Cheap Alaska Airlines flights to Ontario from $421

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$421 - Alaska Airlines Flights to Ontario

The cheapest flights to Ontario found within the past 7 days were $421, one way and $1,261 round trip. Prices and availability subject to change. Additional terms may apply.

Fri, Oct 24 - Mon, Oct 27
IAD
Washington Dulles Intl.
YXU
London Intl.
$1,261 Roundtrip, found 2 days ago
$1,261
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Oct 24 from Washington Dulles Intl. to London Intl., returning Mon, Oct 27, priced at $1,261 found 2 days ago
Fri, Oct 24 - Mon, Oct 27
IAD
Washington Dulles Intl.
YXU
London Intl.
$1,291 Roundtrip, found 2 days ago
$1,291
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Oct 24 from Washington Dulles Intl. to London Intl., returning Mon, Oct 27, priced at $1,291 found 2 days ago
Sat, Aug 9 - Sun, Aug 10
IAD
Washington Dulles Intl.
YXU
London Intl.
$1,409 Roundtrip, found 2 days ago
$1,409
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 9 from Washington Dulles Intl. to London Intl., returning Sun, Aug 10, priced at $1,409 found 2 days ago
Sat, Aug 9 - Sun, Aug 10
IAD
Washington Dulles Intl.
YXU
London Intl.
$1,502 Roundtrip, found 2 days ago
$1,502
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 9 from Washington Dulles Intl. to London Intl., returning Sun, Aug 10, priced at $1,502 found 2 days ago
Sat, Aug 9 - Sun, Aug 10
IAD
Washington Dulles Intl.
YXU
London Intl.
$1,529 Roundtrip, found 2 days ago
$1,529
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 9 from Washington Dulles Intl. to London Intl., returning Sun, Aug 10, priced at $1,529 found 2 days ago
Alaska Airlines Airports
Hop on a(n) Alaska Airlines flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
SEAUSASeattle - Tacoma Intl.115
ORDUSAO'Hare Intl.44
LAXUSALos Angeles Intl.24
PDXUSAPortland Intl.23
ANCUSATed Stevens Anchorage Intl.22
SFOUSASan Francisco Intl.21
SANUSASan Diego Intl.18
JNUUSAJuneau Intl.10
SJCUSANorman Y. Mineta San Jose Intl.10
GEGUSASpokane Intl.7

Alaska Airlines Flights Routes