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Flights from South Bend to Dubuque

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

      • SBN 18:22
        24h 33m
        1 stop
        DBQ 17:55
        South Bend - Dubuque | Fri, Dec 19 | United Airlines
        DBQ 07:15
        6h 42m
        1 stop
        SBN 14:57
        Dubuque - South Bend | Tue, Dec 23 | Denver Air Connection
        JPY 163,193 JPY 189,760
        14% OFF
        14% OFF
        JPY 189,760 JPY 163,193
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        DBQ 15:00
        6h
        Direct
        SBN 16:00
        Dubuque - South Bend | Wed, Dec 17 | Normal Airline
        Find More Flights
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      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
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      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search
      • SBN 13:00
        17h 25m
        1 stop
        DBQ Invalid Date
        South Bend - Dubuque | Mon, Dec 15 | Normal Airline
        Search
        Search

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

Flight details for South Bend to Dubuque

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

Cheapest round-trip ticket priceJPY 163,193
Off-season for travelSeptember
Peak season for travelOctober
Flight distance371.13 km

Find the best time to fly from South Bend to Dubuque

The cheapest time for South Bend to Dubuque flights: Dec 14 to Dec 21 — one way flight prices from JPY 163,193.

Cheapest flights
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

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

Flight FAQs

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

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from South Bend to Dubuque 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 South Bend to Dubuque, 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 Dubuque travel is around October.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from South Bend to Dubuque is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from South Bend to Dubuque on December 19, 2025 with United Airlines, with prices starting at JPY 121,925.
  • The time difference between Dubuque and South Bend 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.