Alaska Airlines Flight UA857 Deals & Information (2025/2026)

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Alaska Airlines Flight 857 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $215 and $99 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 30 - Sat, Jun 7
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$215 Roundtrip, found 7 hours ago
$215
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Washington Dulles Intl. to Los Angeles Intl., returning Sat, Jun 7, priced at $215 found 7 hours ago
Fri, Jul 4 - Tue, Jul 8
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$215 Roundtrip, found 13 hours ago
$215
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Fri, Jul 4 from Washington Dulles Intl. to Los Angeles Intl., returning Tue, Jul 8, priced at $215 found 13 hours ago
Fri, May 30 - Fri, Jun 6
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$224 Roundtrip, found 7 hours ago
$224
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Washington Dulles Intl. to Los Angeles Intl., returning Fri, Jun 6, priced at $224 found 7 hours ago
Fri, Jul 4 - Tue, Jul 8
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$225 Roundtrip, found 13 hours ago
$225
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Fri, Jul 4 from Washington Dulles Intl. to Los Angeles Intl., returning Tue, Jul 8, priced at $225 found 13 hours ago
Fri, May 30 - Fri, Jun 6
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$227 Roundtrip, found 7 hours ago
$227
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Washington Dulles Intl. to Los Angeles Intl., returning Fri, Jun 6, priced at $227 found 7 hours ago
Thu, Jul 24 - Tue, Jul 29
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jul 24 from Washington Dulles Intl. to Los Angeles Intl., returning Tue, Jul 29, priced at $227 just found
Tue, Jul 15 - Wed, Jul 23
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$231 Roundtrip, found 6 hours ago
$231
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Tue, Jul 15 from Washington Dulles Intl. to Los Angeles Intl., returning Wed, Jul 23, priced at $231 found 6 hours ago
Fri, May 30 - Sat, Jun 7
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$232 Roundtrip, found 7 hours ago
$232
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Washington Dulles Intl. to Los Angeles Intl., returning Sat, Jun 7, priced at $232 found 7 hours ago
Thu, Jul 24 - Tue, Jul 29
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Jul 24 from Washington Dulles Intl. to Los Angeles Intl., returning Tue, Jul 29, priced at $237 just found
Thu, Sep 4 - Fri, Sep 12
IAD
Washington Dulles Intl.
LAX
Los Angeles Intl.
$237 Roundtrip, found 22 hours ago
$237
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Thu, Sep 4 from Washington Dulles Intl. to Los Angeles Intl., returning Fri, Sep 12, priced at $237 found 22 hours ago