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$105+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SBN — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from South Bend/Michiana to Seattle/Tacoma Intl are usually found in November or March, booked 82 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

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 September 11, 2025.

Round-trip from

$209
(American Airlines)

One-way from

$105
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$423
From South Bend/Michiana to Seattle/Tacoma Intl
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One-way flight from South Bend/Michiana to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/2512:01 pmSBN - SEA
1 stop9h 09mAmerican Airlines
Tue 10/2812:30 pmSEA - SBN
1 stop8h 06mAmerican Airlines
Deal found 9/10$209
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 9/2712:34 pmSBN - SEA
1 stop9h 35mAmerican Airlines
Tue 10/711:24 pmSEA - SBN
1 stop9h 34mAmerican Airlines
Deal found 9/9$239
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 9/286:05 amSBN - SEA
1 stop6h 38mUnited Airlines
Sat 10/45:00 amSEA - SBN
2 stops9h 36mUnited Airlines
Deal found 9/9$254
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/133:18 pmSBN - SEA
1 stop6h 34mUnited Airlines
Sun 11/1611:59 pmSEA - SBN
1 stop7h 54mUnited Airlines
Deal found 9/10$269
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/256:05 amSBN - SEA
1 stop6h 38mUnited Airlines
Wed 10/18:00 amSEA - SBN
1 stop8h 48mUnited Airlines
Deal found 9/8$271
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/156:12 pmSBN - SEA
1 stop7h 18mUnited Airlines
Wed 10/228:00 amSEA - SBN
1 stop8h 48mUnited Airlines
Deal found 9/11$284
This United Airlines deal was found by Cheapflights users on 9/11. 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
Mon 12/159:25 amSEA - SBN
2 stops10h 59mUnited Airlines
Deal found 9/11$302
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/137:11 amSBN - SEA
1 stop10h 48mAmerican Airlines
Sat 11/1512:59 amSEA - SBN
1 stop7h 51mAmerican Airlines
Deal found 9/10$304
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/81:08 pmSBN - SEA
2 stops11h 05mUnited Airlines
Tue 11/117:00 amSEA - SBN
1 stop8h 12mUnited Airlines
Deal found 9/9$324

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 September 11, 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

Sat 10/25

6:00 am-12:51 pm

1 stop9h 51m

Seattle/Tacoma Intl

Tue 10/28

11:49 pm-10:32 am

1 stop7h 43m

$209

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 11/8

7:11 am-1:10 pm

1 stop8h 59m

Seattle/Tacoma Intl

Mon 11/10

12:41 am-11:52 am

1 stop8h 11m

$209

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 9/27

12:34 pm-7:09 pm

1 stop9h 35m

Seattle/Tacoma Intl

Tue 10/7

11:24 pm-11:58 am

1 stop9h 34m

$239

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 9/25

6:05 am-9:43 am

1 stop6h 38m

Seattle/Tacoma Intl

Wed 10/1

8:00 am-7:48 pm

1 stop8h 48m

$271

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sun 9/28

6:05 am-9:43 am

1 stop6h 38m

Seattle/Tacoma Intl

Sat 10/4

7:00 am-5:36 pm

1 stop7h 36m

$279

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 10/15

6:12 pm-10:30 pm

1 stop7h 18m

Seattle/Tacoma Intl

Wed 10/22

8:00 am-7:48 pm

1 stop8h 48m

$284

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 11/13

7:11 am-2:59 pm

1 stop10h 48m

Seattle/Tacoma Intl

Sat 11/15

12:59 am-11:50 am

1 stop7h 51m

$304

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 11/8

1:08 pm-9:13 pm

2 stops11h 05m

Seattle/Tacoma Intl

Tue 11/11

7:00 am-6:12 pm

1 stop8h 12m

$324

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 12/11

11:25 am-4:07 pm

1 stop7h 42m

Seattle/Tacoma Intl

Mon 12/15

1:40 pm-11:24 pm

1 stop6h 44m

$331

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 10/4

1:31 pm-8:05 pm

1 stop9h 34m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
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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 August 29, 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, January is the cheapest month in which you can book a flight from South Bend to Seattle (average of $238). Flying from South Bend to Seattle in June is currently the most expensive (average of $388). 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 September 11, 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
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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

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 $271, American Airlines can have you in Seattle from South Bend in 6h 38m. 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 $188, and United Airlines, from $262. Delta is 59% 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, January is the cheapest month in which you can book a flight from South Bend to Seattle (average of $238). Flying from South Bend to Seattle in June is currently the most expensive (average of $388). 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
Lacey
Renton
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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$188Average$369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$440FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$262Average$530FlexibilityNo cancel feeOn-time69%

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