STT - WAS

$153 Find Cheap Flights from Saint Thomas Island to Washington, D.C. - Compare and Save

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Everything you should know

Cheapest round-trip
$289
Typical prices: $323-$702
JetBlue
Mon 12/17Mon 1/1
STT - DCA • 1 stop
Cheapest non-stop
$301
Typical prices: $352-$618
United Airlines
Thu 12/20Sun 12/30
STT - IAD • Non-stop
Nonstop flights
You can fly direct with United Airlines. Average duration is 4h 23m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 11% average savings
Most popular
Insights
Insights
When to travel
Cheapest • 44% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $226 (round-trip)
Shortest trip • 6h 21m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Saint Thomas Island to Washington, D.C. (STT-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Saint Thomas Island to Washington, D.C.

Thu, Dec 17 - Fri, Jan 1
JetBlue Logo
3:10 pm - 9:58 pmSTT  Saint Thomas Island Cyril E King-DCA Washington, D.C. Reagan-National
7h 48m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
8:00 am - 2:20 pmDCA  Washington, D.C. Reagan-National-STT Saint Thomas Island Cyril E King
5h 20m1 stop San Juan Luis Munoz Marin Intl
$289JetBlue
Sun, Dec 20 - Wed, Dec 30
United Airlines Logo
5:25 pm - 8:48 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
4h 23mnonstop
United Airlines Logo
8:56 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
4h 00mnonstop
$301United Airlines
Sun, Dec 20 - Wed, Dec 30
United Airlines Logo
3:35 pm - 12:41 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
10h 06m1 stop Houston George Bush Intcntl
United Airlines Logo
8:56 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
4h 00mnonstop
$306United Airlines
Sun, Dec 20 - Sun, Jan 3
American Airlines Logo
1:09 pm - 11:21 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
11h 12m1 stop Miami
American Airlines Logo
6:01 am - 5:34 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
10h 33m1 stop Miami
$310American Airlines
Sun, Dec 20 - Wed, Dec 30
American Airlines Logo
5:12 pm - 11:21 pmSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
7h 09m1 stop Miami
American Airlines Logo
6:01 am - 2:37 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
7h 36m1 stop Miami
$315American Airlines
Sun, Nov 22 - Sun, Nov 29
United Airlines Logo
3:00 pm - 12:30 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
10h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
8:56 am - 1:56 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
4h 00mnonstop
$327United Airlines
Thu, Jan 7 - Mon, Jan 11
Delta Logo
4:03 pm - 10:42 pmSTT  Saint Thomas Island Cyril E King-DCA Washington, D.C. Reagan-National
7h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 2:53 pmDCA  Washington, D.C. Reagan-National-STT Saint Thomas Island Cyril E King
7h 53m1 stop Atlanta Hartsfield-Jackson
$372Delta
Thu, Jan 7 - Mon, Jan 11
Southwest Logo
2:10 pm - 10:55 pmSTT  Saint Thomas Island Cyril E King-DCA Washington, D.C. Reagan-National
9h 45m1 stop Orlando
Southwest Logo
9:00 pm - 2:55 pmDCA  Washington, D.C. Reagan-National-STT Saint Thomas Island Cyril E King
16h 55m2 stops Chicago Midway Orlando
$428Southwest
Thu, Jan 7 - Mon, Jan 11
Southwest Logo
2:10 pm - 8:55 amSTT  Saint Thomas Island Cyril E King-DCA Washington, D.C. Reagan-National
19h 45m2 stops Orlando Chicago Midway
Southwest Logo
9:00 pm - 2:55 pmDCA  Washington, D.C. Reagan-National-STT Saint Thomas Island Cyril E King
16h 55m2 stops Chicago Midway Orlando
$428Southwest
Tue, Jan 19 - Sun, Jan 31
Delta Logo
4:03 pm - 12:46 amSTT  Saint Thomas Island Cyril E King-IAD Washington, D.C. Dulles Intl
9h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 2:53 pmIAD  Washington, D.C. Dulles Intl-STT Saint Thomas Island Cyril E King
7h 53m1 stop Atlanta Hartsfield-Jackson
$434Delta
Booking Insights

Price, demand and travel trends for Saint Thomas Island to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Saint Thomas Island to Washington, D.C.?

Round-trip flights from Saint Thomas Island to Washington, D.C. typically range from $323 to $702. The lowest price found in the past 5 days was $289, on JetBlue.

What is the cheapest Saint Thomas Island to Washington, D.C. flight route?

Saint Thomas Island (STT) to Washington, D.C. Reagan-National Airport (DCA) is the cheapest Saint Thomas Island to Washington, D.C. route, averaging $392 round-trip. Other Saint Thomas Island to Washington, D.C. routes average $492, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Saint Thomas Island to Washington, D.C.?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Saint Thomas Island to Washington, D.C.. It’s 26% cheaper than the average day, while Sunday is the most expensive, with prices 153% higher.

