United Flight 315 Deals & Information (2026/2027)

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United Flight 315 Route Deals From $136

The cheapest prices found with in the last 7 days for return flights were $271 and $136 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 22 - Mon, Oct 26
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$271 Roundtrip, just found
$271
Roundtrip
just found
Select United flight, departing Thu, Oct 22 from Tucson Intl. to George Bush Intercontinental, returning Mon, Oct 26, priced at $271 just found
Mon, Nov 9 - Tue, Nov 17
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 9 from Tucson Intl. to George Bush Intercontinental, returning Tue, Nov 17, priced at $277 found 3 days ago
Thu, Dec 31 - Mon, Jan 11
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 31 from Tucson Intl. to George Bush Intercontinental, returning Mon, Jan 11, priced at $277 found 2 days ago
Mon, Nov 9 - Tue, Nov 17
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 9 from Tucson Intl. to George Bush Intercontinental, returning Tue, Nov 17, priced at $281 found 3 days ago
Thu, Dec 31 - Mon, Jan 11
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 31 from Tucson Intl. to George Bush Intercontinental, returning Mon, Jan 11, priced at $282 found 2 days ago
Fri, Oct 23 - Mon, Oct 26
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$286 Roundtrip, found 22 hours ago
$286
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Oct 23 from Tucson Intl. to George Bush Intercontinental, returning Mon, Oct 26, priced at $286 found 22 hours ago
Thu, Feb 4 - Wed, Feb 10
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$290 Roundtrip, found 3 days ago
$290
Roundtrip
found 3 days ago
Select United flight, departing Thu, Feb 4 from Tucson Intl. to George Bush Intercontinental, returning Wed, Feb 10, priced at $290 found 3 days ago
Fri, Dec 4 - Mon, Dec 7
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$292 Roundtrip, found 6 days ago
$292
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 4 from Tucson Intl. to George Bush Intercontinental, returning Mon, Dec 7, priced at $292 found 6 days ago
Fri, Oct 23 - Mon, Oct 26
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$296 Roundtrip, found 22 hours ago
$296
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Oct 23 from Tucson Intl. to George Bush Intercontinental, returning Mon, Oct 26, priced at $296 found 22 hours ago
Sun, Nov 8 - Mon, Nov 16
TUS
Tucson Intl.
IAH
George Bush Intercontinental
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select United flight, departing Sun, Nov 8 from Tucson Intl. to George Bush Intercontinental, returning Mon, Nov 16, priced at $312 found 3 days ago

Frequently asked questions

What route does flight number UA315 take?
You'll arrive into Washington Dulles Intl. Airport (IAD) from FLL if you've booked a ticket on flight number UA315. You'll be in the sky for 2 hours and 27 minutes on this trip. It's also good to note that it conveniently travels non-stop.
What terminal does UA315 fly out of?
Direct flights to and from Fort Lauderdale - Hollywood Intl. Airport and Washington, DC Airport (IAD-Washington Dulles Intl.) are served by flight number UA315, and passengers booked on this route normally depart from Terminal 1.
What kind of plane is on flight number UA315?
The Boeing 737-700 is the aircraft type most frequently used for flight UA315. This flight almost always heads off from FLL and touches down at Dulles Intl. Airport.
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 UA315 flight with Travelocity, please visit our Customer Service Portal.