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 $265. Delta is 59% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from South Bend to Seattle?

Travelers seeking maximum savings on their South Bend to Seattle flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from South Bend to Seattle?

The most popular airlines flying from South Bend to Seattle are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from South Bend to Seattle?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 97% on your flight compared to booking on days when demand is much higher.

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

Find a great deal and save up to 123% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from South Bend to Seattle within the next two weeks, with the cheapest ticket starting at $409.

What is the cheapest month to fly from South Bend to Seattle?

The best pricing can be found in the month of November. Prices to Seattle from South Bend average $461. You can even find prices in November for less than $461, as users have found deals to Seattle from as low as $188. The month of December appears to be one of the more expensive times to travel to Seattle from South Bend. Flying in the targeted month can save you up to 63%.

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

When flying from South Bend to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight in the morning.

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.

$95+ Flights from South Bend to Seattle

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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 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

Round-trip from	$189 (American Airlines)
One-way from	$95 (Delta)
Popular in	December
Cheapest in	November
Average price	$482

From South Bend/Michiana to Seattle/Tacoma Intl

Search Deals

One-way flight from South Bend/Michiana to Seattle/Tacoma Intl

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Highest demand for flights based on searches. 1% potential increase in price ($8 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 August 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 August 16, 2025.

Sat 10/257:28 amSBN - SEA

1 stop10h 18mAmerican Airlines

Tue 10/2811:49 pmSEA - SBN

1 stop7h 43mAmerican Airlines

Deal found 8/15

$189

Sat 10/252:16 pmSBN - SEA

1 stop7h 07mDelta

Tue 10/286:00 amSEA - SBN

2 stops12h 39mDelta

Deal found 8/15

$194

Sat 9/136:12 pmSBN - SEA

1 stop7h 08mUnited Airlines

Sat 9/2011:54 pmSEA - SBN

1 stop8h 18mUnited Airlines

Deal found 8/14

$249

Thu 11/136:05 amSBN - SEA

1 stop6h 45mUnited Airlines

Mon 11/1711:59 pmSEA - SBN

1 stop7h 54mUnited Airlines

Deal found 8/15

$282

Thu 11/138:00 amSBN - SEA

1 stop9h 24mDelta

Mon 11/1711:55 pmSEA - SBN

2 stops10h 53mDelta

Deal found 8/15

$299

Mon 9/86:12 pmSBN - SEA

1 stop7h 08mUnited Airlines

Tue 9/92:00 pmSEA - SBN

1 stop6h 23mUnited Airlines

Deal found 8/15

$308

Thu 11/1311:56 amSBN - SEA

1 stop10h 48mAmerican Airlines

Sun 11/1612:59 amSEA - SBN

1 stop7h 49mAmerican Airlines

Deal found 8/15

$324

Fri 9/124:55 pmSBN - SEA

1 stop8h 23mUnited Airlines

Fri 9/1910:55 pmSEA - SBN

2 stops10h 41mUnited Airlines

Deal found 8/15

$326

Best flights from South Bend to Seattle
Discover carefully curated flight deals from South Bend to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2025.

Sat 10/257:28 amSBN - SEA

1 stop10h 18mAmerican Airlines

Tue 10/2811:49 pmSEA - SBN

1 stop7h 43mAmerican Airlines

Deal found 8/15

$189

Sat 10/252:16 pmSBN - SEA

1 stop7h 07mDelta

Tue 10/286:00 amSEA - SBN

2 stops12h 39mDelta

Deal found 8/15

$194

Sat 9/136:12 pmSBN - SEA

1 stop7h 08mUnited Airlines

Sat 9/2011:54 pmSEA - SBN

1 stop8h 18mUnited Airlines

Deal found 8/14

$249

Thu 11/136:05 amSBN - SEA

1 stop6h 45mUnited Airlines

Mon 11/1711:59 pmSEA - SBN

1 stop7h 54mUnited Airlines

Deal found 8/15

$282

Thu 11/138:00 amSBN - SEA

1 stop9h 24mDelta

Mon 11/1711:55 pmSEA - SBN

2 stops10h 53mDelta

Deal found 8/15

$299

Thu 11/1311:56 amSBN - SEA

1 stop10h 48mAmerican Airlines

Sun 11/1612:59 amSEA - SBN

1 stop7h 49mAmerican Airlines

Deal found 8/15

$324

Mon 9/86:12 pmSBN - SEA

1 stop7h 08mUnited Airlines

Tue 9/92:00 pmSEA - SBN

1 stop6h 23mUnited Airlines

Deal found 8/15

$308

Fri 9/124:55 pmSBN - SEA

1 stop8h 23mUnited Airlines

Fri 9/1910:55 pmSEA - SBN

2 stops10h 41mUnited Airlines

Deal found 8/15

$326

Last-minute flights from South Bend to Seattle
Discover last-minute flight deals from South Bend to Seattle. Data last updated August 16, 2025 and is based on user searches.

