$155 Cheap Flights from Mobile (MOB) to Seattle (SEA)

View $155 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Mobile Regional Airport (MOB) to Seattle-Tacoma International Airport (SEA)

Cheap Flights from Mobile to Seattle (MOB-SEA)

Prices were available within the past 7 days and start at $155 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Dec 5 - Wed, Dec 10
MOB
Mobile
SEA
Seattle
$309 Roundtrip, found 15 hours ago
$309
Roundtrip
found 15 hours ago
Select Delta flight, departing Fri, Dec 5 from Mobile to Seattle, returning Wed, Dec 10, priced at $309 found 15 hours ago
United
Mon, Aug 17 - Thu, Aug 27
MOB
Mobile
SEA
Seattle
$314 Roundtrip, found 20 hours ago
$314
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Aug 17 from Mobile to Seattle, returning Thu, Aug 27, priced at $314 found 20 hours ago
United
Thu, Aug 13 - Mon, Aug 17
MOB
Mobile
SEA
Seattle
$316 Roundtrip, found 2 days ago
$316
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 13 from Mobile to Seattle, returning Mon, Aug 17, priced at $316 found 2 days ago
United
Tue, Oct 28 - Sat, Nov 1
MOB
Mobile
SEA
Seattle
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 28 from Mobile to Seattle, returning Sat, Nov 1, priced at $322 found 3 days ago
Delta
Fri, Dec 5 - Mon, Dec 15
MOB
Mobile
SEA
Seattle
$334 Roundtrip, found 15 hours ago
$334
Roundtrip
found 15 hours ago
Select Delta flight, departing Fri, Dec 5 from Mobile to Seattle, returning Mon, Dec 15, priced at $334 found 15 hours ago
American Airlines
Tue, Nov 25 - Wed, Dec 3
MOB
Mobile
SEA
Seattle
$334 Roundtrip, found 18 hours ago
$334
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Mobile to Seattle, returning Wed, Dec 3, priced at $334 found 18 hours ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
MOB
Mobile
SEA
Seattle
$339 Roundtrip, found 2 hours ago
$339
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Mobile to Seattle, returning Sun, Oct 26, priced at $339 found 2 hours ago
American Airlines
Wed, Nov 26 - Thu, Dec 4
MOB
Mobile
SEA
Seattle
$339 Roundtrip, found 20 hours ago
$339
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Wed, Nov 26 from Mobile to Seattle, returning Thu, Dec 4, priced at $339 found 20 hours ago
United
Thu, Oct 16 - Wed, Oct 22
MOB
Mobile
SEA
Seattle
$344 Roundtrip, found 3 days ago
$344
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 16 from Mobile to Seattle, returning Wed, Oct 22, priced at $344 found 3 days ago
United
Tue, Oct 14 - Tue, Oct 21
MOB
Mobile
SEA
Seattle
$352 Roundtrip, found 4 days ago
$352
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 14 from Mobile to Seattle, returning Tue, Oct 21, priced at $352 found 4 days ago

Find the cheapest month to fly from Mobile (MOB) to Seattle (SEA)

February is typically the cheapest month to fly

From $294 - $645 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $524
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $524

Frequently asked questions

How much does a flight from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $155 or cheap return flight from $309 from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA)?
December is the cheapest month to fly from MOB to SEA. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from MOB to SEA. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MOB to SEA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA)?
Book a flight from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from MOB to SEA are usually more expensive. To lock in the lowest rates, start looking for flights early. That said, if you can play around with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book a MOB to SEA flight and hotel package?
Booking a MOB to SEA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mobile Regional Airport (MOB) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your MOB to SEA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Mobile Regional
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$308
Distance
2137 mi

Book with confidence

Book with confidence

Mobile to Seattle Flights

The cheapest times to fly from Mobile to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Mobile to Seattle are during the month of December. You can find some of the cheapest flights from Mobile to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mobile to Seattle

Sunday is one of the best days to book for cheap flights from Mobile to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Mobile to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Mobile to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $155 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Mobile to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Mobile to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Mobile to Seattle Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.