United Flight 591 Deals & Information (2026/2027)

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United Flight 591 Route Deals From $349

The cheapest prices found with in the last 7 days for return flights were $490 and $349 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 9 - Sun, Jul 12
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$490 Roundtrip, found 4 days ago
$490
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 9 from Eagle County Regional to George Bush Intercontinental, returning Sun, Jul 12, priced at $490 found 4 days ago
Sat, Jun 20 - Sun, Jun 21
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$510 Roundtrip, found 2 days ago
$510
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jun 20 from Eagle County Regional to George Bush Intercontinental, returning Sun, Jun 21, priced at $510 found 2 days ago
Thu, Jul 9 - Sun, Jul 12
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$526 Roundtrip, found 4 days ago
$526
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 9 from Eagle County Regional to George Bush Intercontinental, returning Sun, Jul 12, priced at $526 found 4 days ago
Thu, Jul 2 - Thu, Jul 9
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$527 Roundtrip, found 4 days ago
$527
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 2 from Eagle County Regional to George Bush Intercontinental, returning Thu, Jul 9, priced at $527 found 4 days ago
Sat, Jun 20 - Sun, Jun 21
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$537 Roundtrip, found 2 days ago
$537
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jun 20 from Eagle County Regional to George Bush Intercontinental, returning Sun, Jun 21, priced at $537 found 2 days ago
Thu, Jul 2 - Thu, Jul 9
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$538 Roundtrip, found 4 days ago
$538
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 2 from Eagle County Regional to George Bush Intercontinental, returning Thu, Jul 9, priced at $538 found 4 days ago
Thu, Jul 2 - Thu, Jul 9
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$542 Roundtrip, found 4 days ago
$542
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 2 from Eagle County Regional to George Bush Intercontinental, returning Thu, Jul 9, priced at $542 found 4 days ago
Thu, Jul 2 - Thu, Jul 9
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$547 Roundtrip, found 4 days ago
$547
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 2 from Eagle County Regional to George Bush Intercontinental, returning Thu, Jul 9, priced at $547 found 4 days ago
Thu, Jul 9 - Sun, Jul 12
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$553 Roundtrip, found 4 days ago
$553
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 9 from Eagle County Regional to George Bush Intercontinental, returning Sun, Jul 12, priced at $553 found 4 days ago
Thu, Jul 9 - Sun, Jul 12
EGE
Eagle County Regional
IAH
George Bush Intercontinental
$562 Roundtrip, found 4 days ago
$562
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 9 from Eagle County Regional to George Bush Intercontinental, returning Sun, Jul 12, priced at $562 found 4 days ago

Frequently asked questions

What route does flight number UA591 take?
You'll be landing into DEN from PHX if you've booked a ticket on flight number UA591. You'll be in the sky for 1 hour and 52 minutes on this trip. It's also good to note that the flight conveniently travels direct.
What terminal does UA591 fly out of?
Flights to and from Sky Harbor Intl. Airport (PHX) and Denver Intl. Airport (DEN) are served by UA591, and those traveling on this route typically depart from Terminal 3.
What kind of plane is on flight number UA591?
Get ready to jump on board a Boeing 737 MAX 9 if you've reserved a seat on flight UA591. Most services from Phoenix Sky Harbor Intl. Airport to Denver, CO Airport (DEN-Denver Intl.) operate using this aircraft type.
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 UA591 flight with Travelocity, please visit our Customer Service Portal.