Are direct St Louis to Milwaukee flights available?
No non-stop option appears in the current route snapshot. Available itineraries may include one or more stops; use the Stops filter to compare them.
STL to MKE
St Louis to Milwaukee Flights from US$124 + Up to 20% Off
Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
Live fares from the airlines
No hidden charges
Transparent cancellation policy
24×7 booking support
Cheapest fareUS$124Delta Air Lines
Fastest3h 15mgate to gate
Options today27flights on this route
Live flights for Tue, 18 Aug 2026
Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.
Showing flight options for the selected travel date.
Currency: USD
Delta Air Lines
DL-1597
06:20
2026-08-18
St Louis (STL)
Lambert-St Louis Intl
Lambert-St Louis Intl5H :03 M
1 Stop
MSP
· 2h 16m Minneapolis (MSP), United States
11:23
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$120
$124
Delta Air Lines
DL-1626
06:30
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl6H :15 M
1 Stop
DTW
· 3h 22m Detroit (DTW), United States
12:45
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$120
$124
Delta Air Lines
DL-5325
08:48
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl6H :21 M
1 Stop
MSP
· 3h 24m Minneapolis (MSP), United States
15:09
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$120
$124
Delta Air Lines
DL-3188
11:13
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :56 M
1 Stop
MSP
· 1h 04m Minneapolis (MSP), United States
15:09
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$120
$124
Delta Air Lines
DL-1371
14:10
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :58 M
1 Stop
DTW
· 1h 05m Detroit (DTW), United States
18:08
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$120
$124
American Airlines
AA-1926
06:00
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl5H :02 M
1 Stop
ORD
· 2h 31m Chicago (ORD), United States
11:02
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
United Airlines
UA-4570
07:25
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl5H :13 M
1 Stop
ORD
· 2h 40m Chicago (ORD), United States
12:38
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
United Airlines
UA-567
08:00
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl4H :38 M
1 Stop
ORD
· 2h 07m Chicago (ORD), United States
12:38
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
United Airlines
UA-4601
08:50
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :48 M
1 Stop
ORD
· 1h 15m Chicago (ORD), United States
12:38
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
American Airlines
AA-3568
09:32
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :15 M
1 Stop
ORD
· 0h 50m Chicago (ORD), United States
12:47
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
American Airlines
AA-3568
09:32
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl4H :54 M
1 Stop
ORD
· 2h 29m Chicago (ORD), United States
14:26
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
United Airlines
UA-2654
12:59
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl4H :16 M
1 Stop
ORD
· 1h 35m Chicago (ORD), United States
17:15
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
American Airlines
AA-4259
16:54
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl4H :06 M
1 Stop
ORD
· 1h 25m Chicago (ORD), United States
21:00
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$154
$159
United Airlines
UA-541
17:30
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :30 M
1 Stop
ORD
· 0h 49m Chicago (ORD), United States
21:00
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$199
$204
Delta Air Lines
DL-4167
15:50
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :52 M
1 Stop
MSP
· 0h 50m Minneapolis (MSP), United States
19:42
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$218
$226
Delta Air Lines
DL-3185
17:34
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :48 M
1 Stop
MSP
· 0h 45m Minneapolis (MSP), United States
21:22
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$218
$226
United Airlines
UA-567
08:00
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl6H :33 M
1 Stop
ORD
· 3h 56m Chicago (ORD), United States
14:33
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$229
$237
Delta Air Lines
DL-2868
10:33
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl5H :29 M
1 Stop
DTW
· 2h 45m Detroit (DTW), United States
16:02
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$248
$256
United Airlines
UA-4616
18:54
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :42 M
1 Stop
ORD
· 1h 00m Chicago (ORD), United States
22:36
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$258
$266
Delta Air Lines
DL-1371
14:10
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl6H :08 M
1 Stop
DTW
· 3h 12m Detroit (DTW), United States
20:18
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$289
$296
United Airlines
UA-4517
10:53
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :40 M
1 Stop
ORD
· 1h 02m Chicago (ORD), United States
14:33
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$357
$365
United Airlines
UA-4500
15:24
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl3H :31 M
1 Stop
ORD
· 0h 45m Chicago (ORD), United States
18:55
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$588
$604
Recommended hotels in Milwaukee
Stay options near the arrival city for the same travel date.
