United Flight 600 Deals & Information (2025/2026)

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United Flight 600 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $179 and $90 for one-way flights to Miller Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 28 - Sun, Mar 30
IAH
George Bush Intercontinental
MFE
Miller Intl.
$179 Roundtrip, found 6 days ago
$179
Roundtrip
found 6 days ago
Select United flight, departing Fri, Mar 28 from George Bush Intercontinental to Miller Intl., returning Sun, Mar 30, priced at $179 found 6 days ago
Sat, May 3 - Mon, May 5
IAH
George Bush Intercontinental
MFE
Miller Intl.
$180 Roundtrip, found 2 days ago
$180
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 3 from George Bush Intercontinental to Miller Intl., returning Mon, May 5, priced at $180 found 2 days ago
Tue, Mar 4 - Tue, Mar 11
IAH
George Bush Intercontinental
MFE
Miller Intl.
$184 Roundtrip, found 4 days ago
$184
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 4 from George Bush Intercontinental to Miller Intl., returning Tue, Mar 11, priced at $184 found 4 days ago
Thu, Mar 6 - Fri, Mar 7
IAH
George Bush Intercontinental
MFE
Miller Intl.
$185 Roundtrip, found 2 days ago
$185
Roundtrip
found 2 days ago
Select United flight, departing Thu, Mar 6 from George Bush Intercontinental to Miller Intl., returning Fri, Mar 7, priced at $185 found 2 days ago
Sat, May 3 - Mon, May 5
IAH
George Bush Intercontinental
MFE
Miller Intl.
$189 Roundtrip, found 2 days ago
$189
Roundtrip
found 2 days ago
Select United flight, departing Sat, May 3 from George Bush Intercontinental to Miller Intl., returning Mon, May 5, priced at $189 found 2 days ago
Thu, Mar 6 - Fri, Mar 7
IAH
George Bush Intercontinental
MFE
Miller Intl.
$191 Roundtrip, found 2 days ago
$191
Roundtrip
found 2 days ago
Select United flight, departing Thu, Mar 6 from George Bush Intercontinental to Miller Intl., returning Fri, Mar 7, priced at $191 found 2 days ago
Tue, Mar 4 - Tue, Mar 11
IAH
George Bush Intercontinental
MFE
Miller Intl.
$193 Roundtrip, found 4 days ago
$193
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 4 from George Bush Intercontinental to Miller Intl., returning Tue, Mar 11, priced at $193 found 4 days ago
Wed, Mar 5 - Wed, Mar 12
IAH
George Bush Intercontinental
MFE
Miller Intl.
$196 Roundtrip, found 4 days ago
$196
Roundtrip
found 4 days ago
Select United flight, departing Wed, Mar 5 from George Bush Intercontinental to Miller Intl., returning Wed, Mar 12, priced at $196 found 4 days ago
Wed, Mar 5 - Wed, Mar 12
IAH
George Bush Intercontinental
MFE
Miller Intl.
$204 Roundtrip, found 4 days ago
$204
Roundtrip
found 4 days ago
Select United flight, departing Wed, Mar 5 from George Bush Intercontinental to Miller Intl., returning Wed, Mar 12, priced at $204 found 4 days ago
Tue, Mar 4 - Tue, Mar 11
IAH
George Bush Intercontinental
MFE
Miller Intl.
$210 Roundtrip, found 4 days ago
$210
Roundtrip
found 4 days ago
Select United flight, departing Tue, Mar 4 from George Bush Intercontinental to Miller Intl., returning Tue, Mar 11, priced at $210 found 4 days ago

Frequently asked questions

What route does flight number UA600 take?
UA600 takes several routes. The most popular is San Antonio, TX Airport (SAT-San Antonio Intl.) to Denver, CO Airport (DEN-Denver Intl.), which is a direct flight. This service usually takes 2 hours and 18 minutes. However, there may be other flights with this number that have one or more stops.
What terminal does UA600 fly out of?
You’ll likely depart from Terminal B if you’re beginning your journey at San Antonio Airport. Flight number UA600 serves multiple routes, but the direct flight between San Antonio, TX Airport (SAT-San Antonio Intl.) and DIA airport is the most popular.
What kind of plane is on flight number UA600?
UA600 is a flight number that serves a number of routes. If you’ve booked a ticket on the most frequent route, SAT to Denver Intl. Airport (DEN), chances are you’ll be climbing on board the Boeing 737-900.
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 UA600 flight with Travelocity, please visit our Customer Service Portal.