United Flight UA5437 Deals & Information (2025/2026)

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United Flight 5437 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $223 and $214 for one-way flights to Duluth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 11 - Sat, Dec 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$223 Roundtrip, found 19 hours ago
$223
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sat, Dec 13, priced at $223 found 19 hours ago
Thu, Dec 11 - Sun, Dec 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$272 Roundtrip, found 19 hours ago
$272
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sun, Dec 14, priced at $272 found 19 hours ago
Thu, Dec 11 - Sat, Dec 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$279 Roundtrip, found 19 hours ago
$279
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sat, Dec 13, priced at $279 found 19 hours ago
Fri, Aug 1 - Mon, Aug 4
ORD
O'Hare Intl.
DLH
Duluth Intl.
$281 Roundtrip, found 5 hours ago
$281
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Duluth Intl., returning Mon, Aug 4, priced at $281 found 5 hours ago
Thu, Dec 11 - Sat, Dec 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$283 Roundtrip, found 19 hours ago
$283
Roundtrip
found 19 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sat, Dec 13, priced at $283 found 19 hours ago
Sun, Aug 3 - Thu, Aug 7
ORD
O'Hare Intl.
DLH
Duluth Intl.
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 3 from O'Hare Intl. to Duluth Intl., returning Thu, Aug 7, priced at $292 found 1 day ago
Fri, Aug 1 - Mon, Aug 4
ORD
O'Hare Intl.
DLH
Duluth Intl.
$312 Roundtrip, found 5 hours ago
$312
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Duluth Intl., returning Mon, Aug 4, priced at $312 found 5 hours ago
Fri, Aug 1 - Mon, Aug 4
ORD
O'Hare Intl.
DLH
Duluth Intl.
$317 Roundtrip, found 5 hours ago
$317
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Duluth Intl., returning Mon, Aug 4, priced at $317 found 5 hours ago
Fri, Jun 27 - Sun, Jun 29
ORD
O'Hare Intl.
DLH
Duluth Intl.
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 27 from O'Hare Intl. to Duluth Intl., returning Sun, Jun 29, priced at $319 found 1 day ago
Sun, Aug 3 - Thu, Aug 7
ORD
O'Hare Intl.
DLH
Duluth Intl.
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 3 from O'Hare Intl. to Duluth Intl., returning Thu, Aug 7, priced at $322 found 1 day 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.