| Alaska Airlines | 35.00 USD | 1st checked bag under 50 lbs (23 kg) | Economy | Most routes | per direction | Source (www.alaskaair.com) | Last verified: 2025-12-19 |
| Alaska Airlines | 45.00 USD | 2nd checked bag under 50 lbs (23 kg) | Economy | Most routes | per direction | Source (www.alaskaair.com) | Last verified: 2025-12-19 |
| Alaska Airlines | 150.00 USD | 3rd checked bag | Economy | Most routes | per direction | Source (www.alaskaair.com) | Last verified: 2025-12-19 |
| Alaska Airlines | 200.00 USD | Bags 4+ | Economy | Most routes | per direction | Source (www.alaskaair.com) | Last verified: 2025-12-19 |
| American Airlines | 35.00 USD | Bag 1; base rate shown as $35 (prepaid) / $40 (standard at check-in location); fees vary by destination and travel date | Economy (non-Basic) | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 45.00 USD | Bag 2; fees vary by destination and travel date | Economy (non-Basic) | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 150.00 USD | Bag 3; fees vary by destination and travel date | Economy (non-Basic) | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 200.00 USD | Bag 4+; fees vary by destination and travel date | Economy (non-Basic) | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 35.00 USD | Bag 1; base rate shown as $35 (prepaid) / $40 (standard at check-in location); fees vary by destination and travel date | Basic Economy | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 45.00 USD | Bag 2; fees vary by destination and travel date | Basic Economy | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 150.00 USD | Bag 3; fees vary by destination and travel date | Basic Economy | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| American Airlines | 200.00 USD | Bag 4+; fees vary by destination and travel date | Basic Economy | U.S. (including HI/AK), Puerto Rico, USVI | per direction | Source (www.aa.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 35.00 USD | 1st standard checked bag under 50 lbs (23 kg) | Basic Economy | US domestic | per direction | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 45.00 USD | 2nd standard checked bag under 50 lbs (23 kg) | Basic Economy | US domestic | per direction | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 35.00 USD | 1st standard checked bag under 50 lbs (23 kg) | Economy (non-Basic) | US domestic | per direction | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 45.00 USD | 2nd standard checked bag under 50 lbs (23 kg) | Economy (non-Basic) | US domestic | per direction | Source (www.delta.com) | Last verified: 2025-12-19 |
| JetBlue | 35.00 USD | 1st checked bag under 50 lbs (23 kg); prepaid online | Blue / Blue Plus | U.S., Caribbean, Central America | per direction | Source (www.jetblue.com) | Last verified: 2025-12-19 |
| JetBlue | 45.00 USD | 2nd checked bag under 50 lbs (23 kg); prepaid online | Blue / Blue Plus | U.S., Caribbean, Central America | per direction | Source (www.jetblue.com) | Last verified: 2025-12-19 |
| JetBlue | 150.00 USD | 3rd checked bag | All fares | Most routes | per direction | Source (www.jetblue.com) | Last verified: 2025-12-19 |
| JetBlue | 200.00 USD | 4th checked bag and beyond | All fares | Most routes | per direction | Source (www.jetblue.com) | Last verified: 2025-12-19 |
| Southwest Airlines | 0.00 USD | First and second checked bags free (up to 50 lbs / 23 kg each) | All fares | All routes | per direction | Source (www.southwest.com) | Last verified: 2025-12-19 |
| Southwest Airlines | 125.00 USD | Third checked bag | All fares | All routes | per direction | Source (www.southwest.com) | Last verified: 2025-12-19 |
| Southwest Airlines | 75.00 USD | Overweight bag (51–100 lbs); bags over 100 lbs not accepted | All fares | All routes | per direction | Source (www.southwest.com) | Last verified: 2025-12-19 |
| Southwest Airlines | 75.00 USD | Oversize bag (63–80 inches L+W+H); bags over 80 inches not accepted | All fares | All routes | per direction | Source (www.southwest.com) | Last verified: 2025-12-19 |
| United Airlines | 35.00 USD | First checked bag prepaid online $35; $40 at airport | Economy (non-Basic) | US domestic | per direction | Source (www.united.com) | Last verified: 2025-12-19 |
| United Airlines | 45.00 USD | 2nd checked bag prepaid online $45; $50 at airport | Economy (non-Basic) | US domestic | per direction | Source (www.united.com) | Last verified: 2025-12-19 |