| Alaska Airlines | 0.00 USD | Cancel within 24 hours of booking for full refund; within 24h | All fares | All routes | Source (www.alaskaair.com) | Last verified: 2025-12-19 |
| Alaska Airlines | Varies USD | Change and cancellation rules depend on fare type (Saver fares most restrictive); after 24h | All fares | All routes | Source (www.alaskaair.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 0.00 USD | Change/cancel fee: free; before departure | Economy (non-Basic) | US/Canada/Mexico/Caribbean/Central America | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 99.00 USD | Change/cancel fee; before departure | Basic Economy | US/Canada/Mexico/Caribbean/Central America | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 0.00 USD | Change/cancel fee: free; before departure | Economy (non-Basic) | South America/Europe/UK/Africa/Middle East/India/Asia/Pacific | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | 199.00 USD | Change/cancel fee; before departure | Basic Economy | South America/Europe/UK/Africa/Middle East/India/Asia/Pacific | Source (www.delta.com) | Last verified: 2025-12-19 |
| Delta Air Lines | Not permitted USD | Changes not permitted (Basic Economy tickets purchased before Nov 6, 2025); before departure | Basic Economy | Varies | Source (www.delta.com) | Last verified: 2025-12-19 |
| Frontier Airlines | 0.00 USD | Change flight fee (Basic Fare / Standard): 60+ days before departure | Basic Fare / Standard | All routes | Source (www.flyfrontier.com) | Last verified: 2025-12-19 |
| Frontier Airlines | 49.00 USD | Change flight fee (Basic Fare / Standard): 59 to 7 days before departure | Basic Fare / Standard | All routes | Source (www.flyfrontier.com) | Last verified: 2025-12-19 |
| Frontier Airlines | 99.00 USD | Change flight fee (Basic Fare / Standard): 6 days or less before departure (including same-day) | Basic Fare / Standard | All routes | Source (www.flyfrontier.com) | Last verified: 2025-12-19 |
| Frontier Airlines | 0.00 USD | Change flight fee: no change fees at any time; any time before departure | Economy / Premium / Business bundle | All routes | Source (www.flyfrontier.com) | Last verified: 2025-12-19 |
| Frontier Airlines | 99.00 USD | Cancel flight fee (Basic Fare / Standard): per passenger, per direction; before departure | Basic Fare / Standard | All routes | Source (faq.flyfrontier.com) | Last verified: 2025-12-19 |
| Frontier Airlines | 0.00 USD | Cancel flight fee: no cancellation fee; before departure | Economy / Premium / Business bundle | All routes | Source (faq.flyfrontier.com) | Last verified: 2025-12-19 |
| JetBlue | 0.00 USD | No change or cancellation fees; fare difference may apply; before departure | Blue / Blue Plus / Blue Extra | All routes | Source (www.jetblue.com) | Last verified: 2025-12-19 |
| JetBlue | Varies USD | Change and cancellation fees may apply depending on fare bundle (e.g., Blue Basic); before departure | Blue Basic | All routes | Source (www.jetblue.com) | Last verified: 2025-12-19 |
| Southwest Airlines | 0.00 USD | No change or cancellation fees; fare difference may apply; before departure | All fares | All routes | Source (www.southwest.com) | Last verified: 2025-12-19 |
| Spirit Airlines | 0.00 USD | No change or cancellation fees; fare difference may apply; before departure | All fares | All routes | Source (customersupport.spirit.com) | Last verified: 2025-12-19 |
| United Airlines | 0.00 USD | No change fee; fare difference applies; before departure | Economy (non-Basic) | US domestic and international | Source (www.united.com) | Last verified: 2025-12-19 |
| United Airlines | Not permitted USD | Changes and cancellations not permitted after 24 hours; after 24h | Basic Economy | Varies | Source (www.united.com) | Last verified: 2025-12-19 |