What’s the cheapest month to fly from Saint Thomas Island to Washington, D.C.?

•January is the cheapest month to fly from Saint Thomas Island to Washington, D.C. at $257 round-trip.
•August ($1,160) and September ($800) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 351% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Expert advice

Expert advice for your flight from Saint Thomas Island to Washington, D.C.

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on STT

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Saint Thomas Island to Washington, D.C. flights

Low season

September

Cheapest flight

$153
Beat the crowds with an average 37% drop in travelers.
The most popular month to fly with an average 45% increase in travelers.
One-way flight from Saint Thomas Island to Washington, D.C. Dulles Intl Airport

When to book flights from Saint Thomas Island to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Saint Thomas Island to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Saint Thomas Island to Washington, D.C. flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Saint Thomas Island to Washington, D.C.?

    These are the earliest and latest flight times available from Saint Thomas Island to Washington, D.C.:

    • Earliest: departs at 1:07 pm and lands at 5:30 pm
    • Latest: departs at 5:25 pm and lands at 9:48 pm.

    The flight takes about 4h 23m.

  • What cabin classes can I book on flights from Saint Thomas Island to Washington, D.C.?

    Two cabin classes are available on flights from Saint Thomas Island to Washington, D.C.:

    • Economy Class
    • First Class

  • How long is a flight from Saint Thomas Island to Washington, D.C.?

    A nonstop flight from Saint Thomas Island to Washington, D.C. takes 4h 23m, covering 1,594 miles.

  • Do I need a passport to fly from Saint Thomas Island to Washington, D.C.?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Saint Thomas Island to Washington, D.C. flight?

    Round-trip flights from Saint Thomas Island to Washington, D.C. range from $323 to $702, with an average of $457 over the past 12 months. Anything below $323 counts as a good deal.

  • How much can I save by taking a layover when flying from Saint Thomas Island to Washington, D.C.?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $226 round-trip via Houston George Bush Intcntl (IAH), compared to $487 for nonstop.

  • What is the standard checked-bag allowance on flights from Saint Thomas Island to Washington, D.C.?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from Saint Thomas Island to Washington, D.C. spread across the day?

    Afternoon is the busiest departure period on Saint Thomas Island to Washington, D.C. flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Saint Thomas Island to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $289 to $1,228. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Saint Thomas Island to Washington, D.C. looking right now?

    One-way fares from Saint Thomas Island to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $186, which is 44% below the typical average for this route.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates averaging $71:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates averaging $70:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Saint Thomas Island to Washington, D.C.?

    Flights from Saint Thomas Island to Washington, D.C. usually depart from Saint Thomas Island Cyril E King (STT) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Saint Thomas Island to Washington, D.C. pass through?

    One-stop flights from Saint Thomas Island to Washington, D.C. most commonly connect through:

    • San Juan Luis Munoz Marin Intl (SJU) - 43% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 22% of one-stop connections
    • Miami (MIA) - 22% of one-stop connections
    • Charlotte Douglas (CLT) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Saint Thomas Island to Washington, D.C.?

    Yes. Flexible dates can save you up to 71% on flights from Saint Thomas Island to Washington, D.C.. Wednesday is the cheapest departure day at $341 round-trip on average, while Sunday is the most expensive at $1,160, a difference of $819.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Saint Thomas Island to Washington, D.C.?

    Only United Airlines operates flights between Saint Thomas Island and Washington, D.C..

  • How much time can I save by choosing a different layover airport from Saint Thomas Island to Washington, D.C.?

    Flying via San Juan Luis Munoz Marin Intl (SJU) gives the shortest average 1-stop total travel time at 6h 21m, compared with 7h 03m via Atlanta Hartsfield-Jackson (ATL) and 7h 21m via Miami (MIA).

  • What is the time difference between Saint Thomas Island and Washington, D.C.?

    Washington, D.C. is 1 hour behind Saint Thomas Island (Eastern Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Saint Thomas Island to Washington, D.C. flights?

    Among airlines operating Saint Thomas Island to Washington, D.C. flights:

    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Saint Thomas Island to Washington, D.C. flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Saint Thomas Island to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $341, about $819 less than Sunday fares (71% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Saint Thomas Island to Washington, D.C. trip for January. Fares historically average $257 round-trip in that month - typically $903 less than the most expensive month, which is August (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Houston George Bush Intcntl Airport (IAH) can be cheaper than flying direct. The cheapest layover option averages $226 round-trip on this route - about $261 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Cambria Hotel Washington D.C. Navy Yard Riverfront

Prefer to fly direct from Saint Thomas Island to Washington, D.C.?

 
Find which airlines fly direct from Saint Thomas Island Cyril E King Airport to Washington, D.C., which days they fly and book direct flights.

Direct departures

Saint Thomas Island Cyril E King to Washington, D.C.

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Washington, D.C. to Saint Thomas Island Cyril E King

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Saint Thomas Island to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental