United Flight 5773 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 5773 Route Deals From $266

The cheapest prices found with in the last 7 days for return flights were $269 and $266 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 5 - Sat, Sep 12
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$269 Roundtrip, just found
$269
Roundtrip
just found
Select United flight, departing Sat, Sep 5 from Lehigh Valley Intl. to O'Hare Intl., returning Sat, Sep 12, priced at $269 just found
Sat, Sep 5 - Sat, Sep 12
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$278 Roundtrip, just found
$278
Roundtrip
just found
Select United flight, departing Sat, Sep 5 from Lehigh Valley Intl. to O'Hare Intl., returning Sat, Sep 12, priced at $278 just found
Wed, Sep 2 - Tue, Sep 8
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$310 Roundtrip, found 1 day ago
$310
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 2 from Lehigh Valley Intl. to O'Hare Intl., returning Tue, Sep 8, priced at $310 found 1 day ago
Sat, Jun 27 - Sun, Jun 28
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$312 Roundtrip, found 3 days ago
$312
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jun 27 from Lehigh Valley Intl. to O'Hare Intl., returning Sun, Jun 28, priced at $312 found 3 days ago
Wed, May 20 - Sat, May 23
ABE
Lehigh Valley Intl.
ORD
O'Hare Intl.
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 20 from Lehigh Valley Intl. to O'Hare Intl., returning Sat, May 23, priced at $316 found 3 days ago

Frequently asked questions

What route does flight number UA5773 take?
UA5773 jets from Lambert-St. Louis Intl. Airport (STL) to Houston, TX Airport (IAH-George Bush Intercontinental) and flies direct. This trip takes 2 hours and 10 minutes.
What terminal does UA5773 fly out of?
Flight number UA5773 runs between STL and Houston Airport, and passengers with a seat on this flight usually jet off from Terminal 1.
What kind of plane is on flight number UA5773?
The route for UA5773 is usually Lambert Field to Houston Airport, and the Embraer 175 is the type of aircraft you're likely to be traveling aboard.
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 UA5773 flight with Travelocity, please visit our Customer Service Portal.