Find and compare Frontier flights to Seattle

1 adult
0 bags

Recent Frontier flights to Seattle found by users

Cheap Frontier Flight Deals to Seattle

Enter your travel dates to find the best prices.
Frontier Logo
9:36 pm - 12:42 amLAX-SEA
3h 06mnonstop
Frontier Logo
5:38 pm - 8:24 pmSEA-LAX
2h 46mnonstop
$115Frontier
Find Deal
Fri, Dec 19 - Fri, Jan 9
Frontier Logo
10:24 am - 1:30 pmLAX-SEA
3h 06mnonstop
Frontier Logo
2:25 pm - 5:10 pmSEA-LAX
2h 45mnonstop
$116Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
10:24 am - 1:30 pmLAX-SEA
3h 06mnonstop
Frontier Logo
2:25 pm - 5:10 pmSEA-LAX
2h 45mnonstop
$117Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
6:23 pm - 5:44 pmLAX-SEA
23h 21m1 stop
Frontier Logo
2:25 pm - 5:10 pmSEA-LAX
2h 45mnonstop
$118Frontier
Find Deal
Thu, Nov 27 - Thu, Dec 11
Frontier Logo
10:24 am - 1:30 pmLAX-SEA
3h 06mnonstop
Frontier Logo
2:25 pm - 5:10 pmSEA-LAX
2h 45mnonstop
$119Frontier
Find Deal
Sat, Dec 13 - Mon, Dec 15
Frontier Logo
10:24 am - 1:30 pmLAX-SEA
3h 06mnonstop
Frontier Logo
2:25 pm - 5:10 pmSEA-LAX
2h 45mnonstop
$120Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
9:36 pm - 12:42 amLAX-SEA
3h 06mnonstop
Frontier Logo
6:00 am - 8:46 amSEA-LAX
2h 46mnonstop
$121Frontier
Find Deal
Thu, Dec 25 - Tue, Dec 30
Frontier Logo
10:24 am - 1:30 pmLAX-SEA
3h 06mnonstop
Frontier Logo
2:25 pm - 5:10 pmSEA-LAX
2h 45mnonstop
$122Frontier
Find Deal
Thu, Dec 11 - Mon, Dec 15
Frontier Logo
9:36 pm - 12:42 amLAX-SEA
3h 06mnonstop
Frontier Logo
6:00 am - 8:46 amSEA-LAX
2h 46mnonstop
$123Frontier
Find Deal
Fri, Dec 26 - Thu, Jan 1
Frontier Logo
3:30 pm - 10:06 amLAX-SEA
18h 36m1 stop
Frontier Logo
6:18 pm - 8:05 pmSEA-LAX
25h 47m1 stop
$124Frontier
Find Deal
Wed, Dec 3 - Sun, Dec 7

Frontier flights to Seattle at a glance

Fastest flight time

2h 53m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from United States to Seattle takes 2h 53m
Direct flights go from United States to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Insights on Frontier flights to Seattle

Data designed to help you find the right flight

What is the cheapest day to depart on your Economy Class flight to Seattle?

The cheapest day to depart from United States to Seattle is on a Thursday when prices can be found for as low as $91. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average Economy Class ticket price to Seattle on a Tuesday is $162.

What is the cheapest month to fly Economy Class to Seattle?

In general, August is the cheapest month to fly Economy Class from United States to Seattle. Due to it being the ‘off-season’ during this time, you can expect Economy Class flight prices to be around $143. If you aren’t able to travel during the month of August, then book Economy Class flights to Seattle from United States during February instead. Economy Class flights to Seattle in February, while not as cheap as those in August, still average around $153.

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

You are more likely to see cheaper flights to Seattle from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $147 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from United States for as low as $128 on momondo.

Frequently asked questions about flights to Seattle with Frontier

Is Frontier generally cheaper than other airlines for flights to Seattle?

Lots of factors influence the price of a flight, whether that's with Frontier or other airlines so it is best to search and compare before booking. The airline flying to Seattle with the cheapest average return price tends to be Alaska Airlines.

Which other airlines fly to Seattle?

Aside from Frontier, Delta, Alaska Airlines and Southwest also fly to Seattle.

Browse thousands of different options on momondo for your next trip

Toggle through the tabs below to find thousands of options on momondo for your next trip.