$179 Cheap Flights from Seattle (SEA) to Bloomington (BMI)

View $179 flight on Tue, May 26, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Bloomington, IL (BMI-Central Illinois Regional)

Cheap Flights from Seattle to Bloomington (SEA-BMI)

Prices were available within the past 7 days and start at $179 for one-way flights and $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 23 - Sat, Jun 13
SEA
Seattle
BMI
Bloomington
$343 Roundtrip, found 5 days ago
$343
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 23 from Seattle to Bloomington, returning Sat, Jun 13, priced at $343 found 5 days ago
American Airlines
Fri, May 8 - Wed, May 13
SEA
Seattle
BMI
Bloomington
$350 Roundtrip, found 3 days ago
$350
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, May 8 from Seattle to Bloomington, returning Wed, May 13, priced at $350 found 3 days ago
American Airlines
Thu, Jun 4 - Sat, Jun 6
SEA
Seattle
BMI
Bloomington
$358 Roundtrip, found 5 days ago
$358
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jun 4 from Seattle to Bloomington, returning Sat, Jun 6, priced at $358 found 5 days ago
American Airlines
Tue, Nov 10 - Wed, Nov 11
SEA
Seattle
BMI
Bloomington
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 10 from Seattle to Bloomington, returning Wed, Nov 11, priced at $359 found 1 day ago
United
Mon, Jul 13 - Tue, Jul 14
SEA
Seattle
BMI
Bloomington
$379 Roundtrip, found 4 days ago
$379
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jul 13 from Seattle to Bloomington, returning Tue, Jul 14, priced at $379 found 4 days ago
Delta
Sat, May 2 - Tue, May 5
SEA
Seattle
BMI
Bloomington
$388 Roundtrip, found 23 hours ago
$388
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, May 2 from Seattle to Bloomington, returning Tue, May 5, priced at $388 found 23 hours ago
Delta
Sat, May 2 - Tue, May 5
SEA
Seattle
BMI
Bloomington
$398 Roundtrip, found 23 hours ago
$398
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, May 2 from Seattle to Bloomington, returning Tue, May 5, priced at $398 found 23 hours ago
American Airlines
Thu, Apr 30 - Thu, May 7
SEA
Seattle
BMI
Bloomington
$399 Roundtrip, found 20 hours ago
$399
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Thu, Apr 30 from Seattle to Bloomington, returning Thu, May 7, priced at $399 found 20 hours ago
American Airlines
Sat, May 23 - Sat, Jun 13
SEA
Seattle
BMI
Bloomington
$403 Roundtrip, found 5 days ago
$403
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 23 from Seattle to Bloomington, returning Sat, Jun 13, priced at $403 found 5 days ago
American Airlines
Tue, Nov 10 - Wed, Nov 11
SEA
Seattle
BMI
Bloomington
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 10 from Seattle to Bloomington, returning Wed, Nov 11, priced at $404 found 1 day ago

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) cost?
You can find cheap one-way flights from $179 and cheap return flights from $343 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) with Expedia. One-way flights generally range between $149 and $919, and roundtrip flights usually range from $436 to $1868. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
September is the cheapest month to fly from Seattle (SEA) to Bloomington (BMI), with average round-trip fares around $404. This is about 21% lower than the average price throughout the year, as travel demand typically decreases after the summer. Other economical months to consider are October and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
Enter SEA to BMI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Seattle (SEA) to Bloomington (BMI), starting from around $299. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional), 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
The best time to fly from Seattle (SEA) to Bloomington (BMI) is typically in September or November. During these months, you can expect average prices around $404 for a return flight, making it a budget-friendly option. September offers pleasant weather, while November sees fewer crowds, allowing for a more relaxed travel experience. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
The earliest flight from Seattle - Tacoma International Airport (SEA) to Central Illinois Regional (BMI) typically departs at around 12:05 AM. This seasonal service is available in June, allowing you to start your day early and enjoy more time in Bloomington. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Bloomington (BMI) are in the early morning, from 6am to 9am. About 33% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Delta, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Bloomington with plenty of time to explore.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
A flight from SEA to BMI with a layover takes around 8 hours 30 minutes, with the route covering approximately 1,714 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
First class seats are offered on the SEA to BMI route with American Airlines and Delta Air Lines.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) 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 Bloomington from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Bloomington from Seattle - Tacoma Intl. (SEA), you can fly into Central Illinois Regional (BMI) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Denver Intl. (DEN), O'Hare Intl. (ORD) before reaching Bloomington. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) flight and hotel package 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bloomington, IL (BMI-Central Illinois Regional) 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
Seattle - Tacoma Intl.
Destination airport
Central Illinois Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$342
Distance
1713 mi

Book with confidence

Seattle to Bloomington Flights

The cheapest times to fly from Seattle to Bloomington

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 Seattle to Bloomington are during the month of May. You can find some of the cheapest flights from Seattle to Bloomington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Bloomington

Sunday is one of the best days to book for cheap flights from Seattle to Bloomington: 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 Seattle to Bloomington

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 Seattle to Bloomington in 2026. You can also book with separate airlines for your outbound and return journeys, from $179 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 Seattle to Bloomington 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 Seattle to Bloomington 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.

 

Seattle to Bloomington Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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