App
Customer Support
GBP
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
Sidney
>
Washington D.C. to Sidney flight
>
Washington D.C. to Sidney-Richland Municipal Airport flight
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from Washington D.C. to Sidney-Richland Municipal Airport

  • One way
  • Round-trip
      • DCA07:52
        10h 56m
        2 stops
        SDY16:48
        Washington D.C. - Sidney|Fri, Jan 10|American Airlines
        £354£603
        41% OFF
        41% OFF
        £603£354

        Choose American Airlines flights from Washington D.C. to Sidney. The one-way connecting flight with American Airlines departs from Ronald Reagan Washington National Airport on Fri, Jan 10, arriving at Sidney-Richland Municipal Airport. One-way Prices start from £354 including taxes and charges.

      • DCA07:00
        11h 48m
        2 stops
        SDY16:48
        Washington D.C. - Sidney|Fri, Jan 10|Frontier Airlines
        £358£603
        41% OFF
        41% OFF
        £603£358

        Choose Frontier Airlines flights from Washington D.C. to Sidney. The one-way connecting flight with Frontier Airlines departs from Ronald Reagan Washington National Airport on Fri, Jan 10, arriving at Sidney-Richland Municipal Airport. One-way Prices start from £358 including taxes and charges.

      • IAD08:33
        10h 15m
        2 stops
        SDY16:48
        Washington D.C. - Sidney|Fri, Jan 10|United Airlines
        £360£603
        40% OFF
        40% OFF
        £603£360

        Choose United Airlines flights from Washington D.C. to Sidney. The one-way connecting flight with United Airlines departs from Dulles International Airport on Fri, Jan 10, arriving at Sidney-Richland Municipal Airport. One-way Prices start from £360 including taxes and charges.

      • DCA15:56
        19h 2m
        2 stops
        SDY08:58
        Washington D.C. - Sidney|Fri, Jan 10|Delta Air Lines
        £364
        £364

        Choose Delta Air Lines flights from Washington D.C. to Sidney. The one-way connecting flight with Delta Air Lines departs from Ronald Reagan Washington National Airport on Fri, Jan 10, arriving at Sidney-Richland Municipal Airport. One-way Prices start from £364 including taxes and charges.

      • IAD18:57
        23h 51m
        2 stops
        SDY16:48
        Washington D.C. - Sidney|Fri, Jan 10|Alaska Airlines
        £561
        £561

        Choose Alaska Airlines flights from Washington D.C. to Sidney. The one-way connecting flight with Alaska Airlines departs from Dulles International Airport on Fri, Jan 10, arriving at Sidney-Richland Municipal Airport. One-way Prices start from £561 including taxes and charges.

      • WAS01:00 pm
        3h 5m
        Nonstop
        SDY02:00 pm
        Washington D.C. - Sidney|Fri, Jan 17|American Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Washington D.C. to Sidney-Richland Municipal Airport

American Airlines
From £354
Frontier Airlines
From £358
United Airlines
From £360
Delta Air Lines
From £364
Alaska Airlines
From £505

Find more flights and airlines

Airports in Washington D.C.

  • 3.44 km from central Washington D.C.CheapestClosest
    Ronald Reagan Washington National Airport
    Tickets From
    £354
  • 36.68 km from central Washington D.C.
    Dulles International Airport
    Tickets From
    £360
Flight Schedule from Washington D.C. to Sidney-Richland Municipal Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. AA2617

