United Flight 5437 Deals & Information (2025/2026)

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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 $188 and $239 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 16 - Sun, Apr 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$188 Roundtrip, found 6 days ago
$188
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 16 from O'Hare Intl. to Duluth Intl., returning Sun, Apr 19, priced at $188 found 6 days ago
Thu, Apr 16 - Sun, Apr 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 16 from O'Hare Intl. to Duluth Intl., returning Sun, Apr 19, priced at $222 found 6 days ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $238 found 1 hour ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $257 found 1 hour ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$268 Roundtrip, found 1 hour ago
$268
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $268 found 1 hour ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$270 Roundtrip, found 1 hour ago
$270
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $270 found 1 hour ago
Thu, Apr 16 - Sun, Apr 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$283 Roundtrip, found 6 days ago
$283
Roundtrip
found 6 days ago
Select United flight, departing Thu, Apr 16 from O'Hare Intl. to Duluth Intl., returning Sun, Apr 19, priced at $283 found 6 days ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$288 Roundtrip, found 1 hour ago
$288
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $288 found 1 hour ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$298 Roundtrip, found 1 hour ago
$298
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $298 found 1 hour ago
Sat, Jun 13 - Wed, Jun 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$300 Roundtrip, found 1 hour ago
$300
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Jun 13 from O'Hare Intl. to Duluth Intl., returning Wed, Jun 17, priced at $300 found 1 hour 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.