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Cheap flights from South Bend to Seattle from $140

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Bend to Seattle departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from South Bend to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:06 pm - 7:00 pm
SBN
-
SEA
8h 54m
1 stop
United Airlines Logo
8:00 am - 8:44 pm
SEA
-
SBN
9h 44m
1 stop
$267United Airlines
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
11:40 am - 6:00 pm
SBN
-
SEA
9h 20m
2 stops
United Airlines Logo
7:00 am - 6:42 pm
SEA
-
SBN
8h 42m
1 stop
$272United Airlines
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
8:25 pm - 12:19 am
SBN
-
SEA
6h 54m
1 stop
United Airlines Logo
7:00 am - 6:42 pm
SEA
-
SBN
8h 42m
1 stop
$288United Airlines
Mon, Apr 13 - Sat, Apr 18
Delta Logo
2:16 pm - 6:26 pm
SBN
-
SEA
7h 10m
1 stop
Delta Logo
11:50 am - 10:29 pm
SEA
-
SBN
7h 39m
1 stop
$291Delta
Mon, Mar 16 - Tue, Mar 24
United Airlines Logo
8:25 pm - 12:19 am
SBN
-
SEA
6h 54m
1 stop
United Airlines Logo
8:51 am - 11:26 pm
SEA
-
SBN
11h 35m
2 stops
$293United Airlines
Mon, Apr 13 - Sat, Apr 18
United Airlines Logo
11:40 am - 6:35 pm
SBN
-
SEA
9h 55m
2 stops
United Airlines Logo
5:00 am - 4:07 pm
SEA
-
SBN
8h 07m
2 stops
$296United Airlines
Wed, Apr 22 - Sat, Apr 25
Delta Logo
8:20 am - 2:20 pm
SBN
-
SEA
9h 00m
1 stop
Delta Logo
11:50 am - 10:29 pm
SEA
-
SBN
7h 39m
1 stop
$309Delta
Fri, Mar 20 - Mon, Mar 23
United Airlines Logo
8:25 pm - 12:19 am
SBN
-
SEA
6h 54m
1 stop
United Airlines Logo
8:45 am - 9:45 pm
SEA
-
SBN
10h 00m
2 stops
$310United Airlines
Mon, Apr 20 - Sat, Apr 25
United Airlines Logo
1:13 pm - 7:03 pm
SBN
-
SEA
8h 50m
1 stop
United Airlines Logo
11:59 pm - 10:37 am
SEA
-
SBN
7h 38m
1 stop
$315United Airlines
Thu, Mar 12 - Mon, Mar 16
United Airlines Logo
4:45 pm - 10:45 pm
SBN
-
SEA
9h 00m
1 stop
United Airlines Logo
7:00 am - 4:01 pm
SEA
-
SBN
6h 01m
1 stop
$333United Airlines
Mon, Mar 16 - Tue, Mar 24

Delta flights from South Bend to Seattle

Our best Delta deals on South Bend to Seattle flight tickets
Delta
Mar 16
SBN2:16 pmSouth Bend/Michiana
7h 10m
1 stop
SEA6:26 pmSeattle/Tacoma Intl
Mar 24
SEA11:50 amSeattle/Tacoma Intl
7h 39m
1 stop
SBN10:29 pmSouth Bend/Michiana
$291
Delta
Mar 20
SBN8:20 amSouth Bend/Michiana
9h 00m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
Mar 23
SEA11:50 amSeattle/Tacoma Intl
7h 39m
1 stop
SBN10:29 pmSouth Bend/Michiana
$309
Delta
Mar 16
SBN4:53 pmSouth Bend/Michiana
10h 04m
1 stop
SEA11:57 pmSeattle/Tacoma Intl
Mar 24
SEA11:50 amSeattle/Tacoma Intl
7h 39m
1 stop
SBN10:29 pmSouth Bend/Michiana
$358

