$563 Cheap Flights from Seattle (SEA) to Exeter (EXT)

View $563 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Exeter (EXT-Exeter Intl.)

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Cheap Flights from Seattle to Exeter (SEA-EXT)

Prices were available within the past 7 days and start at $563 for one-way flights and $969 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$969 Roundtrip, found 2 days ago
$969
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $969 found 2 days ago
Aer Lingus
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$977 Roundtrip, found 2 days ago
$977
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $977 found 2 days ago
Aer Lingus
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$980 Roundtrip, found 2 days ago
$980
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $980 found 2 days ago
Aer Lingus
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$985 Roundtrip, found 2 days ago
$985
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $985 found 2 days ago
Alaska Airlines
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$987 Roundtrip, found 2 days ago
$987
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $987 found 2 days ago
Virgin Atlantic
Sun, Sep 7 - Mon, Sep 29
SEA
Seattle
EXT
Exeter
$988 Roundtrip, found 2 days ago
$988
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sun, Sep 7 from Seattle to Exeter, returning Mon, Sep 29, priced at $988 found 2 days ago
Aer Lingus
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$989 Roundtrip, found 2 days ago
$989
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $989 found 2 days ago
Aer Lingus
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$990 Roundtrip, found 2 days ago
$990
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $990 found 2 days ago
KLM
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$1,040 Roundtrip, found 2 days ago
$1,040
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $1,040 found 2 days ago
Delta
Mon, Sep 8 - Thu, Oct 2
SEA
Seattle
EXT
Exeter
$1,057 Roundtrip, found 2 days ago
$1,057
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Sep 8 from Seattle to Exeter, returning Thu, Oct 2, priced at $1,057 found 2 days ago
Flights from Seattle (SEA) to Exeter (EXT)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Exeter Intl.
Roundtrip price
$969
Distance
4745 mi

Seattle to Exeter Flights

The cheapest times to fly from Seattle to Exeter

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

 

The best time to book a flight from Seattle to Exeter

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

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 Exeter in 2025. You can also book with separate airlines for your outbound and return journeys, from $563 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 Exeter 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 Exeter 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT) cost?
Lock in a cheap one-way flight from $563 or cheap return flight from $969 from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT)?
Flying in September may help you find better deals, as it's the cheapest month for flights between SEA and EXT. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SEA to EXT flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT)?
There aren't any daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SEA to EXT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, such as the time of year and carrier.*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 Exeter Intl. Airport (EXT)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour 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 Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT) last-minute?
Holding off until just before your trip to book a ticket from SEA to EXT often results in higher prices. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a SEA to EXT flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to EXT flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Exeter Intl. Airport (EXT)?
Typically, it's possible to cancel or reschedule your SEA to EXT flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.