United Flight 5437 Deals & Information (2026/2027)

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United Flight 5437 Route Deals From $239

The cheapest prices found with in the last 7 days for return flights were $239 and $239 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 16 - Tue, Jul 21
ORD
O'Hare Intl.
DLH
Duluth Intl.
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 16 from O'Hare Intl. to Duluth Intl., returning Tue, Jul 21, priced at $239 found 4 days ago
Tue, May 26 - Mon, Jun 1
ORD
O'Hare Intl.
DLH
Duluth Intl.
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 26 from O'Hare Intl. to Duluth Intl., returning Mon, Jun 1, priced at $244 found 4 days ago
Thu, Jul 16 - Tue, Jul 21
ORD
O'Hare Intl.
DLH
Duluth Intl.
$252 Roundtrip, found 4 days ago
$252
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 16 from O'Hare Intl. to Duluth Intl., returning Tue, Jul 21, priced at $252 found 4 days ago
Tue, May 26 - Mon, Jun 1
ORD
O'Hare Intl.
DLH
Duluth Intl.
$253 Roundtrip, found 4 days ago
$253
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 26 from O'Hare Intl. to Duluth Intl., returning Mon, Jun 1, priced at $253 found 4 days ago
Tue, May 26 - Mon, Jun 1
ORD
O'Hare Intl.
DLH
Duluth Intl.
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 26 from O'Hare Intl. to Duluth Intl., returning Mon, Jun 1, priced at $257 found 4 days ago
Tue, May 26 - Mon, Jun 1
ORD
O'Hare Intl.
DLH
Duluth Intl.
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 26 from O'Hare Intl. to Duluth Intl., returning Mon, Jun 1, priced at $266 found 4 days ago
Sat, Jun 13 - Sun, Jun 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$271 Roundtrip, found 4 days ago
$271
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Sun, Jun 14, priced at $271 found 4 days ago
Sat, May 16 - Tue, May 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from O'Hare Intl. to Duluth Intl., returning Tue, May 19, priced at $289 found 6 days ago
Sat, May 16 - Tue, May 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from O'Hare Intl. to Duluth Intl., returning Tue, May 19, priced at $298 found 6 days ago
Thu, Jul 16 - Tue, Jul 21
ORD
O'Hare Intl.
DLH
Duluth Intl.
$302 Roundtrip, found 4 days ago
$302
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 16 from O'Hare Intl. to Duluth Intl., returning Tue, Jul 21, priced at $302 found 4 days ago

Frequently asked questions

What route does flight number UA5437 take?
UA5437 is used on multiple routes, but the most common is between San Francisco, CA Airport (SFO-San Francisco Intl.) and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). If you manage to score a direct flight, you'll stroll through arrivals in approximately 2 hours and 10 minutes. Multi-stop flights can also travel under this number, as can services on other routes.
What terminal does UA5437 fly out of?
You'll probably board the plane from Terminal 3 if you're flying out of San Francisco Intl. Airport (SFO). Flight number UA5437 serves several different routes, but the direct flight between San Francisco, CA Airport (SFO-San Francisco Intl.) and SEA is the most popular.
What kind of plane is on flight number UA5437?
It's possible you'll be on board the Embraer 175 if you've booked a fare from San Francisco Intl. Airport (SFO) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), one of a few routes used for flight UA5437.
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 UA5437 flight with Travelocity, please visit our Customer Service Portal.