For the third year in a row, Dulles International Airport (IAD) and San Francisco International Airport (SFO) have the two highest average fares in the country. Flights from Dulles cost $488.40 on average in 2023, while flights from San Francisco cost $444.59.
Some silver lining for travelers who need to travel through Dulles: IAD is home to some of the best airport lounges in the country, including the recently-opened Capital One Lounge, available to Capital One Venture X or Venture Rewards credit card holders. With free food, drinks, and recharging stations, lounges can be one easy way to offset otherwise-expensive airport costs.
Salt Lake City International Airport (SLC) has the third-highest average airfare in the country, with an average cost of $438.34.
Last on our top-five list of the most expensive airports are Charlotte Douglas International Airport (CLT) and Detroit Metro Airport (DTW). Average airfare from Charlotte cost $436.80 last year, while flights from Detroit had an average price tag of $427.05.
Biggest jumps in affordability rankings
Seattle-Tacoma International Airport (SEA) was the biggest affordability winner over the last year, dropping prices by more than $18 on average. SEA jumped from 36th most-affordable place last year to 28th place this year — an increase of eight spots.
Raleigh-Durham International Airport (RDU) and Portland International Airport (PDX) experienced similar jumps, rising by seven spots each. RDU went from 24th place in 2022 to 17th in 2023, while PDX went from 42nd to 35th.
Biggest drops in affordability ranking
Two different airports fell by eight spots in our affordability rankings, tied for the biggest drop of the year. The average fare at Sacramento International Airport (SMF) rose by $18.66 year-over-year, which led SMF to go from 18th in last year's affordability rankings to 26th this year.
Prices rose even more at St. Louis Lambert International Airport (STL), going up by $19.64 on average from one year to the next. Consequently, STL fell from 21st to 29th place in terms of affordability.
How to save when you fly
As you plan your travel, you'll find costs can vary widely at a single airport. With a little research and smart planning, you can find a deal at any airport. Here are a few tips to save on airfare:
- One way to save on airfare is to use airline credit card points, or travel cards, to book your travel. For newer travelers, some welcome bonuses on beginner travel credit cards can be enough to earn you a free flight (or two).
- As we all know, flights aren't the only expensive part of traveling. Save money on baggage fees by understanding your airlines and prepping for the hidden costs of air travel.
Methodology
We looked at 2023 airfare data released by the U.S. Department of Transportation in May 2024 to compare domestic airfares by origin city. This report calculated average fares based on domestic itinerary fares.
"Itinerary fares" consist of round-trip fares, unless only a one-way ticket was purchased. In that case, the one-way fare was used. Fares are based on total ticket value, including the price charged by the airline plus any additional taxes and fees levied at the time of purchase. Fares include only the price paid at booking and do not include fees for optional services like baggage fees. Averages also do not include frequent-flyer or "zero fares" or a few abnormally high reported fares.