United Flight UA1873 Deals & Information (2025/2026)

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United Flight 1873 Route Deals From $119

The cheapest prices found with in the last 7 days for return flights were $247 and $119 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 14 - Wed, May 21
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 14 from San Diego Intl. to Washington Dulles Intl., returning Wed, May 21, priced at $247 found 5 days ago
Thu, Feb 13 - Tue, Feb 18
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 13 from San Diego Intl. to Washington Dulles Intl., returning Tue, Feb 18, priced at $262 found 5 days ago
Wed, May 14 - Wed, May 21
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$274 Roundtrip, found 5 days ago
$274
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 14 from San Diego Intl. to Washington Dulles Intl., returning Wed, May 21, priced at $274 found 5 days ago
Thu, Feb 13 - Tue, Feb 18
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$276 Roundtrip, found 5 days ago
$276
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 13 from San Diego Intl. to Washington Dulles Intl., returning Tue, Feb 18, priced at $276 found 5 days ago
Wed, May 14 - Wed, May 21
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$276 Roundtrip, found 5 days ago
$276
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 14 from San Diego Intl. to Washington Dulles Intl., returning Wed, May 21, priced at $276 found 5 days ago
Thu, Feb 13 - Tue, Feb 18
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select United flight, departing Thu, Feb 13 from San Diego Intl. to Washington Dulles Intl., returning Tue, Feb 18, priced at $277 found 5 days ago
Wed, May 14 - Wed, May 21
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 14 from San Diego Intl. to Washington Dulles Intl., returning Wed, May 21, priced at $281 found 5 days ago
Wed, May 14 - Wed, May 21
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$284 Roundtrip, found 5 days ago
$284
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 14 from San Diego Intl. to Washington Dulles Intl., returning Wed, May 21, priced at $284 found 5 days ago
Wed, May 21 - Sun, May 25
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$287 Roundtrip, found 1 day ago
$287
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 21 from San Diego Intl. to Washington Dulles Intl., returning Sun, May 25, priced at $287 found 1 day ago
Tue, Apr 22 - Thu, Apr 24
SAN
San Diego Intl.
IAD
Washington Dulles Intl.
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Tue, Apr 22 from San Diego Intl. to Washington Dulles Intl., returning Thu, Apr 24, priced at $289 found 3 days ago