Airlines We Track

Slipfare monitors prices on every major airline. Here's how rebooking works on each.

UA

United Airlines

No change fees on most fares. Basic Economy cannot be changed.

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DL

Delta Air Lines

No change fees on most fares. Basic Economy tickets cannot be changed or canceled.

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AA

American Airlines

No change fees on most fares. Basic Economy tickets cannot be changed.

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WN

Southwest Airlines

No change fees ever, on any fare type. Cancel or rebook for free anytime before departure.

AS

Alaska Airlines

No change fees on most fares. Saver fares cannot be changed.

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B6

JetBlue

No change fees on most fares. Blue Basic tickets can be canceled within 24 hours only.

NK

Spirit Airlines

Change fees vary by fare type and timing. Fees waived within 24 hours of booking.

F9

Frontier Airlines

Change fees vary by fare type. The Works and Business fares include free changes. Economy fares may incur fees.

HA

Hawaiian Airlines

No change fees on most fares. Main Cabin Basic tickets cannot be changed.

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NH

ANA (All Nippon Airways)

Change policies vary by fare class and route. Flex fares allow free changes; Value and Basic fares may incur fees.

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SY

Sun Country Airlines

No change fees. All fares can be canceled for a travel credit. Best fare classes are fully refundable.

G4

Allegiant Air

Changes and cancellations incur fees on most fares. Trip Flex add-on allows free cancellation for a travel voucher.

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