Cheap flights from Rhode Island to Seattle from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rhode Island to Seattle departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:57 pm - 10:25 pm
BOS
-
SEA
6h 28mnonstop
Delta Logo
2:00 pm - 5:40 am
SEA
-
BOS
12h 40m
1 stop
$271Delta
Sat, Feb 28 - Wed, Mar 4
Delta Logo
7:15 am - 10:45 am
BOS
-
SEA
6h 30mnonstop
Delta Logo
3:45 pm - 11:59 pm
SEA
-
BOS
5h 14mnonstop
$272Delta
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
2:31 pm - 9:57 pm
BOS
-
SEA
10h 26m
1 stop
American Airlines Logo
6:00 am - 6:10 pm
SEA
-
BOS
9h 10m
1 stop
$277American Airlines
Wed, Mar 4 - Sat, Mar 7
Delta Logo
4:50 pm - 10:05 pm
PVD
-
SEA
8h 15m
1 stop
Delta Logo
6:00 am - 3:59 pm
SEA
-
PVD
6h 59m
1 stop
$277Delta
Tue, Mar 3 - Tue, Mar 10
Delta Logo
7:30 am - 8:30 pm
BOS
-
SEA
16h 00m
1 stop
Delta Logo
10:25 pm - 6:49 am
SEA
-
BOS
5h 24mnonstop
$281Delta
Fri, Feb 27 - Tue, Mar 10
American Airlines Logo
3:23 pm - 11:04 pm
PVD
-
SEA
10h 41m
2 stops
American Airlines Logo
10:08 pm - 9:11 am
SEA
-
PVD
8h 03m
1 stop
$282American Airlines
Tue, Mar 3 - Tue, Mar 10
Alaska Airlines Logo
5:56 pm - 9:26 am
BOS
-
SEA
18h 30m
1 stop
Alaska Airlines Logo
10:45 pm - 7:12 am
SEA
-
BOS
5h 27mnonstop
$282Alaska Airlines
Sat, Apr 25 - Tue, Apr 28
United Airlines Logo
3:09 pm - 9:12 pm
BOS
-
SEA
9h 03m
1 stop
United Airlines Logo
8:00 am - 7:08 pm
SEA
-
BOS
8h 08m
1 stop
$284United Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
4:15 pm - 11:51 pm
BOS
-
SEA
10h 36m
1 stop
United Airlines Logo
8:00 am - 7:08 pm
SEA
-
BOS
8h 08m
1 stop
$287United Airlines
Sat, Feb 28 - Sat, Mar 7
Alaska Airlines Logo
9:00 am - 12:25 pm
BOS
-
SEA
6h 25mnonstop
Alaska Airlines Logo
12:35 am - 11:38 am
SEA
-
BOS
8h 03m
1 stop
$288Alaska Airlines
Tue, Mar 24 - Mon, Mar 30

Delta flights from Rhode Island to Seattle

Our best Delta deals on Rhode Island to Seattle flight tickets
Delta
Feb 28
BOS6:57 pmBoston Logan Intl
6h 28m
SEA10:25 pmSeattle/Tacoma Intl
Mar 4
SEA2:00 pmSeattle/Tacoma Intl
12h 40m
1 stop
BOS5:40 amBoston Logan Intl
$271
Delta
Mar 6
BOS7:15 amBoston Logan Intl
6h 30m
SEA10:45 amSeattle/Tacoma Intl
Mar 10
SEA3:45 pmSeattle/Tacoma Intl
5h 14m
BOS11:59 pmBoston Logan Intl
$272
Delta
Mar 3
PVD4:50 pmProvidence-TFGreen
8h 15m
1 stop
SEA10:05 pmSeattle/Tacoma Intl
Mar 10
SEA6:00 amSeattle/Tacoma Intl
6h 59m
1 stop
PVD3:59 pmProvidence-TFGreen
$277

