United Flight 5437 Deals & Information (2026/2027)

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United Flight 5437 Route Deals From $246

The cheapest prices found with in the last 7 days for return flights were $246 and $246 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 11 - Mon, Sep 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$246 Roundtrip, found 7 hours ago
$246
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 11 from O'Hare Intl. to Duluth Intl., returning Mon, Sep 14, priced at $246 found 7 hours ago
Thu, Aug 20 - Sat, Aug 29
ORD
O'Hare Intl.
DLH
Duluth Intl.
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Duluth Intl., returning Sat, Aug 29, priced at $249 found 6 days ago
Fri, Sep 11 - Mon, Sep 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$273 Roundtrip, found 7 hours ago
$273
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 11 from O'Hare Intl. to Duluth Intl., returning Mon, Sep 14, priced at $273 found 7 hours ago
Thu, Aug 20 - Sat, Aug 29
ORD
O'Hare Intl.
DLH
Duluth Intl.
$289 Roundtrip, found 6 days ago
$289
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Duluth Intl., returning Sat, Aug 29, priced at $289 found 6 days ago
Fri, Sep 11 - Sun, Sep 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$291 Roundtrip, found 6 days ago
$291
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 11 from O'Hare Intl. to Duluth Intl., returning Sun, Sep 13, priced at $291 found 6 days ago
Fri, Sep 11 - Mon, Sep 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$302 Roundtrip, found 7 hours ago
$302
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 11 from O'Hare Intl. to Duluth Intl., returning Mon, Sep 14, priced at $302 found 7 hours ago
Fri, Sep 11 - Mon, Sep 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$305 Roundtrip, found 7 hours ago
$305
Roundtrip
found 7 hours ago
Select United flight, departing Fri, Sep 11 from O'Hare Intl. to Duluth Intl., returning Mon, Sep 14, priced at $305 found 7 hours ago
Thu, Aug 20 - Sat, Aug 29
ORD
O'Hare Intl.
DLH
Duluth Intl.
$307 Roundtrip, found 6 days ago
$307
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Duluth Intl., returning Sat, Aug 29, priced at $307 found 6 days ago
Thu, Aug 20 - Sat, Aug 29
ORD
O'Hare Intl.
DLH
Duluth Intl.
$310 Roundtrip, found 6 days ago
$310
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 20 from O'Hare Intl. to Duluth Intl., returning Sat, Aug 29, priced at $310 found 6 days ago
Sun, May 31 - Sun, Jun 7
ORD
O'Hare Intl.
DLH
Duluth Intl.
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 31 from O'Hare Intl. to Duluth Intl., returning Sun, Jun 7, priced at $314 found 1 day 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.