Popular airlines from Los Angeles to Dupont

Alaska Airlines
Alaska Airlines
Delta
Delta
United
United
American Airlines
American Airlines
Southwest Airlines
Southwest Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines

Plan, book, fly with confidence
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 30% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our OneKeyCash
Learn about One Key

Today's featured flight deals from Los Angeles to Dupont

Nonstop

Carry-on included

Lower price than typical

Ontario (ONT) to Seattle (SEA).
Departing on Wed, Jul 16 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Sun, Jul 20 at 6:15am from Seattle, arriving at 12:50pm in Ontario.
Frontier Airlines, nonstop.
50% less than typical

$345

Select Frontier Airlines flight departing on Wed, Jul 16 at 10:03am from Ontario, returning on Sun, Jul 20 at 6:15am from Seattle priced at $345
Ontario (ONT) to Seattle (SEA).
Departing on Thu, Jul 17 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Sun, Jul 20 at 5:45pm from Seattle, arriving at 10:25pm in Ontario.
Frontier Airlines, nonstop.
50% less than typical

$323

Select Frontier Airlines flight departing on Thu, Jul 17 at 10:03am from Ontario, returning on Sun, Jul 20 at 5:45pm from Seattle priced at $323
Ontario (ONT) to Seattle (SEA).
Departing on Wed, Jul 16 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Sun, Jul 20 at 5:45pm from Seattle, arriving at 10:25pm in Ontario.
Frontier Airlines, nonstop.
45% less than typical

$356

Select Frontier Airlines flight departing on Wed, Jul 16 at 10:03am from Ontario, returning on Sun, Jul 20 at 5:45pm from Seattle priced at $356

Ontario (ONT) to Seattle (SEA).
Departing on Sun, Aug 10 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Sun, Aug 17 at 8:05am from Seattle, arriving at 10:50am in Ontario.
Frontier Airlines, nonstop.
50% less than typical

$213

Select Frontier Airlines flight departing on Sun, Aug 10 at 10:03am from Ontario, returning on Sun, Aug 17 at 8:05am from Seattle priced at $213
Ontario (ONT) to Seattle (SEA).
Departing on Thu, Jul 17 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Wed, Jul 30 at 1:42pm from Seattle, arriving at 4:36pm in Ontario.
Frontier Airlines, nonstop.
45% less than typical

$229

Select Frontier Airlines flight departing on Thu, Jul 17 at 10:03am from Ontario, returning on Wed, Jul 30 at 1:42pm from Seattle priced at $229
Burbank (BUR) to Seattle (SEA).
Departing on Sat, Jul 26 at 4:14pm from Burbank, arriving at 6:54pm in Seattle.
Returning on Sun, Aug 3 at 6:30am from Seattle, arriving at 1:00pm in Burbank.
Alaska Airlines, nonstop.
30% less than typical

$334

Select Alaska Airlines flight departing on Sat, Jul 26 at 4:14pm from Burbank, returning on Sun, Aug 3 at 6:30am from Seattle priced at $334
Ontario (ONT) to Seattle (SEA).
Departing on Sat, Jul 19 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Wed, Jul 23 at 1:42pm from Seattle, arriving at 4:36pm in Ontario.
Frontier Airlines, nonstop.
40% less than typical

$228

Select Frontier Airlines flight departing on Sat, Jul 19 at 10:03am from Ontario, returning on Wed, Jul 23 at 1:42pm from Seattle priced at $228
Ontario (ONT) to Seattle (SEA).
Departing on Sat, Jul 19 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Tue, Jul 22 at 1:42pm from Seattle, arriving at 4:36pm in Ontario.
Frontier Airlines, nonstop.
40% less than typical

$228

Select Frontier Airlines flight departing on Sat, Jul 19 at 10:03am from Ontario, returning on Tue, Jul 22 at 1:42pm from Seattle priced at $228
Ontario (ONT) to Seattle (SEA).
Departing on Thu, Jul 24 at 10:03am from Ontario, arriving at 12:53pm in Seattle.
Returning on Mon, Jul 28 at 3:11pm from Seattle, arriving at 8:52pm in Ontario.
Frontier Airlines, nonstop.
40% less than typical

$251

Select Frontier Airlines flight departing on Thu, Jul 24 at 10:03am from Ontario, returning on Mon, Jul 28 at 3:11pm from Seattle priced at $251

Cheap Flights from Los Angeles to Dupont (QLA-SEA)

Prices were available within the past 7 days and start at $57 for one-way flights and $129 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

Sat, Aug 16 - Sat, Aug 23

LAX

Los Angeles

SEA

Seattle

$129

Roundtrip

just found

Thu, Sep 18 - Sat, Sep 27

LAX

Los Angeles

SEA

Seattle

$134

Roundtrip

just found

Thu, Nov 6 - Mon, Nov 10

BUR

Burbank

SEA

Seattle

$142

Roundtrip

found 1 day ago

Tue, Aug 5 - Tue, Aug 19

SNA

Orange County

SEA

Seattle

$146

Roundtrip

found 5 days ago

Wed, Nov 5 - Wed, Nov 12

BUR

Burbank

SEA

Seattle

$150

Roundtrip

found 23 hours ago

Tue, Sep 23 - Wed, Oct 1

ONT

Ontario

SEA

Seattle

$157

Roundtrip

just found

Find the cheapest month to fly from Los Angeles (QLA) to Seattle (SEA)

January is typically the cheapest month to fly

From $48 - $225 per traveler.

Alternative airports near Dupont

Prices were available within the past 7 days. Prices and availability are subject to change.

SEA

Seattle - Tacoma Intl.

Cheapest

47 min

Flights from $156

Explore a world of travel with Expedia

Things to do in University Place

*Available to One Key members.

Unlock instant savings with Member Prices

Flights to Dupont from Los Angeles - $57

Travelers

Popular airlines from Los Angeles to Dupont

Plan, book, fly with confidence

Be in the know

Book smarter

Earn twice

Today's featured flight deals from Los Angeles to Dupont

Cheap Flights from Los Angeles to Dupont (QLA-SEA)

Find the cheapest month to fly from Los Angeles (QLA) to Seattle (SEA)

January is typically the cheapest month to fly

Alternative airports near Dupont

Explore a world of travel with Expedia

Unlock instant savings with Member Prices

Flights to Dupont from Los Angeles - $57

Popular airlines from Los Angeles to Dupont

Plan, book, fly with confidence

Be in the know

Book smarter

Earn twice

Today's featured flight deals from Los Angeles to Dupont

Cheap Flights from Los Angeles to Dupont (QLA-SEA)

Find the cheapest month to fly from Los Angeles (QLA) to Seattle (SEA)

January is typically the cheapest month to flyJanuary is typically the cheapest month to fly

Graph displaying average flight prices per month

Alternative airports near Dupont

Explore a world of travel with Expedia

Explore a world of travel with Expedia

January is typically the cheapest month to fly