United Flight AA6100 Deals & Information (2025/2026)

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United Flight 6100 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $163 and $70 for one-way flights to Charlotte-Douglas Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 12 - Mon, Sep 15
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$163 Roundtrip, just found
$163
Roundtrip
just found
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Mon, Sep 15, priced at $163 just found
Fri, Sep 12 - Mon, Sep 15
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$184 Roundtrip, just found
$184
Roundtrip
just found
Select United flight, departing Fri, Sep 12 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Mon, Sep 15, priced at $184 just found
Wed, Aug 27 - Sat, Sep 27
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$187 Roundtrip, found 3 hours ago
$187
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 27 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Sat, Sep 27, priced at $187 found 3 hours ago
Fri, Jul 4 - Mon, Jul 7
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$193 Roundtrip, found 3 hours ago
$193
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Jul 4 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Mon, Jul 7, priced at $193 found 3 hours ago
Sat, Jun 28 - Sat, Jul 5
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 28 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Sat, Jul 5, priced at $199 found 4 days ago
Fri, Jul 4 - Mon, Jul 7
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$202 Roundtrip, found 3 hours ago
$202
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Jul 4 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Mon, Jul 7, priced at $202 found 3 hours ago
Tue, Aug 26 - Sun, Sep 28
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$204 Roundtrip, found 3 hours ago
$204
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Aug 26 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Sun, Sep 28, priced at $204 found 3 hours ago
Tue, Aug 26 - Sun, Sep 28
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$211 Roundtrip, found 3 hours ago
$211
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Aug 26 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Sun, Sep 28, priced at $211 found 3 hours ago
Thu, Jul 24 - Sat, Jul 26
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$213 Roundtrip, found 6 days ago
$213
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jul 24 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Sat, Jul 26, priced at $213 found 6 days ago
Fri, Jul 4 - Mon, Jul 7
IAD
Washington Dulles Intl.
CLT
Charlotte-Douglas Intl.
$218 Roundtrip, found 3 hours ago
$218
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Jul 4 from Washington Dulles Intl. to Charlotte-Douglas Intl., returning Mon, Jul 7, priced at $218 found 3 hours ago

Frequently asked questions

What route does flight number UA6100 take?
UA6100 takes numerous routes. The most popular is between Houston, TX Airport (IAH-George Bush Intercontinental) and San Antonio Airport, which is a direct flight. This flight generally takes 1 hour and 3 minutes. That said, there are likely to be other flights with this number that are multi-stop.
What terminal does UA6100 fly out of?
You'll most likely board the plane from Terminal B if you're flying out of Houston, TX Airport (IAH-George Bush Intercontinental). UA6100 serves a variety of routes, but the direct flight between IAH and San Antonio Airport is the most popular one.
What kind of plane is on flight number UA6100?
You're likely to be climbing aboard the Embraer 175 if you've booked a fare on flight UA6100 from Houston, TX Airport (IAH-George Bush Intercontinental) to San Antonio, TX Airport (SAT-San Antonio Intl.). It's the most commonly used aircraft model on this popular 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 UA6100 flight with Travelocity, please visit our Customer Service Portal.