United Flight WN318 Deals & Information (2025/2026)

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United Flight 318 Route Deals From $98

The cheapest prices found with in the last 7 days for return flights were $195 and $98 for one-way flights to Denver Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 20 - Thu, Aug 21
TUL
Tulsa Intl.
DEN
Denver Intl.
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 20 from Tulsa Intl. to Denver Intl., returning Thu, Aug 21, priced at $195 found 1 day ago
Wed, Aug 20 - Thu, Aug 21
TUL
Tulsa Intl.
DEN
Denver Intl.
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 20 from Tulsa Intl. to Denver Intl., returning Thu, Aug 21, priced at $195 found 1 day ago
Wed, Aug 20 - Sat, Aug 23
TUL
Tulsa Intl.
DEN
Denver Intl.
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 20 from Tulsa Intl. to Denver Intl., returning Sat, Aug 23, priced at $206 found 1 day ago
Sat, Sep 20 - Sun, Sep 28
TUL
Tulsa Intl.
DEN
Denver Intl.
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Tulsa Intl. to Denver Intl., returning Sun, Sep 28, priced at $222 found 2 days ago

Frequently asked questions

What route does flight number UA318 take?
UA318 jets from Juan Santamaria Intl. Airport to Chicago, IL Airport (ORD-O'Hare Intl.) and flies direct. This journey usually takes 5 hours and 26 minutes.
What terminal does UA318 fly out of?
Travelers booked on flight number UA318 from SJO to Chicago, IL Airport (ORD-O'Hare Intl.) usually depart from Terminal M.
What kind of plane is on flight number UA318?
Get set to cruise the skies aboard a Boeing 737-800 if you're booked on flight UA318. Almost all services from Juan Santamaria Intl. Airport to Chicago, IL Airport (ORD-O'Hare Intl.) operate using this kind of aircraft.
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 UA318 flight with Travelocity, please visit our Customer Service Portal.