United Flight 643 Deals & Information (2025/2026)

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United Flight 643 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $137 and $70 for one-way flights to Wichita Dwight D. Eisenhower National for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$137 Roundtrip, found 3 days ago
$137
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $137 found 3 days ago
Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $167 found 3 days ago
Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $185 found 3 days ago
Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$202 Roundtrip, found 3 days ago
$202
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $202 found 3 days ago
Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$218 Roundtrip, found 3 days ago
$218
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $218 found 3 days ago
Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$220 Roundtrip, found 3 days ago
$220
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $220 found 3 days ago
Mon, Sep 15 - Wed, Sep 17
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Wed, Sep 17, priced at $246 found 3 days ago
Fri, Aug 8 - Tue, Aug 12
DEN
Denver Intl.
ICT
Wichita Dwight D. Eisenhower National
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select United flight, departing Fri, Aug 8 from Denver Intl. to Wichita Dwight D. Eisenhower National, returning Tue, Aug 12, priced at $285 found 1 day ago

Frequently asked questions

What route does flight number UA643 take?
UA643 takes approximately 5 hours and 3 minutes to jet directly from Kona Intl. Airport (KOA) to San Francisco, CA Airport (SFO-San Francisco Intl.). Sure, there's magic in the destination, but getting there is half the fun!
How often is UA643 on time?
United Airlines flight number UA643 from Kailua-Kona, HI Airport (KOA-Kona Intl.) to SFO runs on time 100% of the time --- so you can relax knowing that you'll reach your destination ASAP. If this service happens to be late, you'll probably wait roughly 6 minutes. This route has a 4.55-star rating.
What kind of plane is on flight number UA643?
The route for UA643 is most commonly KOA to SFO, and the Boeing 737-900 is the type of plane you're likely to be heading off on.
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 UA643 flight with Travelocity, please visit our Customer Service Portal.