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.

Sat, Oct 10 - Sun, Oct 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$239 Roundtrip, found 12 hours ago
$239
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 10 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 11, priced at $239 found 12 hours ago
Sat, Aug 8 - Sat, Aug 15
ORD
O'Hare Intl.
DLH
Duluth Intl.
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 8 from O'Hare Intl. to Duluth Intl., returning Sat, Aug 15, priced at $244 found 2 days ago
Sat, Oct 10 - Sun, Oct 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$254 Roundtrip, found 12 hours ago
$254
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 10 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 11, priced at $254 found 12 hours ago
Wed, Aug 5 - Wed, Aug 12
ORD
O'Hare Intl.
DLH
Duluth Intl.
$260 Roundtrip, found 3 hours ago
$260
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Aug 5 from O'Hare Intl. to Duluth Intl., returning Wed, Aug 12, priced at $260 found 3 hours ago
Thu, Aug 6 - Tue, Aug 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$275 Roundtrip, found 4 days ago
$275
Roundtrip
found 4 days ago
Select United flight, departing Thu, Aug 6 from O'Hare Intl. to Duluth Intl., returning Tue, Aug 11, priced at $275 found 4 days ago
Sat, Oct 10 - Sun, Oct 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$280 Roundtrip, found 12 hours ago
$280
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 10 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 11, priced at $280 found 12 hours ago
Fri, Jul 31 - Thu, Aug 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 31 from O'Hare Intl. to Duluth Intl., returning Thu, Aug 6, priced at $306 found 1 day ago
Sat, Oct 10 - Sun, Oct 11
ORD
O'Hare Intl.
DLH
Duluth Intl.
$309 Roundtrip, found 12 hours ago
$309
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Oct 10 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 11, priced at $309 found 12 hours ago
Sat, Aug 8 - Sat, Aug 15
ORD
O'Hare Intl.
DLH
Duluth Intl.
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 8 from O'Hare Intl. to Duluth Intl., returning Sat, Aug 15, priced at $316 found 2 days ago
Wed, Sep 30 - Sat, Oct 3
ORD
O'Hare Intl.
DLH
Duluth Intl.
$319 Roundtrip, found 5 days ago
$319
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 30 from O'Hare Intl. to Duluth Intl., returning Sat, Oct 3, priced at $319 found 5 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.