United Flight UA1734 Deals & Information (2025/2026)

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United Flight 1734 Route Deals From $81

The cheapest prices found with in the last 7 days for return flights were $152 and $81 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 17 - Sat, Jun 21
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$152 Roundtrip, found 4 days ago
$152
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 17 from Logan Intl. to Washington Dulles Intl., returning Sat, Jun 21, priced at $152 found 4 days ago
Thu, Jun 12 - Wed, Jun 18
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$155 Roundtrip, found 6 days ago
$155
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jun 12 from Logan Intl. to Washington Dulles Intl., returning Wed, Jun 18, priced at $155 found 6 days ago
Sat, Nov 1 - Thu, Nov 13
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Logan Intl. to Washington Dulles Intl., returning Thu, Nov 13, priced at $157 found 1 day ago
Tue, Jun 17 - Sat, Jun 21
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$162 Roundtrip, found 4 days ago
$162
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 17 from Logan Intl. to Washington Dulles Intl., returning Sat, Jun 21, priced at $162 found 4 days ago
Mon, Jun 9 - Mon, Jun 16
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jun 9 from Logan Intl. to Washington Dulles Intl., returning Mon, Jun 16, priced at $164 found 1 day ago
Mon, Jun 16 - Fri, Jun 20
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jun 16 from Logan Intl. to Washington Dulles Intl., returning Fri, Jun 20, priced at $167 found 3 days ago
Sat, Nov 1 - Thu, Nov 13
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Logan Intl. to Washington Dulles Intl., returning Thu, Nov 13, priced at $167 found 1 day ago
Tue, Jun 10 - Wed, Jun 11
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$169 Roundtrip, found 10 hours ago
$169
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Jun 10 from Logan Intl. to Washington Dulles Intl., returning Wed, Jun 11, priced at $169 found 10 hours ago
Fri, Jul 11 - Mon, Jul 14
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$170 Roundtrip, found 8 hours ago
$170
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Jul 11 from Logan Intl. to Washington Dulles Intl., returning Mon, Jul 14, priced at $170 found 8 hours ago
Fri, Sep 26 - Sat, Sep 27
BOS
Logan Intl.
IAD
Washington Dulles Intl.
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select United flight, departing Fri, Sep 26 from Logan Intl. to Washington Dulles Intl., returning Sat, Sep 27, priced at $171 found 3 days ago