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$374 Cheap Flights from Mobile (MOB) to Seattle (SEA)

View $374 flight on Wed, Oct 7, 2026Opens in a new window

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

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Cheap Flights from Mobile to Seattle (MOB-SEA)

Prices were available within the past 7 days and start at $374 for one-way flights and $351 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 22 - Sat, Aug 29
MOB
Mobile
SEA
Seattle
$351 Roundtrip, found 7 hours ago
$351
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Aug 22 from Mobile to Seattle, returning Sat, Aug 29, priced at $351 found 7 hours ago
United
Sat, Aug 22 - Sat, Aug 29
MOB
Mobile
SEA
Seattle
$351 Roundtrip, found 7 hours ago
$351
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Aug 22 from Mobile to Seattle, returning Sat, Aug 29, priced at $351 found 7 hours ago
United
Sat, Aug 22 - Sat, Aug 29
MOB
Mobile
SEA
Seattle
$356 Roundtrip, found 7 hours ago
$356
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Aug 22 from Mobile to Seattle, returning Sat, Aug 29, priced at $356 found 7 hours ago
American Airlines
Wed, May 5 - Fri, May 14
MOB
Mobile
SEA
Seattle
$360 Roundtrip, found 4 hours ago
$360
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, May 5 from Mobile to Seattle, returning Fri, May 14, priced at $360 found 4 hours ago
United
Wed, Sep 16 - Wed, Sep 23
MOB
Mobile
SEA
Seattle
$365 Roundtrip, found 11 hours ago
$365
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Sep 16 from Mobile to Seattle, returning Wed, Sep 23, priced at $365 found 11 hours ago
United
Tue, Sep 8 - Mon, Sep 14
MOB
Mobile
SEA
Seattle
$369 Roundtrip, found 3 hours ago
$369
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Sep 8 from Mobile to Seattle, returning Mon, Sep 14, priced at $369 found 3 hours ago
United
Tue, Aug 18 - Tue, Aug 25
MOB
Mobile
SEA
Seattle
$370 Roundtrip, found 1 day ago
$370
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 18 from Mobile to Seattle, returning Tue, Aug 25, priced at $370 found 1 day ago
United
Tue, Aug 18 - Tue, Aug 25
MOB
Mobile
SEA
Seattle
$376 Roundtrip, found 1 day ago
$376
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 18 from Mobile to Seattle, returning Tue, Aug 25, priced at $376 found 1 day ago
United
Thu, Oct 22 - Tue, Oct 27
MOB
Mobile
SEA
Seattle
$389 Roundtrip, found 4 days ago
$389
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 22 from Mobile to Seattle, returning Tue, Oct 27, priced at $389 found 4 days ago
United
Tue, Aug 18 - Sat, Aug 22
MOB
Mobile
SEA
Seattle
$391 Roundtrip, found 9 hours ago
$391
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Aug 18 from Mobile to Seattle, returning Sat, Aug 22, priced at $391 found 9 hours ago

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

February is typically the cheapest month to fly

From $308 - $536 per traveler.

What you need to know for your flight from Mobile Regional to Seattle - Tacoma Intl.

Mobile (MOB) to Seattle (SEA) at a glance

Travel from Mobile (MOB) to Seattle (SEA) and explore the vibrant sights and neighborhoods of this iconic city. With a range of options available, you can compare mobile to Seattle flights offered by various airlines to find an itinerary that aligns with your budget and schedule. Whether you're seeking cheap mobile to Seattle flights or prefer full-service carriers, you'll find all the essential details for your journey from Mobile Regional Airport to Seattle-Tacoma International Airport right here.

  • Fastest flight duration: around 6h 30m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 2,100 miles (3,380 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $155–$580, depending on seasonality and how far ahead you book

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

Based on recent traveler bookings, here are the top airlines flying from Mobile to Seattle, particularly favored for one-stop and multi-stop journeys. Common layover points include Dallas-Fort Worth International Airport (DFW) with an approximately 1 hour 15 minute layover, George Bush Intercontinental Airport (IAH) also around 1 hour 15 minutes, and Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour 30 minutes. This variety allows you to balance price, total travel time, and cabin class to create your ideal itinerary.

