United Flight 4177 Deals & Information (2026/2027)

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United Flight 4177 Route Deals From $60

The cheapest prices found with in the last 7 days for return flights were $120 and $60 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Mar 15 - Mon, Mar 16
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$120 Roundtrip, found 4 hours ago
$120
Roundtrip
found 4 hours ago
Select United flight, departing Sun, Mar 15 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Mar 16, priced at $120 found 4 hours ago
Sun, Feb 8 - Wed, Feb 11
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$129 Roundtrip, found 2 days ago
$129
Roundtrip
found 2 days ago
Select United flight, departing Sun, Feb 8 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Wed, Feb 11, priced at $129 found 2 days ago
Fri, Jul 3 - Sun, Jul 5
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$129 Roundtrip, found 7 hours ago
$129
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Jul 3 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Jul 5, priced at $129 found 7 hours ago
Mon, Feb 9 - Tue, Feb 10
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$130 Roundtrip, found 17 hours ago
$130
Roundtrip
found 17 hours ago
Select United flight, departing Mon, Feb 9 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Tue, Feb 10, priced at $130 found 17 hours ago
Thu, Mar 5 - Fri, Mar 6
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$132 Roundtrip, found 4 days ago
$132
Roundtrip
found 4 days ago
Select United flight, departing Thu, Mar 5 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Fri, Mar 6, priced at $132 found 4 days ago
Fri, May 15 - Sun, May 17
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$133 Roundtrip, found 3 days ago
$133
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 15 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, May 17, priced at $133 found 3 days ago
Fri, Mar 20 - Mon, Mar 23
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, Mar 23, priced at $137 found 1 day ago
Thu, Apr 23 - Sun, Apr 26
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$138 Roundtrip, found 5 days ago
$138
Roundtrip
found 5 days ago
Select United flight, departing Thu, Apr 23 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Apr 26, priced at $138 found 5 days ago
Sun, Feb 1 - Sun, Feb 8
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select United flight, departing Sun, Feb 1 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Sun, Feb 8, priced at $141 found 1 day ago
Sun, May 10 - Mon, May 11
EWR
Newark Liberty Intl. Airport
IAD
Washington Dulles Intl.
$142 Roundtrip, found 4 days ago
$142
Roundtrip
found 4 days ago
Select United flight, departing Sun, May 10 from Newark Liberty Intl. Airport to Washington Dulles Intl., returning Mon, May 11, priced at $142 found 4 days ago