United Flight UA251 Deals & Information (2025/2026)

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United Flight 251 Route Deals From $95

The cheapest prices found with in the last 7 days for return flights were $222 and $95 for one-way flights to Louis Armstrong New Orleans Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 29 - Thu, Jun 5
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Thu, May 29 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Thu, Jun 5, priced at $222 found 6 days ago
Fri, Sep 12 - Mon, Sep 15
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Mon, Sep 15, priced at $228 found 1 hour ago
Fri, Jun 27 - Tue, Jul 1
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$233 Roundtrip, found 23 hours ago
$233
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Jun 27 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Tue, Jul 1, priced at $233 found 23 hours ago
Fri, May 30 - Sat, May 31
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$238 Roundtrip, found 6 days ago
$238
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 30 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Sat, May 31, priced at $238 found 6 days ago
Tue, Jul 1 - Tue, Jul 8
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 1 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Tue, Jul 8, priced at $242 found 1 day ago
Tue, Jun 17 - Mon, Jun 23
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jun 17 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Mon, Jun 23, priced at $244 found 3 days ago
Fri, Jun 27 - Tue, Jul 1
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$247 Roundtrip, found 23 hours ago
$247
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Jun 27 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Tue, Jul 1, priced at $247 found 23 hours ago
Fri, Sep 12 - Mon, Sep 15
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Mon, Sep 15, priced at $249 found 1 hour ago
Fri, Sep 12 - Mon, Sep 15
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Mon, Sep 15, priced at $251 found 1 hour ago
Sat, Jun 14 - Sun, Jun 15
IAD
Washington Dulles Intl.
MSY
Louis Armstrong New Orleans Intl.
$254 Roundtrip, found 4 hours ago
$254
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Jun 14 from Washington Dulles Intl. to Louis Armstrong New Orleans Intl., returning Sun, Jun 15, priced at $254 found 4 hours ago

Frequently asked questions

What route does flight number UA251 take?
UA251 operates between Logan Intl. Airport and EWR directly. This service takes 1 hour and 20 minutes.
What terminal does UA251 fly out of?
Flights between Logan Intl. Airport (BOS) and Newark, NJ Airport (EWR-Liberty Intl.) are served by flight number UA251, and travelers with a seat booked on this route usually take off from Terminal B.
What kind of plane is on flight number UA251?
The Boeing 737-800 is the type of aircraft predominantly used for flight number UA251. This flight almost always jets off from Logan Intl. Airport (BOS) and lands at Newark Airport.
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 UA251 flight with Travelocity, please visit our Customer Service Portal.