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Cheap flights from Sheffield to Seattle from £239

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
MAN — SEA
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sheffield to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Sheffield to Seattle
Explore the most affordable flight options available from Sheffield to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Mon 27/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£434
Thu 9/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Tue 28/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£434
Wed 15/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Mon 27/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£444
Thu 9/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£453
Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Thu 23/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£457
Thu 9/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Wed 29/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£458
Thu 30/406:00
MAN
-
SEA
2 stops22h 40m
Multiple Airlines
Mon 4/515:40
SEA
-
MAN
2 stops22h 40m
Multiple Airlines
Deal found 14/3£458
Wed 15/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sun 26/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£463
Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Wed 29/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£468
Thu 9/413:05
MAN
-
SEA
1 stop15h 35m
Icelandair
Sat 25/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£477
Wed 15/413:05
MAN
-
SEA
1 stop12h 50m
Icelandair
Sat 25/415:40
SEA
-
MAN
1 stop12h 00m
Icelandair
Deal found 13/3£486

Find flight deals from Sheffield to Seattle

Keep the following information in mind while searching for Sheffield to Seattle flight deals. Data was last updated 17 March 2026.

Round-trip from

£434

One-way from

£239

Popular in

August

Cheapest in

October

Average price

£627
Icelandair
  • Icelandair
  • 9/4-27/4
  • 2 total stops
  • 24h 50m total
  • Sheffield to Seattle
Search Deals
27/4
  • 27/4
  • 2 total stops
  • 46h 30m total
  • Sheffield to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sheffield to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 March 2026.
Use the filters below to find and compare flights from Sheffield to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 22/4

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Sun 26/4

15:40-11:40

1 stop12h 00m

£597

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 22/4

19:10-23:51

2 stops36h 41m

Seattle/Tacoma Intl

Sun 26/4

13:45-18:30

2 stops20h 45m

£691

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 22/4

10:35-16:59

1 stop14h 24m

Seattle/Tacoma Intl

Sun 26/4

23:59-10:40

2 stops26h 41m

£699

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Mon 27/4

06:00-12:20

1 stop14h 20m

Seattle/Tacoma Intl

Mon 4/5

07:00-09:50

2 stops18h 50m

£703

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 3/5

13:05-20:40

1 stop15h 35m

Seattle/Tacoma Intl

Tue 19/5

15:40-11:40

1 stop12h 00m

£703

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 5/5

05:55-12:20

1 stop14h 25m

Seattle/Tacoma Intl

Wed 20/5

14:10-17:35

1 stop19h 25m

£708
Cheapest one-way

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 7/4

19:45-14:19

2 stops50h 34m

£293
Fastest single journey

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 13/5

07:05-11:35

1 stop12h 30m

£445

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 10/5

20:00-11:35

1 stop23h 35m

£445

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Wed 27/5

13:05-20:40

1 stop15h 35m

£470

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Sheffield to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Sheffield with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sheffield to Seattle

How far ahead should I book a flight from Sheffield to Seattle?

Use this chart to determine the optimal time to book a return flight from Sheffield to Seattle. Price data was last updated on 13 March 2026.

The best time to book flights from Sheffield to Seattle is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sheffield to Seattle?

Currently, April is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £366). Flying from Sheffield to Seattle in July is currently the most expensive (average of £589). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sheffield to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 17 March 2026.
Get a feel of what it's like to fly with KLM,Virgin Atlantic, andAer Lingus from Sheffield to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,472 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,472 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
682 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Aer Lingus
7.2
Good
1,477 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.1
Good
622 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,797 reviews
KLM
7.8
Good
1,472 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Sheffield to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Sheffield?

    If you book a flight to Seattle from Sheffield, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Sheffield to Seattle/Tacoma Intl per day from 11 different airlines.

  • How long is the flight from Sheffield to Seattle?

    Airlines like Icelandair, Scandinavian Airlines, and United Airlines fly from Sheffield to Seattle in about 12h 50m. The time it takes to get you to your destination can typically vary by up to 23h 51m. Airlines will cover a distance of 4633 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Sheffield to Seattle one-way?

    One-way options have recently been found by users for as low as £395 on Icelandair. Other airlines that offer cheap prices include British Airways from £411 and Aer Lingus from £477 one-way.

  • Can I find deals for flights from Sheffield to Seattle that include hotel bookings?

    Yes. In addition to deals on Sheffield to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sheffield to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sheffield to Seattle.

  • Can I find deals for business class flights from Sheffield to Seattle?

    Yes. Cheapflights offers flight deals from Sheffield to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sheffield to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Sheffield to Seattle (average of £366). Flying from Sheffield to Seattle in July is currently the most expensive (average of £589). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Sheffield to Seattle

Discover the top 10 airlines that operate flights from Sheffield to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£366Average£525FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£395Average£613FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£464Average£671FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£479Average£550FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£494Average£640FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£520Average£615FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£521Average£667FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£550Average£802FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£552Average£713FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£559Average£649FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sheffield to Seattle?

Deals for Sheffield to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Sheffield to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sheffield to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sheffield to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Sheffield shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sheffield to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Sheffield today and book when prices fit your budget.

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