Direct (non-stop) flights from Seattle to Ontario

SEA Seattle Tacoma International

Seattle , WA , USA

ONT Ontario International Airport

Ontario , CA , USA

CHANGE DIRECTION

Flight time

3h 03m

Flight distance

962mi, 1548km

Flights from Seattle to Ontario route map

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USA

SEA

Seattle , WA

USA

ONT

Ontario , CA

Distance

962 miles · (1548 km)

CHANGE DIRECTION

Flight time

3 hours and 03 minutes

Airlines with direct flights from Seattle (SEA) to Ontario (ONT)

Alaska Airlines

Oneworld

S

M

T

W

T

F

S

Business available

4–5 daily flights
Frontier Airlines

S

M

T

W

T

F

S

Low-cost airline

1 daily flight
Delta Air Lines

Sky Team

S

M

T

W

T

F

S

First class available

2–3 daily flights

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SEA ONT

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MONTHLY

WEEKLY

Seattle (SEA) to Ontario (ONT) flight schedule

The monthly calendar shows every direct flight departure from Seattle Tacoma International (SEA) with all airlines. Click on a date to see a list of flights or search for the best prices.

Alaska Airlines

Delta

Frontier

View return flights from ONT to SEA

Alaska Airlines flight schedule from Seattle to Ontario

All weekly departures with Alaska Airlines. The week calendar shows every flight departure from Seattle (SEA) to Ontario (ONT). Click on a blue date to see a list of flights.

Week 28 (Jul 6 - Jul 12)

Week 26 (Jun 22 - Jun 28)
Week 27 (Jun 29 - Jul 5)
Week 28 (Jul 6 - Jul 12)
Week 29 (Jul 13 - Jul 19)
Week 30 (Jul 20 - Jul 26)
Week 31 (Jul 27 - Aug 2)
Week 32 (Aug 3 - Aug 9)
Week 33 (Aug 10 - Aug 16)
Week 34 (Aug 17 - Aug 23)
Week 35 (Aug 24 - Aug 30)
Week 36 (Aug 31 - Sep 6)
Week 37 (Sep 7 - Sep 13)
Week 38 (Sep 14 - Sep 20)
Week 39 (Sep 21 - Sep 27)
Week 40 (Sep 28 - Oct 4)
Week 41 (Oct 5 - Oct 11)
Week 42 (Oct 12 - Oct 18)
Week 43 (Oct 19 - Oct 25)
Week 44 (Oct 26 - Nov 1)
Week 45 (Nov 2 - Nov 8)
Week 46 (Nov 9 - Nov 15)
Week 47 (Nov 16 - Nov 22)
Week 48 (Nov 23 - Nov 29)
Week 49 (Nov 30 - Dec 6)
Week 50 (Dec 7 - Dec 13)
Week 51 (Dec 14 - Dec 20)
Week 52 (Dec 21 - Dec 27)
Week 53 (Dec 28 - Jan 3)
Week 1 (Jan 4 - Jan 10)
Week 2 (Jan 11 - Jan 17)
Week 3 (Jan 18 - Jan 24)
Week 4 (Jan 25 - Jan 31)
Week 5 (Feb 1 - Feb 7)
Week 6 (Feb 8 - Feb 14)
Week 7 (Feb 15 - Feb 21)
Week 8 (Feb 22 - Feb 28)
Week 9 (Mar 1 - Mar 7)
Week 10 (Mar 8 - Mar 14)
Week 11 (Mar 15 - Mar 21)
Week 12 (Mar 22 - Mar 28)
Week 13 (Mar 29 - Apr 4)
Week 14 (Apr 5 - Apr 11)
Week 15 (Apr 12 - Apr 18)
Week 16 (Apr 19 - Apr 25)
Week 17 (Apr 26 - May 2)
Week 18 (May 3 - May 9)
Week 19 (May 10 - May 16)
Week 20 (May 17 - May 23)
Week 21 (May 24 - May 30)
Week 22 (May 31 - Jun 6)
Week 23 (Jun 7 - Jun 13)
Week 24 (Jun 14 - Jun 20)
Week 25 (Jun 21 - Jun 27)

Flight

Mon

Jul 6

Tue

Jul 7

Wed

Jul 8

Thu

Jul 9

Fri

Jul 10

Sat

Jul 11

Sun

Jul 12

AS1364

08:33

08:30

AS565

10:25

AS571

13:50

14:17

13:50

----

13:50

AS592

17:51

----

17:55

17:51

AS489

20:33

Frontier Airlines flight schedule from Seattle to Ontario

All weekly departures with Frontier Airlines. The week calendar shows every flight departure from Seattle (SEA) to Ontario (ONT). Click on a blue date to see a list of flights.

