United Flight 503 Deals & Information (2025/2026)

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United Flight 503 Route Deals From $40

The cheapest prices found with in the last 7 days for return flights were $77 and $40 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 2 - Thu, Sep 4
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$77 Roundtrip, just found
$77
Roundtrip
just found
Select United flight, departing Tue, Sep 2 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Sep 4, priced at $77 just found
Tue, Sep 2 - Thu, Sep 4
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$77 Roundtrip, just found
$77
Roundtrip
just found
Select United flight, departing Tue, Sep 2 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Sep 4, priced at $77 just found
Wed, Sep 17 - Sat, Sep 20
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$91 Roundtrip, found 6 days ago
$91
Roundtrip
found 6 days ago
Select United flight, departing Wed, Sep 17 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Sat, Sep 20, priced at $91 found 6 days ago
Mon, Sep 22 - Wed, Sep 24
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$94 Roundtrip, found 2 days ago
$94
Roundtrip
found 2 days ago
Select United flight, departing Mon, Sep 22 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Wed, Sep 24, priced at $94 found 2 days ago
Sat, Nov 1 - Mon, Nov 3
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$96 Roundtrip, found 5 days ago
$96
Roundtrip
found 5 days ago
Select United flight, departing Sat, Nov 1 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Mon, Nov 3, priced at $96 found 5 days ago
Mon, Sep 8 - Thu, Sep 11
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$97 Roundtrip, found 3 hours ago
$97
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Sep 8 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Sep 11, priced at $97 found 3 hours ago
Thu, Sep 18 - Fri, Sep 19
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$100 Roundtrip, found 3 hours ago
$100
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Sep 18 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Fri, Sep 19, priced at $100 found 3 hours ago
Wed, Oct 22 - Thu, Oct 23
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$102 Roundtrip, found 5 hours ago
$102
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 22 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Thu, Oct 23, priced at $102 found 5 hours ago
Thu, Sep 11 - Sat, Sep 13
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$104 Roundtrip, found 12 hours ago
$104
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Sep 11 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $104 found 12 hours ago
Thu, Oct 30 - Mon, Nov 3
MSP
Minneapolis - St. Paul Intl.
ORD
O'Hare Intl.
$104 Roundtrip, found 10 hours ago
$104
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Oct 30 from Minneapolis - St. Paul Intl. to O'Hare Intl., returning Mon, Nov 3, priced at $104 found 10 hours ago

Frequently asked questions

What route does flight number UA503 take?
UA503 flies straight from IAH to Tampa Intl. Airport (TPA) in about 2 hours and 7 minutes. It can sometimes take other routes though, some of which could be multi-stop trips. Keep this in mind when locking in your seat to avoid any mix-ups.
What terminal does UA503 fly out of?
Terminal C is where you'll likely take off from if you're booked on a flight out of Houston Airport. George Bush Intercontinental Airport (IAH) to TPA is the most commonly traveled route for flight number UA503.
What kind of plane is on flight number UA503?
It's highly likely you'll be hopping on board an Airbus A319 if you're on flight UA503 from Houston, TX Airport (IAH-George Bush Intercontinental) to Tampa, FL Airport (TPA-Tampa Intl.). It's the most commonly used aircraft on this busy 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 UA503 flight with Travelocity, please visit our Customer Service Portal.