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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 10/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Bend to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:16 pm - 10:05 pm
SBN
-
SEA
9h 49m
1 stop
Delta Logo
5:30 am - 2:34 pm
SEA
-
SBN
6h 04m
1 stop
$261Delta
Tue, Aug 25 - Sat, Aug 29
Delta Logo
3:16 pm - 10:05 pm
SBN
-
SEA
9h 49m
1 stop
Delta Logo
5:30 am - 2:34 pm
SEA
-
SBN
6h 04m
1 stop
$286Delta
Fri, Aug 28 - Sat, Sep 5
United Airlines Logo
6:00 am - 9:36 am
SBN
-
SEA
6h 36m
1 stop
United Airlines Logo
11:14 pm - 12:28 pm
SEA
-
SBN
10h 14m
2 stops
$289United Airlines
Sat, Sep 19 - Wed, Sep 30
United Airlines Logo
6:00 am - 9:35 am
SBN
-
SEA
6h 35m
1 stop
United Airlines Logo
11:04 pm - 12:30 pm
SEA
-
SBN
10h 26m
2 stops
$291United Airlines
Sun, Aug 30 - Sat, Sep 5
American Airlines Logo
12:57 pm - 6:37 pm
SBN
-
SEA
8h 40m
1 stop
American Airlines Logo
6:40 am - 5:51 pm
SEA
-
SBN
8h 11m
1 stop
$304American Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
6:00 am - 9:36 am
SBN
-
SEA
6h 36m
1 stop
United Airlines Logo
8:10 am - 8:36 pm
SEA
-
SBN
9h 26m
1 stop
$306United Airlines
Fri, Sep 18 - Sat, Sep 26
United Airlines Logo
6:00 am - 9:35 am
SBN
-
SEA
6h 35m
1 stop
United Airlines Logo
11:04 pm - 12:30 pm
SEA
-
SBN
10h 26m
2 stops
$309United Airlines
Fri, Aug 28 - Sat, Sep 5
United Airlines Logo
5:50 am - 9:36 am
SBN
-
SEA
6h 46m
1 stop
United Airlines Logo
11:13 pm - 10:57 am
SEA
-
SBN
8h 44m
1 stop
$311United Airlines
Thu, Oct 8 - Mon, Oct 12
United Airlines Logo
6:00 am - 9:36 am
SBN
-
SEA
6h 36m
1 stop
United Airlines Logo
11:14 pm - 12:28 pm
SEA
-
SBN
10h 14m
2 stops
$314United Airlines
Fri, Sep 18 - Wed, Sep 30
United Airlines Logo
5:50 am - 9:36 am
SBN
-
SEA
6h 46m
1 stop
United Airlines Logo
11:14 pm - 12:28 pm
SEA
-
SBN
10h 14m
2 stops
$316United Airlines
Thu, Oct 8 - Mon, Oct 12

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United Airlines flights from South Bend to Seattle

Our best United Airlines deals on South Bend to Seattle flight tickets
United Airlines
Sep 19
SBN6:00 amSouth Bend/Michiana
6h 36m
1 stop
SEA9:36 amSeattle/Tacoma Intl
Sep 30
SEA11:14 pmSeattle/Tacoma Intl
10h 14m
2 stops
SBN12:28 pmSouth Bend/Michiana
$289
United Airlines
Aug 30
SBN6:00 amSouth Bend/Michiana
6h 35m
1 stop
SEA9:35 amSeattle/Tacoma Intl
Sep 5
SEA11:04 pmSeattle/Tacoma Intl
10h 26m
2 stops
SBN12:30 pmSouth Bend/Michiana
$291
United Airlines
Sep 18
SBN6:00 amSouth Bend/Michiana
6h 36m
1 stop
SEA9:36 amSeattle/Tacoma Intl
Sep 26
SEA8:10 amSeattle/Tacoma Intl
9h 26m
1 stop
SBN8:36 pmSouth Bend/Michiana
$306

Delta flights from South Bend to Seattle

Our best Delta deals on South Bend to Seattle flight tickets
Delta
Aug 25
SBN3:16 pmSouth Bend/Michiana
9h 49m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
Aug 29
SEA5:30 amSeattle/Tacoma Intl
6h 04m
1 stop
SBN2:34 pmSouth Bend/Michiana
$261
Delta
Aug 28
SBN3:16 pmSouth Bend/Michiana
9h 49m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
Sep 5
SEA5:30 amSeattle/Tacoma Intl
6h 04m
1 stop
SBN2:34 pmSouth Bend/Michiana
$286
Delta
Sep 15
SBN3:13 pmSouth Bend/Michiana
9h 57m
1 stop
SEA10:10 pmSeattle/Tacoma Intl
Sep 25
SEA11:59 amSeattle/Tacoma Intl
7h 31m
1 stop
SBN10:30 pmSouth Bend/Michiana
$330

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 July 12, 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

Tue 8/25

3:16 pm-10:05 pm

1 stop9h 49m

Seattle/Tacoma Intl

Sat 8/29

5:30 am-2:34 pm

1 stop6h 04m

$261

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 8/28

3:16 pm-10:05 pm

1 stop9h 49m

Seattle/Tacoma Intl

Sat 9/5

5:30 am-2:34 pm

1 stop6h 04m

$286

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sat 9/19

6:00 am-9:36 am

1 stop6h 36m

Seattle/Tacoma Intl

Wed 9/30

11:14 pm-12:28 pm

2 stops10h 14m

$289

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Sun 8/30

6:00 am-9:35 am

1 stop6h 35m

Seattle/Tacoma Intl

Sat 9/5

11:04 pm-12:30 pm

2 stops10h 26m

$291

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Wed 9/23

12:57 pm-6:37 pm

1 stop8h 40m

Seattle/Tacoma Intl

Sat 9/26

6:40 am-5:51 pm

1 stop8h 11m

$304

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 9/18

6:00 am-9:36 am

1 stop6h 36m

Seattle/Tacoma Intl

Sat 9/26

8:10 am-8:36 pm

1 stop9h 26m

$306

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 8/28

6:00 am-9:35 am

1 stop6h 35m

Seattle/Tacoma Intl

Sat 9/5

11:04 pm-12:30 pm

2 stops10h 26m

$309
Quickest round-trip

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 10/8

5:50 am-9:36 am

1 stop6h 46m

Seattle/Tacoma Intl

Mon 10/12

11:13 pm-10:57 am

1 stop8h 44m

$311

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Fri 9/18

6:00 am-9:36 am

1 stop6h 36m

Seattle/Tacoma Intl

Wed 9/30

11:14 pm-12:28 pm

2 stops10h 14m

$314

South BendSeattle

SBN - SEA

SBNSEA

South Bend/Michiana

Thu 10/8

5:50 am-9:36 am

1 stop6h 46m

Seattle/Tacoma Intl

Mon 10/12

11:14 pm-12:28 pm

2 stops10h 14m

$316

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 $347. If you don’t want to visit Seattle in December, then you should wait until March to fly from South Bend, when ticket prices are also cheap, with an average price of $377.

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 $422 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 $268 on momondo.

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

As of July 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 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 $194Free CancellationRating
7.8
8,458 reviews
Search Delta flights
American AirlinesPriceFrom $240Free CancellationRating
7.1
11,804 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,980 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
Federal Way
Cle Elum
Marysville
Fife
Centralia
Kirkland
Shoreline
Lacey

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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