United Flight 4177 Deals & Information (2026/2027)

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United Flight 4177 Route Deals From $54

The cheapest prices found with in the last 7 days for return flights were $119 and $54 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Feb 1 - Wed, Feb 4
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$119 Roundtrip, found 6 days ago
$119
Roundtrip
found 6 days ago
Select United flight, departing Sun, Feb 1 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Wed, Feb 4, priced at $119 found 6 days ago
Thu, Mar 19 - Sun, Mar 22
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$129 Roundtrip, found 1 day ago
$129
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 19 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Mar 22, priced at $129 found 1 day ago
Wed, Feb 4 - Thu, Feb 5
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$130 Roundtrip, found 2 days ago
$130
Roundtrip
found 2 days ago
Select United flight, departing Wed, Feb 4 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Thu, Feb 5, priced at $130 found 2 days ago
Thu, Jul 23 - Sun, Jul 26
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$134 Roundtrip, found 3 days ago
$134
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jul 23 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Jul 26, priced at $134 found 3 days ago
Mon, Apr 20 - Wed, Apr 22
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$138 Roundtrip, found 2 days ago
$138
Roundtrip
found 2 days ago
Select United flight, departing Mon, Apr 20 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Wed, Apr 22, priced at $138 found 2 days ago
Thu, Mar 19 - Sun, Mar 22
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 19 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Mar 22, priced at $154 found 1 day ago
Fri, May 8 - Sun, May 10
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$158 Roundtrip, found 5 days ago
$158
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 8 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, May 10, priced at $158 found 5 days ago
Fri, May 8 - Sun, May 10
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$159 Roundtrip, found 5 days ago
$159
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 8 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, May 10, priced at $159 found 5 days ago
Thu, Jul 23 - Sun, Jul 26
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$163 Roundtrip, found 3 days ago
$163
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jul 23 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Jul 26, priced at $163 found 3 days ago
Thu, Jul 23 - Sun, Jul 26
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jul 23 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Jul 26, priced at $164 found 3 days ago