United Flight UA600 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 $143 and $90 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 21 - Wed, Aug 27
BWI
Baltimore Washington Intl. Thurgood Marshall
IAH
George Bush Intercontinental
$143 Roundtrip, found 3 days ago
$143
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 21 from Baltimore Washington Intl. Thurgood Marshall to George Bush Intercontinental, returning Wed, Aug 27, priced at $143 found 3 days ago
Sat, Sep 27 - Sat, Oct 4
BWI
Baltimore Washington Intl. Thurgood Marshall
IAH
George Bush Intercontinental
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Sep 27 from Baltimore Washington Intl. Thurgood Marshall to George Bush Intercontinental, returning Sat, Oct 4, priced at $177 found 2 hours 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.