United Flight UA1638 Deals & Information (2024/2025)

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United Flight 1638 Route Deals From $280

The cheapest prices found with in the last 7 days for return flights were $329 and $280 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 17 - Thu, Jul 4
GJT
Grand Junction Regional
DEN
Denver Intl.
$329 Roundtrip, found 16 hours ago
$329
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Jun 17 from Grand Junction Regional to Denver Intl., returning Thu, Jul 4, priced at $329 found 16 hours ago
Tue, May 7 - Sat, May 18
GJT
Grand Junction Regional
DEN
Denver Intl.
$334 Roundtrip, found 2 days ago
$334
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 7 from Grand Junction Regional to Denver Intl., returning Sat, May 18, priced at $334 found 2 days ago
Tue, May 7 - Sat, May 11
GJT
Grand Junction Regional
DEN
Denver Intl.
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 7 from Grand Junction Regional to Denver Intl., returning Sat, May 11, priced at $339 found 3 days ago
Wed, May 8 - Wed, May 15
GJT
Grand Junction Regional
DEN
Denver Intl.
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 8 from Grand Junction Regional to Denver Intl., returning Wed, May 15, priced at $344 found 1 day ago
Wed, May 8 - Sat, May 11
GJT
Grand Junction Regional
DEN
Denver Intl.
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select United flight, departing Wed, May 8 from Grand Junction Regional to Denver Intl., returning Sat, May 11, priced at $349 found 1 day ago
Fri, May 17 - Sun, May 19
GJT
Grand Junction Regional
DEN
Denver Intl.
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 17 from Grand Junction Regional to Denver Intl., returning Sun, May 19, priced at $358 found 3 days ago
Wed, May 15 - Fri, May 31
GJT
Grand Junction Regional
DEN
Denver Intl.
$363 Roundtrip, found 5 days ago
$363
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 15 from Grand Junction Regional to Denver Intl., returning Fri, May 31, priced at $363 found 5 days ago
Sun, May 5 - Wed, May 15
GJT
Grand Junction Regional
DEN
Denver Intl.
$394 Roundtrip, found 1 day ago
$394
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 5 from Grand Junction Regional to Denver Intl., returning Wed, May 15, priced at $394 found 1 day ago
Wed, Jun 5 - Sat, Jun 8
GJT
Grand Junction Regional
DEN
Denver Intl.
$398 Roundtrip, found 21 hours ago
$398
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Jun 5 from Grand Junction Regional to Denver Intl., returning Sat, Jun 8, priced at $398 found 21 hours ago
Sun, May 5 - Sat, May 11
GJT
Grand Junction Regional
DEN
Denver Intl.
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 5 from Grand Junction Regional to Denver Intl., returning Sat, May 11, priced at $399 found 1 day ago
Wed, Jun 5 - Sat, Jun 8
GJT
Grand Junction Regional
DEN
Denver Intl.
$414 Roundtrip, found 21 hours ago
$414
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Jun 5 from Grand Junction Regional to Denver Intl., returning Sat, Jun 8, priced at $414 found 21 hours ago
Fri, Oct 11 - Wed, Oct 16
GJT
Grand Junction Regional
DEN
Denver Intl.
$420 Roundtrip, found 1 day ago
$420
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 11 from Grand Junction Regional to Denver Intl., returning Wed, Oct 16, priced at $420 found 1 day ago
Thu, May 16 - Mon, May 20
GJT
Grand Junction Regional
DEN
Denver Intl.
$422 Roundtrip, found 4 days ago
$422
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 16 from Grand Junction Regional to Denver Intl., returning Mon, May 20, priced at $422 found 4 days ago
Fri, May 3 - Mon, May 6
GJT
Grand Junction Regional
DEN
Denver Intl.
$481 Roundtrip, found 5 days ago
$481
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 3 from Grand Junction Regional to Denver Intl., returning Mon, May 6, priced at $481 found 5 days ago
Fri, May 3 - Mon, May 6
GJT
Grand Junction Regional
DEN
Denver Intl.
$496 Roundtrip, found 5 days ago
$496
Roundtrip
found 5 days ago
Select United flight, departing Fri, May 3 from Grand Junction Regional to Denver Intl., returning Mon, May 6, priced at $496 found 5 days ago
Fri, May 17 - Sun, May 19
GJT
Grand Junction Regional
DEN
Denver Intl.
$518 Roundtrip, found 3 days ago
$518
Roundtrip
found 3 days ago
Select United flight, departing Fri, May 17 from Grand Junction Regional to Denver Intl., returning Sun, May 19, priced at $518 found 3 days ago
Wed, May 15 - Fri, May 31
GJT
Grand Junction Regional
DEN
Denver Intl.
$523 Roundtrip, found 5 days ago
$523
Roundtrip
found 5 days ago
Select United flight, departing Wed, May 15 from Grand Junction Regional to Denver Intl., returning Fri, May 31, priced at $523 found 5 days ago

Frequently asked questions

What route does flight number UA1638 take?
UA1638 is used on multiple routes. Most commonly, UA1638 flies directly from Houston, TX Airport (IAH-George Bush Intercontinental) to Austin-Bergstrom Intl. Airport (AUS). If that’s your chosen flight path, you’ll be up above the clouds for approximately 57 minutes.
What terminal does UA1638 fly out of?
If you’re setting off from Houston, TX Airport (IAH-George Bush Intercontinental), you’ll probably board the aircraft from Terminal C. The most traveled route for flight number UA1638 is Houston Airport to Austin-Bergstrom Intl. Airport (AUS), which is a direct flight.
What kind of plane is on flight number UA1638?
You’re likely to travel aboard the Airbus A319 if you’re taking flight UA1638 from Houston, TX Airport (IAH-George Bush Intercontinental) to AUS. It’s the most commonly used type of plane on this particular route.
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 UA1638 flight with Travelocity, please visit our Customer Service Portal.