Cheap flights from Seattle to Dallas

Round-trip
Economy
Seattle (SEA)
Dallas (DFW)
Depart
Return
Any month
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How to find the cheapest flight from
Seattle (SEA) to Dallas (DFW)

All the information you need to plan the best SEA to DFW flight in 2021: compare Seattle to Dallas flight prices with the expected peak season, weather and rainfall in Dallas.
SEA - A78
Price
C$ 201 - C$ 390
A78
Temperature
15 - 36 °C
A78
Rainfall
48 - 116 mm

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 30% potential price drop

Round-trip from

C$ 201

From Seattle to Dallas

One-way from

C$ 157

One-way flight from Seattle to Dallas

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Dallas?

Travellers have found that booking a Friday departure is the best way to save up to 59% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Seattle to Dallas?

To save up to 34% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Dallas from C$ 523 1-2 weeks out and tickets from C$ 637 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Dallas?

Our data shows that August tends to be the cheapest month to fly to Dallas from Seattle. Users have commonly found prices around C$ 441 for the month, but tickets can be as low as C$ 351. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Seattle to Dallas (SEA - A78)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Dallas in the morning. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the afternoon.

Cheap flights from Seattle to Dallas in May, June 2021

The best prices found for SEA to DFW flights for May, June
18 May - 26 May
C$ 266pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
4 Jun - 12 Jun
C$ 289pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
12 May - 18 May
C$ 295pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Dallas 2021 flight deals

Cheap flights to Dallas from Seattle found for this year
16 Aug - 25 Aug
C$ 230pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
18 May - 26 May
C$ 266pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
14 Jul - 20 Jul
C$ 277pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Direct flights to Dallas from Seattle

Save time with Seattle to Dallas direct flight deals
1 Sep - 8 Sep
C$ 298pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
2 Sep - 7 Sep
C$ 311pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
2 Sep - 7 Sep
C$ 311pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
DAL
Dallas Love Field
DAL
Dallas Love Field
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Dallas

Late deals on round-trip flights to Dallas from Seattle, departing today and this week
18 May - 26 May
C$ 266pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
18 May - 2 Jun
C$ 381pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
 
1 STOP
DAL
Dallas Love Field
DAL
Dallas Love Field
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
18 May - 27 May
C$ 405pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
DFW
Dallas/Fort Worth
DFW
Dallas/Fort Worth
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Dallas from Seattle

The cheapest one-way flights from Seattle to Dallas
3:57 p.m. - 1:00 a.m.
Spirit Airlines
1 stop
7h 03m
SEA - DFW
Spirit Airlines
C$ 157
Spirit
8:55 p.m. - 6:50 a.m.
Delta
1 stop
7h 55m
SEA - DFW
Delta
C$ 216
Delta
9:00 a.m. - 6:04 p.m.
Alaska Airlines
1 stop
7h 04m
SEA - DAL
Alaska Airlines
C$ 229

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Dallas</span> flights.

Flight FAQs

From Seattle to Dallas

What airport do you fly from for flights from Seattle to Dallas?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Dallas. On average, Seattle/Tacoma Intl has 0 outbound flights to Dallas per day from 3 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Dallas to control the spread of COVID-19?

Alaska Airlines is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travellers booking flights from Seattle/Tacoma Intl to Dallas include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to Dallas have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, Spirit Airlines, and American Airlines flying from Seattle/Tacoma Intl to Dallas have implemented new flexible cancellation policies.

Can I find flights from Seattle to Dallas for under C$ 243 on Cheapflights?

Yes, there are multiple flights from Seattle to Dallas for under C$ 243. The cheapest flight booked recently is on Spirit Airlines for just C$ 230, but on average you can expect to pay C$ 302.

Are there direct flights from Seattle to Dallas for under C$ 365 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Dallas under C$ 365. A good price for a direct flight from Seattle to Dallas is less than C$ 345.

Are there last-minute flights available from Seattle to Dallas for under C$ 365?

There are currently 20+ open flights from Seattle to Dallas within the next 7 days for less than C$ 365.

What days are direct flights available from Seattle to Dallas?

Direct flights can be found on the following days: Monday, Thursday.

How many flights depart from Seattle to Dallas on average per day?

Per day, 2 flights depart from Seattle/Tacoma Intl to Dallas on average.
Afternoon (Noon - 6pm) - 50% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Is Seattle weather warmer or cooler than Dallas?

Expect the weather to be around 36 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Dallas is generally hotter than in Seattle.

How long is the flight from Seattle to Dallas?

A quick flight from Seattle to Dallas can take about 3h 44m. Alaska Airlines provides one of the quickest options available for as low as C$ 312. Airlines will cover a distance of 2683 km. All flights are typically direct.

What are the cheapest airlines to flying from Seattle to Dallas round-trip?

According to our current data, Spirit Airlines (C$ 230), Alaska Airlines (C$ 264), and Delta (C$ 286) offers the cheapest pricing from Seattle to Dallas. You may be able to fly from Seattle to Dallas for 20% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Seattle to Dallas one-way?

One-way options have recently been found by users for as low as C$ 97 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from C$ 167 and Delta from C$ 178 one-way.

Destination information for Dallas

Things to know before you go - useful duration and weather info for your trip from Seattle to Dallas.
Flight duration
3h 57m
Average temperature for May in Dallas
30.0 °C
Avg rainfall for May in Dallas
94.0 mm

Airports servicing Seattle

Airports servicing Dallas

Dallas/Fort Worth (DFW)
Dallas Love Field (DAL)
Dallas Addison (ADS)

Top 3 airlines flying from Seattle to Dallas

The chart below displays the airlines Cheapflights users travelling from Seattle to Dallas choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
C$ 68 C$ 189 No cancel fee 65%
Search Spirit Airlines flights
Alaska Airlines
C$ 104 C$ 235 No cancel fee 75%
Search Alaska Airlines flights
American Airlines
C$ 106 C$ 267 No cancel fee 71%
Search American Airlines flights

Hourly flight availability from Seattle to Dallas

See what time of day planes typically take off from Seattle towards Dallas.
Morning 6 AM to noon 73% of flight departures
Afternoon Noon to 6 PM 14% of flight departures
Evening 6 PM to midnight 9% of flight departures
Early morning Midnight to 6 AM 4% of flight departures
Midnight
6 AM
Noon
6 PM
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