Week 28 (Jul 6 - Jul 12)

Week 26 (Jun 22 - Jun 28)
Week 27 (Jun 29 - Jul 5)
Week 28 (Jul 6 - Jul 12)
Week 29 (Jul 13 - Jul 19)
Week 30 (Jul 20 - Jul 26)
Week 31 (Jul 27 - Aug 2)
Week 32 (Aug 3 - Aug 9)
Week 33 (Aug 10 - Aug 16)
Week 34 (Aug 17 - Aug 23)
Week 35 (Aug 24 - Aug 30)
Week 36 (Aug 31 - Sep 6)
Week 37 (Sep 7 - Sep 13)
Week 38 (Sep 14 - Sep 20)
Week 39 (Sep 21 - Sep 27)
Week 40 (Sep 28 - Oct 4)
Week 41 (Oct 5 - Oct 11)
Week 42 (Oct 12 - Oct 18)
Week 43 (Oct 19 - Oct 25)
Week 44 (Oct 26 - Nov 1)
Week 45 (Nov 2 - Nov 8)
Week 46 (Nov 9 - Nov 15)
Week 47 (Nov 16 - Nov 22)
Week 48 (Nov 23 - Nov 29)
Week 49 (Nov 30 - Dec 6)
Week 50 (Dec 7 - Dec 13)
Week 51 (Dec 14 - Dec 20)
Week 52 (Dec 21 - Dec 27)
Week 53 (Dec 28 - Jan 3)
Week 1 (Jan 4 - Jan 10)
Week 2 (Jan 11 - Jan 17)
Week 3 (Jan 18 - Jan 24)
Week 4 (Jan 25 - Jan 31)
Week 5 (Feb 1 - Feb 7)
Week 6 (Feb 8 - Feb 14)
Week 7 (Feb 15 - Feb 21)
Week 8 (Feb 22 - Feb 28)
Week 9 (Mar 1 - Mar 7)
Week 10 (Mar 8 - Mar 14)
Week 11 (Mar 15 - Mar 21)
Week 12 (Mar 22 - Mar 28)
Week 13 (Mar 29 - Apr 4)
Week 14 (Apr 5 - Apr 11)
Week 15 (Apr 12 - Apr 18)
Week 16 (Apr 19 - Apr 25)
Week 17 (Apr 26 - May 2)
Week 18 (May 3 - May 9)
Week 19 (May 10 - May 16)
Week 20 (May 17 - May 23)
Week 21 (May 24 - May 30)
Week 22 (May 31 - Jun 6)
Week 23 (Jun 7 - Jun 13)
Week 24 (Jun 14 - Jun 20)
Week 25 (Jun 21 - Jun 27)

Flight

Mon

Jul 6

Tue

Jul 7

Wed

Jul 8

Thu

Jul 9

Fri

Jul 10

Sat

Jul 11

Sun

Jul 12

F92276

11:54

Delta Air Lines flight schedule from Seattle to Ontario

All weekly departures with Delta Air Lines. The week calendar shows every flight departure from Seattle (SEA) to Ontario (ONT). Click on a blue date to see a list of flights.

Week 28 (Jul 6 - Jul 12)

Week 26 (Jun 22 - Jun 28)
Week 27 (Jun 29 - Jul 5)
Week 28 (Jul 6 - Jul 12)
Week 29 (Jul 13 - Jul 19)
Week 30 (Jul 20 - Jul 26)
Week 31 (Jul 27 - Aug 2)
Week 32 (Aug 3 - Aug 9)
Week 33 (Aug 10 - Aug 16)
Week 34 (Aug 17 - Aug 23)
Week 35 (Aug 24 - Aug 30)
Week 36 (Aug 31 - Sep 6)
Week 37 (Sep 7 - Sep 13)
Week 38 (Sep 14 - Sep 20)
Week 39 (Sep 21 - Sep 27)
Week 40 (Sep 28 - Oct 4)
Week 41 (Oct 5 - Oct 11)
Week 42 (Oct 12 - Oct 18)
Week 43 (Oct 19 - Oct 25)
Week 44 (Oct 26 - Nov 1)
Week 45 (Nov 2 - Nov 8)
Week 46 (Nov 9 - Nov 15)
Week 47 (Nov 16 - Nov 22)
Week 48 (Nov 23 - Nov 29)
Week 49 (Nov 30 - Dec 6)
Week 50 (Dec 7 - Dec 13)
Week 51 (Dec 14 - Dec 20)
Week 52 (Dec 21 - Dec 27)
Week 53 (Dec 28 - Jan 3)
Week 1 (Jan 4 - Jan 10)
Week 2 (Jan 11 - Jan 17)
Week 3 (Jan 18 - Jan 24)
Week 4 (Jan 25 - Jan 31)
Week 5 (Feb 1 - Feb 7)
Week 6 (Feb 8 - Feb 14)
Week 7 (Feb 15 - Feb 21)
Week 8 (Feb 22 - Feb 28)
Week 9 (Mar 1 - Mar 7)
Week 10 (Mar 8 - Mar 14)
Week 11 (Mar 15 - Mar 21)
Week 12 (Mar 22 - Mar 28)
Week 13 (Mar 29 - Apr 4)
Week 14 (Apr 5 - Apr 11)
Week 15 (Apr 12 - Apr 18)
Week 16 (Apr 19 - Apr 25)
Week 17 (Apr 26 - May 2)
Week 18 (May 3 - May 9)
Week 19 (May 10 - May 16)
Week 20 (May 17 - May 23)
Week 21 (May 24 - May 30)
Week 22 (May 31 - Jun 6)
Week 23 (Jun 7 - Jun 13)
Week 24 (Jun 14 - Jun 20)
Week 25 (Jun 21 - Jun 27)

