Alaska's Premium Class offers extra legroom and free cocktails, ideal for a comfortable journey.
Alaska's Wi-Fi is a flat fee, perfect for getting work done on longer flights.

Round-trip from | $179 (Trip.com) |
|---|---|
One-way from | $94 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $385 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Fri 1/16
6:05 am-6:50 pm
1 stop10h 45m
Dallas Love Field
Sun 1/18
11:05 am-5:50 pm
1 stop8h 45m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Tue 3/24
12:23 am-6:20 am
Nonstop3h 57m
Dallas/Fort Worth
Sun 3/29
6:00 am-8:29 am
Nonstop4h 29m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Wed 1/14
5:55 pm-11:45 pm
Nonstop3h 50m
Dallas/Fort Worth
Sat 1/24
4:25 pm-6:55 pm
Nonstop4h 30m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Mon 1/19
5:55 pm-11:45 pm
Nonstop3h 50m
Dallas/Fort Worth
Mon 1/26
4:25 pm-6:55 pm
Nonstop4h 30m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Fri 1/16
5:55 pm-11:45 pm
Nonstop3h 50m
Dallas/Fort Worth
Sun 1/25
6:20 am-8:53 am
Nonstop4h 33m
SeattleDallas
SEA - DAL
SEADAL
Seattle/Tacoma Intl
Tue 3/17
1:45 pm-7:40 pm
Nonstop3h 55m
Dallas Love Field
Fri 3/27
7:30 am-9:50 am
Nonstop4h 20m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Sun 1/25
9:30 am-3:28 pm
Nonstop3h 58m
Dallas/Fort Worth
Sun 2/15
6:40 am-12:58 pm
1 stop8h 18m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Tue 1/13
9:25 am-5:23 pm
1 stop5h 58m
Dallas/Fort Worth
Fri 1/23
6:20 am-8:53 am
Nonstop4h 33m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Fri 1/23
6:05 am-5:06 pm
1 stop9h 01m
Dallas/Fort Worth
Sun 1/25
6:20 am-8:53 am
Nonstop4h 33m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Sun 1/18
9:30 am-3:28 pm
Nonstop3h 58m
Dallas/Fort Worth
Sat 1/24
2:41 pm-6:29 pm
1 stop5h 48m
To ensure you get the cheapest price possible for a flight from Seattle to Dallas, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Seattle to Dallas (average of $100). Flying from Seattle to Dallas in December is currently the most expensive (average of $175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Seattle to Dallas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.
Travelers seeking maximum savings on their Seattle to Dallas flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to A78 are scheduled on a Sunday (59 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 on average).
About 15% of weekly flights between Seattle and Dallas have experienced delays in the past year, with the average delay time being 144 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, American Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Anonymous,Sep 2025
SEA - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$109 | Average$228 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$131 | Average$293 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$138 | Average$271 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$336 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$177 | Average$326 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$182 | Average$355 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$254 | Average$301 | FlexibilityNo cancel fee | On-time69% |