SEA → DFW · 1,660 mi
Seattle to Dallas
$543typical business / first
✈️
What people paid
cheapest
$404
low
$465
typical
$543
high
$646
priciest
$913
Economy on this route starts around $108, so a premium seat runs about 3.72× the cheapest coach fare.
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Value
About 5% above the typical premium for a medium-haul route. Routes this length normally run 3.55× economy; this one is 3.72×.
By airline
| Alaska | ~$542 |
| American | ~$758 |
From 223 premium and 5,344 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.