Consumer Airfare Index July 2019

Airfare to fall in July, as jet fuel prices continue to rise into the summer season

Patrick Surry - Jul. 9, 2019


  • This month, we project a 6.9% decrease in domestic round-trip flight prices to $222, compared to peak summer prices seen in June. 

  • Flight prices are in line with 2018 levels, and down -4.7% compared to the same time two years ago.

  • We forecast that prices will begin to fall beginning in July, until November. 

  • Jet fuel prices rose 1.3% compared to the previous month to $2.00/gal, and are nearly 12% higher than January 2019 levels. 

July airfare prices are expected to be in line with 2018 levels and down -4.7% compared to two years ago. The price of jet fuel rose this month to $2.00/gal but remains lower than 2018 levels ($2.16/gal in the previous year).  Airfare prices will fall until October of this year.

Domestic Consumer Airfare Prices
Figure 1: Actual average domestic consumer airfare prices through June 2019 (solid line), with six-month forward forecast price levels (dashed), showing prices falling this month (July) and falling until October.
Jet Fuel Prices (Short-term)
Figure 2: Jet fuel prices rose 1.3% in the most recent month of reporting data compared to the previous month, to $2.00/gal. Fuel prices are up nearly 12% compared to January of this year.
Jet Fuel Prices (Long-Term)
Figure 3: A longer range view shows that jet fuel prices are now just below 2011-2012 levels, and are growing again since a significant drop in 2015.
6-Month Forecast
Table 1: Hopper’s six-month forecast for consumer airfare, showing prices falling until they flatten in October.

Destinations to Watch on Hopper in July

The Hopper app predicts future flight prices with 95% accuracy. If you select the “Watch This Trip” button, Hopper will constantly monitor prices and notify you the instant you should buy. 

We calculated popular destinations for upcoming travel where you could save most by watching prices on Hopper. If you’re interested in visiting any of these destinations in the next few months, we recommend setting your watch on Hopper now so that you can be alerted about price drops this month. 

Top-10-Destinations Domestic
Table 2: Domestic destinations most likely to drop in price on Hopper in July.
Top-10-Destinations International
Table 3: International destinations most likely to drop in price on Hopper in July.

Capacity Trends

The capacity of major US carriers changed 4.6% and 2.1% from July of last year for domestic and international routes respectively. Foreign major carrier capacity grew 2.8% on U.S. international routes. LCC capacity over the past year has drastically expanded. US LCCs exhibited a YoY capacity growth of 15.8% and 29.9% in domestic and international markets respectively. Foreign low-cost carrier capacity is significantly lower than last July, due to the bankruptcy of Wow Airlines, a key Icelandic carrier until all routes were canceled this past March. International LCC capacity is up 9.9% if Wow Airlines are excluded.

Growth in capacity for US major and LCC carriers comes despite the temporary grounding of 737 Max planes beginning in March of this year. Although the grounding of these planes has impacted carrier capacity, overall domestic capacity remained higher in July 2019 than in the previous year. 

US Domestic Flights

Capacity-Trends Domestic

US International Flights

Capacity-Trends International


Our Consumer Airfare Index combines search data for every origin and destination in the United States, providing a near real-time estimate of overall airfare prices - unlike other comparable indices that can lag by several months. 

Our Consumer Airfare Index represents the price of tickets available for purchase in a given month, not necessarily for travel in that month. Since travel prices are represented in both time dimensions -- time of purchase and time of travel -- it can be difficult to interpret price dynamics. We use date of purchase because it reflects the price consumers are paying at a given point in time, and we report it alongside the typical advance purchase date to give an idea of how these prices translate into travel dates.

Other indices simply take the average of all fares to represent overall price which skews the results toward expensive fares and can give an unrealistic impression of the true cost of flying. We instead use what we consider to be a “good deal” for each route to reflect what consumers should reasonably expect to pay.

Since our index is constructed and forecasted at the origin-destination level, we can also provide comparable estimates for any combination of routes and extract insights on pricing not only across time, but also across different markets. We use monthly passenger data from the Bureau of Transportation Statistics to ensure that each domestic route is properly represented in the final index based on its share of total passengers. 

When predicting future prices, we also consider a few key features of airline pricing. First, prices within a given route will fluctuate with the number of passengers.

Second, prices change predictably with the seasons, especially during the peaks of summer and holiday travel. Of course, much of this variation has to do with increased demand - but in peak travel seasons, airlines can raise prices not only because there are more people interested in traveling, but also because the average traveler is willing to pay more for their summer vacation or trip home for the holidays.

Finally, changes in prices may persist, especially if there are underlying conditions pushing prices up or down, as these effects may be spread over several months. Conversely, the opposite may be true - after a big price increase or drop, fares are more likely to change in the opposite direction in future months. Since dynamics like these and the above aren’t always consistent, we evaluate future prices at the origin-destination level to capture the unique properties of pricing for different routes. 

Of course, predicting the future is no easy task, and many factors that influence pricing are simply unforeseeable. However, by exploiting the factors that are predictable, like trends in passenger distribution, seasonal variation, and recent price activity, it’s possible to extract insights about the near future of pricing.

The capacity section looks at total scheduled seats across major carriers and low cost carriers (LCC’s).  US Domestic Flights includes all scheduled seats on flights within the United States and US International Flights includes all scheduled seats on flights between the United States and destinations outside of the United States.

Historical Analysis and Comparisons

Our index generally tracks the Bureau of Labor Statistics’ Airfare Consumer Price Index, which is a related aggregation of the prices consumers pay to fly but is more strongly influenced by more expensive business-oriented travel. It’s also released on a more delayed schedule than our index.

Figure 4: Comparing monthly changes measured by Hopper’s consumer airfare index with the BLS airfare consumer price index.

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