United Flight 5437 Deals & Information (2025/2026)

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United Flight 5437 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $179 and $209 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 10 - Mon, Oct 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from O'Hare Intl. to Duluth Intl., returning Mon, Oct 13, priced at $179 found 5 days ago
Sat, Oct 4 - Mon, Oct 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to Duluth Intl., returning Mon, Oct 6, priced at $191 found 6 days ago
Sat, Oct 4 - Mon, Oct 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$203 Roundtrip, found 6 days ago
$203
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to Duluth Intl., returning Mon, Oct 6, priced at $203 found 6 days ago
Fri, Oct 17 - Sun, Oct 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$206 Roundtrip, found 5 days ago
$206
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 17 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 19, priced at $206 found 5 days ago
Fri, Oct 17 - Sun, Oct 19
ORD
O'Hare Intl.
DLH
Duluth Intl.
$231 Roundtrip, found 5 days ago
$231
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 17 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 19, priced at $231 found 5 days ago
Fri, Oct 10 - Mon, Oct 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from O'Hare Intl. to Duluth Intl., returning Mon, Oct 13, priced at $239 found 5 days ago
Sat, Oct 4 - Sun, Oct 5
ORD
O'Hare Intl.
DLH
Duluth Intl.
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to Duluth Intl., returning Sun, Oct 5, priced at $242 found 6 days ago
Fri, Oct 10 - Mon, Oct 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from O'Hare Intl. to Duluth Intl., returning Mon, Oct 13, priced at $247 found 5 days ago
Fri, Nov 21 - Sun, Nov 23
ORD
O'Hare Intl.
DLH
Duluth Intl.
$247 Roundtrip, found 2 days ago
$247
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 21 from O'Hare Intl. to Duluth Intl., returning Sun, Nov 23, priced at $247 found 2 days ago
Sat, Oct 4 - Mon, Oct 6
ORD
O'Hare Intl.
DLH
Duluth Intl.
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from O'Hare Intl. to Duluth Intl., returning Mon, Oct 6, priced at $252 found 6 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.