card requirement. Basic Economy ("Main Basic") is excluded.
Southwest: Ended free bags for all in May 2025. Co-branded cardholders still get the first bag free for themselves and up to 8 companions on the same reservation.
United: Strictest requirement: you must both pay with the United card and add your MileagePlus number to the reservation. Missing either forfeits the benefit. Basic Economy is excluded.
- American Airlines AAdvantage Cards Platinum Select, Executive, and business options
- Annual Fee Break-Even Calculator How to calculate if a card pays for itself
- Delta SkyMiles Credit Cards Compare Gold, Platinum, and Reserve options
- Southwest Companion Pass The most valuable benefit in domestic travel
- United Credit Cards Explorer, Quest, Club, and business options
For informational purposes only, not financial or professional advice. Card offers, bag fee policies, and benefit terms are subject to change. Verify current benefits directly with your card issuer and airline before travel.