Days Inn & Suites by Wyndham Milwaukee
- 1840 N 6th St, Milwaukee, WI 53212 ,
Free WiFiACBreakfast
Room availability is checked live
Crowne Plaza Milwaukee Airport by IHG
- 6401 S 13th Street MilwaukeeWI 53221 ,
Free WiFiACBreakfast
Room availability is checked live
Best Western Plus Milwaukee Airport Hotel & Conference Ctr
- 5105 S Howell Ave, Milwaukee, WI 53207 ,
Free WiFiACBreakfast
Room availability is checked live
Comfort Inn & Suites Kenosha-Pleasant Prairie
- 7206 122nd Ave KenoshaWI 53142 ,
Free WiFiACBreakfast
Room availability is checked live
Alaska Airlines
AS-618
14:50
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl9H :09 M
1 Stop
SEA
· 0h 52m Seattle (SEA), United States
23:59
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$643
$659
Alaska Airlines
AS-473
06:02
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl17H :57 M
1 Stop
SEA
· 9h 39m Seattle (SEA), United States
23:59
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$649
$665
Delta Air Lines
DL-1571
09:15
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl4H :39 M
1 Stop
ATL
· 1h 04m Atlanta (ATL), United States
13:54
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$671
$686
Delta Air Lines
DL-2700
15:39
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl4H :30 M
1 Stop
ATL
· 0h 41m Atlanta (ATL), United States
20:09
2026-08-18
Milwaukee (MKE)General Mitchell International
General Mitchell International
FLYX20 Applied
$671
$686
No flights match the selected filters. Clear filters or open full search.
Fare highlights
Selected flight highlights for 18 Aug 2026.
Lowest fare
$124
Delta Air Lines
06:20
Earliest departure
$159
American Airlines
06:00
Shortest duration
$159
American Airlines
09:32
Night
00:00-05:59
No option
Open full search for more
Morning
06:00-11:59
$124
Delta Air Lines at 06:20
Afternoon
12:00-17:59
$124
Delta Air Lines at 14:10
Evening
18:00-23:59
$266
United Airlines at 18:54
St Louis to Milwaukee flight booking guide
Quick answers to the most common questions about flying St Louis to Milwaukee.
Best time or month to book
There is no permanently cheapest month because airline inventory changes continuously. As a practical starting point, compare nearby dates and begin checking international trips 6–12 weeks before departure; peak holidays may need earlier booking.
Cheapest days for this route
Among the dates currently shown, Tuesday has the lowest displayed fare at $124. This is a live snapshot, not a guaranteed weekly rule.
Baggage rules
Allowance is fare-specific, not just airline-specific. Current cards show examples such as 0 Pieces check-in baggage. Open the fare choices and verify cabin/check-in baggage before continuing.
Cancellation and refund explanation
Refundable and non-refundable labels are shown on each card. Exact airline cancellation charges, no-show rules and refund timelines are verified for the selected fare before booking; promotional discounts and applicable charges are adjusted from any refund.
Secure booking support
FlyX rechecks the live fare before payment, shows the payable amount and provides 24×7 booking support. Payment, refund, cancellation and help links are available in the footer.
Airlines flying from St Louis to Milwaukee
Compare fares, stops, baggage and refundability across the airlines flying this route.
Delta Air Lines St Louis to Milwaukee flights
Delta Air Lines cheap flights St Louis to Milwaukee
Fares start from $124 on this route.
St Louis to Milwaukee Delta Air Lines flight schedule
11 departures — compare timings in the list above.
United Airlines St Louis to Milwaukee flights
United Airlines cheap flights St Louis to Milwaukee
Fares start from $159 on this route.
St Louis to Milwaukee United Airlines flight schedule
9 departures — compare timings in the list above.
American Airlines St Louis to Milwaukee flights
American Airlines cheap flights St Louis to Milwaukee
Fares start from $159 on this route.
St Louis to Milwaukee American Airlines flight schedule
4 departures — compare timings in the list above.
Alaska Airlines St Louis to Milwaukee flights
Alaska Airlines cheap flights St Louis to Milwaukee
Fares start from $659 on this route.
St Louis to Milwaukee Alaska Airlines flight schedule
3 departures — compare timings in the list above.
St Louis to Milwaukee flight details
| Cheapest fare | US$124 · Tue, 18 Aug |
|---|---|
| Fastest flight duration | 3h 15m · American Airlines |
| First departure of the day | 06:00 · American Airlines |
| Last departure of the day | 19:56 · Alaska Airlines |
| Flights currently available | 27 |
| Popular airlines on this route | Delta Air Lines, United Airlines, American Airlines, Alaska Airlines |
| Airport codes | St Louis–STL, Milwaukee–MKE |
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
St Louis to Milwaukee flight schedule, timing and fares
St Louis to Milwaukee flight schedule and timing
Around 27 flights operate on this route. Departures run through the day — the first flight leaves around 06:00 and the last around 19:56. The fastest flight takes about 3h 15m.
Morning vs evening St Louis–Milwaukee fares
Lowest fare by departure window: Morning from $124, Afternoon from $124, Evening from $266. Early-morning and late-night flights are often cheaper than peak daytime slots.
What is today’s lowest airfare from St Louis to Milwaukee?
The lowest fare we are currently showing is US$124, on a Tuesday departure. Airfares change through the day, so search your dates for the exact price.
Should I book one-way or round-trip for St Louis to Milwaukee?
Domestic fares are usually priced per leg, so two one-ways often cost about the same as a round-trip and keep your return date flexible. Round-trip is worth choosing when you want a single PNR for both legs, and eligible coupons like FLYX20 apply either way.
Which airlines should I consider for St Louis to Milwaukee?
