United Flight UA5437 Deals & Information (2025/2026)

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United Flight 5437 Route Deals From $211

The cheapest prices found with in the last 7 days for return flights were $185 and $211 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 3 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $185 found 1 day ago
Sat, Sep 6 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$187 Roundtrip, found 4 days ago
$187
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 6 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $187 found 4 days ago
Wed, Sep 3 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$188 Roundtrip, found 1 day ago
$188
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $188 found 1 day ago
Thu, Nov 6 - Tue, Nov 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$200 Roundtrip, found 20 hours ago
$200
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Nov 6 from O'Hare Intl. to Duluth Intl., returning Tue, Nov 11, priced at $200 found 20 hours ago
Wed, Sep 3 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $207 found 1 day ago
Wed, Sep 3 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $210 found 1 day ago
Thu, Nov 6 - Tue, Nov 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$214 Roundtrip, found 20 hours ago
$214
Roundtrip
found 20 hours ago
Select United flight, departing Thu, Nov 6 from O'Hare Intl. to Duluth Intl., returning Tue, Nov 11, priced at $214 found 20 hours ago
Wed, Sep 3 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $218 found 1 day ago
Wed, Sep 3 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $221 found 1 day ago
Sat, Sep 6 - Wed, Sep 10
ORD
O'Hare Intl.
DLH
Duluth Intl.
$226 Roundtrip, found 4 days ago
$226
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 6 from O'Hare Intl. to Duluth Intl., returning Wed, Sep 10, priced at $226 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.