$204 Cheap Flights from Bloomington (BMI) to Washington (IAD)

View $204 flight on Wed, May 6, 2026Opens in a new window

Popular airlines from Bloomington, IL (BMI-Central Illinois Regional) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Bloomington to Washington (BMI-IAD)

Prices were available within the past 7 days and start at $204 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Apr 10 - Mon, Apr 13
BMI
Bloomington
IAD
Washington
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Apr 10 from Bloomington to Washington, returning Mon, Apr 13, priced at $289 found 3 days ago
United
Sat, May 23 - Mon, May 25
BMI
Bloomington
IAD
Washington
$309 Roundtrip, found 4 hours ago
$309
Roundtrip
found 4 hours ago
Select United flight, departing Sat, May 23 from Bloomington to Washington, returning Mon, May 25, priced at $309 found 4 hours ago
United
Wed, May 13 - Sun, May 17
BMI
Bloomington
IAD
Washington
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Bloomington to Washington, returning Sun, May 17, priced at $326 found 3 days ago
Delta
Wed, May 6 - Sat, May 9
BMI
Bloomington
IAD
Washington
$329 Roundtrip, found 8 hours ago
$329
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, May 6 from Bloomington to Washington, returning Sat, May 9, priced at $329 found 8 hours ago
United
Thu, Oct 8 - Sat, Oct 10
BMI
Bloomington
IAD
Washington
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from Bloomington to Washington, returning Sat, Oct 10, priced at $331 found 4 days ago
Delta
Sat, Apr 18 - Mon, Apr 27
BMI
Bloomington
IAD
Washington
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 18 from Bloomington to Washington, returning Mon, Apr 27, priced at $334 found 1 day ago
Delta
Fri, Jun 26 - Mon, Jun 29
BMI
Bloomington
IAD
Washington
$339 Roundtrip, found 13 hours ago
$339
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, Jun 26 from Bloomington to Washington, returning Mon, Jun 29, priced at $339 found 13 hours ago
United
Thu, Oct 8 - Sat, Oct 10
BMI
Bloomington
IAD
Washington
$340 Roundtrip, found 4 days ago
$340
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from Bloomington to Washington, returning Sat, Oct 10, priced at $340 found 4 days ago
Delta
Fri, Nov 6 - Mon, Nov 9
BMI
Bloomington
IAD
Washington
$359 Roundtrip, found 4 hours ago
$359
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Nov 6 from Bloomington to Washington, returning Mon, Nov 9, priced at $359 found 4 hours ago
American Airlines
Tue, Apr 28 - Wed, May 6
BMI
Bloomington
IAD
Washington
$443 Roundtrip, found 6 days ago
$443
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Apr 28 from Bloomington to Washington, returning Wed, May 6, priced at $443 found 6 days ago

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Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $374
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $374

Frequently asked questions

How much does a flight from Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from $204 and cheap return flights from $289 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights usually range from $409 to $1031, and return flights typically cost between $485 and $1508. 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The cheapest month to fly from BMI to IAD is April 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter BMI to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Bloomington, IL (BMI) to Washington, DC (IAD) with round-trip tickets starting from around $338. 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Bloomington, IL (BMI) to Washington, DC (IAD) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in November, and an early flight allows you to maximize your day in the capital. 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Bloomington, IL (BMI) to Washington, DC (IAD) are in the early morning, from 6am to 9am. About 72% of passengers prefer this time window. Many major carriers, including Delta and United Airlines, offer flights during this window. This timing works well because it allows you to arrive in Washington with plenty of time to start your day.
How long does it take to fly from Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
Flights from BMI to IAD with one stop typically take around 4 hours 50 minutes, covering approximately 618 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
First class seats are offered on the BMI to IAD route with American Airlines and Delta Air Lines.
How do I earn miles on a Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles 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 Washington from Central Illinois Regional (BMI)?
From Central Illinois Regional (BMI), you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA) in Washington. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW) before reaching Washington. 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.) Fairfax County 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 Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Bloomington, IL (BMI-Central Illinois Regional) to Washington, DC (IAD-Washington Dulles 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
Central Illinois Regional
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$288
Distance
618 mi

Book with confidence

Bloomington to Washington Flights

The cheapest times to fly from Bloomington to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bloomington to Washington are during the month of April. You can find some of the cheapest flights from Bloomington to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bloomington to Washington

Sunday is one of the best days to book for cheap flights from Bloomington to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bloomington to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bloomington to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $204 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bloomington to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bloomington to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bloomington to Washington Flights

*Flight schedules are subject to change.

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*Available to One Key members.