United Airlines flights from South Bend to Seattle

Our best United Airlines deals on South Bend to Seattle flight tickets
United Airlines
Apr 14
SBN1:06 pmSouth Bend/Michiana
8h 54m
1 stop
SEA7:00 pmSeattle/Tacoma Intl
Apr 18
SEA8:00 amSeattle/Tacoma Intl
9h 44m
1 stop
SBN8:44 pmSouth Bend/Michiana
$267
United Airlines
Apr 14
SBN11:40 amSouth Bend/Michiana
9h 20m
2 stops
SEA6:00 pmSeattle/Tacoma Intl
Apr 18
SEA7:00 amSeattle/Tacoma Intl
8h 42m
1 stop
SBN6:42 pmSouth Bend/Michiana
$272
United Airlines
Apr 13
SBN8:25 pmSouth Bend/Michiana
6h 54m
1 stop
SEA12:19 amSeattle/Tacoma Intl
Apr 18
SEA7:00 amSeattle/Tacoma Intl
8h 42m
1 stop
SBN6:42 pmSouth Bend/Michiana
$288

momondo 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, momondo users made 832,500 searches. Data last updated February 27, 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

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 4/14

1:06 pm-7:00 pm

1 stop8h 54m

Seattle/Tacoma Intl

Sat 4/18

8:00 am-8:44 pm

1 stop9h 44m

$267

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 4/14

11:40 am-6:00 pm

2 stops9h 20m

Seattle/Tacoma Intl

Sat 4/18

7:00 am-6:42 pm

1 stop8h 42m

$272

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 4/13

8:25 pm-12:19 am

1 stop6h 54m

Seattle/Tacoma Intl

Sat 4/18

7:00 am-6:42 pm

1 stop8h 42m

$288

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 3/16

2:16 pm-6:26 pm

1 stop7h 10m

Seattle/Tacoma Intl

Tue 3/24

11:50 am-10:29 pm

1 stop7h 39m

$291

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 4/13

8:25 pm-12:19 am

1 stop6h 54m

Seattle/Tacoma Intl

Sat 4/18

8:51 am-11:26 pm

2 stops11h 35m

$293

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 4/22

11:40 am-6:35 pm

2 stops9h 55m

Seattle/Tacoma Intl

Sat 4/25

5:00 am-4:07 pm

2 stops8h 07m

$296

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 3/20

8:20 am-2:20 pm

1 stop9h 00m

Seattle/Tacoma Intl

Mon 3/23

11:50 am-10:29 pm

1 stop7h 39m

$309

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 4/20

8:25 pm-12:19 am

1 stop6h 54m

Seattle/Tacoma Intl

Sat 4/25

8:45 am-9:45 pm

2 stops10h 00m

$310

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 3/12

1:13 pm-7:03 pm

1 stop8h 50m

Seattle/Tacoma Intl

Mon 3/16

11:59 pm-10:37 am

1 stop7h 38m

$315

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Mon 3/16

4:45 pm-10:45 pm

1 stop9h 00m

Seattle/Tacoma Intl

Tue 3/24

7:00 am-4:01 pm

1 stop6h 01m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from South Bend to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from South Bend to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. If you don’t want to visit Seattle in September, then you should wait until March to fly from South Bend, when ticket prices are also cheap, with an average price of $360.

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

You are more likely to see cheaper flights to Seattle from South Bend when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $428 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from South Bend for as low as $256 on momondo.

How have South Bend to Seattle flight prices changed over time?

As of February 2026, prices for South Bend to Seattle flights are approximately 103% more expensive when compared to flights at the same time last year.

When to book flights from South Bend to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from South Bend to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap South Bend to Seattle (SBN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Bend to Seattle

Fastest flight time

6h 55m

Direct flights

None
The fastest flight from South Bend to Seattle takes 6h 55m
There are no direct flights from South Bend to Seattle. There are no popular flight routes from South Bend to Seattle.
Search flight deals

  • How far is South Bend/Michiana to Seattle/Tacoma Intl by plane?

    There are 1802.0 mi between South Bend/Michiana and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 6h 55m.

  • When did momondo last update prices for flights from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Bend/Michiana Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from South Bend to Seattle?

Best airlines flying from South Bend to Seattle

Compare and see reviews for airlines that fly from South Bend to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $129Free CancellationRating
7.9
8,242 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.2
11,357 reviews
Search American Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,349 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Fife
Westport
Kirkland
Centralia
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from South Bend to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Bend to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from South Bend to Seattle with flexible booking policies on momondo?

Flights from South Bend to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from South Bend to Seattle?

Once all potential South Bend to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from South Bend to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from South Bend. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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