$718 Cheap Flights from Seattle (SEA) to Mianyang (MIG)

View $718 flight on Mon, Mar 16, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Mianyang (MIG)

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Cheap Flights from Seattle to Mianyang (SEA-MIG)

Prices were available within the past 7 days and start at $718 for one-way flights and $924 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Thu, Apr 16 - Tue, May 5
SEA
Seattle
MIG
Mianyang
$924 Roundtrip, found 2 days ago
$924
Roundtrip
found 2 days ago
Select Air China flight, departing Thu, Apr 16 from Seattle to Mianyang, returning Tue, May 5, priced at $924 found 2 days ago
Air China
Sun, Mar 15 - Tue, Mar 31
SEA
Seattle
MIG
Mianyang
$973 Roundtrip, found 3 days ago
$973
Roundtrip
found 3 days ago
Select Air China flight, departing Sun, Mar 15 from Seattle to Mianyang, returning Tue, Mar 31, priced at $973 found 3 days ago
Air China
Mon, Apr 13 - Tue, Apr 28
SEA
Seattle
MIG
Mianyang
$999 Roundtrip, found 2 days ago
$999
Roundtrip
found 2 days ago
Select Air China flight, departing Mon, Apr 13 from Seattle to Mianyang, returning Tue, Apr 28, priced at $999 found 2 days ago
Air China
Mon, Nov 24 - Sat, Dec 13
SEA
Seattle
MIG
Mianyang
$1,003 Roundtrip, found 3 days ago
$1,003
Roundtrip
found 3 days ago
Select Air China flight, departing Mon, Nov 24 from Seattle to Mianyang, returning Sat, Dec 13, priced at $1,003 found 3 days ago
Air China
Sun, Apr 19 - Fri, May 8
SEA
Seattle
MIG
Mianyang
$1,024 Roundtrip, found 2 days ago
$1,024
Roundtrip
found 2 days ago
Select Air China flight, departing Sun, Apr 19 from Seattle to Mianyang, returning Fri, May 8, priced at $1,024 found 2 days ago
Air China
Sun, Apr 12 - Tue, Apr 28
SEA
Seattle
MIG
Mianyang
$1,049 Roundtrip, found 2 days ago
$1,049
Roundtrip
found 2 days ago
Select Air China flight, departing Sun, Apr 12 from Seattle to Mianyang, returning Tue, Apr 28, priced at $1,049 found 2 days ago
Air China
Sun, Mar 15 - Sat, Mar 28
SEA
Seattle
MIG
Mianyang
$1,053 Roundtrip, found 3 days ago
$1,053
Roundtrip
found 3 days ago
Select Air China flight, departing Sun, Mar 15 from Seattle to Mianyang, returning Sat, Mar 28, priced at $1,053 found 3 days ago
United
Wed, Apr 15 - Tue, May 5
SEA
Seattle
MIG
Mianyang
$1,080 Roundtrip, found 2 days ago
$1,080
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 15 from Seattle to Mianyang, returning Tue, May 5, priced at $1,080 found 2 days ago
Air Canada
Thu, Nov 27 - Tue, Dec 9
SEA
Seattle
MIG
Mianyang
$1,122 Roundtrip, found 3 days ago
$1,122
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, Nov 27 from Seattle to Mianyang, returning Tue, Dec 9, priced at $1,122 found 3 days ago
China Eastern Airlines
Sun, Mar 15 - Mon, Mar 23
SEA
Seattle
MIG
Mianyang
$1,163 Roundtrip, found 2 days ago
$1,163
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Sun, Mar 15 from Seattle to Mianyang, returning Mon, Mar 23, priced at $1,163 found 2 days ago

Alternative airports near Mianyang

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

Select flight to Mianyang MIG. Cheapest and Closest option available. Average driving time to city center is 52 minutes. Flights from $1,594
MIG
Mianyang
CheapestClosest
Average driving time to city center52 min
Flights from $1,594

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG) cost?
Lock in a cheap one-way flight from $718 or cheap return flight from $924 from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG)?
Traveling in April is a great way to save, as it's the cheapest month for flights between SEA and MIG. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG)?
To find the cheapest airline flying from SEA to MIG, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG)?
There aren't any daily nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SEA to MIG?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG) last-minute?
Booking your plane ticket from SEA to MIG shortly before your trip is usually more expensive. However, if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a SEA to MIG flight and hotel package?
You'll typically save money by booking a SEA to MIG flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Mianyang Airport (MIG)?
It's usually possible to reschedule or cancel your SEA to MIG flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Mianyang
Roundtrip price
$923
Distance
6254 mi

Book with confidence

Seattle to Mianyang Flights

The cheapest times to fly from Seattle to Mianyang

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 Seattle to Mianyang are during the month of April. You can find some of the cheapest flights from Seattle to Mianyang with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Mianyang

Sunday is one of the best days to book for cheap flights from Seattle to Mianyang: 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 Seattle to Mianyang

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 Seattle to Mianyang in 2025. You can also book with separate airlines for your outbound and return journeys, from $718 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 Seattle to Mianyang 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 Seattle to Mianyang 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.

 

Seattle to Mianyang Flights

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*Available to One Key members.