    American Airlines

    06:18

    IAD

    3.6h

    08:52

    DFW

    SMTWTFS
    Search

  2. AA4095

    American Airlines

    11:27

    DFW

    3.1h

    13:33

    BIL

    SMTWTFS

  3. 9K1789

    Cape Air

    15:00

    BIL

    1.8h

    16:48

    SDY

    SMTWTFS

  4. AS351

    Alaska Airlines

    07:00

    IAD

    5.9h

    09:52

    SEA

    SMTWTFS
    Search

  5. AS2360

    Alaska Airlines

    09:50

    SEA

    1.9h

    12:42

    BIL

    SMTWTFS

  6. 9K1789

    Cape Air

    15:00

    BIL

    1.8h

    16:48

    SDY

    SMTWTFS

  7. F9685

    Frontier Airlines

    07:00

    DCA

    4.2h

    09:09

    DEN

    SMTWTFS
    Search

  8. UA703

    United Airlines

    11:45

    DEN

    1.6h

    13:18

    BIL

    SMTWTFS

  9. 9K1789

    Cape Air

    15:00

    BIL

    1.8h

    16:48

    SDY

    SMTWTFS

  10. AA1428

    American Airlines

    07:52

    DCA

    3.6h

    10:30

    DFW

    SMTWTFS
    Search

  11. AA4095

    American Airlines

    11:27

    DFW

    3.1h

    13:33

    BIL

    SMTWTFS

  12. 9K1789

    Cape Air

    15:00

    BIL

    1.8h

    16:48

    SDY

    SMTWTFS

  13. UA1017

    United Airlines

    08:33

    IAD

    4.0h

    10:35

    DEN

    SMTWTFS
    Search

  14. UA703

    United Airlines

    11:45

    DEN

    1.6h

    13:18

    BIL

    SMTWTFS

  15. 9K1789

    Cape Air

    15:00

    BIL

    1.8h

    16:48

    SDY

    SMTWTFS

  16. DL3680

    Delta Air Lines

    15:05

    IAD

    2.9h

    16:57

    MSP

    SMTWTFS
    Search

  17. DL2941

    Delta Air Lines

    22:00

    MSP

    2.2h

    23:11

    BIL

    SMTWTFS

  18. 9K1775

    Cape Air

    07:15

    BIL

    1.7h

    08:58

    SDY

    SMTWTFS

  19. DL1007

    Delta Air Lines

    15:35

    DCA

    2.9h

    17:29

    MSP

    SMTWT-S
    Search

  20. DL2941

    Delta Air Lines

    22:00

    MSP

    2.2h

    23:11

    BIL

    SMTWTFS

  21. 9K1775

    Cape Air

    07:15

    BIL

    1.7h

    08:58

    SDY

    SMTWTFS

  22. UA2104

    United Airlines

    16:13

    DCA

    4.2h

    18:25

    DEN

    SMTWTFS
    Search

  23. UA1884

    United Airlines

    19:40

    DEN

    1.6h

    21:14

    BIL

    SMTWTFS

  24. 9K1775

    Cape Air

    07:15

    BIL

    1.7h

    08:58

    SDY

    SMTWTFS

  25. DL820

    Delta Air Lines

    17:10

    DCA

    5.1h

    20:15

    SLC

    SMTWTFS
    Search

  26. DL1724

    Delta Air Lines

    22:55

    SLC

    1.4h

    00:16

    BIL

    SMTWTFS

  27. 9K1781

    Cape Air

    12:05

    BIL

    1.8h

    13:54

    SDY

    SMTWTFS

  28. DL2963

    Delta Air Lines

    19:14

    DCA

    2.8h

    21:00

    MSP

    SMTWT-S
    Search

  29. DL2941

    Delta Air Lines

    22:00

    MSP

    2.2h

    23:11

    BIL

    SMTWTFS

  30. 9K1775

    Cape Air

    07:15

    BIL

    1.7h

    08:58

    SDY

    SMTWTFS
Find more flights and airlines

Flight Info of Flights from Washington D.C. to Sidney-Richland Municipal Airport

Off-season travel monthDecember
Peak season for travelOctober

FAQs for Washington D.C. to Sidney-Richland Municipal Airport Flights

  • When are flight tickets from Washington D.C. (WAS) to Sidney (SDY) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Sidney based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Washington D.C. (WAS) to Sidney (SDY) cost?

    According to Trip.com's data, the lowest price is around £537.

  • How many airports in Sidney (SDY)?

    There are 1 airport(s) in Sidney (SDY): Sidney-Richland Municipal Airport.

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.