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$144+ Cheap flights from South Bend to Seattle (SBN - 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SEA
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from South Bend to Seattle

Cheapest flights from South Bend to Seattle
Explore the most affordable flight options available from South Bend to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This American Airlines deal was found by Cheapflights users on 3/15. 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.
Wed 4/812:27 pm
SBN
-
SEA
1 stop10h 09m
American Airlines
Wed 4/1511:41 am
SEA
-
SBN
1 stop7h 35m
American Airlines
Deal found 3/15$307
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:05 am
SBN
-
SEA
1 stop6h 55m
United Airlines
Tue 11/2411:50 pm
SEA
-
SBN
1 stop8h 08m
United Airlines
Deal found 3/16$327
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 4/2212:27 pm
SBN
-
SEA
1 stop10h 09m
American Airlines
Sat 4/2512:59 am
SEA
-
SBN
1 stop7h 58m
American Airlines
Deal found 3/13$328
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Wed 4/14:42 pm
SBN
-
SEA
1 stop9h 27m
American Airlines
Wed 4/811:55 pm
SEA
-
SBN
1 stop9h 02m
American Airlines
Deal found 3/12$331
This United Airlines deal was found by Cheapflights users on 3/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:44 pm
SBN
-
SEA
1 stop9h 55m
United Airlines
Tue 6/910:40 pm
SEA
-
SBN
1 stop6h 35m
United Airlines
Deal found 3/13$348
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/3012:27 pm
SBN
-
SEA
1 stop10h 09m
American Airlines
Mon 5/411:55 pm
SEA
-
SBN
1 stop9h 02m
American Airlines
Deal found 3/14$349
This Delta deal was found by Cheapflights users on 3/15. 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.
Wed 5/272:18 pm
SBN
-
SEA
1 stop9h 23m
Delta
Tue 6/91:45 pm
SEA
-
SBN
1 stop5h 34m
Delta
Deal found 3/15$351
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:45 am
SBN
-
SEA
1 stop6h 55m
United Airlines
Tue 6/211:02 am
SEA
-
SBN
2 stops9h 20m
United Airlines
Deal found 3/12$372
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:44 pm
SBN
-
SEA
1 stop9h 52m
United Airlines
Mon 7/2010:40 pm
SEA
-
SBN
1 stop6h 20m
United Airlines
Deal found 3/14$382
This United Airlines deal was found by Cheapflights users on 3/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:06 pm
SBN
-
SEA
2 stops11h 00m
United Airlines
Sat 5/27:00 am
SEA
-
SBN
1 stop6h 09m
United Airlines
Deal found 3/13$383
This United Airlines deal was found by Cheapflights users on 3/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:05 am
SBN
-
SEA
1 stop6h 55m
United Airlines
Wed 11/2510:40 pm
SEA
-
SBN
1 stop6h 23m
United Airlines
Deal found 3/16$386

Find flight deals from South Bend to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from South Bend (SBN) 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(American Airlines)

One-way from

$144
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$377
Provider with most accurate pricing for South Bend/Michiana-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for South Bend/Michiana-Seattle/Tacoma Intl flights.
Search Deals
From South Bend/Michiana to Seattle/Tacoma Intl
Search Deals
One-way flight from South Bend/Michiana to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Bend 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 March 17, 2026.
Use the filters below to find and compare flights from South Bend to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 7/8

3:44 pm-10:36 pm

1 stop9h 52m

Seattle/Tacoma Intl

Mon 7/20

10:40 pm-8:00 am

1 stop6h 20m

$382

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 5/27

6:26 pm-11:59 pm

1 stop8h 33m

Seattle/Tacoma Intl

Tue 6/9

7:40 am-8:44 pm

1 stop10h 04m

$397

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 4/22

7:30 am-11:48 am

1 stop7h 18m

Seattle/Tacoma Intl

Sat 4/25

11:59 pm-11:04 am

1 stop8h 05m

$397
Quickest round-trip

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sun 4/26

8:25 pm-12:34 am

1 stop7h 09m

Seattle/Tacoma Intl

Wed 5/6

2:27 pm-11:23 pm

1 stop5h 56m

$418
Cheapest one-way

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 7/11

6:10 pm-3:39 pm

2 stops24h 29m

$246

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sun 5/10

6:41 pm-9:49 am

3 stops42h 08m

$254
Quickest one-way

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 7/27

2:30 pm-8:29 pm

1 stop8h 59m

$288

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 4/28

6:15 am-6:00 pm

2 stops14h 45m

$292

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 8/25

6:26 pm-10:03 am

2 stops18h 37m

$351

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 6/2

9:00 am-9:10 pm

2 stops15h 10m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from South Bend 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 South Bend to Seattle

How far ahead should I book a flight from South Bend to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from South Bend to Seattle. Price data was last updated on March 13, 2026.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from South Bend to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from South Bend to Seattle?

Currently, October is the cheapest month in which you can book a flight from South Bend to Seattle (average of $112). Flying from South Bend to Seattle in December is currently the most expensive (average of $178). 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 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 March 17, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from South Bend to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,288 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,288 reviews
Delta
7.9
Good
8,288 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,431 reviews
Delta
7.9
Good
8,288 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,468 reviews
Delta
7.9
Good
8,288 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from South Bend to Seattle?

    For as low as $382, United Airlines can have you in Seattle from South Bend in 9h 52m. The distance from South Bend to Seattle is about 1797 mi.

  • What are the cheapest airlines flying from South Bend to Seattle round-trip?

    Cheapflights users have booked flights from South Bend to Seattle round-trip from $129. Other airlines that can offer you cheap pricing are American Airlines, from $218, and United Airlines, from $281. Delta is 69% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from South Bend to Seattle one-way?

    $94 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $119 and $134, respectively.

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

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

  • How can I find direct flights from South Bend to Seattle?

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

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

    Yes. Cheapflights offers flight deals from South Bend 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 South Bend to Seattle?

    Currently, October is the cheapest month in which you can book a flight from South Bend to Seattle (average of $112). Flying from South Bend to Seattle in December is currently the most expensive (average of $178). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from South Bend to Seattle

Discover the top 3 airlines that operate flights from South Bend 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$129Average$352FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$392FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$453FlexibilityNo cancel feeOn-time69%

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