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$327+ Cheap flights from Bloomington, IL to Seattle (BMI - SEA)

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BMI — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Bloomington to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Bloomington (BMI) to Seattle (SEA). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$351
(American Airlines)

One-way from

$327
(Delta)

Popular in

May

Cheapest in

February

Average price

$350
Provider with most accurate pricing for Bloomington-Normal-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Bloomington-Normal-Seattle/Tacoma Intl flights.
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From Bloomington-Normal to Seattle/Tacoma Intl
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One-way flight from Bloomington-Normal to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Bloomington to Seattle

Cheapest flights from Bloomington to Seattle
Explore the most affordable flight options available from Bloomington to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 5/24:14 pmBMI - SEA
1 stop8h 55mAmerican Airlines
Mon 5/56:18 amSEA - BMI
1 stop7h 31mAmerican Airlines
Deal found 2/20$351
This Delta deal was found by Cheapflights users on 2/20. 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 9/183:50 pmBMI - SEA
1 stop10h 18mDelta
Mon 9/228:50 amSEA - BMI
2 stops11h 33mDelta
Deal found 2/20$1,117

Find flights from Bloomington to Seattle within your budget

Customize your flight search to find flights from Bloomington to Seattle 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 February 20, 2025.

Fly from

Bloomington

Fly to

Seattle

Route

Depart

Return

Price

BloomingtonSeattle

BMI - SEA

BMISEA

Bloomington-Normal

Fri 5/2

4:14 pm-11:09 pm

1 stop8h 55m

Seattle/Tacoma Intl

Mon 5/5

6:18 am-3:49 pm

1 stop7h 31m

$351

BloomingtonSeattle

BMI - SEA

BMISEA

Bloomington-Normal

Thu 8/7

3:50 pm-11:58 pm

2 stops10h 08m

Seattle/Tacoma Intl

Mon 8/18

7:20 am-10:23 pm

2 stops13h 03m

$1,315

BloomingtonSeattle

BMI - SEA

BMISEA

Bloomington-Normal

Sun 4/6

4:00 pm-6:32 pm

1 stop28h 32m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Bloomington to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bloomington to Seattle in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bloomington, Illinois-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bloomington, Illinois-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bloomington, Illinois-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bloomington, Illinois-Seattle 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 Bloomington, Illinois-Seattle 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 Bloomington to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Bloomington 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.

Travel insights for flights from Bloomington to Seattle

Get recent, data-driven insights about flights from Bloomington to Seattle including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Bloomington, Illinois to Seattle (average of $238). Flying from Bloomington, Illinois to Seattle in July is currently the most expensive (average of $411). 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.

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

Find hourly flight availability from Bloomington to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

One of the essential ways to save on airfare from Bloomington, Illinois to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 31% on airfare.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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 Bloomington to Seattle. 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 Bloomington, Illinois to Seattle round-trip?

    Cheapflights users have booked flights from Bloomington, Illinois to Seattle round-trip from $351. Another airline that can offer you cheap pricing is Delta. American Airlines is 28% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Bloomington to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Bloomington to Seattle 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 Bloomington, Illinois to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Bloomington, Illinois to Seattle (average of $238). Flying from Bloomington, Illinois to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Bloomington?

Book flights to Bloomington if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Top airline flying from Bloomington to Seattle

Discover the top airline that operate flights from Bloomington to Seattle. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$305Average$497FlexibilityNo cancel feeOn-time71%
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