United Flight UA1849 Deals & Information (2025/2026)

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United Flight 1849 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $259 and $149 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 10 - Sat, Sep 20
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$259 Roundtrip, found 16 hours ago
$259
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Sep 10 from San Francisco Intl. to Washington Dulles Intl., returning Sat, Sep 20, priced at $259 found 16 hours ago
Wed, Oct 8 - Sat, Oct 18
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 8 from San Francisco Intl. to Washington Dulles Intl., returning Sat, Oct 18, priced at $277 found 5 days ago
Tue, Aug 12 - Wed, Aug 13
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from San Francisco Intl. to Washington Dulles Intl., returning Wed, Aug 13, priced at $289 found 1 day ago
Sat, Sep 6 - Tue, Sep 16
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$296 Roundtrip, found 18 hours ago
$296
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Sep 6 from San Francisco Intl. to Washington Dulles Intl., returning Tue, Sep 16, priced at $296 found 18 hours ago
Thu, Aug 21 - Sat, Aug 23
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$298 Roundtrip, found 4 days ago
$298
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 21 from San Francisco Intl. to Washington Dulles Intl., returning Sat, Aug 23, priced at $298 found 4 days ago
Wed, Oct 15 - Sun, Oct 19
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$299 Roundtrip, found 20 hours ago
$299
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 15 from San Francisco Intl. to Washington Dulles Intl., returning Sun, Oct 19, priced at $299 found 20 hours ago
Tue, Sep 23 - Sat, Sep 27
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 23 from San Francisco Intl. to Washington Dulles Intl., returning Sat, Sep 27, priced at $304 found 6 days ago
Tue, Oct 14 - Wed, Oct 15
SFO
San Francisco Intl.
IAD
Washington Dulles Intl.
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 14 from San Francisco Intl. to Washington Dulles Intl., returning Wed, Oct 15, priced at $312 found 4 days ago