What are the cheapest airlines flying from Seattle to Bloomington, Illinois round-trip?

According to our current data, American Airlines ($346), and Delta ($547) offers the cheapest pricing from Seattle to Bloomington, Illinois. American Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Seattle to Bloomington, Illinois?

Travelers seeking maximum savings on their Seattle to Bloomington, Illinois flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Bloomington, Illinois ranges from 1.6 - 3.9 inches per month. May is typically the wettest month, when rainfall can reach 3.9 in. February is typically the driest time to visit Bloomington, Illinois when rainfall is around 1.6 in.

If weather is an important factor for your trip to Bloomington, Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest day to fly round-trip from Seattle to Bloomington, Illinois?

Tuesday flights are generally found to be more expensive for flights from Seattle to Bloomington, Illinois. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Bloomington, Illinois.

What is the cheapest month to fly from Seattle to Bloomington, Illinois?

The best pricing can be found in the month of January. Prices to Bloomington, Illinois from Seattle average $486. You can even find prices in January for less than $486, as users have found deals to Bloomington, Illinois from as low as $362. The month of November appears to be one of the more expensive times to travel to Bloomington, Illinois from Seattle. Flying in the targeted month can save you up to 83%.

What is the cheapest time of day to fly from SEA to BMI?

When flying from Seattle to Bloomington, Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 36% versus a flight at noon.

Can I find deals for flights from Seattle to Bloomington that include hotel bookings?

Yes. In addition to deals on Seattle to Bloomington flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Bloomington?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Bloomington.

Can I find deals for business class flights from Seattle to Bloomington?

Yes. Cheapflights offers flight deals from Seattle to Bloomington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$163+ Flights from Seattle to Bloomington, IL

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Cheap flight deals from Seattle to Bloomington

Round-trip from	$346 (American Airlines)
One-way from	$163 (American Airlines)
Popular in	November
Cheapest in	January
Average price	$583

From Seattle/Tacoma Intl to Bloomington-Normal

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One-way flight from Seattle/Tacoma Intl to Bloomington-Normal

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Highest demand for flights based on searches. 16% potential increase in price ($93 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Cheapest flights from Seattle to Bloomington
Explore the most affordable flight options available from Seattle to Bloomington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.

Thu 9/251:02 pmSEA - BMI

1 stop8h 21mAmerican Airlines

Tue 10/146:47 amBMI - SEA

1 stop9h 59mAmerican Airlines

Deal found 7/16

$315

Fri 8/2911:35 amSEA - BMI

1 stop8h 41mDelta

Sun 8/313:47 pmBMI - SEA

1 stop10h 12mDelta

Deal found 7/15

$547

Best flights from Seattle to Bloomington
Discover carefully curated flight deals from Seattle to Bloomington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2025.

Tue 8/125:25 amSEA - BMI

1 stop7h 56mAmerican Airlines

Tue 8/197:01 amBMI - SEA

1 stop9h 50mAmerican Airlines

Deal found 7/14

$346

Fri 8/2911:35 amSEA - BMI

1 stop8h 41mDelta

Sun 8/313:47 pmBMI - SEA

1 stop10h 12mDelta

Deal found 7/15

$547

Last-minute flights from Seattle to Bloomington
Discover last-minute flight deals from Seattle to Bloomington. Data last updated July 16, 2025 and is based on user searches.

Tue 8/126:10 amSEA - BMI

1 stop6h 09mAmerican Airlines

Tue 8/197:01 amBMI - SEA

1 stop9h 50mAmerican Airlines

Deal found 7/16

$416

Fri 8/296:00 amSEA - BMI

1 stop7h 07mDelta

Sun 8/313:47 pmBMI - SEA

1 stop10h 12mDelta

Deal found 7/16

$461

One-way flights from Seattle to Bloomington
Search for one-way flight options from Seattle to Bloomington. Find affordable one-way fares based on user searches. Data last updated July 16, 2025.

Fri 8/225:25 amSEA - BMI

1 stop7h 56mAmerican Airlines

Deal found 7/14

$163

Fri 8/227:10 amSEA - BMI

2 stops13h 06mDelta

Deal found 7/14

$468

Wed 7/236:15 pmSEA - BMI

3 stops23h 06mMultiple Airlines

Deal found 7/15

$496

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Bloomington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Thu 9/25

1:02 pm-11:23 pm

1 stop8h 21m

Bloomington-Normal

Tue 10/14

6:47 am-2:46 pm

1 stop9h 59m

$315

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Fri 8/29

11:35 am-10:16 pm

1 stop8h 41m

Bloomington-Normal

Sun 8/31

3:47 pm-11:59 pm

1 stop10h 12m

$547

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Fri 8/22

5:25 am-3:21 pm

1 stop7h 56m

$163

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Fri 8/22

7:10 am-10:16 pm

2 stops13h 06m

$468

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Wed 7/23

6:15 pm-7:21 pm

3 stops23h 06m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Best time to book a flight from Seattle to Bloomington

Have a flexible travel schedule? Discover the best time to fly to Bloomington from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bloomington

What is the cheapest month to book a flight from Seattle to Bloomington, Illinois?

Currently, August is the cheapest month in which you can book a flight from Seattle to Bloomington, Illinois (average of $353). Flying from Seattle to Bloomington, Illinois in March is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Bloomington

See what other customers who have flown with Delta and American Airlines from Seattle to Bloomington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,959 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,959 reviews

Delta

8.0

Very good

7,959 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,959 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Seattle to Bloomington, Illinois round-trip?
According to our current data, American Airlines ($346), and Delta ($547) offers the cheapest pricing from Seattle to Bloomington, Illinois. American Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Seattle to Bloomington that include hotel bookings?
Yes. In addition to deals on Seattle to Bloomington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Bloomington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Bloomington.
Can I find deals for business class flights from Seattle to Bloomington?
Yes. Cheapflights offers flight deals from Seattle to Bloomington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Bloomington, Illinois?
Currently, August is the cheapest month in which you can book a flight from Seattle to Bloomington, Illinois (average of $353). Flying from Seattle to Bloomington, Illinois in March is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Seattle to Bloomington

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$310	Average$455	FlexibilityNo cancel fee	On-time71%

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$163+ Cheap flights from Seattle to Bloomington, IL (SEA - BMI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Bloomington with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Seattle to Bloomington

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Bloomington

Cheapest flights from Seattle to BloomingtonExplore the most affordable flight options available from Seattle to Bloomington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.

Explore the most affordable flight options available from Seattle to Bloomington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Bloomington that are best for you.

Best time to book a flight from Seattle to Bloomington

Have a flexible travel schedule? Discover the best time to fly to Bloomington from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bloomington

What is the cheapest month to book a flight from Seattle to Bloomington, Illinois?

Reviews of airlines servicing Bloomington

See what other customers who have flown with Delta and American Airlines from Seattle to Bloomington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Bloomington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Seattle to Bloomington, Illinois round-trip?

Can I find deals for flights from Seattle to Bloomington that include hotel bookings?

How can I find direct flights from Seattle to Bloomington?

Can I find deals for business class flights from Seattle to Bloomington?

What is the cheapest month to book a flight from Seattle to Bloomington, Illinois?

Traveling to a place near Bloomington?

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Alternative routes for Seattle to Bloomington

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Top airline flying from Seattle to Bloomington

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Cheapest flights from Seattle to Bloomington
Explore the most affordable flight options available from Seattle to Bloomington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2025.