United Flight UA5437 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 $223 and $209 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 14 hours ago
$223
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sat, Dec 13, priced at $223 found 14 hours ago
Thu, Dec 11 - Sun, Dec 14
ORD
O'Hare Intl.
DLH
Duluth Intl.
$272 Roundtrip, found 14 hours ago
$272
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sun, Dec 14, priced at $272 found 14 hours ago
Thu, Dec 11 - Sat, Dec 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$279 Roundtrip, found 14 hours ago
$279
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sat, Dec 13, priced at $279 found 14 hours ago
Fri, Aug 1 - Mon, Aug 4
ORD
O'Hare Intl.
DLH
Duluth Intl.
$281 Roundtrip, just found
$281
Roundtrip
just found
Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Duluth Intl., returning Mon, Aug 4, priced at $281 just found
Thu, Dec 11 - Sat, Dec 13
ORD
O'Hare Intl.
DLH
Duluth Intl.
$283 Roundtrip, found 14 hours ago
$283
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Dec 11 from O'Hare Intl. to Duluth Intl., returning Sat, Dec 13, priced at $283 found 14 hours ago
Sun, Aug 3 - Thu, Aug 7
ORD
O'Hare Intl.
DLH
Duluth Intl.
$292 Roundtrip, found 21 hours ago
$292
Roundtrip
found 21 hours ago
Select United flight, departing Sun, Aug 3 from O'Hare Intl. to Duluth Intl., returning Thu, Aug 7, priced at $292 found 21 hours ago
Fri, Aug 1 - Mon, Aug 4
ORD
O'Hare Intl.
DLH
Duluth Intl.
$312 Roundtrip, just found
$312
Roundtrip
just found
Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Duluth Intl., returning Mon, Aug 4, priced at $312 just found
Fri, Aug 1 - Mon, Aug 4
ORD
O'Hare Intl.
DLH
Duluth Intl.
$317 Roundtrip, just found
$317
Roundtrip
just found
Select United flight, departing Fri, Aug 1 from O'Hare Intl. to Duluth Intl., returning Mon, Aug 4, priced at $317 just found
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 21 hours ago
$322
Roundtrip
found 21 hours ago
Select United flight, departing Sun, Aug 3 from O'Hare Intl. to Duluth Intl., returning Thu, Aug 7, priced at $322 found 21 hours 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.