Editor’s note: This story was originally published here advanced marks.
American airlines hold the nation together, connect families, power commerce and promote tourism. Yet for businesses and regular people, it is important to keep a constant and close eye on what the cost of connectivity is – the airfare.
As ticket prices fall or rise, so do household budgets and corporate profits, which in turn serves as a signal for macroeconomic health. Upgraded Points’ US Airfare Watch Index tracks these key pricing indicators to provide a clear, data-driven view of where travel costs are and where they are headed.
This portal serves as a high-authority resource for the airline industry, synthesizing complex datasets from the Department of Transportation and the Bureau of Transportation Statistics. By converting raw federal data into intuitive charts and interactive tables, travelers, analysts and researchers get a live snapshot of the commercial-airfare landscape. To maintain extreme accuracy, our researchers reanalyze the data every quarter, ensuring that the insights are always in sync with the latest government reports.
The cost of air travel varies significantly depending on the specific route of the flight. This price disparity is driven by route-level dynamics – specifically, the number of competing airlines, the balance of business versus leisure demand, and the degree to which a single carrier dominates market share between two cities.
Travel and finance website researchers advanced marks Data from the Bureau of Transportation Statistics were analyzed Airline Origin and Destination Survey To compare the latest four quarters of airfare data between US airport-pair routes.
Average airfare was calculated from domestic, one-way airfare and includes applicable taxes and fees at the time of purchase. Bulk fares, zero fares and inconsistent data were excluded. Here are the airfares with the biggest price increases.
15. Burlington, VT – New York City, NY
- Percentage change in average one-way airfares (year over year): +33.7%
- Total change in average one-way airfare (YoY): +$59.36
- Average one-way airfare (Q3 2024–Q2 2025): $235.44
- Average one-way airfare (Q3 2023–Q2 2024): $176.08
14. San Antonio, TX – Tampa, FL
- Percentage change in average one-way airfares (year over year): +33.7%
- Total change in average one-way airfare (YoY): +$72.10
- Average one-way airfare (Q3 2024–Q2 2025): $285.74
- Average one-way airfare (Q3 2023–Q2 2024): $213.64
13. Miami, FL – Tallahassee, FL
- Percentage change in average one-way airfares (year over year): +33.8%
- Total change in average one-way airfare (YoY): +$54.21
- Average one-way airfare (Q3 2024–Q2 2025): $214.34
- Average one-way airfare (Q3 2023–Q2 2024): $160.14
12. Fort Myers, FL – Milwaukee, WI
- Percentage change in average one-way airfares (year over year): +34.2%
- Total change in average one-way airfare (YoY): +$72.64
- Average one-way airfare (Q3 2024–Q2 2025): $284.75
- Average one-way airfare (Q3 2023–Q2 2024): $212.11
11. New York City, NY – Richmond, VA
- Percentage change in average one-way airfares (year over year): +34.3%
- Total change in average one-way airfare (YoY): +$52.01
- Average one-way airfare (Q3 2024–Q2 2025): $203.70
- Average one-way airfare (Q3 2023–Q2 2024): $151.69
10. Jacksonville, FL – Miami, FL
- Percentage change in average one-way airfares (year over year): +34.7%
- Total change in average one-way airfare (YoY): +$58.01
- Average one-way airfare (Q3 2024–Q2 2025): $225.27
- Average one-way airfare (Q3 2023–Q2 2024): $167.27
9. Indianapolis, IN – Philadelphia, PA
- Percentage change in average one-way airfares (year over year): +34.8%
- Total change in average one-way airfare (YoY): +$90.73
- Average one-way airfare (Q3 2024–Q2 2025): $351.80
- Average one-way airfare (Q3 2023–Q2 2024): $261.07
8. Austin, TX – Cincinnati, OH
- Percentage change in average one-way airfares (year over year): +35.3%
- Total change in average one-way airfare (YoY): +$72.00
- Average one-way airfare (Q3 2024–Q2 2025): $276.06
- Average one-way airfare (Q3 2023–Q2 2024): $204.06
7. Atlanta, GA – Cleveland, OH
- Percentage change in average one-way airfares (year over year): +37.5%
- Total change in average one-way airfare (YoY): +$58.09
- Average one-way airfare (Q3 2024–Q2 2025): $213.01
- Average one-way airfare (Q3 2023–Q2 2024): $154.91
6. Kansas City, MO – New York City, NY
- Percentage change in average one-way airfares (year over year): +37.7%
- Total change in average one-way airfare (YoY): +$80.11
- Average one-way airfare (Q3 2024–Q2 2025): $292.64
- Average one-way airfare (Q3 2023–Q2 2024): $212.54
5. Los Angeles, CA – Louisville, KY
- Percentage change in average one-way airfares (year over year): +38.6%
- Total change in average one-way airfare (YoY): +$82.63
- Average one-way airfare (Q3 2024–Q2 2025): $296.95
- Average one-way airfare (Q3 2023–Q2 2024): $214.32
4. Las Vegas, NV – Milwaukee, WI
- Percentage change in average one-way airfares (year over year): +39.2%
- Total change in average one-way airfare (YoY): +$78.63
- Average one-way airfare (Q3 2024–Q2 2025): $279.24
- Average one-way airfare (Q3 2023–Q2 2024): $200.62
3.Cincinnati, OH – Philadelphia, PA
- Percentage change in average one-way airfares (year over year): +43.7%
- Total change in average one-way airfare (YoY): +$110.75
- Average one-way airfare (Q3 2024–Q2 2025): $364.10
- Average one-way airfare (Q3 2023–Q2 2024): $253.35
2.Milwaukee, WI – New York City, NY
- Percentage change in average one-way airfares (year over year): +45.8%
- Total change in average one-way airfare (YoY): +$91.81
- Average one-way airfare (Q3 2024–Q2 2025): $292.31
- Average one-way airfare (Q3 2023–Q2 2024): $200.50
1. Austin, TX – Detroit, MI
- Percentage change in average one-way airfares (year over year): +51.5%
- Total change in average one-way airfare (YoY): +$105.28
- Average one-way airfare (Q3 2024–Q2 2025): $309.87
- Average one-way airfare (Q3 2023–Q2 2024): $204.59