Air Miles Calculator

Distance between Dallas, TX (DAL) and Seattle, WA (SEA)

Distance from Dallas to Seattle (Dallas Love Field – Seattle–Tacoma International Airport) is 1670 miles / 2687 kilometers / 1451 nautical miles.

How far is Seattle from Dallas?

There are several ways to calculate distances between Dallas and Seattle. Here are two common methods:

Vincenty's formula (applied above)
  • 1669.799 miles
  • 2687.281 kilometers
  • 1451.016 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1668.008 miles
  • 2684.399 kilometers
  • 1449.459 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Flight duration

Estimated flight time from Dallas Love Field (DAL) to Seattle–Tacoma International Airport (SEA) is 3 hours 39 minutes.

Time difference and current local times

The time difference between Dallas and Seattle is 2 hours. Seattle is 2 hours behind Dallas.

Time Difference

Dallas
Seattle

Dallas, TX

 CST

Seattle, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 183 kg (404 pounds).

Airport information


A Dallas Love Field
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DAL
ICAO Code: KDAL
Coordinates: 32°50′49″N, 96°51′6″W

B Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Map

Dallas to Seattle flight map.

Frequent Flyer Miles Calculator

Dallas (DAL) → Seattle (SEA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1670
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1670

Round trip?