United Flight 4457 Deals & Information (2026/2027)

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United Flight 4457 Route Deals From $87

The cheapest prices found with in the last 7 days for return flights were $157 and $87 for one-way flights to Ronald Reagan Washington National for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 7 - Sun, Aug 9
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 7 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sun, Aug 9, priced at $157 found 1 day ago
Wed, Sep 2 - Sat, Sep 5
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$167 Roundtrip, found 10 hours ago
$167
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Sep 2 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sat, Sep 5, priced at $167 found 10 hours ago
Fri, Aug 7 - Sun, Aug 9
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 7 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sun, Aug 9, priced at $168 found 1 day ago
Sat, May 23 - Sun, May 24
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 23 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sun, May 24, priced at $179 found 5 days ago
Fri, Jun 19 - Mon, Jun 22
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$181 Roundtrip, found 4 days ago
$181
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jun 19 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Mon, Jun 22, priced at $181 found 4 days ago
Mon, Jun 1 - Wed, Jun 3
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$183 Roundtrip, found 1 day ago
$183
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Wed, Jun 3, priced at $183 found 1 day ago
Sun, May 24 - Fri, May 29
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$187 Roundtrip, found 11 hours ago
$187
Roundtrip
found 11 hours ago
Select United flight, departing Sun, May 24 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Fri, May 29, priced at $187 found 11 hours ago
Sat, May 23 - Sun, May 24
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$190 Roundtrip, found 5 days ago
$190
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 23 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sun, May 24, priced at $190 found 5 days ago
Sat, Jun 6 - Sun, Jun 7
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$192 Roundtrip, found 7 hours ago
$192
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Jun 6 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sun, Jun 7, priced at $192 found 7 hours ago
Wed, May 20 - Sat, May 30
EWR
Newark Liberty Intl. Airport
DCA
Ronald Reagan Washington National
$193 Roundtrip, found 1 day ago
$193
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 20 from Newark Liberty Intl. Airport to Ronald Reagan Washington National, returning Sat, May 30, priced at $193 found 1 day ago

Frequently asked questions

What route does flight number UA4457 take?
UA4457 takes roughly 1 hour and 59 minutes to fly straight from FAR to O'Hare Airport. Sure, there's magic in the destination, but half the fun is in the journey!
What kind of plane is on flight number UA4457?
Expect to jump on board a Canadair (Bombardier) Regional Jet 550 if you have a seat on flight UA4457. Nearly all flights from FAR to O'Hare Intl. Airport (ORD) operate using this kind of plane.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA4457 flight with Travelocity, please visit our Customer Service Portal.