United Flight UA4237 Deals & Information (2025/2026)

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United Flight 4237 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 George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 30 - Mon, Nov 3
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$177 Roundtrip, found 21 hours ago
$177
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 30 from Tulsa Intl. to George Bush Intercontinental, returning Mon, Nov 3, priced at $177 found 21 hours ago
Mon, Aug 25 - Wed, Aug 27
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 25 from Tulsa Intl. to George Bush Intercontinental, returning Wed, Aug 27, priced at $179 found 1 day ago
Fri, Oct 24 - Thu, Oct 30
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$186 Roundtrip, found 15 hours ago
$186
Roundtrip
found 15 hours ago
Select United flight, departing Fri, Oct 24 from Tulsa Intl. to George Bush Intercontinental, returning Thu, Oct 30, priced at $186 found 15 hours ago
Thu, Sep 25 - Sun, Sep 28
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$192 Roundtrip, found 3 days ago
$192
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 25 from Tulsa Intl. to George Bush Intercontinental, returning Sun, Sep 28, priced at $192 found 3 days ago
Fri, Oct 3 - Sun, Oct 5
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 3 from Tulsa Intl. to George Bush Intercontinental, returning Sun, Oct 5, priced at $209 found 1 day ago
Thu, Dec 18 - Fri, Dec 26
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$223 Roundtrip, found 5 hours ago
$223
Roundtrip
found 5 hours ago
Select United flight, departing Thu, Dec 18 from Tulsa Intl. to George Bush Intercontinental, returning Fri, Dec 26, priced at $223 found 5 hours ago
Thu, Oct 30 - Mon, Nov 3
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$229 Roundtrip, found 21 hours ago
$229
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 30 from Tulsa Intl. to George Bush Intercontinental, returning Mon, Nov 3, priced at $229 found 21 hours ago
Thu, Sep 25 - Sun, Sep 28
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$230 Roundtrip, found 3 days ago
$230
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 25 from Tulsa Intl. to George Bush Intercontinental, returning Sun, Sep 28, priced at $230 found 3 days ago
Thu, Oct 30 - Mon, Nov 3
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$237 Roundtrip, found 21 hours ago
$237
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Oct 30 from Tulsa Intl. to George Bush Intercontinental, returning Mon, Nov 3, priced at $237 found 21 hours ago
Mon, Aug 25 - Wed, Aug 27
TUL
Tulsa Intl.
IAH
George Bush Intercontinental
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 25 from Tulsa Intl. to George Bush Intercontinental, returning Wed, Aug 27, priced at $239 found 1 day ago