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$264+ Cheap flights from Mobile to Seattle (MOB - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — SEA
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from Mobile to Seattle

Cheapest flights from Mobile to Seattle
Explore the most affordable flight options available from Mobile to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/267:22 pm
MOB
-
SEA
1 stop7h 33m
American Airlines
Mon 3/3010:08 pm
SEA
-
MOB
1 stop10h 04m
American Airlines
Deal found 2/15$329
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:10 pm
MOB
-
SEA
1 stop7h 38m
United Airlines
Mon 8/246:30 am
SEA
-
MOB
2 stops9h 47m
United Airlines
Deal found 2/17$334
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:55 pm
MOB
-
SEA
1 stop7h 57m
United Airlines
Mon 5/1811:59 pm
SEA
-
MOB
1 stop9h 36m
United Airlines
Deal found 2/18$347
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:22 pm
MOB
-
SEA
1 stop7h 33m
American Airlines
Sun 3/812:59 am
SEA
-
MOB
1 stop7h 16m
American Airlines
Deal found 2/18$389
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:20 am
MOB
-
SEA
2 stops10h 28m
United Airlines
Sun 5/1711:59 pm
SEA
-
MOB
1 stop9h 36m
United Airlines
Deal found 2/18$394
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:42 pm
MOB
-
SEA
1 stop9h 12m
American Airlines
Mon 8/247:50 am
SEA
-
MOB
1 stop7h 21m
American Airlines
Deal found 2/18$404
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:42 pm
MOB
-
SEA
1 stop7h 34m
American Airlines
Sat 8/2212:57 am
SEA
-
MOB
1 stop8h 53m
American Airlines
Deal found 2/17$424
This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1712:40 pm
MOB
-
SEA
1 stop10h 16m
United Airlines
Tue 3/246:45 am
SEA
-
MOB
1 stop7h 23m
United Airlines
Deal found 2/15$429
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:34 am
MOB
-
SEA
2 stops12h 24m
United Airlines
Mon 3/98:45 am
SEA
-
MOB
2 stops11h 12m
United Airlines
Deal found 2/18$430

Find flight deals from Mobile to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Mobile (MOB) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(American Airlines)

One-way from

$264
(American Airlines)

Popular in

May

Cheapest in

November

Average price

$408
Provider with most accurate pricing for Mobile-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Mobile-Seattle/Tacoma Intl flights.
Search Deals
From Mobile to Seattle/Tacoma Intl
Search Deals
One-way flight from Mobile to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mobile 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, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Mobile to Seattle that are best for you.

Fly from

Mobile

Fly to

Seattle

Route

Depart

Return

Price

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 5/9

11:20 am-7:48 pm

2 stops10h 28m

Seattle/Tacoma Intl

Mon 5/18

11:59 pm-11:35 am

1 stop9h 36m

$334

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 8/15

5:10 pm-10:48 pm

1 stop7h 38m

Seattle/Tacoma Intl

Mon 8/24

6:30 am-6:17 pm

2 stops9h 47m

$334

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 8/15

5:42 pm-12:54 am

1 stop9h 12m

Seattle/Tacoma Intl

Mon 8/24

7:50 am-5:11 pm

1 stop7h 21m

$404

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 5/9

4:55 pm-10:52 pm

1 stop7h 57m

Seattle/Tacoma Intl

Sun 5/17

11:59 pm-11:35 am

1 stop9h 36m

$407

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Thu 3/5

10:34 am-7:25 pm

1 stop10h 51m

Seattle/Tacoma Intl

Mon 3/9

8:45 am-9:57 pm

2 stops11h 12m

$424

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Tue 3/17

12:40 pm-8:56 pm

1 stop10h 16m

Seattle/Tacoma Intl

Tue 3/24

6:45 am-4:08 pm

1 stop7h 23m

$429

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 8/15

4:42 pm-10:55 pm

1 stop8h 13m

$264

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 8/15

9:10 am-4:22 pm

1 stop9h 12m

$264

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 8/15

5:10 pm-10:48 pm

1 stop7h 38m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Compare providers for flights from Mobile to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Mobile to Seattle in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Mobile-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mobile-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mobile-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Mobile-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Mobile-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Mobile to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Mobile with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Mobile to Seattle

What is the cheapest month to book a flight from Mobile to Seattle?

Currently, September is the cheapest month in which you can book a flight from Mobile to Seattle (average of $195). Flying from Mobile to Seattle in December is currently the most expensive (average of $325). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Mobile to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated February 18, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Mobile to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,212 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,212 reviews
Delta
7.9
Good
8,212 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,321 reviews
Delta
7.9
Good
8,212 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,313 reviews
Delta
7.9
Good
8,212 reviews

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Mobile to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Mobile to Seattle?

    Departing from Mobile to Seattle will take you 10h 28m. Airlines will cover a distance of 2136 mi.

  • What are the cheapest airlines flying from Mobile to Seattle round-trip?

    American Airlines, at $308, was found to be the cheapest airline from Mobile to Seattle.Alternate airlines to your destination round-trip include United Airlines and Delta. You may be able to fly from Mobile to Seattle for 40% less than the average price by searching for these airlines.

  • Can I find deals for flights from Mobile to Seattle that include hotel bookings?

    Yes. In addition to deals on Mobile to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mobile to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mobile to Seattle.

  • Can I find deals for business class flights from Mobile to Seattle?

    Yes. Cheapflights offers flight deals from Mobile to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Mobile to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Mobile to Seattle (average of $195). Flying from Mobile to Seattle in December is currently the most expensive (average of $325). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Mobile to Seattle

Discover the top 3 airlines that operate flights from Mobile to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$532FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$748FlexibilityNo cancel feeOn-timeN/A

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