Seattle to Dallas Flight Deals

The displayed fares were last found on: Sun | 05 June 01:45 AM(EST) . Fares are round trip.

The table lists round-trip Seattle to Dallas flights. The displayed fares are non-warranted as airlines update their fares frequently. The airline ticket cost is inclusive of base fare, fuel surcharges, airline/airport/government taxes, and our service fee. More booking details available with Terms and Conditions.

Seattle to Dallas Flights: Factors Affecting Airline Ticket Cost

Air Ticket Cost by Season

High Season

“Early spring, and autumn”

March, April, September and October – the weather is warm and inviting. Spring temperature: Low 48.6°F (9.2°C); High 68.7°F (20.4°C). In autumn, it stays between 47.7°F (8.7°C) and 67.1°F (19.5°C).

Low Season

“Early summer, and late winter”

Mercury starts soaring by May. High temperature increases from 84.2°F (29°C) in May to 96.1°F (35.6°C) in July. Feb is late winter with low temperature 41.2°F (5.1°C).

Shoulder Season


The tail months of the year could be as cold as 37.3°F but thanks to Christmas and New Year that still keeps Dallas abuzz with enthusiastic visitors. Mild snowfall is expected.

Worst Season


June through August. Hot and humid summers with temperature between 90s°F and 96.4°F deters tourism. Rainfall days: 8 to 4. Humidity: 65.8 to 59.5%.

Air Ticket Cost by Month ($98 to $108)

  • Airfare

Cheapest: January to February

Costliest: March to November

Data Reference (1)

Air Ticket Cost by Carrier ($93 to $380)

  • Airfare (USD)

Cheapest: Spirit

Priciest: JetBlue

Data Reference (2)

Air Ticket Cost by Day ($109-$141)

  • Airfare (USD)

Pay less on: Monday to Thursday, Saturday, Sunday

Pay more on: Friday

Data Reference (3)

Air Ticket Cost by Hour ($109-$403)

  • Airfare (USD)

Cheapest: 5.00 am to 7.00 am

Priciest: 9.01 pm to 1.00 am

Data Reference (4)

Seattle to Dallas Flights: Airports, Airlines Information

Seattle Tacoma Airport

Airport Code: SEA

Location: 14 miles (23 km) south of Downtown Seattle and 18 miles (29 km) north-northeast of Downtown Tacoma

Airlines operating flights to DFW: American (AA), Spirit (NK), Alaska (AS), United (UA), Frontier (F9), JetBlue (B6), Delta (DL)

Number of nonstop flights to DFW per day: 10 to 20

Nonstop flight duration: 03 hours 45 minutes to 4 hours

Number of connecting flights to DFW per day: Over 700

Connecting flight duration: 5 hours 12 minutes to 10 hours and more – depending upon the layover time

1. Dallas/Fort Worth International Airport

Airport Code: DFW

Location: Halfway (approx.) between the major cities of Dallas and Fort Worth

2. Dallas Love Field

Airport Code: DAL

Location: 6 miles (10 km) northwest of downtown Dallas

Seattle to Dallas Flights: FAQs

What percentage of departure flights get delayed at Seattle?

18 percent flights were delayed in last one year (November 2018 – October 2019). The average delay minutes for flights equaled 58.07.

Which is the best airline by performance to fly to Dallas from Seattle?

Alaska. However, it operates nonstop as well as connecting flights to DFW with layover at Seattle (SEA) Airport.

Airlines On-Time Arrival %
Alaska 80.7
Spirit 80.4
American 76.9
United 76.9
JetBlue 73.5
Frontier 69.4

What airlines operate nonstop flights from SEA to DFW?

Alaska Airlines and American Airlines

DFW or DAL - Which is the cheapest airport option to fly into Dallas?

DFW. You have more airline choices including the leading low-cost carriers like Spirit and Frontier.

Data References

  1. The airfare trend (one-way) from SEA to Dallas (DFW) for Economy (American Airlines). No. of stops: Nonstop | Departure Date: Last Wednesday of every months from January 2020 to November 2020 (November fare is average of the last two months). Fares found on December 26, 2019. Departure Time: 5.30 to 7.30 am.
  2. The airfare trend (one-way) from SEA to DFW for Economy with all available carriers. No. of stops: Nonstop and connecting| Departure Date: Feb 26, 2020. Fares found on December 26, 2019. Departure Time: 5 am to 11 pm.
  3. The airfare trend (one-way) from SEA to DFW for Economy. Carrier: American. No. of stops: Nonstop | Departure Date: Sep 21 to 27, 2020. Fares found on December 26, 2019. Departure Time: 05.33 am.
  4. The airfare trend (one-way) from SEA to DFW for Economy (American/United/Alaska). No. of stops: Nonstop/connecting| Departure Date: Sep 27, 2020. Fares found on December 26, 2019. Departure Time: anytime