Booking 21 vs 54 days ahead: verify domestic round-trip fares

Compare domestic round-trip fares 21 vs 54 days ahead on the 10 busiest U.S. routes using live, like-for-like totals instead of headline prices. Independent technical note mirroring the canonical version: https://sarahcheapflights.com/blog/booking-21-vs-54-days-ahead-verify-domestic-round-trip-fares.php

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-11
DOI
https://doi.org/10.5281/zenodo.24145998
Primary Topic
Aviation Industry Analysis and Trends
Type
preprint
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Booking 21 vs 54 days ahead: verify domestic round-trip fares

Cooper Rhodes
Zenodo (CERN European Organization for Nuclear Research)
Aviation Industry Analysis and Trends
preprint

Booking 21 vs 54 days ahead: verify domestic round-trip fares

Cooper Rhodes
preprint en

Abstract

Compare domestic round-trip fares 21 vs 54 days ahead on the 10 busiest U.S. routes using live, like-for-like totals instead of headline prices. Independent technical note mirroring the canonical version: https://sarahcheapflights.com/blog/booking-21-vs-54-days-ahead-verify-domestic-round-trip-fares.php

Zenodo (CERN European Organization for Nuclear Research)
Aviation Industry Analysis and Trends
DOIOpen Access PDFOpenAlex
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Booking 21 vs 54 days ahead: verify domestic round-trip fares — Cooper Rhodes · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS