United Flight 5437 Deals & Information (2026/2027)

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United Flight 5437 Route Deals From $242

The cheapest prices found with in the last 7 days for return flights were $239 and $242 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 3 - Sun, Sep 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Duluth Intl., returning Sun, Sep 6, priced at $239 found 2 days ago
Thu, Sep 3 - Sun, Sep 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$252 Roundtrip, found 2 days ago
$252
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Duluth Intl., returning Sun, Sep 6, priced at $252 found 2 days ago
Thu, Sep 24 - Thu, Oct 15
ORD
O'Hare Intl.
DLH
Duluth Intl.
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 24 from O'Hare Intl. to Duluth Intl., returning Thu, Oct 15, priced at $254 found 5 days ago
Thu, Sep 24 - Thu, Oct 15
ORD
O'Hare Intl.
DLH
Duluth Intl.
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 24 from O'Hare Intl. to Duluth Intl., returning Thu, Oct 15, priced at $269 found 5 days ago
Fri, Aug 7 - Sun, Aug 16
ORD
O'Hare Intl.
DLH
Duluth Intl.
$275 Roundtrip, just found
$275
Roundtrip
just found
Select United flight, departing Fri, Aug 7 from O'Hare Intl. to Duluth Intl., returning Sun, Aug 16, priced at $275 just found
Thu, Sep 3 - Sun, Sep 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Duluth Intl., returning Sun, Sep 6, priced at $279 found 2 days ago
Thu, Sep 24 - Thu, Oct 15
ORD
O'Hare Intl.
DLH
Duluth Intl.
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 24 from O'Hare Intl. to Duluth Intl., returning Thu, Oct 15, priced at $281 found 5 days ago
Fri, Aug 7 - Sun, Aug 16
ORD
O'Hare Intl.
DLH
Duluth Intl.
$286 Roundtrip, just found
$286
Roundtrip
just found
Select United flight, departing Fri, Aug 7 from O'Hare Intl. to Duluth Intl., returning Sun, Aug 16, priced at $286 just found
Fri, Aug 7 - Sun, Aug 16
ORD
O'Hare Intl.
DLH
Duluth Intl.
$290 Roundtrip, just found
$290
Roundtrip
just found
Select United flight, departing Fri, Aug 7 from O'Hare Intl. to Duluth Intl., returning Sun, Aug 16, priced at $290 just found
Thu, Sep 3 - Sun, Sep 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$292 Roundtrip, found 2 days ago
$292
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 3 from O'Hare Intl. to Duluth Intl., returning Sun, Sep 6, priced at $292 found 2 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.