Flight

Mon

Jul 6

Tue

Jul 7

Wed

Jul 8

Thu

Jul 9

Fri

Jul 10

Sat

Jul 11

Sun

Jul 12

DL4070

08:25

----

08:25

DL4031

14:35

14:30

DL3884

19:50

19:59

Flight time

2h 35m - 3h 03m

Earliest flight

08:25

Last flight

20:33

Distance

962 miles (1548 km)

Cheapest month

May

Airlines

3 (Show)

Flights per week

Arriving Terminal (ONT)

Terminal 2

Timezone

America/Los_Angeles (UTC-7)

Arriving at Ontario Airport (ONT) , California

Ontario International Airport (ONT) is a bigger airport in USA. You can fly to 30 destinations with 11 airlines in scheduled passenger traffic.

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Departing from Seattle Tacoma (SEA) , Washington

Seattle Tacoma International (SEA) is a large airport in USA. You can fly to 139 destinations with 35 airlines in scheduled passenger traffic.

Show all flights from SEA

Seattle - Ontario flight price statistics

$200

Approximate

The numbers are avarage prices found based on user searches for direct flights between Seattle Tacoma International and Ontario International Airport. Its calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.

$196
Jan

$433
Feb

$214
Mar

$158
Apr

$157
May

$418
Jun

$348
Jul

$258
Aug

$198
Sep

$218
Oct

$214
Nov

$238
Dec

Approximate prices for one round-trip flight from Seattle (SEA) to Ontario (ONT). Graph is not to scale.

CLICK HERE FOR EXACT PRICES

Type of aircraft(s) on this route

Below is a list of aircraft types we have within our database with flights on this route. You can also see the aircrafts seat capacity together with classes.

Boeing 737MAX 8 Passenger

Alaska Airlines

160 seats

(15 first class)

Boeing 737-800 (winglets) Passenger/BBJ2

Alaska Airlines

160 seats

Boeing 737-900 (winglets) Passenger/BBJ3

Alaska Airlines

165 seats

(15 first class)

Boeing 737MAX 9 Passenger

Alaska Airlines

178 seats

(16 first class)

Boeing 737-700 Passenger

Alaska Airlines

124 seats

(12 first class)

Airbus A321neo

Frontier Airlines

240 seats

(All economy)

Embraer 175 (Enhanced Winglets)

Delta Air Lines

73 seats

(12 first class)

ROUTE EXPLORING

Seattle Tacoma International - all destinations

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Frequently asked questions FAQ

How long does a flight from Seattle (SEA) to Ontario (ONT) take?

The flight between Seattle (SEA) and Ontario (ONT) typically takes about 2 hour and 46 minute.
How many flights per day are there on this route?

There are 6 direct flights every day.
What are the flight numbers on the route Seattle to Ontario?

The flight numbers are AS378, AS489, AS491, AS565, AS571, AS575, AS592, AS594 together with 12 additional flights.
What aircraft types are flying on this route?

Alaska Airlines, Frontier, and Delta all flyes the Embraer 19X/17X on this route.
How many airlines fly non-stop from Seattle (SEA) to Ontario (ONT)?

Three airlines. Alaska Airlines, Frontier and Delta have non-stop flights to Ontario.
What terminals are the aircraft arriving at in Ontario?

They arrive at terminal 2.

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MAP EXPLORER Flights from Seattle to Ontario route map

Non-stop flights from SEA to ONT

962 miles (1548 km) · 3 hours and 03 minutes

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Popular routes from Seattle

Alaska Airlines routes

Seattle (SEA) - Anchorage (ANC)

Seattle (SEA) - Portland (PDX)

Seattle (SEA) - Spokane (GEG)

Seattle (SEA) - Los Angeles (LAX)

Seattle (SEA) - Phoenix (PHX)

For more destinations from Seattle with Alaska Airlines (AS), check out the Alaska Airlines route map .

Frontier Airlines routes

Seattle (SEA) - Denver (DEN)

Seattle (SEA) - Las Vegas (LAS)

Seattle (SEA) - Los Angeles (LAX)

For more destinations from Seattle with Frontier Airlines (F9), check out the Frontier Airlines route map .

Delta Air Lines routes

Seattle (SEA) - Spokane (GEG)

Seattle (SEA) - Portland (PDX)

Seattle (SEA) - Boise (BOI)

Seattle (SEA) - Atlanta (ATL)

Seattle (SEA) - Salt Lake City (SLC)

For more destinations from Seattle with Delta Air Lines (DL), check out the Delta Air Lines route map .

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Airlines with direct flights from Seattle (SEA) to Ontario (ONT)

Seattle (SEA) to Ontario (ONT) flight schedule

Alaska Airlines flight schedule from Seattle to Ontario

Frontier Airlines flight schedule from Seattle to Ontario

Delta Air Lines flight schedule from Seattle to Ontario

Arriving at Ontario Airport (ONT) , California

Departing from Seattle Tacoma (SEA) , Washington