United Flight 1101 Deals & Information (2025/2026)

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United Flight 1101 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $199 and $99 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 13 - Wed, May 14
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$199 Roundtrip, found 8 hours ago
$199
Roundtrip
found 8 hours ago
Select United flight, departing Tue, May 13 from Denver Intl. to Washington Dulles Intl., returning Wed, May 14, priced at $199 found 8 hours ago
Tue, May 20 - Wed, May 28
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$209 Roundtrip, found 2 days ago
$209
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 20 from Denver Intl. to Washington Dulles Intl., returning Wed, May 28, priced at $209 found 2 days ago
Tue, May 13 - Wed, May 14
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$219 Roundtrip, found 8 hours ago
$219
Roundtrip
found 8 hours ago
Select United flight, departing Tue, May 13 from Denver Intl. to Washington Dulles Intl., returning Wed, May 14, priced at $219 found 8 hours ago
Tue, May 20 - Sun, May 25
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 20 from Denver Intl. to Washington Dulles Intl., returning Sun, May 25, priced at $229 found 1 day ago
Tue, May 20 - Sun, May 25
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select United flight, departing Tue, May 20 from Denver Intl. to Washington Dulles Intl., returning Sun, May 25, priced at $235 found 1 day ago
Wed, May 7 - Mon, May 12
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$239 Roundtrip, found 10 hours ago
$239
Roundtrip
found 10 hours ago
Select United flight, departing Wed, May 7 from Denver Intl. to Washington Dulles Intl., returning Mon, May 12, priced at $239 found 10 hours ago
Tue, May 13 - Wed, May 14
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$243 Roundtrip, found 8 hours ago
$243
Roundtrip
found 8 hours ago
Select United flight, departing Tue, May 13 from Denver Intl. to Washington Dulles Intl., returning Wed, May 14, priced at $243 found 8 hours ago
Tue, May 13 - Wed, May 14
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$245 Roundtrip, found 8 hours ago
$245
Roundtrip
found 8 hours ago
Select United flight, departing Tue, May 13 from Denver Intl. to Washington Dulles Intl., returning Wed, May 14, priced at $245 found 8 hours ago
Tue, Jun 10 - Tue, Jun 17
DEN
Denver Intl.
IAD
Washington Dulles Intl.
$253 Roundtrip, found 12 hours ago
$253
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Jun 10 from Denver Intl. to Washington Dulles Intl., returning Tue, Jun 17, priced at $253 found 12 hours ago