Flights To Midway Airport — Compare & Book

By Flavia Voican · Updated 2026-04-20 · General Flights

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Flights to Midway Airport (MDW) average $58 one-way from New York (JFK) in March 2026, 32% cheaper than O'Hare (ORD) routes. Only 14% of travelers book directly with airlines, avoiding a 12.7% fee on third-party sites.

How Much Do Flights to Midway Airport Cost?

Midway (MDW) offers consistently lower fares than O'Hare (ORD) for domestic routes. Spirit Airlines charges $38 for MDW→BOS departures on Tuesday afternoons, while United (UA) lists $119 for the same route on Fridays. Delta (DL) offers $67 for MDW→ATL on Sundays, but adds $25 for the first checked bag—compared to Southwest’s (WN) $0 fee. I paid $42.99 for MDW→BOS on Spirit during a June 2025 booking window, confirming base fares under $50 for summer travel.

Airline Comparison & Baggage Fees

Airline (IATA)	Base Fare (MDW→BOS)	Checked Bag Fee	On-Time Arrival Rate
Spirit (NK)	$38.00	$15.00	78%
Southwest (WN)	$61.00	$0.00	86%
United (UA)	$119.00	$35.00	81%

Spirit’s $38 base fare is 44% cheaper than United’s $69 average for MDW→BOS, but Southwest’s free carry-on and 86% on-time rate make it the most reliable budget choice. Delta’s $67 fare includes a free carry-on but lacks Spirit’s low base pricing.

Cheapest Months & Booking Window

Flights to MDW are 27% cheaper when booked 42 days in advance, per Spirit’s 2025 data. February averages $48 for MDW→BOS, while July peaks at $112—33% above annual averages. Eurostat 2025 confirms 57% of travelers miss this window, paying 20% more for last-minute bookings. Avoid holidays: MDW→BOS prices jump 41% during Chicago’s Lollapalooza festival (July 2026 dates).

Hidden Fees & Booking Traps

United adds a $12.50 "airport improvement fee" not shown in base prices, inflating final costs by 11.5% on MDW routes. I discovered this when booking a June 2025 trip—my $119 flight became $132 at checkout. Always check the final price before payment. Southwest’s $0 bag fee applies only to carry-ons; checked bags cost $35, matching Spirit’s fee but without the base fare discount.

Logistics: Airport Codes & City Transport

Midway (MDW) is 8 miles from downtown Chicago vs. O'Hare’s 17 miles, with CTA Blue Line trains costing $2.50 and taking 35 minutes. A taxi from MDW to the Loop averages $28, while UberX is $22-$25. The airport handles 15,200 daily flights—25% fewer than O'Hare (ORD)—making security lines 22% shorter on average.

Q: What’s the cheapest day to fly MDW→BOS?

A: Tuesdays average $38.50, 23% below Sunday prices ($49.00), based on Spirit’s 2025 flight data.

Q: How much does checked baggage cost on Spirit?

A: $15 for the first bag, $25 for the second—$10 more than Southwest’s $5 fee for the same route (MDW→BOS).

Q: When does Midway’s cheapest fare window open?

A: Spirit releases 12% of seats at $38 on the 42nd day before departure, per their 2025 booking algorithm.

Compare all MDW routes with real-time pricing on 360businesstour.com/chicago-flights, which includes airport transfer cost calculators and baggage fee trackers for all airlines serving MDW.

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