United Flight UA5643 Deals & Information (2025/2026)

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United Flight 5643 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $186 and $214 for one-way flights to Santa Fe Municipal for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 30 - Sun, Aug 31
DEN
Denver Intl.
SAF
Santa Fe Municipal
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 30 from Denver Intl. to Santa Fe Municipal, returning Sun, Aug 31, priced at $186 found 4 days ago
Thu, Aug 7 - Mon, Aug 11
DEN
Denver Intl.
SAF
Santa Fe Municipal
$191 Roundtrip, found 1 day ago
$191
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 7 from Denver Intl. to Santa Fe Municipal, returning Mon, Aug 11, priced at $191 found 1 day ago
Mon, Jul 28 - Mon, Aug 4
DEN
Denver Intl.
SAF
Santa Fe Municipal
$193 Roundtrip, found 6 days ago
$193
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jul 28 from Denver Intl. to Santa Fe Municipal, returning Mon, Aug 4, priced at $193 found 6 days ago
Mon, Jul 28 - Mon, Aug 4
DEN
Denver Intl.
SAF
Santa Fe Municipal
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jul 28 from Denver Intl. to Santa Fe Municipal, returning Mon, Aug 4, priced at $199 found 6 days ago
Sat, Oct 11 - Mon, Oct 13
DEN
Denver Intl.
SAF
Santa Fe Municipal
$215 Roundtrip, found 5 days ago
$215
Roundtrip
found 5 days ago
Select United flight, departing Sat, Oct 11 from Denver Intl. to Santa Fe Municipal, returning Mon, Oct 13, priced at $215 found 5 days ago
Sat, Aug 30 - Sun, Aug 31
DEN
Denver Intl.
SAF
Santa Fe Municipal
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 30 from Denver Intl. to Santa Fe Municipal, returning Sun, Aug 31, priced at $217 found 4 days ago
Thu, Aug 7 - Mon, Aug 11
DEN
Denver Intl.
SAF
Santa Fe Municipal
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 7 from Denver Intl. to Santa Fe Municipal, returning Mon, Aug 11, priced at $222 found 1 day ago
Wed, Jul 30 - Wed, Aug 6
DEN
Denver Intl.
SAF
Santa Fe Municipal
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 30 from Denver Intl. to Santa Fe Municipal, returning Wed, Aug 6, priced at $222 found 2 days ago
Sat, Aug 30 - Sun, Aug 31
DEN
Denver Intl.
SAF
Santa Fe Municipal
$247 Roundtrip, found 4 days ago
$247
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 30 from Denver Intl. to Santa Fe Municipal, returning Sun, Aug 31, priced at $247 found 4 days ago
Tue, Jul 29 - Tue, Aug 5
DEN
Denver Intl.
SAF
Santa Fe Municipal
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 29 from Denver Intl. to Santa Fe Municipal, returning Tue, Aug 5, priced at $248 found 2 days ago

Frequently asked questions

What route does flight number UA5643 take?
UA5643 jets between Idaho Falls Regional Airport (IDA) and Denver Intl. Airport (DEN) and is a direct flight. This journey takes 1 hour and 37 minutes.
How often is UA5643 on time?
United Airlines flight number UA5643 between Idaho Falls, ID Airport (IDA-Idaho Falls Regional) and DEN operates as scheduled 86% of the time — so you can relax with confidence knowing that you will reach your destination ASAP. If your journey is late, you'll probably wait 20 minutes. This route has a star rating of 3.5.
What kind of plane is on flight number UA5643?
The Embraer 175 is the aircraft model most commonly used for flight UA5643. This flight nearly always sets off from Idaho Falls Regional Airport (IDA) and lands at DIA airport.
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 UA5643 flight with Travelocity, please visit our Customer Service Portal.