SEA - HMO

$158 Find Cheap Flights from Seattle to Hermosillo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Hermosillo departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Hermosillo

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hermosillo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Hermosillo, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$438
Multiple Airlines
Mon 9/14Mon 9/28
SEA - HMO • 2 stops
Cheapest one-way
$158
Typical prices: $617-$707
Multiple Airlines
Thu 7/2
SEA - HMO • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Hermosillo. You'll need at least 1 connection.
Insights
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Insights
Top layover airports
Guadalajara (GDL)
Cheapest • Avg $451 (round-trip)
Phoenix (PHX)
Shortest trip • 5h 39m (one-way)
Insights
Insights
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Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Hermosillo!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Hermosillo (SEA-HMO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Hermosillo 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 flight deals from Seattle to Hermosillo

Mon, Sep 14 - Mon, Sep 28
Multiple Airlines Logo
11:00 pm - 7:32 pm
SEA
-
HMO
20h 32m
2 stops
Multiple Airlines Logo
8:39 pm - 7:59 pm
HMO
-
SEA
23h 20m
1 stop
$438Multiple Airlines
Wed, Sep 16 - Sun, Sep 27
Multiple Airlines Logo
11:00 pm - 7:32 pm
SEA
-
HMO
20h 32m
2 stops
Multiple Airlines Logo
8:39 pm - 7:59 pm
HMO
-
SEA
23h 20m
1 stop
$440Multiple Airlines
Wed, Sep 16 - Mon, Sep 28
Multiple Airlines Logo
11:00 pm - 7:32 pm
SEA
-
HMO
20h 32m
2 stops
Multiple Airlines Logo
8:39 pm - 7:59 pm
HMO
-
SEA
23h 20m
1 stop
$445Multiple Airlines
Thu, Sep 17 - Mon, Sep 28
Multiple Airlines Logo
11:00 pm - 7:32 pm
SEA
-
HMO
20h 32m
2 stops
Multiple Airlines Logo
7:47 am - 7:59 pm
HMO
-
SEA
12h 12m
1 stop
$458Multiple Airlines
Wed, Jun 24 - Wed, Jul 1
Volaris Logo
11:00 pm - 10:06 am
SEA
-
HMO
11h 06m
1 stop
Volaris Logo
8:39 pm - 11:05 am
HMO
-
SEA
14h 26m
1 stop
$460Volaris
Mon, Sep 14 - Tue, Sep 29
Multiple Airlines Logo
11:00 pm - 7:32 pm
SEA
-
HMO
20h 32m
2 stops
Multiple Airlines Logo
7:47 am - 7:59 pm
HMO
-
SEA
12h 12m
1 stop
$472Multiple Airlines
Wed, Sep 16 - Tue, Sep 29
Multiple Airlines Logo
11:00 pm - 7:32 pm
SEA
-
HMO
20h 32m
2 stops
Multiple Airlines Logo
7:47 am - 7:59 pm
HMO
-
SEA
12h 12m
1 stop
$479Multiple Airlines
Tue, Sep 15 - Mon, Sep 28
Multiple Airlines Logo
4:44 pm - 7:13 am
SEA
-
HMO
14h 29m
2 stops
Multiple Airlines Logo
8:39 pm - 7:59 pm
HMO
-
SEA
23h 20m
1 stop
$480Multiple Airlines
Wed, Jun 24 - Wed, Jul 1
Multiple Airlines Logo
8:12 pm - 7:54 pm
SEA
-
HMO
23h 42m
2 stops
Multiple Airlines Logo
8:39 pm - 7:59 pm
HMO
-
SEA
23h 20m
1 stop
$486Multiple Airlines
Sat, Sep 12 - Mon, Sep 28
Multiple Airlines Logo
2:15 pm - 7:13 am
SEA
-
HMO
16h 58m
2 stops
Multiple Airlines Logo
7:47 am - 7:59 pm
HMO
-
SEA
12h 12m
1 stop
$488Multiple Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Hermosillo flights

Get data-powered insights and trends into flights from Seattle to Hermosillo to help you find the cheapest flights, the best time to fly and much more.