Wed 8/207:35 amSBN - SEA

1 stop10h 16mAmerican Airlines

Sat 8/305:35 amSEA - SBN

1 stop10h 37mAmerican Airlines

Deal found 8/15

$428

Mon 9/86:12 pmSBN - SEA

1 stop7h 08mUnited Airlines

Tue 9/92:00 pmSEA - SBN

1 stop6h 23mUnited Airlines

Deal found 8/15

$308

Mon 9/85:25 pmSBN - SEA

1 stop9h 34mDelta

Tue 9/911:55 pmSEA - SBN

2 stops11h 25mDelta

Deal found 8/15

$368

Fri 9/124:55 pmSBN - SEA

1 stop8h 23mUnited Airlines

Fri 9/1910:55 pmSEA - SBN

2 stops10h 41mUnited Airlines

Deal found 8/15

$326

Fri 9/121:31 pmSBN - SEA

1 stop9h 28mAmerican Airlines

Sun 9/1411:49 pmSEA - SBN

1 stop9h 15mAmerican Airlines

Deal found 8/14

$399

Sat 9/136:12 pmSBN - SEA

1 stop7h 08mUnited Airlines

Sat 9/2011:54 pmSEA - SBN

1 stop8h 18mUnited Airlines

Deal found 8/14

$249

Sat 9/132:15 pmSBN - SEA

2 stops12h 39mDelta

Sat 9/2011:40 pmSEA - SBN

2 stops7h 45mDelta

Deal found 8/14

$349

Sun 9/216:17 pmSBN - SEA

1 stop7h 03mUnited Airlines

Sat 9/277:00 amSEA - SBN

1 stop6h 02mUnited Airlines

Deal found 8/15

$418

One-way flights from South Bend to Seattle
Search for one-way flight options from South Bend to Seattle. Find affordable one-way fares based on user searches. Data last updated August 16, 2025.

Tue 10/75:09 pmSBN - SEA

1 stop9h 45mDelta

Deal found 8/14

$95

Wed 9/104:55 pmSBN - SEA

1 stop8h 25mUnited Airlines

Deal found 8/15

$125

Sat 9/62:00 pmSBN - SEA

1 stop9h 19mDelta

Deal found 8/15

$135

Tue 9/26:23 amSBN - SEA

1 stop6h 20mUnited Airlines

Deal found 8/16

$170

Mon 10/611:49 amSBN - SEA

3 stops27h 18mMultiple Airlines

Deal found 8/14

$177

Thu 10/211:37 amSBN - SEA

3 stops12h 38mUnited Airlines

Deal found 8/13

$180

Mon 10/65:09 pmSBN - SEA

1 stop9h 45mDelta

Deal found 8/14

$190

Wed 9/106:02 pmSBN - SEA

3 stops33h 28mMultiple Airlines

Deal found 8/15

$192

Sun 8/241:11 pmSBN - SEA

1 stop8h 38mUnited Airlines

Deal found 8/13

$274

Fly from

Fly to

Route

Depart

Return

Price

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 10/25

7:28 am-2:46 pm

1 stop10h 18m

Seattle/Tacoma Intl

Tue 10/28

11:49 pm-10:32 am

1 stop7h 43m

$189

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 10/25

2:16 pm-6:23 pm

1 stop7h 07m

Seattle/Tacoma Intl

Tue 10/28

6:00 am-9:39 pm

2 stops12h 39m

$194

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 9/13

6:12 pm-10:20 pm

1 stop7h 08m

Seattle/Tacoma Intl

Sat 9/20

11:54 pm-11:12 am

1 stop8h 18m

$249

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 11/13

6:05 am-9:50 am

1 stop6h 45m

Seattle/Tacoma Intl

Mon 11/17

11:59 pm-10:53 am

1 stop7h 54m

$282

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 11/13

8:00 am-2:24 pm

1 stop9h 24m

Seattle/Tacoma Intl

Mon 11/17

11:55 pm-1:48 pm

2 stops10h 53m

$299

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 9/8

6:12 pm-10:20 pm

1 stop7h 08m

Seattle/Tacoma Intl

Tue 9/9

2:00 pm-11:23 pm

1 stop6h 23m

$308

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 11/13

11:56 am-7:44 pm

1 stop10h 48m

Seattle/Tacoma Intl

Sun 11/16

12:59 am-11:48 am

1 stop7h 49m

$324

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 9/12

4:55 pm-10:18 pm

1 stop8h 23m

Seattle/Tacoma Intl

Fri 9/19

10:55 pm-12:36 pm

2 stops10h 41m

$326

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 10/7

5:09 pm-11:54 pm

1 stop9h 45m

$95

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 9/10

4:55 pm-10:20 pm

1 stop8h 25m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 15 results

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?

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 $389). 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

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

7,985 reviews

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

7,985 reviews

Delta

8.0

Very good

7,985 reviews

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

8,916 reviews

Delta

8.0

Very good

7,985 reviews

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

7,985 reviews

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

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 $265. 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 $389). 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

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Shelton

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Other flights to Seattle

Top 3 airlines flying from South Bend to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$188	Average$375	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$188	Average$440	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$265	Average$535	FlexibilityNo cancel fee	On-time69%

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$95+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Bend to Seattle with Cheapflights

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3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Bend to Seattle

Cheapest flights from South Bend to SeattleExplore 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 August 16, 2025.

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 August 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Bend to Seattle that are best for you.

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.

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 8, 2025.

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

Reviews of airlines servicing Seattle

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.

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.

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

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

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

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

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Bend to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from South Bend to Seattle

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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 August 16, 2025.