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$120 Cheap Flights from Washington (IAD) to Milwaukee (MKE)

Popular airlines from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Washington to Milwaukee (IAD-MKE)

Prices were available within the past 7 days and start at $120 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
American Airlines
United
United
United
Delta
United
Alaska Airlines

Alternative airports near Milwaukee

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

Find the cheapest month to fly from Washington (IAD) to Milwaukee (MKE)

January is typically the cheapest month to fly

From $180 - $691 per traveler.

What you need to know for your flight from Washington Dulles Intl. to General Mitchell Intl.

Washington (IAD) to Milwaukee (MKE) at a glance

Travel between Washington Dulles International Airport (IAD) and General Mitchell International Airport (MKE) with a selection of airlines catering to this domestic short-haul route. Compare flight prices from full-service and low-cost carriers to discover the best options for your budget and travel schedule as you plan your visit to Milwaukee's renowned attractions and neighborhoods. Whether you're looking for the cheapest flights from Washington or other convenient itineraries, you'll find a variety of choices for your journey.

  • Fastest flight duration: around 3h 15m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $100–$425, depending on seasonality and how far ahead you book

Flights from Washington Dulles International Airport (IAD) to General Mitchell International Airport (MKE)

According to recent traveler bookings, the most popular airlines flying from Washington to Milwaukee are typically favored for their one-stop services. Common layover points include O'Hare International Airport (ORD) with an average layover of about 1 hour and 15 minutes, Detroit Metropolitan Wayne County Airport (DTW) at roughly 1 hour, and Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of around 1 hour and 30 minutes. This variety allows you to choose the best itinerary by balancing price, total travel time, and cabin class.

  • Delta: As a comprehensive service airline, Delta provides one-stop flights with one-way ticket prices generally from $100 to $445. It serves about 50% of departures on this route, featuring an in-air duration of 3 hours 15 minutes and an overall journey time of approximately 4 hours 45 minutes, including layover.
  • United: This full-service airline, United, offers one-stop travels with one-way fares typically between $120 and $415. Responsible for around 35% of departures on this route, it boasts an in-flight duration of 3 hours 15 minutes and a total travel time of about 4 hours 45 minutes, factoring in a layover.
  • American Airlines: American Airlines, another full-service option, provides one-stop service with one-way fares generally ranging from $125 to $420. It accounts for roughly 10% of departures on this route, with an in-flight time of 3 hours 15 minutes and a total journey time of roughly 4 hours 45 minutes, including layover.
  • Frontier Airlines: A budget-friendly choice, Frontier Airlines offers one-stop flights with one-way fares typically between $100 and $175. This carrier represents around 2% of departures on this route, with an in-flight duration of 3 hours 15 minutes and an overall travel time of approximately 4 hours 45 minutes, including a layover.
  • Sun Country Airlines: As a low-cost airline, Sun Country Airlines provides one-stop service with one-way fares generally ranging from $170 to $540. This airline covers about 1% of departures on this route, featuring an in-flight time of 3 hours 15 minutes and a total journey time of about 4 hours 45 minutes, including layover.

Travelers flying from Washington to Milwaukee can opt for an upgrade, as Delta provides first-class service on this route.

Best time to fly from Washington (IAD) to Milwaukee (MKE)

The most popular months for travelers flying from Washington to Milwaukee are March, April, and August, when peak temperatures in Milwaukee reach up to 70.7°F in August. If you prefer quieter travel, consider May, the least busy time to visit with temperatures around 54.9°F and typically the lowest average one-way fare (around $175). Flight availability peaks in July, August, October, and November, with approximately 10 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $175, roughly 21% cheaper than the yearly average.
  • Another budget-friendly time to fly: July typically offers an average one-way fare of around $192.
  • Most flight options: July, August, October, and November have the highest number of flights from Washington to Milwaukee, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January22.1°F (-5.5°C)Average7$268
February23.5°F (-4.7°C)Moderately Low8$260
March34.7°F (1.5°C)Moderately High9$195
April43.7°F (6.5°C)Moderately High9$210
May54.9°F (12.7°C)Moderately Low7$175
June64.9°F (18.3°C)Average9$255
July71.4°F (21.9°C)Average10$192
August70.7°F (21.5°C)Moderately High10$204
September64.2°F (17.9°C)Average9$198
October52.0°F (11.1°C)Average10$258
November39.2°F (4.0°C)Average10$269
December29.7°F (-1.3°C)Moderately Low8$206

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Washington (IAD) to Milwaukee (MKE)

  • Washington to Milwaukee (DCA-MKE): Ronald Reagan Washington National Airport (DCA) is located approximately 23 miles from Washington Dulles International Airport (IAD). The cost of one-way economy tickets on this route generally varies from $100 to $410, influenced by the season and how early you book. Flights are commonly available as both direct and connecting options. Major airlines operating on this path include American Airlines and Southwest Airlines, the latter being a budget-friendly choice. Additionally, first-class service is offered on this route.

How to find the best prices for flights from Washington (IAD) to Milwaukee (MKE)

Getting some of the best deals on flights from Washington to Milwaukee is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are generally available when booking 2 to 8 weeks in advance, which aligns with when most travelers make their reservations. Afternoon departures (12 PM to 6 PM) usually offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Thursday tends to be cheaper, though Friday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at General Mitchell International Airport from Washington Dulles International Airport

Milwaukee welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach Milwaukee efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Milwaukee, with private rides that can be arranged in advance.
  • Car rental: Renting a car from General Mitchell International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at General Mitchell International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From General Mitchell International Airport, the Milwaukee Airport Bus Station (a bus station) is conveniently located just 0.1 miles away on foot, while the Milwaukee Airport Station (a train station) is about 1.8 miles away by car. For those looking to use the metro, the Michigan & Jackson Tram Stop (a metro station) is situated approximately 7.8 miles from the airport by car.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) cost?
You can find cheap one-way flights from $120 and cheap return flights from $238 Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) with Expedia. One-way flights usually range from $143 to $828, and return flights typically cost between $296 and $1021. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The cheapest month to fly from IAD to MKE is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Enter IAD to MKE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Washington, DC (IAD) to Milwaukee (MKE), with round-trip tickets starting from around $265. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The earliest flight from Washington Dulles International Airport (IAD) to Milwaukee (MKE) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service can be a great option if you want to start your day early and maximize your time in Milwaukee. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
For flights from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee (MKE-General Mitchell Intl.), the most popular departure times are in the morning, from 6am to 9am. About 39% of passengers choose this time window. Many major carriers, including Delta and United, offer flights during this period. This timing is favored as it lets you arrive in Milwaukee with plenty of time to start your day.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Flying from IAD to MKE with a connection usually takes about 4 hours 50 minutes, traveling roughly 611 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
First class is available on flights from IAD to MKE. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Milwaukee from Washington Dulles Intl. (IAD)?
If you're planning to travel to Milwaukee from Washington Dulles Intl. (IAD), you can fly into General Mitchell Intl. (MKE) Some flights may connect through major hubs like Hopkins Intl. (CLE), Pittsburgh Intl. (PIT), Cincinnati - Northern Kentucky Intl. (CVG) before reaching Milwaukee. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) Milwaukee Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
General Mitchell Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$238
Distance
610 mi

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