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Cheap flights from South Bend to Seattle from $261

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from South Bend to Seattle departing on 9/16. 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.
Delta Logo
3:08 pm - 10:02 pm
SBN
-
SEA
9h 54m
1 stop
Delta Logo
11:59 am - 10:35 pm
SEA
-
SBN
7h 36m
1 stop
$261Delta
Wed, Sep 16 - Wed, Sep 30
American Airlines Logo
6:37 pm - 12:59 am
SBN
-
SEA
9h 22m
1 stop
American Airlines Logo
5:10 am - 6:51 pm
SEA
-
SBN
10h 41m
1 stop
$304American Airlines
Wed, Jun 24 - Sat, Jul 4
Delta Logo
3:16 pm - 10:05 pm
SBN
-
SEA
9h 49m
1 stop
Delta Logo
5:10 am - 2:34 pm
SEA
-
SBN
6h 24m
1 stop
$311Delta
Tue, Aug 18 - Sat, Aug 22
Delta Logo
3:16 pm - 10:05 pm
SBN
-
SEA
9h 49m
1 stop
Delta Logo
5:10 am - 2:34 pm
SEA
-
SBN
6h 24m
1 stop
$336Delta
Thu, Aug 13 - Sat, Aug 22
United Airlines Logo
7:30 am - 11:40 am
SBN
-
SEA
7h 10m
1 stop
United Airlines Logo
7:00 am - 6:50 pm
SEA
-
SBN
8h 50m
1 stop
$361United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
3:17 pm - 11:21 pm
SBN
-
SEA
11h 04m
2 stops
United Airlines Logo
7:00 am - 6:50 pm
SEA
-
SBN
8h 50m
1 stop
$366United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
9:15 am - 8:18 pm
SBN
-
SEA
14h 03m
2 stops
United Airlines Logo
5:20 pm - 10:57 am
SEA
-
SBN
14h 37m
2 stops
$371United Airlines
Sat, Sep 19 - Wed, Sep 23
Delta Logo
7:15 am - 10:59 am
SBN
-
SEA
6h 44m
1 stop
Delta Logo
5:10 am - 2:34 pm
SEA
-
SBN
6h 24m
1 stop
$380Delta
Tue, Aug 11 - Wed, Aug 26
American Airlines Logo
6:37 pm - 12:59 am
SBN
-
SEA
9h 22m
1 stop
American Airlines Logo
12:44 am - 12:03 pm
SEA
-
SBN
8h 19m
1 stop
$389American Airlines
Wed, Jul 1 - Mon, Aug 3
United Airlines Logo
3:32 pm - 7:15 pm
SBN
-
SEA
6h 43m
1 stop
United Airlines Logo
11:04 pm - 10:04 am
SEA
-
SBN
8h 00m
1 stop
$402United Airlines
Fri, Sep 11 - Sun, Sep 13

Delta flights from South Bend to Seattle

Our best Delta deals on South Bend to Seattle flight tickets
Delta
Sep 16
SBN3:08 pmSouth Bend/Michiana
9h 54m
1 stop
SEA10:02 pmSeattle/Tacoma Intl
Sep 30
SEA11:59 amSeattle/Tacoma Intl
7h 36m
1 stop
SBN10:35 pmSouth Bend/Michiana
$261
Delta
Aug 18
SBN3:16 pmSouth Bend/Michiana
9h 49m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
Aug 22
SEA5:10 amSeattle/Tacoma Intl
6h 24m
1 stop
SBN2:34 pmSouth Bend/Michiana
$311
Delta
Aug 13
SBN3:16 pmSouth Bend/Michiana
9h 49m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
Aug 22
SEA5:10 amSeattle/Tacoma Intl
6h 24m
1 stop
SBN2:34 pmSouth Bend/Michiana
$336

United Airlines flights from South Bend to Seattle

Our best United Airlines deals on South Bend to Seattle flight tickets
United Airlines
Nov 14
SBN7:30 amSouth Bend/Michiana
7h 10m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Nov 18
SEA7:00 amSeattle/Tacoma Intl
8h 50m
1 stop
SBN6:50 pmSouth Bend/Michiana
$361
United Airlines
Nov 14
SBN3:17 pmSouth Bend/Michiana
11h 04m
2 stops
SEA11:21 pmSeattle/Tacoma Intl
Nov 18
SEA7:00 amSeattle/Tacoma Intl
8h 50m
1 stop
SBN6:50 pmSouth Bend/Michiana
$366
United Airlines
Sep 19
SBN9:15 amSouth Bend/Michiana
14h 03m
2 stops
SEA8:18 pmSeattle/Tacoma Intl
Sep 23
SEA5:20 pmSeattle/Tacoma Intl
14h 37m
2 stops
SBN10:57 amSouth Bend/Michiana
$371

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 June 1, 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

Cheapest round-trip

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 9/16

3:08 pm-10:02 pm

1 stop9h 54m

Seattle/Tacoma Intl

Wed 9/30

11:59 am-10:35 pm

1 stop7h 36m

$261

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 6/24

6:37 pm-12:59 am

1 stop9h 22m

Seattle/Tacoma Intl

Sat 7/4

5:10 am-6:51 pm

1 stop10h 41m

$304

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 8/18

3:16 pm-10:05 pm

1 stop9h 49m

Seattle/Tacoma Intl

Sat 8/22

5:10 am-2:34 pm

1 stop6h 24m

$311

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 8/13

3:16 pm-10:05 pm

1 stop9h 49m

Seattle/Tacoma Intl

Sat 8/22

5:10 am-2:34 pm

1 stop6h 24m

$336

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 11/14

7:30 am-11:40 am

1 stop7h 10m

Seattle/Tacoma Intl

Wed 11/18

7:00 am-6:50 pm

1 stop8h 50m

$361

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 11/14

3:17 pm-11:21 pm

2 stops11h 04m

Seattle/Tacoma Intl

Wed 11/18

7:00 am-6:50 pm

1 stop8h 50m

$366

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 9/19

9:15 am-8:18 pm

2 stops14h 03m

Seattle/Tacoma Intl

Wed 9/23

5:20 pm-10:57 am

2 stops14h 37m

$371
Quickest round-trip

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Tue 8/11

7:15 am-10:59 am

1 stop6h 44m

Seattle/Tacoma Intl

Wed 8/26

5:10 am-2:34 pm

1 stop6h 24m

$380

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 7/1

6:37 pm-12:59 am

1 stop9h 22m

Seattle/Tacoma Intl

Mon 8/3

12:44 am-12:03 pm

1 stop8h 19m

$389

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 9/11

3:32 pm-7:15 pm

1 stop6h 43m

Seattle/Tacoma Intl

Sun 9/13

11:04 pm-10:04 am

1 stop8h 00m

$402

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 typical price of a round-trip flight between South Bend and Seattle?

What is the cheapest month to fly to Seattle?

In general, December 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 $369. If you don’t want to visit Seattle in December, then you should wait until October to fly from South Bend, when ticket prices are also cheap, with an average price of $371.

How far in advance should I book a flight from South Bend 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 $448 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 $314 on momondo.

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

As of June 2026, prices for South Bend to Seattle flights are approximately 5% 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 33m

Direct flights

None
The fastest flight from South Bend to Seattle takes 6h 33m
There are no direct flights from South Bend to Seattle. There are no popular flight routes from South Bend to Seattle.
Search flight deals

Frequently asked questions about flying from South Bend to Seattle

  • 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 33m.

  • 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 $188Free CancellationRating
7.9
8,402 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,768 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
Redmond
Kent
Lakewood
Puyallup
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Shoreline
Westport
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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