  • American Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally falling between $155 and $570. It represents about 52% of departures for this route, featuring an in-flight duration of 6 hours and 30 minutes, leading to a total travel time of approximately 8 hours, including layover.
  • United: As a full-service airline, United offers both one-stop and multi-stop options, with one-way fares usually ranging from $185 to $575. It accounts for around 29% of departures on this route, delivering an in-flight time of 6 hours and 30 minutes, resulting in a total journey of about 8 hours.
  • Delta: Delta is a full-service carrier that provides one-stop journeys, with one-way fares typically spanning from $250 to $690. This airline makes up about 19% of departures for this route, featuring a flight time of 6 hours and 30 minutes, leading to a total travel duration of roughly 8 hours, including the layover.

Best time to fly from Mobile (MOB) to Seattle (SEA)

The most popular months for travelers flying from Mobile to Seattle are February, April, and August, when peak temperatures in Seattle reach up to 67.5°F in August. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 52.7°F. For better deals, February usually offers the lowest average one-way fare around $247. Flight availability peaks in August, with approximately 10 flights per week, making it easier to find convenient departure times. March, April, and December have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $247, roughly 26% cheaper than the yearly average.
  • More budget-friendly months to fly: October and August typically offer average one-way fares roughly ranging from $249 to $264.
  • Most flight options: August has the highest number of flights from Mobile to Seattle, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.3°F (4.6°C)Average8$345
February40.5°F (4.7°C)Moderately High9$247
March43.9°F (6.6°C)Average7$401
April48.6°F (9.2°C)Moderately High7$461
May55.8°F (13.2°C)Average8$360
June61.0°F (16.1°C)Average9$318
July67.1°F (19.5°C)Average8$372
August67.5°F (19.7°C)Moderately High10$264
September61.3°F (16.3°C)Average9$332
October52.7°F (11.5°C)Moderately Low8$249
November44.2°F (6.8°C)Moderately Low8$314
December39.2°F (4.0°C)Moderately Low7$350

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Mobile (MOB) to Seattle (SEA)

  • Pensacola to Seattle (PNS-SEA): Located approximately 64 miles from Mobile Regional Airport (MOB), Pensacola International Airport (PNS) offers a variety of travel options. One-way economy tickets on this route generally fall between $140 and $520, influenced by the season and timing of your booking. Flights are commonly available as one-stop or multi-stop journeys, with frequent layovers at Dallas-Fort Worth International Airport (DFW) and Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines operating this route include American Airlines and United, with first-class service also offered.

How to find the best prices for flights from Mobile (MOB) to Seattle (SEA)

Getting some of the best deals on flights from Mobile to Seattle is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Evening departures from 6 PM to 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesdays provides both cheaper fares and a high level of traveler popularity.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Seattle - Tacoma International Airport from Mobile Regional Airport

Seattle welcomes travelers from Mobile with a range of transport options based on price, convenience, and proximity. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is approximately 4.3 miles away by car, providing convenient access to local and regional transit options.

Frequently asked questions

How much does a flight from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $374 and cheap return flights from $351 Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights typically cost between $269 and $962, and return flights often range between $456 and $1785. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from MOB to SEA is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter MOB to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Mobile Regional (MOB) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $915 with a layover in Charlotte-Douglas Intl. (CLT). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is active in May and July, allowing you to make the most of your time in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
For flights from Mobile, AL (MOB) to Seattle, WA (SEA), the most popular departure times are from 9am to noon. This time window accounts for around 27% of total traffic. Many major carriers, including American Airlines and United Airlines, operate flights during this window. This timing is convenient for travelers looking to arrive in Seattle by afternoon.
How long does it take to fly from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying from MOB to SEA with a connection usually takes about 9 hours 30 minutes, traveling roughly 2,138 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
First class seats are offered on the MOB to SEA route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Mobile Regional (MOB)?
If you're planning to travel to Seattle from Mobile Regional (MOB), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Mobile, AL (MOB-Mobile Regional) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Mobile Regional
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$350
Distance
2137 mi

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 August. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $374 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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