+1-866 829 1755 or + 44-203-839-9606 (The Flight Policy Step By Step Process Guide, Fees & Rules In accordance with  Allegiant Air  flight reservation policy, you can call ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US)or: [ ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US) ] (USA) (NoWait) with your booking number available. Get the necessary paperwork ready and send it in for verification.. finished—call ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US)or [ ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US)(US)] How to avoid name change fees  +1-866 829 1755 or + 44-203-839-9606 ✈ on flights? To avoid name change fees, act [ ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US)(US)] within the 24-hour booking window; catch minor spelling errors ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US)immediately (most Airlines allow this for free; use the 24-hour cancellation { ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US) to rebook if necessary; or wait for a major flight schedule change (usually 90+ minutes). { ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (USA) or ☎  +1-866 829 1755 or + 44-203-839-9606 ✈ (US) (US) changes/refunds.