
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Frontier) |
One-way from | $82 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $407 |
Good round-trip deal | $178 or less |
Good one-way deal | $141 or less |
Fly from
Fly to
Route
Depart
Return
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Sat 5/30
11:52 am-2:55 pm
Nonstop3h 03m
Seattle/Tacoma Intl
Wed 6/3
11:00 am-4:17 pm
1 stop5h 17m
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Sat 6/13
12:45 pm-6:36 pm
1 stop6h 51m
Seattle/Tacoma Intl
Mon 6/22
7:56 pm-11:46 pm
Nonstop2h 50m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 5/30
7:00 am-9:59 am
Nonstop2h 59m
Seattle/Tacoma Intl
Mon 6/1
7:55 pm-10:42 pm
Nonstop2h 47m
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 5/29
3:20 pm-11:05 pm
2 stops8h 45m
Seattle/Tacoma Intl
Sat 6/6
5:00 am-8:35 am
Nonstop2h 35m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Tue 6/2
4:25 pm-7:18 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Thu 6/4
10:29 am-3:35 pm
1 stop5h 06m
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Tue 5/26
6:00 am-8:00 am
Nonstop3h 00m
Seattle/Tacoma Intl
Sun 5/31
5:07 am-8:50 am
Nonstop2h 43m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 8/6
6:00 am-8:11 am
Nonstop2h 11m
Seattle/Tacoma Intl
Tue 8/11
5:51 pm-8:19 pm
Nonstop2h 28m
OntarioSeattle
ONT - SEA
ONTSEA
Ontario
Wed 6/3
9:50 am-4:42 pm
1 stop6h 52m
Seattle/Tacoma Intl
Mon 6/8
7:15 am-12:10 pm
1 stop4h 55m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 6/3
2:08 pm-6:58 pm
1 stop4h 50m
Seattle/Tacoma Intl
Sat 6/6
3:50 pm-8:10 pm
1 stop4h 20m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 6/6
2:08 pm-6:54 pm
1 stop4h 46m
Seattle/Tacoma Intl
Mon 6/8
7:05 am-1:08 pm
1 stop6h 03m
Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from USA to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from USA to Seattle (average of $278). Flying from USA to Seattle in June is currently the most expensive (average of $379). 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 typically best to fly out from USA to Seattle in the evening. Doing so could potentially save you 7% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their USA to Seattle flight should consider departing on Saturday at noon 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 US0 to SEA are scheduled on a Saturday (92 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (50 on average).
About 15% of weekly flights between United States and Seattle have experienced delays in the past year, with the average delay time being 148 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night 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, Delta have had the lowest number of delays on this route, with just 10% of flights being delayed.
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
Food
Crew
Entertainment
Comfort
Overall
Boarding
Reviews
Eugene,Mar 2026
MFR - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$62 | Average$184 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$71 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$79 | Average$303 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$324 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$107 | Average$349 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$356 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$128 | Average$331 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$348 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$174 | Average$383 | FlexibilityNo cancel fee | On-time71% |