What is the most popular layover airport when flying from Seattle to Hermosillo?

Percentage of 1-stop round-trip flights from Seattle to Hermosillo chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Phoenix (PHX) is the top choice – 79% of KAYAK users who clicked on 1-stop flights from Seattle to Hermosillo picked an itinerary connecting there.

What is the cheapest layover airport when flying from Seattle to Hermosillo?

Average round-trip price for 1-stop flights from Seattle to Hermosillo clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Guadalajara (GDL) offer the most affordable fares, with an average round-trip price of $451.

Which layover airport offers the shortest total travel time from Seattle to Hermosillo?

Shortest average total travel time for 1-stop one-way flights from Seattle to Hermosillo via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Phoenix (PHX) for the shortest journey. The average one-way travel time for flights connecting there is 5h 39m.

Which layover airport has the quickest connection when flying from Seattle to Hermosillo?

Average layover duration at different layover airports for 1-stop one-way flights from Seattle to Hermosillo, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Phoenix (PHX) often has the shortest layovers from Seattle to Hermosillo, with an average of 2h 24m.

Find deals

Good to know

Cheapest flight$158
Flight from Seattle to Hermosillo

When to book flights from Seattle to Hermosillo

Are your dates flexible? Find out the best times to travel from Seattle to Hermosillo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Hermosillo

  • What is the cheapest flight from Seattle to Hermosillo?

    In the last 3 days, the lowest price for a flight from Seattle to Hermosillo was $158 for a one-way ticket and $438 for a round-trip.

  • Do I need a passport to fly between Seattle and Hermosillo?

    Yes, you’ll need a passport to travel to Hermosillo from Seattle.

  • Which aircraft models fly most regularly from Seattle to Hermosillo?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Hermosillo?

    oneworld is the only airline alliance operating flights between Seattle and Hermosillo.

  • How does KAYAK find such low prices on flights from Seattle to Hermosillo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Hermosillo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Hermosillo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Hermosillo from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Hermosillo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Hermosillo with an airline and back to Seattle with another airline. Booking your flights between Seattle and HMO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Hermosillo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Hermosillo from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Seattle to Hermosillo

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Hermosillo. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Hermosillo? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11639 reviews
6.9Entertainment
6.4Food
7.2Comfort
7.9Crew
7.5Boarding
Airline reviews

Movies on my phone are great. It would be nice to have a gluten free snack option.

10.0 ExcellentJolene, May 2026
DFW - FLG
Read more American Airlines reviews

Movies on my phone are great. It would be nice to have a gluten free snack option.

It was what i expected. I like the movies you can access from your phone. It would be nice if there was a gluten free snack offered. But I did bring my own snack knowing there would not be a gluten free option

The flight was peaceful, just s slight turbulence, pilots and crews were all nice and made a great job! Arrived safely in the Philippines. Thank you ya’ll!

Ontario airport boarding was very easy to park and access, is clean and TSA took 10 minutes total. Check-in was a breeze and cruise was very nice.

American Airlines II: Delay Boogaloo. Multiple gate changes, delays, boarded and then MORE delays. I hate to say this won’t matter, but posting stuff about major corporations in 2026 is a post-modern “scream into the void.” Was multiple hours late coming home, so there you go.

Awful, tons of delays, I got into Chicago multiple hours late meaning I hit the very traffic I tried so desperately to avoid. Just empty apologies from American Airlines text alerts. Trash behavior from a trash airline.

The flight attendants were very friendly, efficient, and helpful. The plane was ahead of schedule, and it all went very smoothly. Thank you.

They lost my baggage and I am still struggling to the information and update

We got delayed getting out of DFW for broken overhead bins. Once the flight got underway the captain kept the seatbelt sign lit the entire flight despite little perceptible turbulence, preventing use of the rest rooms and any sort of refreshment service in the main cabin.

Flight delays for communication overall not a good experience uncomfortable on the plane. Person in front of me reclined his seat, putting them inches from my lap.

Everything you need to know for your flight from Seattle to Hermosillo

Information on your arrival and departure airports

Seattle (SEA)
Hermosillo (HMO)