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$189+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BMI
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Seattle to Bloomington

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bloomington (BMI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$372
(American Airlines)

One-way from

$189
(American Airlines)

Popular in

November

Cheapest in

January

Average price

$454
Provider with most accurate pricing for Seattle/Tacoma Intl-Bloomington-Normal flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bloomington-Normal flights.
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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. 7% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Seattle to Bloomington

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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:10 amSEA - BMI
1 stop6h 12mAmerican Airlines
Sun 8/313:53 pmBMI - SEA
1 stop7h 45mAmerican Airlines
Deal found 4/28$372
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2211:19 amSEA - BMI
1 stop9h 28mDelta
Sun 5/256:09 amBMI - SEA
1 stop8h 13mDelta
Deal found 4/29$700

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Bloomington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Seattle to Bloomington that are best for you.

Fly from

Seattle

Fly to

Bloomington

Route

Depart

Return

Price

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Thu 8/28

6:10 am-2:22 pm

1 stop6h 12m

Bloomington-Normal

Sun 8/31

3:53 pm-9:38 pm

1 stop7h 45m

$372

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Thu 5/22

11:19 am-10:47 pm

1 stop9h 28m

Bloomington-Normal

Sun 5/25

6:09 am-12:22 pm

1 stop8h 13m

$700

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Tue 6/3

2:20 pm-10:30 pm

1 stop6h 10m

$189

SeattleBloomington

SEA - BMI

SEABMI

Seattle/Tacoma Intl

Tue 6/3

7:25 am-10:47 pm

2 stops13h 22m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

  • Most accurate provider: When it comes to deals on Seattle-Bloomington, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bloomington, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bloomington, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Bloomington, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Bloomington, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Rainfall in Bloomington by month

Plan your trip to Bloomington by taking into account the average rainfall totals by month.

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.

Temperature in Bloomington by month

Plan your trip to Bloomington by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Bloomington

Get insights into the airlines that provide service to Bloomington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bloomington. Reviews last updated April 30, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Seattle to Bloomington by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    According to our current data, American Airlines ($372), and Delta ($700) offers the cheapest pricing from Seattle to Bloomington, Illinois. American Airlines is priced at 20% 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.

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Alternative routes for Seattle to Bloomington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Seattle to Bloomington

Discover the top airline that operate flights from Seattle to Bloomington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$310Average$442FlexibilityNo cancel feeOn-time71%

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