United Flight 5437 Deals & Information (2025/2026)

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United Flight 5437 Route Deals From $212

The cheapest prices found with in the last 7 days for return flights were $213 and $212 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 21 - Sat, Nov 22
ORD
O'Hare Intl.
DLH
Duluth Intl.
$213 Roundtrip, found 6 hours ago
$213
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Nov 21 from O'Hare Intl. to Duluth Intl., returning Sat, Nov 22, priced at $213 found 6 hours ago
Fri, Nov 14 - Mon, Nov 17
ORD
O'Hare Intl.
DLH
Duluth Intl.
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 14 from O'Hare Intl. to Duluth Intl., returning Mon, Nov 17, priced at $239 found 4 days ago
Fri, Nov 14 - Fri, Nov 21
ORD
O'Hare Intl.
DLH
Duluth Intl.
$254 Roundtrip, found 4 days ago
$254
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 14 from O'Hare Intl. to Duluth Intl., returning Fri, Nov 21, priced at $254 found 4 days ago
Fri, Nov 21 - Sat, Nov 22
ORD
O'Hare Intl.
DLH
Duluth Intl.
$274 Roundtrip, found 6 hours ago
$274
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Nov 21 from O'Hare Intl. to Duluth Intl., returning Sat, Nov 22, priced at $274 found 6 hours ago
Thu, Nov 20 - Thu, Nov 27
ORD
O'Hare Intl.
DLH
Duluth Intl.
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select United flight, departing Thu, Nov 20 from O'Hare Intl. to Duluth Intl., returning Thu, Nov 27, priced at $284 found 1 day ago
Fri, Nov 21 - Sat, Nov 22
ORD
O'Hare Intl.
DLH
Duluth Intl.
$345 Roundtrip, found 6 hours ago
$345
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Nov 21 from O'Hare Intl. to Duluth Intl., returning Sat, Nov 22, priced at $345 found 6 hours ago
Thu, Feb 12 - Mon, Feb 16
ORD
O'Hare Intl.
DLH
Duluth Intl.
$371 Roundtrip, found 1 hour ago
$371
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Feb 12 from O'Hare Intl. to Duluth Intl., returning Mon, Feb 16, priced at $371 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.