Is Delta cheaper than other airlines flying to Seattle?

With an average return price of $439, Delta is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is Alaska Airlines.

Which other airlines fly to Seattle?

Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines and Southwest.

How much is a flight to Seattle with Delta?

On average, Delta flights to Seattle cost $654 for one-way and $439 return.

Which airport do Delta flights to Seattle fly into?

You’ll fly into Seattle/Tacoma Airport when flying to Seattle with Delta.

Are there any other airlines in SkyTeam that fly to Seattle?

Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

Delta flights to Seattle (SEA) from $69

Flight Deals

Cheap Delta Flight Deals to Seattle

Here are some of the best deals found on KAYAK recently from Delta to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip Delta flight deals to Seattle

Sat, Feb 14 - Wed, Feb 18

7:15 am - 10:12 am

LAX

SEA

2h 57mnonstop

5:59 pm - 8:42 pm

SEA

LAX

2h 43mnonstop

$137Delta

Fri, Feb 27 - Mon, Mar 2

5:55 am - 8:13 am

SFO

SEA

2h 18mnonstop

5:10 pm - 7:26 pm

SEA

SFO

2h 16mnonstop

$137Delta

Thu, Feb 5 - Mon, Feb 9

10:30 am - 12:53 pm

SFO

SEA

2h 23mnonstop

9:20 pm - 11:30 pm

SEA

SFO

2h 10mnonstop

$138Delta

Sun, Apr 5 - Tue, Apr 14

7:35 am - 10:26 am

LAX

SEA

2h 51mnonstop

11:45 am - 2:31 pm

SEA

LAX

2h 46mnonstop

$147Delta

Fri, Mar 6 - Sat, Mar 14

5:55 am - 8:13 am

SFO

SEA

2h 18mnonstop

7:25 am - 9:50 am

SEA

SFO

2h 25mnonstop

$147Delta

Fri, Mar 13 - Sun, Mar 15

7:35 am - 10:24 am

LAX

SEA

2h 49mnonstop

7:15 am - 10:02 am

SEA

LAX

2h 47mnonstop

$157Delta

Thu, Feb 5 - Mon, Feb 9

6:00 am - 8:22 am

SFO

SEA

2h 22mnonstop

5:40 pm - 10:54 pm

SEA

SFO

5h 14m

1 stop

$157Delta

Tue, Mar 17 - Tue, Mar 24

11:59 am - 2:55 pm

ONT

SEA

2h 56mnonstop

8:30 am - 11:18 am

SEA

ONT

2h 48mnonstop

$157Delta

Thu, Feb 5 - Mon, Feb 9

2:35 pm - 4:54 pm

SFO

SEA

2h 19mnonstop

11:17 am - 5:47 pm

SEA

SFO

6h 30m

1 stop

$158Delta

Tue, Mar 31 - Wed, Apr 15

2:55 pm - 5:09 pm

SFO

SEA

2h 14mnonstop

7:15 am - 9:37 am

SEA

SFO

2h 22mnonstop

$162Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$69
Average price round-trip	$1,279
Good deal round-trip	$1,087
Good deal one-way	$239

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from San Francisco to Seattle

(avg. price over the last 2 weeks)

or less

When to book flights with Delta to Seattle

Average price per month

Flight prices as travel date approaches

Is Delta cheaper than other airlines flying to Seattle?
With an average return price of $439, Delta is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is Alaska Airlines.
Which other airlines fly to Seattle?
Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines and Southwest.
How much is a flight to Seattle with Delta?
On average, Delta flights to Seattle cost $654 for one-way and $439 return.
Which airport do Delta flights to Seattle fly into?
You’ll fly into Seattle/Tacoma Airport when flying to Seattle with Delta.
Are there any other airlines in SkyTeam that fly to Seattle?
Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

The cheapest flight to Seattle with Delta found on KAYAK in the last 2 weeks departed from Tucson and cost $99.
If you’re intending to fly with Delta, book your flight to Seattle at least 2 weeks before departure to ensure a below-average price.
High season for flights to Seattle with Delta is July and prices are highest at this time. The cheapest month to fly is January.

7.9

Good8,039 verified ratings

8.5Crew

7.9Comfort

7.8Entertainment

8.1Boarding

7.2Food

10.0 Wonderful

Anne, Jan 2026

I have diamond medallion status and usually we are in comfort plus . We were in main this time ( which was fine ) and my husband wanted wine . I have at least 10 vouchers for drinks that are good for this year and next! The attendant would not take the picture of the voucher as proof and never came back to check as She asked me to pull it up on delta Wi-Fi. Instead my husband just used his Amex to buy the wine . Disappointing!!!

10.0 Wonderful

Felipe, Jan 2026

Agradable

10.0 Wonderful

Cristine, Jan 2026

Easy boarding. No major delays.

10.0 Wonderful

Wendy, Jan 2026

Great. No issues.

2.0 Poor

David, Jan 2026

Officious boarding staff. Extraordinarily cramped seats.

8.0 Very good

Jacob, Jan 2026

My bike did not arrive in Chicago alongside 2 bags. Hoping we get them tomorrow.

8.0 Very good

G, Jan 2026

Food is basically Sun Chips, cookies or Cheezits. I had an exit row seat so I had plenty of room. The crew was very nice and efficient. Pilot kept us informed. Pretty good flight.

4.0 Mediocre

Stephen, Jan 2026

Air travel sucks. It continues to be awful for all airlines. No shame on delta alone.

10.0 Wonderful

Matt, Jan 2026

Delta continually earns my business

10.0 Wonderful

Fernando, Jan 2026

Everything went well

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SEA

Find cheap Delta flights to Seattle from $69

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Cheap Delta Flight Deals to Seattle

Recent round-trip Delta flight deals to Seattle

Recent one-way Delta flight deals to Seattle

Recent last minute Delta flight deals to Seattle

Recent direct Delta flight deals to Seattle

Good to know

When to book flights with Delta to Seattle

FAQs for flying to Seattle with Delta

Is Delta cheaper than other airlines flying to Seattle?

With an average return price of $439, Delta is the most expensive airline flying into Seattle. The cheapest airline flying to Seattle is Alaska Airlines.

Which other airlines fly to Seattle?

Along with Delta, you can also fly to Seattle with Alaska Airlines, Alaska Airlines, American Airlines and Southwest.

How much is a flight to Seattle with Delta?

On average, Delta flights to Seattle cost $654 for one-way and $439 return.

Which airport do Delta flights to Seattle fly into?

You’ll fly into Seattle/Tacoma Airport when flying to Seattle with Delta.

Are there any other airlines in SkyTeam that fly to Seattle?

Unfortunately, there are no other airlines in SkyTeam that fly to Seattle.

Top tips for your flights to Seattle with Delta

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Everything you need to know for your flight to Seattle

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Information on the airport you'll fly into in Seattle

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