United Flight 1849 Deals & Information (2025/2026)

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United Flight 1849 Route Deals From $159

The cheapest prices found with in the last 7 days for return flights were $277 and $159 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 24 - Tue, Sep 30
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$277 Roundtrip, found 4 days ago
$277
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 24 from San Francisco Intl. to Washington Dulles Intl., returning Tue, Sep 30, priced at $277 found 4 days ago
Fri, Oct 24 - Mon, Oct 27
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$294 Roundtrip, found 3 hours ago
$294
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Oct 24 from San Francisco Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $294 found 3 hours ago
Wed, Oct 1 - Tue, Oct 7
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$301 Roundtrip, found 3 days ago
$301
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 1 from San Francisco Intl. to Washington Dulles Intl., returning Tue, Oct 7, priced at $301 found 3 days ago
Sat, Sep 27 - Thu, Oct 2
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$303 Roundtrip, found 8 hours ago
$303
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Sep 27 from San Francisco Intl. to Washington Dulles Intl., returning Thu, Oct 2, priced at $303 found 8 hours ago