United Flight 537 Deals & Information (2026/2027)

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United Flight 537 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $279 and for one-way flights to Calgary Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 5 - Thu, Dec 10
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$279 Roundtrip, found 5 days ago
$279
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 5 from George Bush Intercontinental to Calgary Intl., returning Thu, Dec 10, priced at $279 found 5 days ago
Thu, Dec 10 - Mon, Dec 14
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$291 Roundtrip, found 8 hours ago
$291
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Dec 10 from George Bush Intercontinental to Calgary Intl., returning Mon, Dec 14, priced at $291 found 8 hours ago
Sat, Dec 5 - Thu, Dec 10
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$294 Roundtrip, found 5 days ago
$294
Roundtrip
found 5 days ago
Select United flight, departing Sat, Dec 5 from George Bush Intercontinental to Calgary Intl., returning Thu, Dec 10, priced at $294 found 5 days ago
Tue, Nov 10 - Sun, Nov 15
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 10 from George Bush Intercontinental to Calgary Intl., returning Sun, Nov 15, priced at $310 found 2 days ago
Thu, Dec 10 - Mon, Dec 14
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$319 Roundtrip, found 8 hours ago
$319
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Dec 10 from George Bush Intercontinental to Calgary Intl., returning Mon, Dec 14, priced at $319 found 8 hours ago
Tue, Nov 10 - Sun, Nov 15
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$321 Roundtrip, found 2 days ago
$321
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 10 from George Bush Intercontinental to Calgary Intl., returning Sun, Nov 15, priced at $321 found 2 days ago
Thu, Dec 10 - Mon, Dec 14
IAH
George Bush Intercontinental
YYC
Calgary Intl.
$330 Roundtrip, found 8 hours ago
$330
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Dec 10 from George Bush Intercontinental to Calgary Intl., returning Mon, Dec 14, priced at $330 found 8 hours ago

Frequently asked questions

What route does flight number UA537 take?
UA537 flies directly between O'Hare Intl. Airport (ORD) and Newark, NJ Airport (EWR-Liberty Intl.) in roughly 2 hours and 12 minutes. It can take other routes though, some of which may be multi-stop trips. Keep this in mind when locking in your airfare to avoid any confusion.
What terminal does UA537 fly out of?
You'll probably take off from Terminal 1 if you're beginning your journey at O'Hare Airport. Flight number UA537 serves several routes, but the direct flight between O'Hare Airport and Newark Airport is the most popular one.
What kind of plane is on flight number UA537?
It's likely you'll be boarding the Boeing 737-800 if you're booked on flight UA537 from Chicago, IL Airport (ORD-O'Hare Intl.) to Liberty Intl. Airport (EWR). It's the most commonly used type of aircraft on this popular 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 UA537 flight with Travelocity, please visit our Customer Service Portal.