Fare data / Fare Index
EazAir US Domestic Fare Index
How US domestic airfares move week to week, measured from our own fare checks and compared route by route so a change in which routes were checked never counts as a price change.
98.7
index, week of Sep 28, 2026 (base week = 100)
-1.3%
since the base week
1,932
fare checks on 260 US routes
Index by week
| Week starting | Index | Routes checked | Routes matched with the week before | Fare checks |
|---|---|---|---|---|
| Aug 24, 2026 | before the index starts | 8 | first week | 12 |
| Aug 31, 2026 | 100 | 44 | 5 | 238 |
| Sep 7, 2026 | 104.5 | 91 | 28 | 176 |
| Sep 14, 2026 | 90.9 | 139 | 79 | 350 |
| Sep 21, 2026 | 90.5 | 122 | 93 | 479 |
| Sep 28, 2026 | 98.7 | 203 | 103 | 460 |
Biggest moves last week
Each route's median checked fare, compared with the week before.
- Las Vegas to Los Angeles$58 to $140 (+140.5%)
- Dallas to Newark$120 to $288 (+140%)
- Denver to Miami$118 to $269 (+128%)
- Orlando to Atlanta$97 to $196 (+103.1%)
- Dallas to Phoenix$108 to $199 (+84.3%)
- Orlando to Miami$58 to $105 (+80.2%)
- Chicago to Dallas$119 to $214 (+79.8%)
- Newark to Denver$128 to $227 (+77.3%)
Cheapest cities to fly from
Median of each route's median fare, last 4 weeks, cities with 3+ routes.
- 1. Phoenix$136 (5 routes)
- 2. Miami$136 (7 routes)
- 3. Detroit$150 (3 routes)
- 4. Chicago$154 (15 routes)
- 5. Denver$161 (13 routes)
- 6. Orlando$166 (8 routes)
- 7. Las Vegas$169 (9 routes)
- 8. Atlanta$177 (11 routes)
Fares by distance
Median fare and median cost per mile, last 4 weeks.
| Under 500 miles | $150 | 33.9¢ per mile | 17 routes |
| 500 to 999 miles | $147 | 19.6¢ per mile | 46 routes |
| 1,000 to 1,999 miles | $173 | 12.3¢ per mile | 50 routes |
| 2,000 miles and over | $211 | 8.9¢ per mile | 26 routes |
Method
Source: 1,932 fare checks on 260 US domestic routes made by EazAir between Aug 29, 2026 and Oct 10, 2026. Each check records the lowest fare our partner sites returned for the route, for one adult, in US dollars. Checks happen when travellers look at a route, so busier routes are checked more often.
Index: for each complete week (Monday to Sunday, UTC) we take each route's median checked fare. Each week is compared with the week before using only routes checked in both weeks: the index moves by the median of those routes' week-on-week ratios, and the links are chained from 100 in the base week. The base is the earliest week from which every following week matches at least 15 routes with the week before, so no gap is ever bridged by a guess. The current, incomplete week is never included.
Limits: fares are route-level, not for specific travel dates; the sample follows traveller demand rather than a fixed panel; and with a few weeks of history, week-to-week moves say more about the short term than about seasons. Updated every time this page loads, from the same data as our route pages.
Last updated Oct 10, 2026. Prices are the lowest fares our partner sites showed for this route when we last checked, at the time shown, for one adult in US dollars. Fares change often and are only confirmed when you book with the partner, where the final price, availability, baggage allowance and fare rules are shown. EazAir compares fares and does not sell tickets. Deals appear only for fares checked in the last 24 hours and are removed automatically after that.