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Cheap flights Ontario to Seattle (Tacoma)

1 passenger, economy

Cheap flights Ontario to Seattle

Compare prices, duration and stops

Frontier Airlines
F9 2275 🔥 Hot deal
23:44
Ontario (ONT)
Tue, 8 sep
2h 49min
Direct
02:33
Seattle, Tacoma (SEA)
Wed, 9 sep +1
12 050 ₹
Frontier Airlines
F9 2275 🔥 Hot deal
00:44
Ontario (ONT)
Thu, 10 sep
2h 56min
Direct
03:40
Seattle, Tacoma (SEA)
Thu, 10 sep
4 651 ₹
Frontier Airlines
F9 2275 🔥 Hot deal
00:44
Ontario (ONT)
Fri, 11 sep
2h 56min
Direct
03:40
Seattle, Tacoma (SEA)
Fri, 11 sep
4 648 ₹
Frontier Airlines
F9 2275 🔥 Hot deal
00:34
Ontario (ONT)
Sun, 20 sep
2h 56min
Direct
03:30
Seattle, Tacoma (SEA)
Sun, 20 sep
5 993 ₹
Frontier Airlines
F9 2275 🔥 Hot deal Best price
00:44
Ontario (ONT)
Sat, 26 sep
2h 56min
Direct
03:40
Seattle, Tacoma (SEA)
Sat, 26 sep
4 089 ₹
Frontier Airlines
F9 2275 🔥 Hot deal
00:44
Ontario (ONT)
Mon, 5 oct
2h 56min
Direct
03:40
Seattle, Tacoma (SEA)
Mon, 5 oct
4 928 ₹
Frontier Airlines
F9 2275
00:44
Ontario (ONT)
Thu, 8 oct
2h 56min
Direct
03:40
Seattle, Tacoma (SEA)
Thu, 8 oct
5 316 ₹
Frontier Airlines
F9 2275
01:06
Ontario (ONT)
Fri, 20 nov
3h 2min
Direct
04:08
Seattle, Tacoma (SEA)
Fri, 20 nov
10 077 ₹

Low price calendar

September 2026
Price chart (September 2026)
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Cheap flights Ontario to Seattle

Frontier Airlines
Frontier Airlines
Mon, Tue, Thu, Fri, Sat, Sun
Price from
₹4 089

Popular destinations from Ontario

All →
ONT
Ontario — San Francisco
United States → United States
SFO
from
₹1 781
ONT
Ontario — Las Vegas
United States → United States
LAS
from
₹1 783
ONT
Ontario — Denver
United States → United States
DEN
from
₹2 954
ONT
Ontario — Oakland
United States → United States
OAK
from
₹3 218
ONT
Ontario — Houston
United States → United States
HOU
from
₹3 518
ONT
Ontario — San Jose
United States → United States
SJC
from
₹3 793
ONT
Ontario — Dallas
United States → United States
DFW
from
₹5 040
ONT
Ontario — Sacramento
United States → United States
SAC
from
₹6 335

Popular destinations to Seattle

All →
LAX
Los Angeles — Seattle
United States → United States
SEA
from
₹2 102
LAS
Las Vegas — Seattle
United States → United States
SEA
from
₹2 944
DEN
Denver — Seattle
United States → United States
SEA
from
₹3 132
SFO
San Francisco — Seattle
United States → United States
SEA
from
₹4 209
SAC
Sacramento — Seattle
United States → United States
SEA
from
₹5 511
SAN
San Diego — Seattle
United States → United States
SEA
from
₹5 969
SJC
San Jose — Seattle
United States → United States
SEA
from
₹6 704
SLC
Salt Lake City — Seattle
United States → United States
SEA
from
₹6 874

Cheap flights Ontario to Seattle

Interesting facts about the route

Flight time

2h 56min

Distance

1 539 km

Average price

₹5 123

Most frequent flight

F9 2275

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

₹850

Buy

change

2 GB

data

15

days

₹1181

Buy

change

5 GB

data

30

days

₹1323

Buy

change

3 GB

data

30

days

₹1512

Buy

change

5 GB

data

30

days

₹2126

Buy

Frequently Asked Questions

The average ticket price Ontario Seattle is ₹5 123. Check flight options below for current prices.
The average flight time is 2 hours 56 minutes.
Flights on the Ontario - Seattle route are operated by the following airlines: Frontier Airlines.
The distance from Ontario to Seattle is 1539 km.