American Airlines flights from Rhode Island to Seattle

Our best American Airlines deals on Rhode Island to Seattle flight tickets
American Airlines
Mar 4
BOS2:31 pmBoston Logan Intl
10h 26m
1 stop
SEA9:57 pmSeattle/Tacoma Intl
Mar 7
SEA6:00 amSeattle/Tacoma Intl
9h 10m
1 stop
BOS6:10 pmBoston Logan Intl
$277
American Airlines
Mar 3
PVD5:42 pmProvidence-TFGreen
8h 22m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
Mar 10
SEA10:08 pmSeattle/Tacoma Intl
11h 14m
2 stops
PVD12:22 pmProvidence-TFGreen
$282
American Airlines
May 9
BOS3:13 pmBoston Logan Intl
12h 17m
1 stop
SEA12:30 amSeattle/Tacoma Intl
May 24
SEA10:35 pmSeattle/Tacoma Intl
7h 06m
1 stop
BOS8:41 amBoston Logan Intl
$285

momondo Fare Finder

 
Customize your flight search to find flights from Rhode Island 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, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Rhode Island to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 2/28

6:57 pm-10:25 pm

Nonstop6h 28m

Seattle/Tacoma Intl

Wed 3/4

2:00 pm-5:40 am

1 stop12h 40m

$271

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 3/6

7:15 am-10:45 am

Nonstop6h 30m

Seattle/Tacoma Intl

Tue 3/10

3:45 pm-11:59 pm

Nonstop5h 14m

$272

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 3/4

2:31 pm-9:57 pm

1 stop10h 26m

Seattle/Tacoma Intl

Sat 3/7

6:00 am-6:10 pm

1 stop9h 10m

$277

ProvidenceSeattle

PVD - SEA

PVDSEA

Providence-TFGreen

Tue 3/3

4:50 pm-10:05 pm

1 stop8h 15m

Seattle/Tacoma Intl

Tue 3/10

6:00 am-3:59 pm

1 stop6h 59m

$277

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 2/27

7:30 am-8:30 pm

1 stop16h 00m

Seattle/Tacoma Intl

Tue 3/10

10:25 pm-6:49 am

Nonstop5h 24m

$281

ProvidenceSeattle

PVD - SEA

PVDSEA

Providence-TFGreen

Tue 3/3

3:23 pm-11:04 pm

2 stops10h 41m

Seattle/Tacoma Intl

Tue 3/10

10:08 pm-9:11 am

1 stop8h 03m

$282

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 4/25

5:56 pm-9:26 am

1 stop18h 30m

Seattle/Tacoma Intl

Tue 4/28

10:45 pm-7:12 am

Nonstop5h 27m

$282

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 2/28

3:09 pm-9:12 pm

1 stop9h 03m

Seattle/Tacoma Intl

Sat 3/7

8:00 am-7:08 pm

1 stop8h 08m

$284

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 2/28

4:15 pm-11:51 pm

1 stop10h 36m

Seattle/Tacoma Intl

Sat 3/7

8:00 am-7:08 pm

1 stop8h 08m

$287

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 3/24

9:00 am-12:25 pm

Nonstop6h 25m

Seattle/Tacoma Intl

Mon 3/30

12:35 am-11:38 am

1 stop8h 03m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Rhode Island 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

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Rhode Island to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $279. If you don’t want to visit Seattle in March, then you should wait until May to fly from Rhode Island, when ticket prices are also cheap, with an average price of $317.

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

On average, the least expensive day to fly to Seattle from Rhode Island is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $403. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Rhode Island because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $501.

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

Flying to Seattle from Rhode Island in the evening is the least expensive time of day to depart. momondo users have found prices as low as $332 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $463. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Rhode Island when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Rhode Island for as low as $318 on momondo.

Cheap Rhode Island to Seattle flight deals and tips

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

Fastest flight time

6h 07m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Rhode Island to Seattle takes 6h 07m
Direct flights go from Rhode Island to Seattle every day.
There is 1 airport in Seattle. From Rhode Island there are direct flights to Seattle/Tacoma Intl (SEA).
  • When did momondo last update prices for flights from Rhode Island to Seattle/Tacoma Intl Airport?

    Prices for flights from Rhode Island to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Rhode Island to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Rhode Island to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rhode Island to Seattle/Tacoma Intl Airport.

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Rhode Island to Seattle

Compare and see reviews for airlines that fly from Rhode Island to Seattle with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $284Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
DeltaPriceFrom $294Free CancellationRating
7.9
8,176 reviews
Search Delta flights
United AirlinesPriceFrom $312Free CancellationRating
7.4
9,262 reviews
Search United Airlines flights
American AirlinesPriceFrom $316Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rhode Island to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Seattle from Rhode Island on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rhode Island to Seattle?

Once all potential Rhode Island to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Rhode Island and alert you when they change.

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1 adult
Wed 3/11
Wed 3/18

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