Which airlines fly to Seattle?

Aer Lingus, British Airways and Icelandair are the top three most popular airlines that fly to Seattle from Doncaster according to our data. Aer Lingus is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 14 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport are updated daily.

How old do you have to be to fly from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£1,411 Cheap Flights from Doncaster to Seattle in 2025

1 adult

0 bags

'This year, momondo is the #1 place for airfares on the internet.'

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Doncaster to Seattle

Round-tripOne-way

Cheap return flights

These are some of the best return flight deals from Doncaster to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Doncaster to Seattle.

Cheap last-minute flights

Planning a quick getaway from Doncaster to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Doncaster to Seattle

Find recent return train or bus tickets from Doncaster to Seattle.

All return flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.

DSA-SEA

4659 mimulti-stop

SEA-DSA

4659 mimulti-stop

Multiple Airlines

Find Deal

DSA-SEA

4659 mimulti-stop

Multiple Airlines

Find Deal

How to get the cheapest flight ticket from Doncaster to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Seattle?

According to our data, Monday is the cheapest day to fly to Seattle from Doncaster. The lowest ticket price found for a Monday departure recently was £0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Saturday is £1,411.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Doncaster to Seattle at midday for as low as £0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive, with an average ticket price of £1,411.

When to book flights from Doncaster to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Doncaster to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Doncaster to Seattle (DSA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Doncaster to Seattle

Direct flights	None

There are no direct flights from Doncaster to Seattle. There are no popular flight routes from Doncaster to Seattle.

Search flight deals

How far is Doncaster Sheffield to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 4645.3 mi away from Doncaster Sheffield.
When did momondo last update prices for flights from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport are updated daily.
How old do you have to be to fly from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Doncaster Sheffield Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Doncaster to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Doncaster to Seattle for you.

Can I find flights from Doncaster to Seattle with flexible booking policies on momondo?

Flights from Doncaster to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Doncaster to Seattle?

Once you have performed a search for Doncaster to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Doncaster to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Doncaster to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.