Delta Air Lines (11 flights, from $124), United Airlines (9 flights, from $159), American Airlines (4 flights, from $159), Alaska Airlines (3 flights, from $659). Compare fare type, baggage and refundability — the cheapest airline is not always the best value for your dates.
Web check-in for your St Louis to Milwaukee flight
Most airlines open web check-in 24–48 hours before departure on their own website or app using your PNR. Checking in early lets you pick better seats free of charge on many fares; FlyX also links every booking’s airline check-in page from Web Check-in.
How to book a St Louis to Milwaukee flight on FlyX
- 1Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
- 2Compare live results
Sort or filter the St Louis–Milwaukee results by price, departure time, stops and airline.
- 3Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
- 4Review the final price
FlyX rechecks the live fare with the airline; any eligible coupon is applied automatically.
- 5Pay securely
UPI, cards, net banking and wallets supported; your e-ticket is emailed within minutes.
Why book your St Louis to Milwaukee flight with FlyX?
If you are looking for St Louis to Milwaukee flight tickets at the best possible fare, FlyX keeps the process simple and transparent. Enter your dates and travellers, compare live fares across every major airline on this route, and filter by price, departure time, stops or airline to find the flight that actually fits your plan. Every fare you see is rechecked live with the airline before payment, so the price you approve is the price you pay — no hidden charges added at checkout.
And that is not all — eligible discounts like FLYX20 are applied automatically on the review page, payments run over 256-bit SSL with UPI, cards, net banking and wallets, and our 24x7 support team backs every booking as an IATA-accredited travel company. Refund and cancellation rules are shown clearly for each fare before you pay, and your e-ticket lands in your inbox within minutes. So why wait? Book your St Louis to Milwaukee flight on FlyX and take off with genuine savings today.
St Louis to Milwaukee flight offers & coupon codes
| Coupon code | Offer | Max saving |
|---|---|---|
| FLYX20 | Up to 20% Off on Flights | ₹1,500 |
Your discount is applied automatically on the review page before you pay. View full terms.
Frequently asked questions - St Louis to Milwaukee flights
Is it worth booking St Louis to Milwaukee flights in advance?
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
How far is St Louis from Milwaukee by air?
The approximate direct air distance between St Louis (STL) and Milwaukee (MKE) is 511.05 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Are there non-stop flights from STL to MKE?
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Why does the price change after clicking Book Now?
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Can I compare nearby dates?
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.
St Louis to Milwaukee - what to expect when booking
The STL to MKE cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 511.05 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Book Cheapest Flight from St Louis to Milwaukee on FlyX
Securing the best airfare from St Louis to Milwaukee is all about planning. FlyX's real-time fare tracking system allows you to check flight options and lock in the lowest ticket prices before they rise:
- Book at least 3-4 weeks in advance to secure the most competitive St Louis to Milwaukee airfares.
- Consider traveling mid-week (Tuesdays or Wednesdays) to bypass weekend pricing surges.
- Early morning or late-night departure flights consistently offer lower fares than afternoon slots.
- Use our live calendar view above to easily spot fare changes on nearby dates.
Find the Lowest airfare from St Louis to Milwaukee
| Cheapest Fare | Fare | Date | Airline | Departure |
|---|---|---|---|---|
| Lowest Airfare Today | $124 | 18/08/2026 | Delta Air Lines | 06:20 |
| Cheapest Airfare Within 30 Days | $122 | 29/08/2026 | Delta Air Lines | 06:20 |
| Cheapest Airfare Within 90 Days | $118 | 28/10/2026 | Delta Air Lines | 06:20 |
Book St Louis to Milwaukee Flight Tickets on FlyX
Planning to fly from St Louis to Milwaukee? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
St Louis to Milwaukee Flight Distance, Duration and Time
The aerial distance between St Louis and Milwaukee is approximately 511 KM. The flight duration ranges from 3H :15 M up to 18H :09 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
St Louis to Milwaukee Flight Schedule and Timing
Around 27 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from St Louis at 06:00, while the last night flight leaves at 19:56. Flights depart from Lambert-St Louis Intl and land at General Mitchell International.
Flight Route Details & Analysis
| Flight Details | Information |
|---|---|
| Route | St Louis to Milwaukee |
| Aerial Distance | 511 KM |
| Flight Duration | 3H :15 M - 18H :09 M |
| Airport Codes | St Louis - STL, Milwaukee - MKE |
| Total Flights Available | 27 flights (0 direct) |
| First Flight Departure | Departs at 06:00 |
| Last Flight Departure | Departs at 19:56 |
| Early Morning Flights (12 AM - 8 AM) | 5 direct/indirect flights |
| Morning Flights (8 AM - 12 PM) | 10 direct/indirect flights |
| Afternoon Flights (12 PM - 4 PM) | 7 direct/indirect flights |
| Evening Flights (4 PM - 8 PM) | 5 direct/indirect flights |
| Night Flights (8 PM - 12 AM) | 0 direct/indirect flights |
Airport Information & Terminals
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
MKE: Milwaukee airport. Milwaukee airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
MKE: Milwaukee airport. Milwaukee airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
