Cheap Flights to St. Mary's County from ￥10,070

View ￥10,070 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines to St. Mary's County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Alaska Airlines

    Alaska Airlines

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How much is the cheapest flight to St. Mary's County?

Prices were available within the past 7 days and start at ￥10,070 for one-way flights and ￥20,110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Feb 8 - Fri, Feb 13
JFK
New York
DCA
Washington
￥20,110 Roundtrip, found 5 days ago
￥20,110
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Feb 8 from New York to Washington, returning Fri, Feb 13, priced at ￥20,110 found 5 days ago
Delta
Sat, Feb 7 - Mon, Feb 16
JFK
New York
DCA
Washington
￥20,130 Roundtrip, found 2 days ago
￥20,130
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Feb 7 from New York to Washington, returning Mon, Feb 16, priced at ￥20,130 found 2 days ago
American Airlines
Wed, Feb 11 - Mon, Feb 16
LGA
New York
DCA
Washington
￥20,130 Roundtrip, found 2 days ago
￥20,130
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Feb 11 from New York to Washington, returning Mon, Feb 16, priced at ￥20,130 found 2 days ago
Delta
Mon, Feb 2 - Tue, Feb 24
EWR
New York
DCA
Washington
￥27,700 Roundtrip, found 5 days ago
￥27,700
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Feb 2 from New York to Washington, returning Tue, Feb 24, priced at ￥27,700 found 5 days ago
American Airlines
Fri, Feb 27 - Fri, Mar 6
DTW
Detroit
DCA
Washington
￥33,070 Roundtrip, found 1 day ago
￥33,070
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Feb 27 from Detroit to Washington, returning Fri, Mar 6, priced at ￥33,070 found 1 day ago
Delta
Sat, Feb 14 - Sat, Feb 21
LAX
Los Angeles
DCA
Washington
￥37,220 Roundtrip, found 3 days ago
￥37,220
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Feb 14 from Los Angeles to Washington, returning Sat, Feb 21, priced at ￥37,220 found 3 days ago
Hawaiian Airlines
Thu, Feb 12 - Mon, Feb 23
LAX
Los Angeles
DCA
Washington
￥40,340 Roundtrip, found 4 days ago
￥40,340
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, Feb 12 from Los Angeles to Washington, returning Mon, Feb 23, priced at ￥40,340 found 4 days ago
Alaska Airlines
Wed, Mar 4 - Sat, Mar 21
LAX
Los Angeles
DCA
Washington
￥43,440 Roundtrip, found 4 days ago
￥43,440
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Mar 4 from Los Angeles to Washington, returning Sat, Mar 21, priced at ￥43,440 found 4 days ago
Alaska Airlines
Thu, Feb 19 - Wed, Feb 25
LAS
Las Vegas
DCA
Washington
￥46,520 Roundtrip, found 6 days ago
￥46,520
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Feb 19 from Las Vegas to Washington, returning Wed, Feb 25, priced at ￥46,520 found 6 days ago
Air Canada
Tue, Mar 3 - Tue, Mar 10
LHR
London
DCA
Washington
￥93,720 Roundtrip, found 2 days ago
￥93,720
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Mar 3 from London to Washington, returning Tue, Mar 10, priced at ￥93,720 found 2 days ago

2025 年 5 月 13 日、新規開設*

ハワイアン航空はこのたび、東京の成田国際空港からシアトルへの直行便を新たに開設し、毎日運航することを発表しました。

豊かな緑に包まれたその景観から「エメラルド シティ」と呼ばれるシアトルは、美しい自然と現代的な快適さをともに楽しみたい人の旅行先として人気の都市です。

シアトルを象徴するタワー、スペース ニードルからの素晴らしい眺めを堪能し、パイク プレイス マーケットの知られざる魅力や誰もが知る見どころを探訪して、ケリー パークで一息ついたら、夕暮れ時の街並みを眺めましょう。ピュージェット湾でのホエールウォッチングもおすすめです。

シアトルの空港は米国国内線のハブ空港でもあるため、米国各地への旅もさらにスムーズになります。

*政府の承認が必要となります。

Frequently asked questions

How do I find cheap flights to St. Marys County that have flexible change policies?
It's as easy as can be with Expedia. Firstly, type in your travel details and click the "Search" button. Step 2? Check the "No change fee" box below the "Flexible change policies" filter on the top left of your screen. Step 3. Reserve your cheap and flexible airfare to St. Marys County.
Which airlines fly to St. Marys County?
A variety of airlines fly to destinations in or near St. Marys County. Your next big adventure is a few clicks away with these popular carriers:

  • American Airlines - 7,501 flights to or near St. Marys County each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 216 flights to Washington Dulles Intl. Airport (IAD) per month.
  • United Airlines - 5,939 flights to or near St. Marys County each month, including 5,146 flights to Washington Dulles Intl. Airport (IAD) and 793 flights to Ronald Reagan Washington National Airport (DCA) per month.
  • Delta Air Lines - 2,036 flights to or near St. Marys County each month, including 1,516 flights to Ronald Reagan Washington National Airport (DCA) and 520 flights to Washington Dulles Intl. Airport (IAD) per month.

How can I find cheap tickets to St. Marys County?
You'll always score an epic deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then click on the flexible dates link above to see the cheapest prices for nearby days. ￥20,110 was the lowest price for a flight to St. Marys County in the last seven days.
How much is a flight to St. Marys County?
If you were flying one way from New York (LGA), you could've picked up a low-cost fare for ￥10,070 in the last seven days. Round-trip flights to St. Marys County ranged from ￥20,110 to ￥138,040 during this same period.
What are the most popular airports to fly into in St. Marys County?
Pack your suitcase and touch down at one of these leading St. Marys County airports:

  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,533 flights per month.

How much is a plane ticket to St. Marys County?
In the last seven days, fares to St. Marys County fluctuated from ￥20,110 to ￥138,040.
What is the best time to go to St. Marys County?
A nice time to visit St. Marys County, along with the exciting city of California, is over the lively months of May, July and September. Summer here begins June 20, and you can expect temperatures of between 70ºF and 80ºF if you visit then. This warmer weather is perfect for wandering around this city's attractions.
What months are the cheapest to book a flight to St. Marys County?
To grab an awesome deal to St. Marys County, try to book sometime in February when airfares are at their lowest. When's the most expensive time? In the United States, it's the month of December.

Trending flights to St. Mary's County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Feb 11 - Wed, Feb 18
NRT
Tokyo
DCA
Washington
￥138,040 Roundtrip, found 2 days ago
￥138,040
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Feb 11 from Tokyo to Washington, returning Wed, Feb 18, priced at ￥138,040 found 2 days ago
*Available to Expedia members.