Travel with Axel,
get the best price.

Route overview: Denver to Sioux City (SUX) flight deals

Denver → Sioux City

Feb 10, 2027 · choose your return date

DEN → SUX1 adulteconomyOne way and round trips

15 flight options · 1 airline

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

February 2027

Feb 10, 2027 · One wayUnited AirlinesNonstop$210.00 Feb 10, 2027 – Feb 11, 2027 · 1 nightUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 12, 2027 · 2 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 13, 2027 · 3 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 14, 2027 · 4 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 15, 2027 · 5 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 16, 2027 · 6 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 17, 2027 · 7 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 18, 2027 · 8 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 19, 2027 · 9 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 20, 2027 · 10 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 21, 2027 · 11 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 22, 2027 · 12 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 23, 2027 · 13 nightsUnited AirlinesNonstop$390.00 Feb 10, 2027 – Feb 24, 2027 · 14 nightsUnited AirlinesNonstop$390.00

Flights for your trip

  1. Wed, Feb 10 · One way

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX

    One-way total · 1 adult · Taxes included

  2. Wed, Feb 10 – Thu, Feb 11

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:44 pmSUX
    1h 56m
    Nonstop
    7:40 pmDEN

    Round-trip total · 1 adult · Taxes included

  3. Wed, Feb 10 – Fri, Feb 12

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  4. Wed, Feb 10 – Sat, Feb 13

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  5. Wed, Feb 10 – Sun, Feb 14

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  6. Wed, Feb 10 – Tue, Feb 16

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  7. Wed, Feb 10 – Wed, Feb 17

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  8. Wed, Feb 10 – Thu, Feb 18

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:44 pmSUX
    1h 56m
    Nonstop
    7:40 pmDEN

    Round-trip total · 1 adult · Taxes included

  9. Wed, Feb 10 – Sat, Feb 20

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  10. Wed, Feb 10 – Sun, Feb 21

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  11. Wed, Feb 10 – Mon, Feb 22

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

  12. Wed, Feb 10 – Wed, Feb 24

    United Airlines
    9:05 pmDEN
    1h 38m
    Nonstop
    11:43 pmSUX
    United Airlines
    6:45 pmSUX
    1h 56m
    Nonstop
    7:41 pmDEN

    Round-trip total · 1 adult · Taxes included

Swipe to see 11 more recent deals.

1 of 12

Make this trip yours

DEN ⇄ SUX

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

Explore this route

All dates for this routeFeb 9, 2027 · Return optionsFeb 11, 2027 · Return options
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-02-10 · one wayUnited AirlinesUA6062Axel-exclusive $210.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-11United AirlinesUA6062 / UA6062Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-12United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-13United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-14United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-15United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-16United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-17United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-18United AirlinesUA6062 / UA6062Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-19United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-20United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-21United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-22United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-23United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z
2027-02-10 → 2027-02-24United AirlinesUA6062 / UA5120Axel-exclusive $390.002026-10-29T01:05:09Z

Route overview: Denver to Sioux City (SUX) flight deals

2027-02-10 · one way · Axel-exclusive $210.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.

2027-02-10 → 2027-02-11 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA6062: SUX 2027-02-11 18:44:00 → DEN 2027-02-11 19:40:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-12 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-12 18:45:00 → DEN 2027-02-12 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-13 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-13 18:45:00 → DEN 2027-02-13 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-14 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-14 18:45:00 → DEN 2027-02-14 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-16 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-16 18:45:00 → DEN 2027-02-16 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-17 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-17 18:45:00 → DEN 2027-02-17 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-18 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA6062: SUX 2027-02-18 18:44:00 → DEN 2027-02-18 19:40:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-20 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-20 18:45:00 → DEN 2027-02-20 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-21 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-21 18:45:00 → DEN 2027-02-21 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-22 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-22 18:45:00 → DEN 2027-02-22 19:41:00; nonstop; 116 minutes. Local airport times.

2027-02-10 → 2027-02-24 · Axel-exclusive $390.00

  • United Airlines UA6062: DEN 2027-02-10 21:05:00 → SUX 2027-02-10 23:43:00; nonstop; 98 minutes. Local airport times.
  • United Airlines UA5120: SUX 2027-02-24 18:45:00 → DEN 2027-02-24 19:41:00; nonstop; 116 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Denver (DEN) to Sioux City (SUX) · Feb 10, 2027 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Denver to Sioux City (SUX) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.