United Flight 525 Deals & Information (2025/2026)

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United Flight 525 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $181 and $89 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jan 6 - Wed, Jan 7
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$181 Roundtrip, found 11 hours ago
$181
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 6 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Wed, Jan 7, priced at $181 found 11 hours ago
Tue, Jan 6 - Wed, Jan 7
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$186 Roundtrip, found 11 hours ago
$186
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 6 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Wed, Jan 7, priced at $186 found 11 hours ago
Sun, Jan 11 - Sat, Jan 17
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$211 Roundtrip, found 22 hours ago
$211
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Jan 11 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Sat, Jan 17, priced at $211 found 22 hours ago
Tue, Jan 6 - Wed, Jan 7
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$212 Roundtrip, found 11 hours ago
$212
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 6 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Wed, Jan 7, priced at $212 found 11 hours ago
Tue, Jan 6 - Wed, Jan 7
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$216 Roundtrip, found 11 hours ago
$216
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 6 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Wed, Jan 7, priced at $216 found 11 hours ago
Sun, Jan 11 - Sun, Jan 18
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$219 Roundtrip, found 22 hours ago
$219
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Jan 11 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Sun, Jan 18, priced at $219 found 22 hours ago
Fri, Jan 16 - Mon, Jan 19
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$221 Roundtrip, found 10 hours ago
$221
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Jan 16 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Mon, Jan 19, priced at $221 found 10 hours ago
Fri, Feb 13 - Sun, Feb 15
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$232 Roundtrip, found 3 days ago
$232
Roundtrip
found 3 days ago
Select United flight, departing Fri, Feb 13 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Sun, Feb 15, priced at $232 found 3 days ago
Fri, Jan 16 - Mon, Jan 19
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$233 Roundtrip, found 10 hours ago
$233
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Jan 16 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Mon, Jan 19, priced at $233 found 10 hours ago
Tue, Jan 6 - Wed, Jan 7
AUS
Austin-Bergstrom Intl.
IAD
Washington Dulles Intl.
$237 Roundtrip, found 11 hours ago
$237
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 6 from Austin-Bergstrom Intl. to Washington Dulles Intl., returning Wed, Jan 7, priced at $237 found 11 hours ago