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$126+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SEA
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from South Bend/Michiana to Seattle/Tacoma Intl are usually found in November or February, booked 85 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Find 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 October 14, 2025.

This American Airlines deal was found by Cheapflights users on 10/12. 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.
Tue 11/187:11 amSBN - SEA
1 stop8h 59mAmerican Airlines
Mon 12/112:59 amSEA - SBN
1 stop7h 51mAmerican Airlines
Deal found 10/12$269
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Tue 11/116:05 amSBN - SEA
2 stops10h 33mUnited Airlines
Sat 11/2211:30 pmSEA - SBN
1 stop8h 43mUnited Airlines
Deal found 10/13$274
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Tue 11/116:05 amSBN - SEA
1 stop6h 45mUnited Airlines
Mon 11/177:00 amSEA - SBN
1 stop8h 12mUnited Airlines
Deal found 10/13$279
This United Airlines deal was found by Cheapflights users on 10/12. 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.
Sat 11/224:55 pmSBN - SEA
2 stops9h 15mUnited Airlines
Fri 11/287:00 amSEA - SBN
1 stop8h 12mUnited Airlines
Deal found 10/12$284
This United Airlines deal was found by Cheapflights users on 10/13. 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 11/64:55 pmSBN - SEA
1 stop8h 33mUnited Airlines
Mon 11/107:00 amSEA - SBN
1 stop8h 12mUnited Airlines
Deal found 10/13$289
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Thu 11/66:00 amSBN - SEA
1 stop9h 53mAmerican Airlines
Sun 11/912:59 amSEA - SBN
1 stop7h 53mAmerican Airlines
Deal found 10/13$344
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/1111:25 amSBN - SEA
1 stop7h 42mUnited Airlines
Wed 12/179:05 amSEA - SBN
2 stops9h 32mUnited Airlines
Deal found 10/13$351
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Tue 11/189:11 amSBN - SEA
2 stops11h 49mUnited Airlines
Tue 12/27:00 amSEA - SBN
1 stop8h 37mUnited Airlines
Deal found 10/14$364

Cheap 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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

One-way from

$126
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$346
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. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 14, 2025.
Use the filters below to find and compare flights from South Bend to Seattle that are best for you.

Fly from

South Bend

Fly to

Seattle

Route

Depart

Return

Price

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 11/18

7:11 am-1:10 pm

1 stop8h 59m

Seattle/Tacoma Intl

Mon 12/1

12:59 am-11:50 am

1 stop7h 51m

$269

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 11/11

6:05 am-9:50 am

1 stop6h 45m

Seattle/Tacoma Intl

Sat 11/22

11:30 pm-10:43 am

1 stop8h 13m

$269

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 11/11

6:05 am-9:50 am

1 stop6h 45m

Seattle/Tacoma Intl

Mon 11/17

7:00 am-6:12 pm

1 stop8h 12m

$279

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 11/22

4:55 pm-11:10 pm

2 stops9h 15m

Seattle/Tacoma Intl

Fri 11/28

7:00 am-6:12 pm

1 stop8h 12m

$284

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 2/27

2:30 pm-6:43 pm

1 stop7h 13m

Seattle/Tacoma Intl

Tue 3/3

9:55 am-8:49 pm

1 stop7h 54m

$334

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 2/26

2:30 pm-6:43 pm

1 stop7h 13m

Seattle/Tacoma Intl

Mon 3/2

12:00 pm-10:28 pm

1 stop7h 28m

$339

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 12/11

11:25 am-4:07 pm

1 stop7h 42m

Seattle/Tacoma Intl

Wed 12/17

9:05 am-9:37 pm

2 stops9h 32m

$351

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 11/8

4:43 pm-11:42 pm

1 stop9h 59m

$135

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 11/10

2:39 pm-12:07 pm

3 stops48h 28m

$150

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 12/11

10:30 pm-10:56 am

2 stops39h 26m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 15 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 October 10, 2025.

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, September is the cheapest month in which you can book a flight from South Bend to Seattle (average of $113). Flying from South Bend to Seattle in December is currently the most expensive (average of $177). 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 October 14, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from South Bend to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,976 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,042 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $269, American Airlines can have you in Seattle from South Bend in 6h 45m. The distance from South Bend to Seattle is about 1797 mi. This flight may include one or multiple stops.

  • 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 $188. Other airlines that can offer you cheap pricing are American Airlines, from $198, and United Airlines, from $271. Delta is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, September is the cheapest month in which you can book a flight from South Bend to Seattle (average of $113). Flying from South Bend to Seattle in December is currently the most expensive (average of $177). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$352FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$271Average$541FlexibilityNo cancel feeOn-time69%

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