
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $304 (Expedia) |
One-way from | $168 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $430 |
Fly from
Fly to
Route
Depart
Return
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Wed 7/29
6:24 am-8:45 am
Nonstop4h 21m
Seattle/Tacoma Intl
Wed 8/12
11:03 pm-5:02 am
Nonstop3h 59m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Fri 8/21
1:51 pm-7:52 pm
1 stop8h 01m
Seattle/Tacoma Intl
Fri 8/21
10:58 pm-5:00 am
Nonstop4h 02m
DallasSeattle
DAL - SEA
DALSEA
Dallas Love Field
Mon 8/24
7:55 am-10:05 am
Nonstop4h 10m
Seattle/Tacoma Intl
Wed 9/2
6:25 am-3:45 pm
2 stops7h 20m
DallasSeattle
DAL - SEA
DALSEA
Dallas Love Field
Sat 9/5
5:10 pm-9:30 pm
1 stop6h 20m
Seattle/Tacoma Intl
Tue 9/15
8:30 am-6:40 pm
1 stop8h 10m
DallasSeattle
DAL - SEA
DALSEA
Dallas Love Field
Thu 8/20
8:05 pm-12:20 am
1 stop6h 15m
Seattle/Tacoma Intl
Mon 8/24
5:00 am-1:05 pm
1 stop6h 05m
DallasSeattle
DAL - SEA
DALSEA
Dallas Love Field
Sat 10/10
10:00 am-6:05 pm
2 stops10h 05m
Seattle/Tacoma Intl
Tue 10/13
11:25 am-7:55 pm
1 stop6h 30m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Thu 8/6
8:45 pm-11:05 pm
Nonstop4h 20m
Seattle/Tacoma Intl
Thu 8/13
5:56 pm-11:59 pm
Nonstop4h 03m
DallasSeattle
DAL - SEA
DALSEA
Dallas Love Field
Thu 8/27
3:15 pm-9:15 pm
2 stops8h 00m
Seattle/Tacoma Intl
Tue 9/1
6:25 am-3:45 pm
2 stops7h 20m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Tue 7/21
6:30 am-8:46 am
Nonstop4h 16m
Seattle/Tacoma Intl
Tue 7/28
5:30 am-1:30 pm
1 stop6h 00m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Wed 7/22
6:30 am-8:46 am
Nonstop4h 16m
Seattle/Tacoma Intl
Tue 7/28
6:00 am-7:05 pm
1 stop11h 05m
Currently, February is the cheapest month in which you can book a flight from Dallas to Seattle (average of $53). Flying from Dallas to Seattle in March is currently the most expensive (average of $657). 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.
It’s optimal to fly from Dallas to Seattle in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.
The most flights from A78 to SEA are scheduled on a Sunday (53 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).
About 21% of weekly flights between Dallas and Seattle have experienced delays in the past year, with the average delay time being 158 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Thursday 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, Delta have had the lowest number of delays on this route, with just 14% of flights being delayed.
Booking 41 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Travelers seeking maximum savings on their Dallas to Seattle flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Jun 2026
RDU - SEA
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Jun 2026
RDU - SEA
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Jun 2026
RDU - SEA
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Jun 2026
RDU - SEA
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Jun 2026
RDU - SEA
Boarding
Entertainment
Crew
Food
Overall
Comfort
Reviews
Anonymous,Jun 2026
RDU - SEA
The airport in Seattle that you’ll get off your flight at is Seattle – Tacoma International Airport. Some people call it Sea-Tac Airport. It’s the main airport that services flights to the Seattle metro region in Washington state. The airport is 14 miles away from the Seattle downtown area, in a city called SeaTac. This airport is the biggest one operating in the Pacific Northwest. It’s a hub for Alaskan Airlines and is also a connector for many flights going to Asia.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$275 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$98 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$149 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$162 | Average$306 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$180 | Average$396 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$187 | Average$472 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$198 | Average$386 | FlexibilityNo cancel fee | On-time75% |