United Flight 630 Deals & Information (2025/2026)

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United Flight 630 Route Deals From $89

The cheapest prices found with in the last 7 days for return flights were $177 and $89 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 22 - Wed, Oct 29
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$177 Roundtrip, found 6 hours ago
$177
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Oct 22 from Buffalo Niagara Intl. to O'Hare Intl., returning Wed, Oct 29, priced at $177 found 6 hours ago
Thu, Aug 14 - Sat, Aug 16
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$179 Roundtrip, found 7 hours ago
$179
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 14 from Buffalo Niagara Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $179 found 7 hours ago
Mon, Aug 18 - Thu, Aug 21
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$180 Roundtrip, found 6 days ago
$180
Roundtrip
found 6 days ago
Select United flight, departing Mon, Aug 18 from Buffalo Niagara Intl. to O'Hare Intl., returning Thu, Aug 21, priced at $180 found 6 days ago
Tue, Sep 16 - Thu, Sep 18
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$206 Roundtrip, found 10 hours ago
$206
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Sep 16 from Buffalo Niagara Intl. to O'Hare Intl., returning Thu, Sep 18, priced at $206 found 10 hours ago
Tue, Sep 16 - Thu, Sep 18
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$206 Roundtrip, found 10 hours ago
$206
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Sep 16 from Buffalo Niagara Intl. to O'Hare Intl., returning Thu, Sep 18, priced at $206 found 10 hours ago
Tue, Sep 16 - Thu, Sep 18
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$209 Roundtrip, found 10 hours ago
$209
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Sep 16 from Buffalo Niagara Intl. to O'Hare Intl., returning Thu, Sep 18, priced at $209 found 10 hours ago
Wed, Oct 22 - Wed, Oct 29
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$211 Roundtrip, found 6 hours ago
$211
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Oct 22 from Buffalo Niagara Intl. to O'Hare Intl., returning Wed, Oct 29, priced at $211 found 6 hours ago
Mon, Sep 15 - Sat, Sep 20
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$211 Roundtrip, found 19 hours ago
$211
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Sep 15 from Buffalo Niagara Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $211 found 19 hours ago
Mon, Aug 25 - Sat, Aug 30
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$215 Roundtrip, found 19 hours ago
$215
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Aug 25 from Buffalo Niagara Intl. to O'Hare Intl., returning Sat, Aug 30, priced at $215 found 19 hours ago
Mon, Aug 18 - Thu, Aug 21
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$216 Roundtrip, found 6 days ago
$216
Roundtrip
found 6 days ago
Select United flight, departing Mon, Aug 18 from Buffalo Niagara Intl. to O'Hare Intl., returning Thu, Aug 21, priced at $216 found 6 days ago
Fri, Aug 8 - Mon, Aug 11
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 8 from Buffalo Niagara Intl. to O'Hare Intl., returning Mon, Aug 11, priced at $217 found 5 days ago
Wed, Oct 22 - Wed, Oct 29
BUF
Buffalo Niagara Intl.
ORD
O'Hare Intl.
$223 Roundtrip, found 6 hours ago
$223
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Oct 22 from Buffalo Niagara Intl. to O'Hare Intl., returning Wed, Oct 29, priced at $223 found 6 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.