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$309+ Cheap flights from Mobile to Seattle (MOB - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — SEA
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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 December 8, 2025.

This American Airlines deal was found by Cheapflights users on 12/8. 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.
Fri 12/122:55 pmMOB - SEA
1 stop8h 18mAmerican Airlines
Sun 1/1111:12 pmSEA - MOB
1 stop9h 02mAmerican Airlines
Deal found 12/8$439
This American Airlines deal was found by Cheapflights users on 12/6. 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.
Tue 12/2310:27 amMOB - SEA
1 stop10h 02mAmerican Airlines
Thu 1/112:59 amSEA - MOB
1 stop6h 58mAmerican Airlines
Deal found 12/6$514
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/117:00 amMOB - SEA
1 stop7h 42mUnited Airlines
Sat 12/137:10 amSEA - MOB
1 stop9h 12mUnited Airlines
Deal found 12/6$529
This United Airlines deal was found by Cheapflights users on 12/5. 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 12/117:00 amMOB - SEA
2 stops10h 29mUnited Airlines
Sun 12/148:10 amSEA - MOB
1 stop10h 12mUnited Airlines
Deal found 12/5$534
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Wed 12/2410:53 amMOB - SEA
1 stop10h 35mAmerican Airlines
Sun 12/2812:59 amSEA - MOB
1 stop6h 58mAmerican Airlines
Deal found 12/7$573
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Fri 12/127:00 amMOB - SEA
1 stop7h 42mUnited Airlines
Sun 1/113:30 pmSEA - MOB
2 stops18h 34mUnited Airlines
Deal found 12/8$602
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Fri 12/264:50 pmMOB - SEA
1 stop8h 02mUnited Airlines
Mon 2/27:00 amSEA - MOB
1 stop9h 24mUnited Airlines
Deal found 12/6$648

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)

Popular in

August

Cheapest in

November

Average price

$526
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
Highest demand for flights based on searches. 11% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 8, 2025.
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

Fri 2/6

12:45 pm-8:57 pm

1 stop10h 12m

Seattle/Tacoma Intl

Sun 2/8

12:57 pm-9:59 pm

1 stop7h 02m

$309

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 1/10

11:14 am-8:45 pm

1 stop11h 31m

Seattle/Tacoma Intl

Tue 1/13

9:45 pm-10:49 am

1 stop11h 04m

$309

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Sat 1/10

10:44 am-9:12 pm

2 stops12h 28m

Seattle/Tacoma Intl

Tue 1/13

7:00 am-4:09 pm

1 stop7h 09m

$314

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Wed 1/28

7:00 am-12:49 pm

1 stop7h 49m

Seattle/Tacoma Intl

Sat 1/31

6:48 am-6:24 pm

1 stop9h 36m

$409

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Tue 12/30

7:29 pm-12:57 am

1 stop7h 28m

$414

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Tue 12/30

7:00 am-9:56 am

2 stops28h 56m

$523

MobileSeattle

MOB - SEA

MOBSEA

Mobile

Fri 12/26

7:00 am-11:57 pm

2 stops18h 57m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Mobile-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, February is the cheapest month in which you can book a flight from Mobile to Seattle (average of $198). Flying from Mobile to Seattle in December is currently the most expensive (average of $368). 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.

What is the cheapest time of day to fly from MOB to SEA?

Find hourly flight availability from Mobile to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

When flying from Mobile to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 29% versus a flight at noon.

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 December 8, 2025.
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
8,013 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

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
9,076 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

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
11,042 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Overall

7.9

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 12m. Airlines will cover a distance of 2136 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 39% 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, February is the cheapest month in which you can book a flight from Mobile to Seattle (average of $198). Flying from Mobile to Seattle in December is currently the most expensive (average of $368). 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
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$308Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$529FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$748FlexibilityNo cancel feeOn-timeN/A

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