LetsFG

Flights Baltimore → Chicago

As of June 2026, economy flights from Baltimore to Chicago have a typical range USD 135–780, median USD 251. Full range across all 503 offers: USD 120–1232. We analyzed 503 offers from 9 airlines in a single price check.

503 offersavg USD 36 in feesFresh · June 2026
Search Baltimore → Chicago — see your price →

Preview snapshot — prices change. Search for live results.

Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →

Why fly Baltimore → Chicago?

This route offers a wide range of pricing, making it accessible for budget-conscious travelers and those willing to pay for premium services. It's a key connection for both business and leisure travel between the East Coast and the Midwest.

Best for: budget travelers · business travelers · leisure travelers

Booking tips: To secure the best fares, aim to book when prices are closer to the p25 of $163.76, as the median price is $251 and prices can exceed $1200. Consider booking in advance to avoid the higher end of the price range.

The price range for this route is quite broad, reflecting typical variations seen on similar-distance domestic flights, with a significant portion of the cost potentially coming from ancillary fees.

AI-generated summary from price distribution data · gemini-2.5-flash-lite

Best offers by airline: Baltimore → Chicago

Based on 503 offers · June 2026. Prices and availability change — run a live search to confirm.

Frontier AirlinesUSD 120
8h 49m–26h 32mMin 1 stopAfternoon (12–18)
Search Frontier Airlines
UnitedUSD 125
2h 14m–9h 35mDirect availableMorning (06–12)
Bags included
Non-refundable
Search United
American AirlinesUSD 125
2h 18m–18h 52mDirect availableEvening (18–21)
Bags included
Non-refundable
Search American Airlines
DeltaUSD 135
3h 54m–27h 25mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Delta
Delta AirlinesUSD 135
3h 54m–15h 30mMin 1 stopAfternoon (12–18)
Search Delta Airlines
United AirlinesUSD 166
2h 14m–13h 9mDirect availableMorning (06–12)
Search United Airlines
American AirlinesUSD 166
2h 18m–13h 55mDirect availableEvening (18–21)
Search American Airlines
jetBlueUSD 211
8h 30m–11h 6mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search jetBlue
Alaska AirlinesUSD 349
12h 31m–17h 9mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Alaska Airlines

Bag & seat fees: Baltimore → Chicago

Add-on pricing from the cheapest available offer per airline · June 2026 · USD

AirlineCarry-onChecked bagSeat selection
Frontier Airlines———
UnitedIncludedUSD 35—
American AirlinesIncludedUSD 35—
DeltaIncludedUSD 35—
jetBlueIncludedUSD 35—
Alaska AirlinesIncludedUSD 35—

Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.

How much do flights from Baltimore to Chicago cost?

Based on 503 offers · June 2026

Baltimore to Chicago flights ranged from USD 120 to USD 1232 across 503 offers analyzed in June 2026. The chart below shows how prices distributed across all 503 offers.

P10: USD 135P25: USD 164P50: USD 251P75: USD 419P90: USD 780

These 503 offers (June 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.

50% of offers priced between USD 164 and USD 419

What hidden fees do Baltimore to Chicago flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Baltimore to Chicago routes. The breakdown below is based on 503 offers analyzed in June 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
F93118%
UA4822%
AA3614%
DL4320%
B63810%
AS478%

United Airlines: base ~USD 118 + fees USD 48 = ~USD 166 total. American Airlines: base ~USD 167 + fees USD 36 = ~USD 203 total.

United Airlines's USD 48 ancillary fees narrow the gap with American Airlines's lower-fee model — the USD 49 base difference shrinks to USD 37 after fees. Always compare total cost, not just the advertised base fare.

Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from Baltimore to Chicago?

9 airlines flew Baltimore to Chicago in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.

Even on the cheapest airline (Frontier Airlines), fares ranged USD 132–229 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →

AirlineOffersTypical range (USD)Median (USD)Fees (USD)
Frontier Airlines137132–22915831 (20%)
United Airlines28126–28216648 (29%)
American Airlines85136–34220336 (18%)
Delta Air Lines92140–35629143 (15%)
B623219–51734238 (11%)
Alaska Airlines5415–75154547 (9%)
United Airlines22204–724617n/a
American Airlines51175–811653n/a
Delta Airlines60169–1135785n/a

Where do the best Baltimore → Chicago prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.

We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.

Key facts: Baltimore to Chicago flights

Frequently asked questions

How much does a flight from Baltimore to Chicago cost?
Based on 503 offers analyzed, Baltimore to Chicago flights range from USD 120 to USD 1232, with a median price of USD 251. Search for your specific dates →
What hidden fees should I expect on Baltimore to Chicago flights?
On average, ancillary fees (bags, seat selection) add USD 36 to the base fare on Baltimore to Chicago flights. See itemized fees for your itinerary →
Which airline is cheapest on Baltimore to Chicago including all fees?
Frontier Airlines has the lowest median fare on Baltimore to Chicago at USD 158 (median across 137 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Baltimore–Chicago flights?
It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 126. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Baltimore to Chicago routes?
Baltimore to Chicago has 9 airlines competing, creating a price range from USD 120 to USD 1232 across 503 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

9 airlines compete on this route — we check every one

Find flights for my dates

New route — be among the first to track this itinerary

Building with flight data? Power your app or agent with LetsFG

The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.

Try the free sandbox — no card →

Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers

Flights Baltimore → Chicago: Price Data & Hidden Fees | LetsFG