United Flight UA5551 Deals & Information (2025/2026)

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United Flight 5551 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $189 and $214 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 30 - Mon, Nov 10
IDA
Idaho Falls Regional
DEN
Denver Intl.
$189 Roundtrip, found 2 days ago
$189
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 30 from Idaho Falls Regional to Denver Intl., returning Mon, Nov 10, priced at $189 found 2 days ago
Wed, Aug 13 - Sat, Aug 16
IDA
Idaho Falls Regional
DEN
Denver Intl.
$193 Roundtrip, found 3 days ago
$193
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 13 from Idaho Falls Regional to Denver Intl., returning Sat, Aug 16, priced at $193 found 3 days ago
Fri, Jul 11 - Sat, Jul 12
IDA
Idaho Falls Regional
DEN
Denver Intl.
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Idaho Falls Regional to Denver Intl., returning Sat, Jul 12, priced at $199 found 1 day ago
Thu, Oct 30 - Mon, Nov 10
IDA
Idaho Falls Regional
DEN
Denver Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 30 from Idaho Falls Regional to Denver Intl., returning Mon, Nov 10, priced at $219 found 2 days ago
Fri, Jul 11 - Sat, Jul 12
IDA
Idaho Falls Regional
DEN
Denver Intl.
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Idaho Falls Regional to Denver Intl., returning Sat, Jul 12, priced at $224 found 1 day ago
Thu, Oct 30 - Mon, Nov 10
IDA
Idaho Falls Regional
DEN
Denver Intl.
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 30 from Idaho Falls Regional to Denver Intl., returning Mon, Nov 10, priced at $249 found 2 days ago
Fri, Jul 11 - Sat, Jul 12
IDA
Idaho Falls Regional
DEN
Denver Intl.
$259 Roundtrip, found 1 day ago
$259
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Idaho Falls Regional to Denver Intl., returning Sat, Jul 12, priced at $259 found 1 day ago
Wed, Jul 30 - Sun, Aug 3
IDA
Idaho Falls Regional
DEN
Denver Intl.
$264 Roundtrip, just found
$264
Roundtrip
just found
Select United flight, departing Wed, Jul 30 from Idaho Falls Regional to Denver Intl., returning Sun, Aug 3, priced at $264 just found
Wed, Jul 30 - Sun, Aug 3
IDA
Idaho Falls Regional
DEN
Denver Intl.
$269 Roundtrip, just found
$269
Roundtrip
just found
Select United flight, departing Wed, Jul 30 from Idaho Falls Regional to Denver Intl., returning Sun, Aug 3, priced at $269 just found
Fri, Jul 4 - Sat, Jul 5
IDA
Idaho Falls Regional
DEN
Denver Intl.
$270 Roundtrip, found 3 days ago
$270
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jul 4 from Idaho Falls Regional to Denver Intl., returning Sat, Jul 5, priced at $270 found 3 days ago
Thu, Oct 30 - Mon, Nov 10
IDA
Idaho Falls Regional
DEN
Denver Intl.
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 30 from Idaho Falls Regional to Denver Intl., returning Mon, Nov 10, priced at $277 found 2 days ago
Thu, Aug 7 - Sun, Aug 10
IDA
Idaho Falls Regional
DEN
Denver Intl.
$279 Roundtrip, just found
$279
Roundtrip
just found
Select United flight, departing Thu, Aug 7 from Idaho Falls Regional to Denver Intl., returning Sun, Aug 10, priced at $279 just found
Fri, Jul 11 - Sat, Jul 12
IDA
Idaho Falls Regional
DEN
Denver Intl.
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Idaho Falls Regional to Denver Intl., returning Sat, Jul 12, priced at $282 found 1 day ago
Fri, Jul 11 - Sat, Jul 12
IDA
Idaho Falls Regional
DEN
Denver Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 11 from Idaho Falls Regional to Denver Intl., returning Sat, Jul 12, priced at $289 found 1 day ago
Wed, Jul 30 - Sun, Aug 3
IDA
Idaho Falls Regional
DEN
Denver Intl.
$295 Roundtrip, just found
$295
Roundtrip
just found
Select United flight, departing Wed, Jul 30 from Idaho Falls Regional to Denver Intl., returning Sun, Aug 3, priced at $295 just found
Thu, Aug 7 - Sun, Aug 10
IDA
Idaho Falls Regional
DEN
Denver Intl.
$311 Roundtrip, just found
$311
Roundtrip
just found
Select United flight, departing Thu, Aug 7 from Idaho Falls Regional to Denver Intl., returning Sun, Aug 10, priced at $311 just found

Frequently asked questions

What route does flight number UA5551 take?
UA5551 operates straight from Las Vegas, NV Airport (LAS-McCarran Intl.) to LAX. During this trip, you'll be in the air for around 1 hour and 13 minutes. It's wise to book ahead to get your preferred seat.
What terminal does UA5551 fly out of?
UA5551 runs between McCarran Intl. Airport (LAS) and Los Angeles Intl. Airport (LAX), and passengers booked on this flight commonly depart from Terminal 3.
What kind of plane is on flight number UA5551?
Prepare to hop on board an Embraer 175 if you're traveling on flight UA5551. Most services from McCarran Intl. Airport (LAS) to Los Angeles Intl. Airport (LAX) use this kind of aircraft.
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 UA5551 flight with Travelocity, please visit our Customer Service Portal.