DFW → SEA · 1,660 mi
Dallas to Seattle
$596typical business / first
✈️
What people paid
cheapest
$432
low
$520
typical
$596
high
$707
priciest
$819
Economy on this route starts around $120, so a premium seat runs about 3.59× the cheapest coach fare.
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Value
About 1% above the typical premium for a medium-haul route. Routes this length normally run 3.55× economy; this one is 3.59×.
By airline
| Alaska | ~$573 |
| American | ~$651 |
From 355 premium and 6,740 economy tickets in the US DOT Airline Origin & Destination Survey, 2025 Q2. Historical, not live — confirm with the airline.