$126 Cheap Delta flights Moline (MLI) to Baltimore (BWI)

View $126 flight on Sat, Nov 1, 2025Opens in a new window

$126 Cheap Delta flights Moline (MLI) to Baltimore (BWI)

Prices were available within the past 7 days and start at $126 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 26 - Sat, Aug 30
MLI
Moline
BWI
Baltimore
$238 Roundtrip, found 4 days ago
$238
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 26 from Moline to Baltimore, returning Sat, Aug 30, priced at $238 found 4 days ago
Delta
Tue, Oct 14 - Wed, Oct 15
MLI
Moline
BWI
Baltimore
$251 Roundtrip, found 8 hours ago
$251
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Oct 14 from Moline to Baltimore, returning Wed, Oct 15, priced at $251 found 8 hours ago
Delta
Fri, Aug 22 - Sat, Aug 30
MLI
Moline
BWI
Baltimore
$263 Roundtrip, found 4 days ago
$263
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 22 from Moline to Baltimore, returning Sat, Aug 30, priced at $263 found 4 days ago
Delta
Wed, Oct 15 - Tue, Oct 21
MLI
Moline
BWI
Baltimore
$274 Roundtrip, found 8 hours ago
$274
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Oct 15 from Moline to Baltimore, returning Tue, Oct 21, priced at $274 found 8 hours ago
Delta
Wed, Oct 29 - Sat, Nov 1
MLI
Moline
BWI
Baltimore
$299 Roundtrip, just found
$299
Roundtrip
just found
Select Delta flight, departing Wed, Oct 29 from Moline to Baltimore, returning Sat, Nov 1, priced at $299 just found
Delta
Sat, Nov 1 - Tue, Nov 4
MLI
Moline
BWI
Baltimore
$308 Roundtrip, found 3 hours ago
$308
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Nov 1 from Moline to Baltimore, returning Tue, Nov 4, priced at $308 found 3 hours ago
Flights from Moline (MLI) to Baltimore (BWI)
Origin airport
Quad City Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, United
Popular airline
Delta
Distance
744 mi

Frequently asked questions

How much is a Delta Air Lines flight from Quad City Intl. Airport (MLI) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Scoring cheap one-way Delta Air Lines flights from MLI to BWI from $126 on Expedia is a breeze — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $238 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MLI to BWI with Delta Air Lines?
Search for return or one-way flights to Baltimore in January or February. You could find a cheap fare with Delta Air Lines during these quieter months.
What is the cheapest time to book flights from Quad City Intl. Airport (MLI) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Quad City Intl. Airport (MLI) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Quad City Intl. Airport (MLI) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Click on our "Nonstop" filter when looking for direct Delta Air Lines flights from MLI to BWI. It's also a great way to compare other airlines offering the same direct route.
What is the earliest Delta Air Lines flight from MLI to BWI?
To find the earliest departure from MLI to BWI with Delta Air Lines, filter your results by "Morning" and "Early Morning." Choosing an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Baltimore?
Jump on a Delta Air Lines flight from Quad City Intl. Airport (MLI) to Baltimore, and you'll most likely arrive at Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This is the airline's main hub in this city.
Why fly with Delta Air Lines from MLI to BWI?
Traveling from MLI to BWI with Delta Air Lines comes with a range of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Quad City Intl. Airport (MLI) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Changes are typically free within 24 hours of making your booking, but your airline may add a charge after that time. For more details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without extra charges, check the "No cancel fee" or "Changes included" filter when planning your next escape.

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*Available to One Key members.