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Find cheap Delta flights to Seattle from $79

1 adult
1 adult, Economy, 0 bags

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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.

Recent round-trip Delta flight deals to Seattle

Sat, Dec 13 - Tue, Jan 6
Delta Logo
4:49 pm - 11:25 pmONT-SEA
6h 36m1 stop
Delta Logo
11:15 am - 1:56 pmSEA-ONT
2h 41mnonstop
$129Delta
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Sat, Dec 6 - Sun, Dec 7
Delta Logo
12:40 pm - 3:38 pmONT-SEA
2h 58mnonstop
Delta Logo
7:11 pm - 11:58 pmSEA-ONT
4h 47m1 stop
$130Delta
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Tue, Dec 2 - Mon, Dec 8
Delta Logo
6:00 am - 12:39 pmSFO-SEA
6h 39m1 stop
Delta Logo
5:00 pm - 10:13 pmSEA-SFO
5h 13m1 stop
$137Delta
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Fri, Dec 5 - Thu, Dec 11
Delta Logo
1:29 pm - 6:37 pmONT-SEA
5h 08m1 stop
Delta Logo
7:11 pm - 11:58 pmSEA-ONT
4h 47m1 stop
$139Delta
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Sat, Dec 6 - Sun, Dec 7
Delta Logo
12:40 pm - 3:38 pmONT-SEA
2h 58mnonstop
Delta Logo
8:30 am - 11:13 amSEA-ONT
2h 43mnonstop
$140Delta
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Thu, Nov 27 - Wed, Dec 3
Delta Logo
4:37 pm - 7:00 pmSFO-SEA
2h 23mnonstop
Delta Logo
10:25 am - 5:40 pmSEA-SFO
7h 15m1 stop
$147Delta
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Sat, Dec 13 - Fri, Jan 2
Delta Logo
4:49 pm - 11:25 pmONT-SEA
6h 36m1 stop
Delta Logo
8:07 pm - 10:49 pmSEA-ONT
2h 42mnonstop
$149Delta
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Tue, Dec 2 - Tue, Dec 9
Delta Logo
7:25 pm - 10:23 pmLAX-SEA
2h 58mnonstop
Delta Logo
10:25 am - 1:15 pmSEA-LAX
2h 50mnonstop
$157Delta
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Fri, Dec 19 - Sun, Jan 18
Delta Logo
5:45 am - 8:06 amSFO-SEA
2h 21mnonstop
Delta Logo
11:25 am - 1:38 pmSEA-SFO
2h 13mnonstop
$157Delta
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Mon, Dec 8 - Wed, Dec 17
Delta Logo
6:00 am - 12:57 pmONT-SEA
6h 57m1 stop
Delta Logo
5:25 am - 12:34 pmSEA-ONT
7h 09m1 stop
$159Delta
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Good to know

Low seasonJanuary
Cheapest flight$79
Average price round-trip$1,088
Good deal round-trip$925
Good deal one-way$438
Best time to beat the crowds with an average 13% 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
or less

When to book flights with Delta to Seattle

Average price per month
Flight prices as travel date approaches

FAQs for flying to Seattle with Delta

  • Is Delta cheaper than other airlines flying to Seattle?

    With an average return price of $470, 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 $470 for a round-trip.

  • 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

  • The cheapest flight to Seattle with Delta found on KAYAK in the last 2 weeks departed from Boise and cost $118.
  • If you’re intending to fly with Delta, book your flight to Seattle at least 1 week 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.

Delta customer reviews

7.9
Good8,001 verified ratings
8.5Crew
7.9Entertainment
8.2Boarding
7.9Comfort
7.3Food
Pros +
  • we slept on that last flight ! (in 1102 reviews)
Cons -
  • We had a 2.5 hour delay because there was someone missing in the crew. (in 99 reviews)
Show reviews that mention
Traveler rating:
Sort by:
M
10.0 Wonderful
It was wonderful. I love Delta
A
10.0 Wonderful
Was good
L
10.0 Wonderful
Perfect Flight!
M
10.0 Wonderful
I truly love flying with Delta. They have always treated me with the upmost respect
A
6.0 Okay
Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.
J
10.0 Wonderful
Boarded on time. No hassle luggage.
A
6.0 Okay
Flight delayed 2 hours.
P
8.0 Very good
Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.
A
10.0 Wonderful
DELTA does a terrific job making sure you are well taken care of during the flight, gives you assurance before the flight through numerous email notifications about your upcoming flight & lastly good follow up after the flight making sure your needs were mat. It has been, is & will continue to be my carrier of choice in all my future travels. Good Job DELTA
L
8.0 Very good
Great. Always fly Dekta!
Read more about Delta

Everything you need to know for your flight to Seattle

Other airlines flying to Seattle

Flight deals from the most popular airlines with KAYAK users flying the route
American Airlines flights to Seattle
Frontier flights to Seattle
Alaska Airlines flights to Seattle
United Airlines flights to Seattle
Southwest flights to Seattle