United Flight AA630 Deals & Information (2025/2026)

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United Flight 630 Route Deals From $90

The cheapest prices found with in the last 7 days for return flights were $139 and $90 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 7 - Sun, Aug 10
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$139 Roundtrip, found 3 days ago
$139
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 7 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Aug 10, priced at $139 found 3 days ago
Fri, Sep 5 - Mon, Sep 8
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$150 Roundtrip, found 5 days ago
$150
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 5 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 8, priced at $150 found 5 days ago
Fri, Sep 26 - Sun, Sep 28
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago
Select United flight, departing Fri, Sep 26 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $154 found 4 days ago
Fri, Sep 5 - Mon, Sep 8
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$168 Roundtrip, found 5 days ago
$168
Roundtrip
found 5 days ago
Select United flight, departing Fri, Sep 5 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Sep 8, priced at $168 found 5 days ago
Sat, Aug 9 - Sun, Aug 17
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$191 Roundtrip, found 1 hour ago
$191
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 9 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Aug 17, priced at $191 found 1 hour ago
Sat, Aug 16 - Sun, Aug 17
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 16 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Aug 17, priced at $196 found 2 days ago
Sat, Oct 11 - Sun, Oct 12
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$203 Roundtrip, found 11 hours ago
$203
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Oct 11 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $203 found 11 hours ago
Fri, Oct 10 - Sun, Oct 12
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $207 found 2 days ago
Fri, Oct 10 - Sun, Oct 12
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 10 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $210 found 2 days ago
Sat, Oct 11 - Sun, Oct 12
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$224 Roundtrip, found 11 hours ago
$224
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Oct 11 from Buffalo Niagara Intl. to O'Hare Intl., returning Sun, Oct 12, priced at $224 found 11 hours ago

Frequently asked questions

What route does flight number UA630 take?
UA630 serves multiple routes, but the most common is between Austin-Bergstrom Intl. Airport (AUS) and IAH. If on a direct flight, you'll land in around 1 hour and 4 minutes. Multi-stop flights can also use this number, as can flights on other routes.
How often is UA630 on time?
If you're flying with United Airlines on flight number UA630 from AUS to Houston Airport, your trip is on time 86% of the time --- when you're running on a tight schedule, it's nice to know that your airline does too. On the rare occasion that there is an unforeseen delay, the average delay is just 20 minutes. This flight has a 3.55-star rating.
What kind of plane is on flight number UA630?
It's more than likely you'll be cruising aboard the Airbus A319 if you've reserved a seat on flight UA630 from AUS to Houston Airport. It's the most commonly used type of aircraft on this 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 UA630 flight with Travelocity, please visit our Customer Service Portal.