$126 Cheap Flights from Baltimore (BWI) to Moline (MLI)

View $126 flight on Sat, Sep 13, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Quad City Intl. Airport (MLI)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Baltimore to Moline (BWI-MLI)

Prices were available within the past 7 days and start at $126 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Aug 23 - Sun, Aug 31
BWI
Baltimore
MLI
Moline
$228 Roundtrip, found 23 hours ago
$228
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Aug 23 from Baltimore to Moline, returning Sun, Aug 31, priced at $228 found 23 hours ago
American Airlines
Sat, Aug 23 - Sun, Aug 31
BWI
Baltimore
MLI
Moline
$231 Roundtrip, found 23 hours ago
$231
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Aug 23 from Baltimore to Moline, returning Sun, Aug 31, priced at $231 found 23 hours ago
Delta
Sat, Aug 23 - Sun, Aug 31
BWI
Baltimore
MLI
Moline
$233 Roundtrip, found 23 hours ago
$233
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, Aug 23 from Baltimore to Moline, returning Sun, Aug 31, priced at $233 found 23 hours ago
United
Sat, Aug 23 - Sun, Aug 31
BWI
Baltimore
MLI
Moline
$237 Roundtrip, found 23 hours ago
$237
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Aug 23 from Baltimore to Moline, returning Sun, Aug 31, priced at $237 found 23 hours ago
American Airlines
Sat, Sep 13 - Mon, Sep 15
BWI
Baltimore
MLI
Moline
$249 Roundtrip, just found
$249
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 13 from Baltimore to Moline, returning Mon, Sep 15, priced at $249 just found
Delta
Tue, Aug 26 - Wed, Aug 27
BWI
Baltimore
MLI
Moline
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 26 from Baltimore to Moline, returning Wed, Aug 27, priced at $251 found 1 day ago
American Airlines
Sun, Aug 24 - Sat, Aug 30
BWI
Baltimore
MLI
Moline
$254 Roundtrip, found 5 hours ago
$254
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Baltimore to Moline, returning Sat, Aug 30, priced at $254 found 5 hours ago
Delta
Sun, Aug 24 - Sun, Aug 31
BWI
Baltimore
MLI
Moline
$258 Roundtrip, found 23 hours ago
$258
Roundtrip
found 23 hours ago
Select Delta flight, departing Sun, Aug 24 from Baltimore to Moline, returning Sun, Aug 31, priced at $258 found 23 hours ago
American Airlines
Sun, Aug 24 - Sat, Aug 30
BWI
Baltimore
MLI
Moline
$259 Roundtrip, found 5 hours ago
$259
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Baltimore to Moline, returning Sat, Aug 30, priced at $259 found 5 hours ago
American Airlines
Wed, Aug 13 - Wed, Aug 20
BWI
Baltimore
MLI
Moline
$259 Roundtrip, found 8 hours ago
$259
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Baltimore to Moline, returning Wed, Aug 20, priced at $259 found 8 hours ago

Find the cheapest month to fly from Baltimore (BWI) to Moline (MLI)

May is typically the cheapest month to fly

From $198 - $494 per traveler.

Graph displaying average flight prices per month

Alternative airports near Moline

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Quad City Intl. MLI. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $254
MLI
Quad City Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $254
Flights from Baltimore (BWI) to Moline (MLI)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Quad City Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$228
Distance
744 mi

Baltimore to Moline Flights

The cheapest times to fly from Baltimore to Moline

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Moline are during the month of August. You can find some of the cheapest flights from Baltimore to Moline with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Moline

Sunday is one of the best days to book for cheap flights from Baltimore to Moline: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Moline

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Moline in 2025. You can also book with separate airlines for your outbound and return journeys, from $126 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Moline flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Moline airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI) cost?
Discover the latest flight deals from BWI to MLI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BWI to MLI?
The cheapest flights from BWI to MLI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BWI to MLI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BWI to MLI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI)?
You'll need to take a flight with a layover when traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BWI to MLI?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI)?
Select a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI) last-minute?
Last-minute bookings from BWI to MLI are generally more expensive. For the lowest prices, start looking for flights early. That said, if your travel plans are flexible, you may score a cheap ticket just before your departure.
Is it cheaper to book a BWI to MLI flight and hotel package?
Compared with arranging flights and hotels separately, booking a BWI to MLI flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Quad City Intl. Airport (MLI)?
If you booked your BWI to MLI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.