Flight Destinations in Rock Island County

View ฿8,975 flight on Mon, 29 Jun 2026Opens in a new window

Popular airlines to Rock Island County

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Alaska Airlines

  • Spirit Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Rock Island County

Prices were available within the past 7 days and start at ฿8,975 for one-way flights and ฿14,925 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿14,925 Return, found 18 hours ago
฿14,925
Return
found 18 hours ago
Select American Airlines flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿14,925 found 18 hours ago
American Airlines
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿16,270 Return, found 18 hours ago
฿16,270
Return
found 18 hours ago
Select American Airlines flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿16,270 found 18 hours ago
Delta
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿16,540 Return, found 18 hours ago
฿16,540
Return
found 18 hours ago
Select Delta flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿16,540 found 18 hours ago
American Airlines
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿17,045 Return, found 18 hours ago
฿17,045
Return
found 18 hours ago
Select American Airlines flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿17,045 found 18 hours ago
Delta
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿17,145 Return, found 18 hours ago
฿17,145
Return
found 18 hours ago
Select Delta flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿17,145 found 18 hours ago
Delta
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿17,830 Return, found 18 hours ago
฿17,830
Return
found 18 hours ago
Select Delta flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿17,830 found 18 hours ago
American Airlines
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿17,950 Return, found 18 hours ago
฿17,950
Return
found 18 hours ago
Select American Airlines flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿17,950 found 18 hours ago
Delta
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿18,305 Return, found 18 hours ago
฿18,305
Return
found 18 hours ago
Select Delta flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿18,305 found 18 hours ago
Delta
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿18,435 Return, found 18 hours ago
฿18,435
Return
found 18 hours ago
Select Delta flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿18,435 found 18 hours ago
United
Mon, 29 Jun - Mon, 6 Jul
DEN
Denver
MLI
Moline
฿18,445 Return, found 18 hours ago
฿18,445
Return
found 18 hours ago
Select United flight, departing Mon, 29 Jun from Denver to Moline, returning Mon, 6 Jul, priced at ฿18,445 found 18 hours ago

Frequently asked questions

How do I find cheap flights to Rock Island County that have flexible change policies?
We get that plans can change from one day to the next, so reserving a flexible airfare with Expedia is always a wise idea. Simply check the "No change fee" box directly under the "Flexible change policies" filter. Your low-cost, flexible flight to Rock Island County is only a few clicks away.
Which airlines fly to Rock Island County?
You can choose from a selection of airlines that service Rock Island County. A few of your top options are:

  • American Airlines - 121 flights to or near Rock Island County each month, including 121 flights to Quad City Intl. Airport (MLI) per month.
  • United Airlines - 108 flights to or near Rock Island County each month, including 108 flights to Quad City Intl. Airport (MLI) per month.
  • Delta Air Lines - 60 flights to or near Rock Island County each month, including 60 flights to Quad City Intl. Airport (MLI) per month.

How can I find cheap tickets to Rock Island County?
In the last seven days, ฿14,925 was the best price for a flight to Rock Island County. For an even better fare, book well ahead of time and be flexible with your travel dates. Search for your flight to Rock Island County, then check out prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to Rock Island County?
The price of a round-trip journey to Rock Island County in the last seven days fluctuated between ฿14,925 and ฿18,445. If you were journeying one way out of Denver (DEN), you could have purchased a low-cost fare from only ฿8,975.
What are the most popular airports to fly into in Rock Island County?
Start arranging your Rock Island County trip by securing a seat on one of the 325 flights a month to Quad City Intl. Airport (MLI). This is the region's primary gateway.
How much is a plane ticket to Rock Island County?
Fares to Rock Island County varied from ฿14,925 to ฿18,445 in the last seven days. Normally, the sooner you book the bigger the bargain.
What is the best time to go to Rock Island County?
A good time to check out East Moline is after June 20 when the summer season starts. In Rock Island County's major city, temperatures vary from 18ºC to 27ºC at this time — ideal weather for sightseeing! March, July and August are the most popular months to visit.
What months are the cheapest to book a flight to Rock Island County?
Snap up your ticket in February to unlock awesome flight deals to Rock Island County. December is typically the most expensive time to purchase a seat.

Explore a world of travel with Expedia

*Available to Expedia members.