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Cheap flights from South Bend to Seattle from $139

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 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
2:24 pm - 11:26 pm
SEA
-
SBN
6h 02m
1 stop
$267United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
1:06 pm - 7:00 pm
SBN
-
SEA
8h 54m
1 stop
United Airlines Logo
7:00 am - 6:17 pm
SEA
-
SBN
8h 17m
1 stop
$288United Airlines
Fri, Apr 24 - Tue, Apr 28
United Airlines Logo
1:06 pm - 7:00 pm
SBN
-
SEA
8h 54m
1 stop
United Airlines Logo
5:00 am - 4:07 pm
SEA
-
SBN
8h 07m
2 stops
$293United Airlines
Fri, Apr 24 - Tue, Apr 28
United Airlines Logo
4:44 pm - 10:42 pm
SBN
-
SEA
8h 58m
1 stop
United Airlines Logo
7:00 am - 4:09 pm
SEA
-
SBN
6h 09m
1 stop
$296United Airlines
Wed, May 6 - Sat, May 16
United Airlines Logo
3:14 pm - 7:00 pm
SBN
-
SEA
6h 46m
1 stop
United Airlines Logo
7:00 am - 4:09 pm
SEA
-
SBN
6h 09m
1 stop
$301United Airlines
Wed, May 6 - Sat, May 16
American Airlines Logo
4:42 pm - 12:55 am
SBN
-
SEA
11h 13m
1 stop
American Airlines Logo
6:00 am - 7:05 pm
SEA
-
SBN
10h 05m
1 stop
$309American Airlines
Fri, Feb 27 - Mon, Mar 2
Delta Logo
4:57 pm - 11:53 pm
SBN
-
SEA
9h 56m
1 stop
Delta Logo
9:45 pm - 11:13 am
SEA
-
SBN
10h 28m
1 stop
$313Delta
Wed, Apr 22 - Mon, Apr 27
United Airlines Logo
1:06 pm - 7:00 pm
SBN
-
SEA
8h 54m
1 stop
United Airlines Logo
5:00 am - 4:07 pm
SEA
-
SBN
8h 07m
2 stops
$316United Airlines
Fri, Apr 24 - Tue, Apr 28
United Airlines Logo
4:45 pm - 10:37 pm
SBN
-
SEA
8h 52m
1 stop
United Airlines Logo
11:59 pm - 11:04 am
SEA
-
SBN
8h 05m
1 stop
$322United Airlines
Thu, Apr 23 - Sun, Apr 26
United Airlines Logo
3:26 pm - 7:03 pm
SBN
-
SEA
6h 37m
1 stop
United Airlines Logo
11:59 pm - 10:37 am
SEA
-
SBN
7h 38m
1 stop
$328United Airlines
Fri, Feb 27 - Fri, Mar 6

American Airlines flights from South Bend to Seattle

Our best American Airlines deals on South Bend to Seattle flight tickets
American Airlines
Feb 27
SBN4:42 pmSouth Bend/Michiana
11h 13m
1 stop
SEA12:55 amSeattle/Tacoma Intl
Mar 2
SEA6:00 amSeattle/Tacoma Intl
10h 05m
1 stop
SBN7:05 pmSouth Bend/Michiana
$309
American Airlines
Mar 13
SBN4:42 pmSouth Bend/Michiana
11h 13m
1 stop
SEA12:55 amSeattle/Tacoma Intl
Mar 15
SEA10:08 pmSeattle/Tacoma Intl
10h 07m
1 stop
SBN11:15 amSouth Bend/Michiana
$601
American Airlines
Jul 23
SBN6:35 pmSouth Bend/Michiana
9h 22m
1 stop
SEA12:57 amSeattle/Tacoma Intl
Jul 26
SEA11:20 pmSeattle/Tacoma Intl
9h 38m
1 stop
SBN11:58 amSouth Bend/Michiana
$607

Delta flights from South Bend to Seattle

Our best Delta deals on South Bend to Seattle flight tickets
Delta
Apr 22
SBN4:57 pmSouth Bend/Michiana
9h 56m
1 stop
SEA11:53 pmSeattle/Tacoma Intl
Apr 27
SEA9:45 pmSeattle/Tacoma Intl
10h 28m
1 stop
SBN11:13 amSouth Bend/Michiana
$313
Delta
May 27
SBN2:30 pmSouth Bend/Michiana
8h 59m
1 stop
SEA8:29 pmSeattle/Tacoma Intl
Jun 9
SEA11:50 amSeattle/Tacoma Intl
7h 29m
1 stop
SBN10:19 pmSouth Bend/Michiana
$367
Delta
Feb 4
SBN5:18 pmSouth Bend/Michiana
8h 57m
1 stop
SEA11:15 pmSeattle/Tacoma Intl
Feb 7
SEA12:00 pmSeattle/Tacoma Intl
7h 35m
1 stop
SBN10:35 pmSouth Bend/Michiana
$469

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 January 29, 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

Wed 4/1

1:06 pm-7:00 pm

1 stop8h 54m

Seattle/Tacoma Intl

Wed 4/8

2:24 pm-11:26 pm

1 stop6h 02m

$267

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 4/24

1:06 pm-7:00 pm

1 stop8h 54m

Seattle/Tacoma Intl

Tue 4/28

7:00 am-6:17 pm

1 stop8h 17m

$288

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 4/24

1:06 pm-7:00 pm

1 stop8h 54m

Seattle/Tacoma Intl

Tue 4/28

5:00 am-4:07 pm

2 stops8h 07m

$293

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 5/6

4:44 pm-10:42 pm

1 stop8h 58m

Seattle/Tacoma Intl

Sat 5/16

7:00 am-4:09 pm

1 stop6h 09m

$296

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 5/6

3:14 pm-7:00 pm

1 stop6h 46m

Seattle/Tacoma Intl

Sat 5/16

7:00 am-4:09 pm

1 stop6h 09m

$301

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 2/27

4:42 pm-12:55 am

1 stop11h 13m

Seattle/Tacoma Intl

Mon 3/2

6:00 am-7:05 pm

1 stop10h 05m

$309

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 4/22

4:57 pm-11:53 pm

1 stop9h 56m

Seattle/Tacoma Intl

Mon 4/27

9:45 pm-11:13 am

1 stop10h 28m

$313

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 4/24

1:06 pm-7:00 pm

1 stop8h 54m

Seattle/Tacoma Intl

Tue 4/28

5:00 am-4:07 pm

2 stops8h 07m

$316

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 4/23

4:45 pm-10:37 pm

1 stop8h 52m

Seattle/Tacoma Intl

Sun 4/26

11:59 pm-11:04 am

1 stop8h 05m

$322

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 2/27

3:26 pm-7:03 pm

1 stop6h 37m

Seattle/Tacoma Intl

Fri 3/6

11:59 pm-10:37 am

1 stop7h 38m

$328

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, March 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 $336. If you don’t want to visit Seattle in March, then you should wait until September to fly from South Bend, when ticket prices are also cheap, with an average price of $338.

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 $237 on momondo.

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

As of January 2026, prices for South Bend to Seattle flights are approximately 10% 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 37m

Direct flights

None
The fastest flight from South Bend to Seattle takes 6h 37m
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 37m.

  • 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
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,215 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
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
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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