Alaska Airlines offers Wi-Fi for a flat fee, ideal for business travelers needing to work.
Alaska's MileagePlan awards miles based on distance, not ticket price, offering great value.
Round-trip from | $162 (Priceline) |
---|---|
One-way from | $108 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $277 |
Good round-trip deal | $313 or less |
Good one-way deal | $195 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Thu 9/18
12:05 pm-9:26 pm
1 stop7h 21m
Dallas/Fort Worth
Sat 9/20
2:22 pm-8:39 pm
1 stop8h 17m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Thu 11/13
7:17 pm-5:29 am
1 stop8h 12m
Dallas/Fort Worth
Mon 11/17
10:30 pm-12:13 pm
1 stop15h 43m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Mon 11/24
5:35 pm-11:29 pm
Nonstop3h 54m
Dallas/Fort Worth
Thu 11/27
4:30 pm-6:59 pm
Nonstop4h 29m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Tue 9/23
7:00 am-11:15 am
1 stop26h 15m
Dallas/Fort Worth
Tue 9/30
7:45 am-10:59 pm
1 stop17h 14m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Sat 9/20
7:00 am-11:00 pm
1 stop14h 00m
Dallas/Fort Worth
Tue 9/30
7:45 am-10:59 pm
1 stop17h 14m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Tue 9/23
7:00 am-11:15 am
1 stop26h 15m
Dallas/Fort Worth
Sat 9/27
2:22 pm-8:39 pm
1 stop8h 17m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Sat 11/22
5:35 pm-11:29 pm
Nonstop3h 54m
Dallas/Fort Worth
Thu 11/27
4:30 pm-6:59 pm
Nonstop4h 29m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Thu 9/4
5:50 pm-11:44 pm
Nonstop3h 54m
Dallas/Fort Worth
Tue 9/30
4:30 pm-6:48 pm
Nonstop4h 18m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Fri 9/5
6:12 am-10:38 am
1 stop26h 26m
Dallas/Fort Worth
Sun 9/7
1:51 pm-12:50 pm
1 stop24h 59m
SeattleDallas
SEA - DFW
SEADFW
Seattle/Tacoma Intl
Fri 9/12
6:12 am-1:11 pm
1 stop28h 59m
Dallas/Fort Worth
Sun 9/14
1:51 pm-12:52 pm
1 stop25h 01m
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Dallas/Fort Worth Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from Seattle to Dallas/Fort Worth Airport (average of $216). Flying from Seattle to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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/Fort Worth Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 43% on airfare.
Travelers seeking maximum savings on their Seattle to Dallas/Fort Worth Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Portland (PDX) – chosen by Cheapflights users on 89% of 1-stop itineraries from Seattle to Dallas/Fort Worth Airport on Cheapflights.
Flights via Portland (PDX) have the shortest average one-way travel time for 1-stop routes: 7h 40m.
Flights via Portland (PDX) have the shortest average one-way travel time for 1-stop routes: 7h 40m.
Flights via Portland (PDX) offer the fastest connection on this route, with an average layover time of 3h 23m.
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$75 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$94 | Average$219 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$131 | Average$270 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$134 | Average$284 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$178 | Average$331 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$179 | Average$328 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$207 | Average$297 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$254 | Average$503 | FlexibilityNo cancel fee | On-time69% |