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Flights from Dubuque to South Bend

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

      • DBQ 7:15 AM
        15h 5m
        1 stop
        SBN 11:20 PM
        Dubuque - South Bend | Mon, Dec 22 | Denver Air Connection
        SBN 6:22 PM
        24h 33m
        1 stop
        DBQ 5:55 PM
        South Bend - Dubuque | Fri, Dec 26 | United Airlines
        US$520 US$703
        26% OFF
        26% OFF
        US$703 US$520
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        SBN 3:00 PM
        6h
        Nonstop
        DBQ 4:00 PM
        South Bend - Dubuque | Sat, Dec 20 | Normal Airline
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      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
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      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search
      • DBQ 1:00 PM
        17h 25m
        1 stop
        SBN Invalid Date
        Dubuque - South Bend | Thu, Dec 18 | Normal Airline
        Search
        Search

Displayed flight fares from Dubuque to South Bend are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flying from Dubuque to South Bend

The distance between Dubuque and South Bend is approximately 371.13 km. Based on Trip.com's data, travel demand peaks in June. The off-season for travel is September.

Cheapest round-trip ticket priceUS$520
Off-season for travelSeptember
Peak season for travelJune
Flight distance371.13 km
Flight statistics for the Dubuque–South Bend route are based on aggregated booking data from Trip.com over the past 12 months.

When is the cheapest time to fly from Dubuque to South Bend?

The cheapest time for Dubuque to South Bend flights: Dec 21 to Dec 28 — one way flight prices from US$520.

Cheapest flights
From price
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  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Dubuque to South Bend, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • When is the best time to book flights from Dubuque to South Bend?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dubuque to South Bend is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Dubuque to South Bend, you can use various tools on Trip.com:
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for South Bend travel is around June.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Dubuque to South Bend is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Dubuque to South Bend on December 22, 2025 with Denver Air Connection, with prices starting at US$519.
  • The time difference between South Bend and Dubuque is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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